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documenting action spec

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This commit is contained in:
David Culbreth
2026-02-09 00:30:48 -06:00
parent a74e13fa0b
commit 588b319fec
38 changed files with 3050 additions and 286 deletions
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4
crates/api/src/validation/params.rs
View File

@@ -217,6 +217,8 @@ mod tests {
is_workflow: false,
workflow_def: None,
is_adhoc: false,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
created: chrono::Utc::now(),
updated: chrono::Utc::now(),
};
@@ -249,6 +251,8 @@ mod tests {
is_workflow: false,
workflow_def: None,
is_adhoc: false,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
created: chrono::Utc::now(),
updated: chrono::Utc::now(),
};

1
crates/cli/Cargo.toml
View File

@@ -13,7 +13,6 @@ path = "src/main.rs"
[dependencies]
# Internal dependencies
attune-common = { path = "../common" }
attune-worker = { path = "../worker" }
# Async runtime
tokio = { workspace = true }

2
crates/cli/src/commands/pack.rs
View File

@@ -663,7 +663,7 @@ async fn handle_test(
detailed: bool,
output_format: OutputFormat,
) -> Result<()> {
use attune_worker::{TestConfig, TestExecutor};
use attune_common::test_executor::{TestConfig, TestExecutor};
use std::path::{Path, PathBuf};
// Determine if pack is a path or a pack name

84
crates/common/src/models.rs
View File

@@ -96,7 +96,10 @@ pub mod enums {
&self,
buf: &mut sqlx::postgres::PgArgumentBuffer,
) -> Result<sqlx::encode::IsNull, sqlx::error::BoxDynError> {
Ok(<String as sqlx::Encode<sqlx::Postgres>>::encode(self.to_string(), buf)?)
Ok(<String as sqlx::Encode<sqlx::Postgres>>::encode(
self.to_string(),
buf,
)?)
}
}
@@ -159,7 +162,80 @@ pub mod enums {
&self,
buf: &mut sqlx::postgres::PgArgumentBuffer,
) -> Result<sqlx::encode::IsNull, sqlx::error::BoxDynError> {
Ok(<String as sqlx::Encode<sqlx::Postgres>>::encode(self.to_string(), buf)?)
Ok(<String as sqlx::Encode<sqlx::Postgres>>::encode(
self.to_string(),
buf,
)?)
}
}
/// Format for action output parsing
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, ToSchema)]
#[serde(rename_all = "lowercase")]
pub enum OutputFormat {
/// Plain text (no parsing)
Text,
/// Parse as JSON
Json,
/// Parse as YAML
Yaml,
/// Parse as JSON Lines (each line is a separate JSON object/value)
Jsonl,
}
impl Default for OutputFormat {
fn default() -> Self {
Self::Text
}
}
impl fmt::Display for OutputFormat {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Text => write!(f, "text"),
Self::Json => write!(f, "json"),
Self::Yaml => write!(f, "yaml"),
Self::Jsonl => write!(f, "jsonl"),
}
}
}
impl FromStr for OutputFormat {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.to_lowercase().as_str() {
"text" => Ok(Self::Text),
"json" => Ok(Self::Json),
"yaml" => Ok(Self::Yaml),
"jsonl" => Ok(Self::Jsonl),
_ => Err(format!("Invalid output format: {}", s)),
}
}
}
impl sqlx::Type<sqlx::Postgres> for OutputFormat {
fn type_info() -> sqlx::postgres::PgTypeInfo {
<String as sqlx::Type<sqlx::Postgres>>::type_info()
}
}
impl<'r> sqlx::Decode<'r, sqlx::Postgres> for OutputFormat {
fn decode(value: sqlx::postgres::PgValueRef<'r>) -> Result<Self, sqlx::error::BoxDynError> {
let s = <String as sqlx::Decode<sqlx::Postgres>>::decode(value)?;
s.parse().map_err(|e: String| e.into())
}
}
impl<'q> sqlx::Encode<'q, sqlx::Postgres> for OutputFormat {
fn encode_by_ref(
&self,
buf: &mut sqlx::postgres::PgArgumentBuffer,
) -> Result<sqlx::encode::IsNull, sqlx::error::BoxDynError> {
Ok(<String as sqlx::Encode<sqlx::Postgres>>::encode(
self.to_string(),
buf,
)?)
}
}
@@ -438,6 +514,8 @@ pub mod action {
pub parameter_delivery: ParameterDelivery,
#[sqlx(default)]
pub parameter_format: ParameterFormat,
#[sqlx(default)]
pub output_format: OutputFormat,
pub created: DateTime<Utc>,
pub updated: DateTime<Utc>,
}
@@ -644,7 +722,7 @@ pub mod execution {
/// Provides direct access to workflow orchestration state without JOINs.
/// The `workflow_execution` field within this metadata is separate from
/// the `parent` field above, as they serve different query patterns.
#[sqlx(json)]
#[sqlx(json, default)]
pub workflow_task: Option<WorkflowTaskMetadata>,
pub created: DateTime<Utc>,

15
crates/worker/src/executor.rs
View File

@@ -106,10 +106,7 @@ impl ActionExecutor {
let is_success = result.is_success();
debug!(
"Execution {} result: exit_code={}, error={:?}, is_success={}",
execution_id,
result.exit_code,
result.error,
is_success
execution_id, result.exit_code, result.error, is_success
);
if is_success {
@@ -232,7 +229,11 @@ impl ActionExecutor {
info!("No execution config present");
}
info!("Extracted {} parameters: {:?}", parameters.len(), parameters);
info!(
"Extracted {} parameters: {:?}",
parameters.len(),
parameters
);
// Prepare standard environment variables
let mut env = HashMap::new();
@@ -383,6 +384,7 @@ impl ActionExecutor {
max_stderr_bytes: self.max_stderr_bytes,
parameter_delivery: action.parameter_delivery,
parameter_format: action.parameter_format,
output_format: action.output_format,
};
Ok(context)
@@ -538,7 +540,8 @@ impl ActionExecutor {
if stderr_path.exists() {
if let Ok(contents) = tokio::fs::read_to_string(&stderr_path).await {
if !contents.trim().is_empty() {
result_data["stderr_log"] = serde_json::json!(stderr_path.to_string_lossy());
result_data["stderr_log"] =
serde_json::json!(stderr_path.to_string_lossy());
}
}
}

22
crates/worker/src/runtime/local.rs
View File

@@ -6,7 +6,9 @@
use super::native::NativeRuntime;
use super::python::PythonRuntime;
use super::shell::ShellRuntime;
use super::{ExecutionContext, ExecutionResult, Runtime, RuntimeError, RuntimeResult};
use super::{
ExecutionContext, ExecutionResult, OutputFormat, Runtime, RuntimeError, RuntimeResult,
};
use async_trait::async_trait;
use tracing::{debug, info};
@@ -123,6 +125,7 @@ impl Runtime for LocalRuntime {
#[cfg(test)]
mod tests {
use super::*;
use crate::runtime::{ParameterDelivery, ParameterFormat};
use std::collections::HashMap;
#[tokio::test]
@@ -149,6 +152,9 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: ParameterDelivery::default(),
parameter_format: ParameterFormat::default(),
output_format: OutputFormat::default(),
};
assert!(runtime.can_execute(&context));
@@ -168,12 +174,15 @@ def run():
secrets: HashMap::new(),
timeout: Some(10),
working_dir: None,
entry_point: "shell".to_string(),
code: Some("echo 'hello from shell'".to_string()),
entry_point: "run.sh".to_string(),
code: Some("#!/bin/bash\necho 'hello from shell'".to_string()),
code_path: None,
runtime_name: Some("shell".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: ParameterDelivery::default(),
parameter_format: ParameterFormat::default(),
output_format: OutputFormat::default(),
};
assert!(runtime.can_execute(&context));
@@ -194,12 +203,15 @@ def run():
secrets: HashMap::new(),
timeout: Some(10),
working_dir: None,
entry_point: "unknown".to_string(),
entry_point: "run".to_string(),
code: Some("some code".to_string()),
code_path: None,
runtime_name: None,
runtime_name: Some("unknown".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: ParameterDelivery::default(),
parameter_format: ParameterFormat::default(),
output_format: OutputFormat::default(),
};
assert!(!runtime.can_execute(&context));

9
crates/worker/src/runtime/mod.rs
View File

@@ -19,7 +19,6 @@ pub use python::PythonRuntime;
pub use shell::ShellRuntime;
use async_trait::async_trait;
use attune_common::models::{ParameterDelivery, ParameterFormat};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::path::PathBuf;
@@ -34,6 +33,9 @@ pub use log_writer::{BoundedLogResult, BoundedLogWriter};
pub use parameter_passing::{ParameterDeliveryConfig, PreparedParameters};
pub use python_venv::PythonVenvManager;
// Re-export parameter types from common
pub use attune_common::models::{OutputFormat, ParameterDelivery, ParameterFormat};
/// Runtime execution result
pub type RuntimeResult<T> = std::result::Result<T, RuntimeError>;
@@ -119,6 +121,10 @@ pub struct ExecutionContext {
/// Format for parameter serialization
#[serde(default)]
pub parameter_format: ParameterFormat,
/// Format for output parsing
#[serde(default)]
pub output_format: OutputFormat,
}
fn default_max_log_bytes() -> usize {
@@ -146,6 +152,7 @@ impl ExecutionContext {
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: ParameterDelivery::default(),
parameter_format: ParameterFormat::default(),
output_format: OutputFormat::default(),
}
}
}

36
crates/worker/src/runtime/parameter_passing.rs
View File

@@ -46,20 +46,14 @@ fn format_dotenv(parameters: &HashMap<String, JsonValue>) -> Result<String, Runt
/// Format parameters as JSON
fn format_json(parameters: &HashMap<String, JsonValue>) -> Result<String, RuntimeError> {
serde_json::to_string_pretty(parameters).map_err(|e| {
RuntimeError::ExecutionFailed(format!(
"Failed to serialize parameters to JSON: {}",
e
))
RuntimeError::ExecutionFailed(format!("Failed to serialize parameters to JSON: {}", e))
})
}
/// Format parameters as YAML
fn format_yaml(parameters: &HashMap<String, JsonValue>) -> Result<String, RuntimeError> {
serde_yaml_ng::to_string(parameters).map_err(|e| {
RuntimeError::ExecutionFailed(format!(
"Failed to serialize parameters to YAML: {}",
e
))
RuntimeError::ExecutionFailed(format!("Failed to serialize parameters to YAML: {}", e))
})
}
@@ -81,18 +75,21 @@ pub fn create_parameter_file(
) -> Result<NamedTempFile, RuntimeError> {
let formatted = format_parameters(parameters, format)?;
let mut temp_file = NamedTempFile::new()
.map_err(|e| RuntimeError::IoError(e))?;
let mut temp_file = NamedTempFile::new().map_err(|e| RuntimeError::IoError(e))?;
// Set restrictive permissions (owner read-only)
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
let mut perms = temp_file.as_file().metadata()
let mut perms = temp_file
.as_file()
.metadata()
.map_err(|e| RuntimeError::IoError(e))?
.permissions();
perms.set_mode(0o400); // Read-only for owner
temp_file.as_file().set_permissions(perms)
temp_file
.as_file()
.set_permissions(perms)
.map_err(|e| RuntimeError::IoError(e))?;
}
@@ -100,9 +97,7 @@ pub fn create_parameter_file(
.write_all(formatted.as_bytes())
.map_err(|e| RuntimeError::IoError(e))?;
temp_file
.flush()
.map_err(|e| RuntimeError::IoError(e))?;
temp_file.flush().map_err(|e| RuntimeError::IoError(e))?;
debug!(
"Created parameter file at {:?} with format {:?}",
@@ -165,10 +160,7 @@ pub fn prepare_parameters(
let formatted = format_parameters(parameters, config.format)?;
// Add environment variables to indicate delivery method
env.insert(
"ATTUNE_PARAMETER_DELIVERY".to_string(),
"stdin".to_string(),
);
env.insert("ATTUNE_PARAMETER_DELIVERY".to_string(), "stdin".to_string());
env.insert(
"ATTUNE_PARAMETER_FORMAT".to_string(),
config.format.to_string(),
@@ -182,10 +174,7 @@ pub fn prepare_parameters(
let path = temp_file.path().to_path_buf();
// Add environment variables to indicate delivery method and file location
env.insert(
"ATTUNE_PARAMETER_DELIVERY".to_string(),
"file".to_string(),
);
env.insert("ATTUNE_PARAMETER_DELIVERY".to_string(), "file".to_string());
env.insert(
"ATTUNE_PARAMETER_FORMAT".to_string(),
config.format.to_string(),
@@ -256,7 +245,6 @@ mod tests {
assert!(result.contains("42"));
}
#[test]
#[test]
fn test_create_parameter_file() {
let mut params = HashMap::new();

53
crates/worker/src/runtime/python.rs
View File

@@ -4,7 +4,7 @@
use super::{
BoundedLogWriter, DependencyManagerRegistry, DependencySpec, ExecutionContext, ExecutionResult,
Runtime, RuntimeError, RuntimeResult,
OutputFormat, Runtime, RuntimeError, RuntimeResult,
};
use async_trait::async_trait;
use std::path::PathBuf;
@@ -214,6 +214,7 @@ if __name__ == '__main__':
timeout_secs: Option<u64>,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
let start = Instant::now();
@@ -330,13 +331,41 @@ if __name__ == '__main__':
exit_code, duration_ms, stdout_result.truncated, stderr_result.truncated
);
// Try to parse result from stdout
let result = if exit_code == 0 {
// Parse result from stdout based on output_format
let result = if exit_code == 0 && !stdout_result.content.trim().is_empty() {
match output_format {
OutputFormat::Text => {
// No parsing - text output is captured in stdout field
None
}
OutputFormat::Json => {
// Try to parse last line of stdout as JSON
stdout_result
.content
.trim()
.lines()
.last()
.and_then(|line| serde_json::from_str(line).ok())
}
OutputFormat::Yaml => {
// Try to parse stdout as YAML
serde_yaml_ng::from_str(stdout_result.content.trim()).ok()
}
OutputFormat::Jsonl => {
// Parse each line as JSON and collect into array
let mut items = Vec::new();
for line in stdout_result.content.trim().lines() {
if let Ok(value) = serde_json::from_str::<serde_json::Value>(line) {
items.push(value);
}
}
if items.is_empty() {
None
} else {
Some(serde_json::Value::Array(items))
}
}
}
} else {
None
};
@@ -368,6 +397,7 @@ if __name__ == '__main__':
python_path: PathBuf,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
debug!(
"Executing Python script with {} secrets (passed via stdin)",
@@ -389,6 +419,7 @@ if __name__ == '__main__':
timeout_secs,
max_stdout_bytes,
max_stderr_bytes,
output_format,
)
.await
}
@@ -403,6 +434,7 @@ if __name__ == '__main__':
python_path: PathBuf,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
debug!(
"Executing Python file: {:?} with {} secrets",
@@ -425,6 +457,7 @@ if __name__ == '__main__':
timeout_secs,
max_stdout_bytes,
max_stderr_bytes,
output_format,
)
.await
}
@@ -515,6 +548,7 @@ impl Runtime for PythonRuntime {
python_path,
context.max_stdout_bytes,
context.max_stderr_bytes,
context.output_format,
)
.await;
}
@@ -529,6 +563,7 @@ impl Runtime for PythonRuntime {
python_path,
context.max_stdout_bytes,
context.max_stderr_bytes,
context.output_format,
)
.await
}
@@ -625,6 +660,9 @@ def run(x, y):
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -658,6 +696,9 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -691,6 +732,9 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -736,6 +780,9 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();

105
crates/worker/src/runtime/shell.rs
View File

@@ -4,7 +4,8 @@
use super::{
parameter_passing::{self, ParameterDeliveryConfig},
BoundedLogWriter, ExecutionContext, ExecutionResult, Runtime, RuntimeError, RuntimeResult,
BoundedLogWriter, ExecutionContext, ExecutionResult, OutputFormat, Runtime, RuntimeError,
RuntimeResult,
};
use async_trait::async_trait;
use std::path::PathBuf;
@@ -58,6 +59,7 @@ impl ShellRuntime {
timeout_secs: Option<u64>,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
let start = Instant::now();
@@ -198,14 +200,41 @@ impl ShellRuntime {
exit_code, duration_ms, stdout_result.truncated, stderr_result.truncated
);
// Try to parse result from stdout as JSON
// Parse result from stdout based on output_format
let result = if exit_code == 0 && !stdout_result.content.trim().is_empty() {
match output_format {
OutputFormat::Text => {
// No parsing - text output is captured in stdout field
None
}
OutputFormat::Json => {
// Try to parse last line of stdout as JSON
stdout_result
.content
.trim()
.lines()
.last()
.and_then(|line| serde_json::from_str(line).ok())
}
OutputFormat::Yaml => {
// Try to parse stdout as YAML
serde_yaml_ng::from_str(stdout_result.content.trim()).ok()
}
OutputFormat::Jsonl => {
// Parse each line as JSON and collect into array
let mut items = Vec::new();
for line in stdout_result.content.trim().lines() {
if let Ok(value) = serde_json::from_str::<serde_json::Value>(line) {
items.push(value);
}
}
if items.is_empty() {
None
} else {
Some(serde_json::Value::Array(items))
}
}
}
} else {
None
};
@@ -338,6 +367,7 @@ impl ShellRuntime {
timeout_secs: Option<u64>,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
debug!(
"Executing shell script with {} secrets (passed via stdin)",
@@ -360,6 +390,7 @@ impl ShellRuntime {
timeout_secs,
max_stdout_bytes,
max_stderr_bytes,
output_format,
)
.await
}
@@ -374,6 +405,7 @@ impl ShellRuntime {
timeout_secs: Option<u64>,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
debug!(
"Executing shell file: {:?} with {} secrets",
@@ -397,6 +429,7 @@ impl ShellRuntime {
timeout_secs,
max_stdout_bytes,
max_stderr_bytes,
output_format,
)
.await
}
@@ -448,11 +481,8 @@ impl Runtime for ShellRuntime {
format: context.parameter_format,
};
let prepared_params = parameter_passing::prepare_parameters(
&context.parameters,
&mut env,
config,
)?;
let prepared_params =
parameter_passing::prepare_parameters(&context.parameters, &mut env, config)?;
// Get stdin content if parameters are delivered via stdin
let parameters_stdin = prepared_params.stdin_content();
@@ -478,6 +508,7 @@ impl Runtime for ShellRuntime {
context.timeout,
context.max_stdout_bytes,
context.max_stderr_bytes,
context.output_format,
)
.await;
}
@@ -492,6 +523,7 @@ impl Runtime for ShellRuntime {
context.timeout,
context.max_stdout_bytes,
context.max_stderr_bytes,
context.output_format,
)
.await
}
@@ -577,6 +609,7 @@ mod tests {
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -609,6 +642,7 @@ mod tests {
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -636,6 +670,7 @@ mod tests {
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -665,6 +700,7 @@ mod tests {
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -709,6 +745,7 @@ echo "missing=$missing"
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -720,4 +757,58 @@ echo "missing=$missing"
assert!(result.stdout.contains("db_pass=super_secret_pass"));
assert!(result.stdout.contains("missing="));
}
#[tokio::test]
async fn test_shell_runtime_jsonl_output() {
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 6,
action_ref: "test.jsonl".to_string(),
parameters: HashMap::new(),
env: HashMap::new(),
secrets: HashMap::new(),
timeout: Some(10),
working_dir: None,
entry_point: "shell".to_string(),
code: Some(
r#"
echo '{"id": 1, "name": "Alice"}'
echo '{"id": 2, "name": "Bob"}'
echo '{"id": 3, "name": "Charlie"}'
"#
.to_string(),
),
code_path: None,
runtime_name: Some("shell".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_common::models::ParameterDelivery::default(),
parameter_format: attune_common::models::ParameterFormat::default(),
output_format: attune_common::models::OutputFormat::Jsonl,
};
let result = runtime.execute(context).await.unwrap();
assert!(result.is_success());
assert_eq!(result.exit_code, 0);
// Verify result is parsed as an array of JSON objects
let parsed_result = result.result.expect("Should have parsed result");
assert!(parsed_result.is_array());
let items = parsed_result.as_array().unwrap();
assert_eq!(items.len(), 3);
// Verify first item
assert_eq!(items[0]["id"], 1);
assert_eq!(items[0]["name"], "Alice");
// Verify second item
assert_eq!(items[1]["id"], 2);
assert_eq!(items[1]["name"], "Bob");
// Verify third item
assert_eq!(items[2]["id"], 3);
assert_eq!(items[2]["name"], "Charlie");
}
}

14
crates/worker/tests/log_truncation_test.rs
View File

@@ -32,6 +32,8 @@ for i in range(100):
runtime_name: Some("python".to_string()),
max_stdout_bytes: 500, // Small limit to trigger truncation
max_stderr_bytes: 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -70,6 +72,8 @@ for i in range(100):
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 300, // Small limit for stderr
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -109,6 +113,8 @@ done
runtime_name: Some("shell".to_string()),
max_stdout_bytes: 400, // Small limit
max_stderr_bytes: 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -144,6 +150,8 @@ print("Hello, World!")
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024, // Large limit
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -184,6 +192,8 @@ for i in range(50):
runtime_name: Some("python".to_string()),
max_stdout_bytes: 300, // Both limits are small
max_stderr_bytes: 300,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -226,6 +236,8 @@ time.sleep(30) # Will timeout before this
runtime_name: Some("python".to_string()),
max_stdout_bytes: 500,
max_stderr_bytes: 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -262,6 +274,8 @@ sys.stdout.write("Small output")
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024, // Large limit to avoid truncation
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();

14
crates/worker/tests/security_tests.rs
View File

@@ -59,6 +59,8 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -155,6 +157,8 @@ echo "SECURITY_PASS: Secrets not in environment but accessible via get_secret"
runtime_name: Some("shell".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -203,6 +207,8 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result1 = runtime.execute(context1).await.unwrap();
@@ -239,6 +245,8 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result2 = runtime.execute(context2).await.unwrap();
@@ -286,6 +294,8 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -329,6 +339,8 @@ fi
runtime_name: Some("shell".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();
@@ -380,6 +392,8 @@ def run():
runtime_name: Some("python".to_string()),
max_stdout_bytes: 10 * 1024 * 1024,
max_stderr_bytes: 10 * 1024 * 1024,
parameter_delivery: attune_worker::runtime::ParameterDelivery::default(),
parameter_format: attune_worker::runtime::ParameterFormat::default(),
};
let result = runtime.execute(context).await.unwrap();

179
docs/QUICKREF-output-formats.md Normal file
View File

@@ -0,0 +1,179 @@
# Quick Reference: Action Output Formats
## TL;DR
Actions can specify how their stdout should be parsed:
- `text` (default): No parsing, raw stdout only
- `json`: Parse last line as JSON
- `yaml`: Parse entire output as YAML
- `jsonl`: Parse each line as JSON, return array
## Action Definition
```yaml
name: my_action
output_format: json # text | json | yaml | jsonl
output_schema:
type: object # Use 'array' for jsonl
properties:
result: { type: string }
```
## Format Behaviors
| Format | Parses | Result | Best For |
|--------|--------|--------|----------|
| `text` | Nothing | `null` | Simple messages, logs |
| `json` | Last line | Object/Value | API responses, single results |
| `yaml` | Entire stdout | Object/Value | Configs, nested data |
| `jsonl` | Each line | Array | Lists, streaming, batches |
## Examples
### Text (no parsing)
```bash
echo "Hello, World!"
# Result: null (stdout captured separately)
```
### JSON (last line)
```bash
echo "Processing..."
echo '{"status": 200, "data": "success"}'
# Result: {"status": 200, "data": "success"}
```
### YAML (entire output)
```bash
cat <<EOF
version: 1.0
settings:
enabled: true
timeout: 30
EOF
# Result: {"version": "1.0", "settings": {...}}
```
### JSONL (each line → array)
```bash
echo '{"id": 1, "name": "Alice"}'
echo '{"id": 2, "name": "Bob"}'
echo '{"id": 3, "name": "Charlie"}'
# Result: [{"id": 1, ...}, {"id": 2, ...}, {"id": 3, ...}]
```
## Action Script Templates
### Bash + JSON
```bash
#!/bin/bash
result=$(do_work)
echo "{\"result\": \"$result\", \"status\": \"ok\"}"
```
### Python + JSON
```python
#!/usr/bin/env python3
import json
result = do_work()
print(json.dumps({"result": result, "status": "ok"}))
```
### Bash + JSONL
```bash
#!/bin/bash
for item in $(ls); do
size=$(stat -f%z "$item")
echo "{\"name\": \"$item\", \"size\": $size}"
done
```
### Python + JSONL
```python
#!/usr/bin/env python3
import json
for item in get_items():
print(json.dumps({"id": item.id, "value": item.value}))
```
## Common Patterns
### Informational + Result (JSON)
```bash
echo "Starting process..." >&2 # Log to stderr
echo "Processing 100 items..." >&2
echo '{"processed": 100, "errors": 0}' # JSON on last line
```
### Mixed Output (JSONL)
```bash
echo "Scanning directory..." >&2 # Non-JSON ignored
echo '{"file": "a.txt", "size": 1024}' # Valid JSON
echo "Found 2 files" >&2 # Non-JSON ignored
echo '{"file": "b.txt", "size": 2048}' # Valid JSON
```
## Execution Result Structure
```json
{
"exit_code": 0,
"succeeded": true,
"duration_ms": 142,
"stdout": "raw output here",
"stderr": "logs here",
"data": { /* parsed result based on output_format */ }
}
```
## Best Practices
✅ **DO**
- Use `text` for simple logging/messages
- Use `json` for structured single results
- Use `jsonl` for lists and batches
- Write one JSON object per line (no pretty-print)
- Log to stderr, output to stdout
- Use non-zero exit codes for failures
❌ **DON'T**
- Mix error messages in stdout (use stderr)
- Pretty-print JSON across multiple lines
- Assume parsing will always succeed
- Use `jsonl` without `type: array` in schema
## Troubleshooting
**No result parsed?**
- Check exit code is 0
- Verify JSON is on last line (`json`)
- Ensure one JSON per line (`jsonl`)
- Check for syntax errors in output
- Parsing failures don't cause execution failure
**JSONL returning empty array?**
- Check each line is valid JSON
- Ensure no trailing empty lines
- Invalid lines are silently skipped
**Result is null but expected data?**
- Verify `output_format` matches output
- Check stdout contains expected format
- Parsing is best-effort (no errors thrown)
## Database
```sql
-- Check action output format
SELECT ref, output_format FROM action WHERE ref = 'core.http_request';
-- Update action output format
UPDATE action SET output_format = 'jsonl' WHERE ref = 'mypack.myaction';
```
## See Also
- [Full Documentation](action-output-formats.md)
- [Pack Structure](pack-structure.md)
- [Parameter Delivery](parameter-delivery.md)
- [Execution System](execution-system.md)

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459
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@@ -0,0 +1,459 @@
# Action Output Formats
## Overview
Attune actions can specify how their output should be parsed and stored in the execution result. This allows actions to produce structured data (JSON, YAML, JSON Lines) or plain text output, and have it automatically parsed and stored in the `execution.result` field.
## Output Format Types
### `text` (Default)
**Use Case**: Simple actions that produce human-readable output without structured data.
**Behavior**:
- No parsing is performed on stdout
- Full stdout content is captured in `execution.stdout`
- `execution.result` field is `null`
**Example Action**:
```yaml
name: echo
output_format: text
```
**Example Output**:
```
Hello, World!
```
**Execution Result**:
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "Hello, World!",
"data": null
}
```
---
### `json`
**Use Case**: Actions that produce a single JSON object or value as their final output.
**Behavior**:
- Parses the **last line** of stdout as JSON
- Stores parsed JSON in `execution.result`
- Full stdout still available in `execution.stdout`
- If parsing fails, `result` is `null` (no error)
**Example Action**:
```yaml
name: http_request
output_format: json
output_schema:
type: object
properties:
status_code:
type: integer
body:
type: string
elapsed_ms:
type: integer
```
**Example Output**:
```
Connecting to example.com...
Request sent
{"status_code": 200, "body": "{\"message\":\"ok\"}", "elapsed_ms": 142}
```
**Execution Result**:
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "Connecting to example.com...\nRequest sent\n{...}",
"data": {
"status_code": 200,
"body": "{\"message\":\"ok\"}",
"elapsed_ms": 142
}
}
```
---
### `yaml`
**Use Case**: Actions that produce YAML-formatted output, common in configuration management and infrastructure tools.
**Behavior**:
- Parses **entire stdout** as YAML
- Stores parsed data in `execution.result`
- Full stdout still available in `execution.stdout`
- If parsing fails, `result` is `null` (no error)
**Example Action**:
```yaml
name: get_config
output_format: yaml
output_schema:
type: object
properties:
version:
type: string
settings:
type: object
```
**Example Output**:
```yaml
version: "1.2.3"
settings:
enabled: true
max_retries: 3
timeout: 30
```
**Execution Result**:
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "version: \"1.2.3\"\nsettings:\n enabled: true\n...",
"data": {
"version": "1.2.3",
"settings": {
"enabled": true,
"max_retries": 3,
"timeout": 30
}
}
}
```
---
### `jsonl` (JSON Lines)
**Use Case**: Actions that produce multiple records or streaming results, where each line is a separate JSON object.
**Behavior**:
- Parses **each line** of stdout as a separate JSON object
- Collects all parsed objects into a JSON array
- Stores array in `execution.result`
- Full stdout still available in `execution.stdout`
- Invalid JSON lines are silently skipped
- If no valid JSON lines found, `result` is `null`
**Important**: When using `jsonl`, the `output_schema` root type **must be `array`**.
**Example Action**:
```yaml
name: list_users
output_format: jsonl
output_schema:
type: array
items:
type: object
properties:
id:
type: integer
username:
type: string
email:
type: string
```
**Example Output**:
```
{"id": 1, "username": "alice", "email": "alice@example.com"}
{"id": 2, "username": "bob", "email": "bob@example.com"}
{"id": 3, "username": "charlie", "email": "charlie@example.com"}
```
**Execution Result**:
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "{\"id\": 1, ...}\n{\"id\": 2, ...}\n{\"id\": 3, ...}",
"data": [
{"id": 1, "username": "alice", "email": "alice@example.com"},
{"id": 2, "username": "bob", "email": "bob@example.com"},
{"id": 3, "username": "charlie", "email": "charlie@example.com"}
]
}
```
**Benefits**:
- Memory efficient for large datasets (streaming)
- Easy to process line-by-line
- Resilient to partial failures (invalid lines skipped)
- Compatible with standard JSONL tools and libraries
---
## Choosing an Output Format
| Format | Best For | Parsing | Result Type |
|--------|----------|---------|-------------|
| `text` | Simple messages, logs, human output | None | `null` |
| `json` | Single structured result | Last line only | Object/Value |
| `yaml` | Configuration, complex nested data | Entire output | Object/Value |
| `jsonl` | Lists, streaming, multiple records | Each line | Array |
---
## Action Definition Examples
### Text Output Action
```yaml
name: echo
ref: core.echo
output_format: text
entry_point: echo.sh
parameters:
type: object
properties:
message:
type: string
```
### JSON Output Action
```yaml
name: http_request
ref: core.http_request
output_format: json
entry_point: http_request.sh
output_schema:
type: object
properties:
status_code:
type: integer
headers:
type: object
body:
type: string
```
### JSONL Output Action
```yaml
name: list_files
ref: custom.list_files
output_format: jsonl
entry_point: list_files.sh
output_schema:
type: array
items:
type: object
properties:
path:
type: string
size:
type: integer
modified:
type: string
```
---
## Writing Actions with Structured Output
### JSON Output (Bash)
```bash
#!/bin/bash
# Action script that produces JSON output
# Do work...
result=$(curl -s https://api.example.com/data)
status=$?
# Output JSON on last line
echo "{\"status\": $status, \"data\": \"$result\"}"
```
### JSON Output (Python)
```python
#!/usr/bin/env python3
import json
import sys
# Do work...
result = {"count": 42, "items": ["a", "b", "c"]}
# Output JSON on last line
print(json.dumps(result))
```
### JSONL Output (Bash)
```bash
#!/bin/bash
# Action script that produces JSONL output
# Process items and output one JSON object per line
for item in $(ls -1 /path/to/files); do
size=$(stat -f%z "$item")
echo "{\"name\": \"$item\", \"size\": $size}"
done
```
### JSONL Output (Python)
```python
#!/usr/bin/env python3
import json
import os
# Process items and output one JSON object per line
for filename in os.listdir('/path/to/files'):
info = os.stat(filename)
record = {
"name": filename,
"size": info.st_size,
"modified": info.st_mtime
}
print(json.dumps(record))
```
---
## Error Handling
### Parsing Failures
If output parsing fails:
- The action execution is still considered successful (if exit code is 0)
- `execution.result` is set to `null`
- Full stdout is still captured in `execution.stdout`
- No error is logged (parsing is best-effort)
**Example**: Action has `output_format: json` but produces invalid JSON:
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "Not valid JSON!",
"data": null
}
```
### Mixed Output
For `json` and `jsonl` formats, you can still include informational output:
**JSON** - Only last line is parsed:
```
Starting process...
Processing 100 items...
Done!
{"processed": 100, "errors": 0}
```
**JSONL** - Only valid JSON lines are parsed:
```
Starting scan...
{"file": "a.txt", "size": 1024}
{"file": "b.txt", "size": 2048}
Scan complete
```
---
## Output Schema Validation
While the `output_schema` field is used to document expected output structure, Attune does **not** currently validate action output against the schema. The schema serves as:
1. **Documentation** for action consumers
2. **Type hints** for workflow parameter mapping
3. **API documentation** generation
4. **Future validation** (planned feature)
---
## Best Practices
### 1. Choose the Right Format
- Use `text` for simple actions without structured output
- Use `json` for single-result APIs or calculations
- Use `yaml` when working with configuration management tools
- Use `jsonl` for lists, batches, or streaming results
### 2. JSON/JSONL: One JSON Per Line
```bash
# Good - Each JSON on its own line
echo '{"id": 1, "name": "Alice"}'
echo '{"id": 2, "name": "Bob"}'
# Bad - Pretty-printed JSON spans multiple lines
echo '{
"id": 1,
"name": "Alice"
}'
```
### 3. Informational Output
- Add logging/progress messages **before** the final JSON line
- For JSONL, non-JSON lines are silently ignored
### 4. Error Messages
- Write errors to **stderr**, not stdout
- Stdout should contain only the structured output
- Use non-zero exit codes for failures
```bash
# Good
if [[ $status -ne 0 ]]; then
echo "Error: Failed to connect" >&2
exit 1
fi
echo '{"success": true}'
# Bad - mixes error in stdout
if [[ $status -ne 0 ]]; then
echo "Error: Failed to connect"
echo '{"success": false}'
fi
```
### 5. Always Flush Output
```python
# Python - ensure output is written immediately
import sys
print(json.dumps(result))
sys.stdout.flush()
```
```bash
# Bash - automatic, but can force with
echo '{"result": "data"}'
sync
```
---
## Database Schema
The `output_format` field is stored in the `action` table:
```sql
CREATE TABLE action (
-- ... other columns ...
output_format TEXT NOT NULL DEFAULT 'text'
CHECK (output_format IN ('text', 'json', 'yaml', 'jsonl')),
-- ... other columns ...
);
```
Default value is `'text'` for backward compatibility.
---
## Related Documentation
- [Action Structure](pack-structure.md#actions)
- [Parameter Delivery](parameter-delivery.md)
- [Execution Results](execution-system.md#results)
- [Output Schema](json-schema.md)

23
docs/packs/pack-structure.md
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@@ -91,7 +91,6 @@ conf_schema:
default: 300
minimum: 1
maximum: 3600
required: []
config:
max_action_timeout: 300
@@ -123,8 +122,8 @@ runtime_deps:
Action metadata files define the parameters, output schema, and execution details for actions.
**Required Fields:**
- `name` (string): Action name (matches filename)
- `ref` (string): Full action reference (e.g., "core.echo")
- `label` (string): Human-readable action name
- `description` (string): Action description
- `runner_type` (string): Execution runtime (shell, python, nodejs, docker)
- `entry_point` (string): Script filename to execute
@@ -142,27 +141,27 @@ Action metadata files define the parameters, output schema, and execution detail
**Example:**
```yaml
name: echo
ref: core.echo
label: "Echo"
description: "Echo a message to stdout"
enabled: true
runner_type: shell
entry_point: echo.sh
# Parameter delivery (optional, defaults to env/dotenv)
parameter_delivery: env
parameter_format: dotenv
# Parameter delivery (optional, defaults to stdin/json)
parameter_delivery: stdin
parameter_format: json
parameters:
type: object
properties:
message:
type: string
description: "Message to echo"
required: true
default: "Hello, World!"
uppercase:
type: boolean
description: "Convert message to uppercase"
required: false
default: false
output_schema:
@@ -316,8 +315,8 @@ if __name__ == "__main__":
Sensor metadata files define sensors that monitor for events and fire triggers.
**Required Fields:**
- `name` (string): Sensor name
- `ref` (string): Full sensor reference (e.g., "core.interval_timer_sensor")
- `label` (string): Human-readable sensor name
- `description` (string): Sensor description
- `runner_type` (string): Execution runtime (python, nodejs)
- `entry_point` (string): Script filename to execute
@@ -333,8 +332,8 @@ Sensor metadata files define sensors that monitor for events and fire triggers.
**Example:**
```yaml
name: interval_timer_sensor
ref: core.interval_timer_sensor
label: "Interval Timer Sensor"
description: "Monitors time and fires interval timer triggers"
enabled: true
runner_type: python
@@ -407,8 +406,8 @@ if __name__ == "__main__":
Trigger metadata files define event types that sensors can fire.
**Required Fields:**
- `name` (string): Trigger name
- `ref` (string): Full trigger reference (e.g., "core.intervaltimer")
- `label` (string): Human-readable trigger name
- `description` (string): Trigger description
- `type` (string): Trigger type (interval, cron, one_shot, webhook, custom)
@@ -422,8 +421,8 @@ Trigger metadata files define event types that sensors can fire.
**Example:**
```yaml
name: intervaltimer
ref: core.intervaltimer
label: "Interval Timer"
description: "Fires at regular intervals"
enabled: true
type: interval

3
migrations/20250101000005_action.sql
View File

@@ -19,6 +19,7 @@ CREATE TABLE action (
out_schema JSONB,
parameter_delivery TEXT NOT NULL DEFAULT 'stdin' CHECK (parameter_delivery IN ('stdin', 'file')),
parameter_format TEXT NOT NULL DEFAULT 'json' CHECK (parameter_format IN ('dotenv', 'json', 'yaml')),
output_format TEXT NOT NULL DEFAULT 'text' CHECK (output_format IN ('text', 'json', 'yaml', 'jsonl')),
is_adhoc BOOLEAN NOT NULL DEFAULT FALSE,
created TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated TIMESTAMPTZ NOT NULL DEFAULT NOW(),
@@ -34,6 +35,7 @@ CREATE INDEX idx_action_pack ON action(pack);
CREATE INDEX idx_action_runtime ON action(runtime);
CREATE INDEX idx_action_parameter_delivery ON action(parameter_delivery);
CREATE INDEX idx_action_parameter_format ON action(parameter_format);
CREATE INDEX idx_action_output_format ON action(output_format);
CREATE INDEX idx_action_is_adhoc ON action(is_adhoc) WHERE is_adhoc = true;
CREATE INDEX idx_action_created ON action(created DESC);
@@ -54,6 +56,7 @@ COMMENT ON COLUMN action.param_schema IS 'JSON schema for action parameters';
COMMENT ON COLUMN action.out_schema IS 'JSON schema for action output';
COMMENT ON COLUMN action.parameter_delivery IS 'How parameters are delivered: stdin (standard input - secure), file (temporary file - secure for large payloads). Environment variables are set separately via execution.env_vars.';
COMMENT ON COLUMN action.parameter_format IS 'Parameter serialization format: json (JSON object - default), dotenv (KEY=''VALUE''), yaml (YAML format)';
COMMENT ON COLUMN action.output_format IS 'Output parsing format: text (no parsing - raw stdout), json (parse stdout as JSON), yaml (parse stdout as YAML), jsonl (parse each line as JSON, collect into array)';
COMMENT ON COLUMN action.is_adhoc IS 'True if action was manually created (ad-hoc), false if installed from pack';
-- ============================================================================

2
packs/core/actions/build_pack_envs.yaml
View File

@@ -1,8 +1,8 @@
# Build Pack Environments Action
# Creates runtime environments and installs dependencies for packs
name: build_pack_envs
ref: core.build_pack_envs
label: "Build Pack Environments"
description: "Build runtime environments for packs and install declared dependencies (Python requirements.txt, Node.js package.json)"
enabled: true
runner_type: shell

2
packs/core/actions/download_packs.yaml
View File

@@ -1,8 +1,8 @@
# Download Packs Action
# Downloads packs from various sources (git repositories, HTTP archives, or pack registry)
name: download_packs
ref: core.download_packs
label: "Download Packs"
description: "Download packs from git repositories, HTTP archives, or pack registry to a temporary directory"
enabled: true
runner_type: shell

3
packs/core/actions/echo.yaml
View File

@@ -1,8 +1,8 @@
# Echo Action
# Outputs a message to stdout
name: echo
ref: core.echo
label: "Echo"
description: "Echo a message to stdout"
enabled: true
@@ -26,7 +26,6 @@ parameters:
message:
type: string
description: "Message to echo (empty string if not provided)"
required: []
# Output schema: not applicable for text output format
# The action outputs plain text to stdout

2
packs/core/actions/get_pack_dependencies.yaml
View File

@@ -1,8 +1,8 @@
# Get Pack Dependencies Action
# Parses pack.yaml files to identify pack and runtime dependencies
name: get_pack_dependencies
ref: core.get_pack_dependencies
label: "Get Pack Dependencies"
description: "Parse pack.yaml files to extract pack dependencies and runtime requirements"
enabled: true
runner_type: shell

372
packs/core/actions/http_request.sh
View File

@@ -1,209 +1,259 @@
#!/bin/bash
#!/bin/sh
# HTTP Request Action - Core Pack
# Make HTTP requests to external APIs using curl
#
# This script uses pure POSIX shell without external dependencies like jq.
# It reads parameters in DOTENV format from stdin until the delimiter.
set -e
set -o pipefail
# Read JSON parameters from stdin
INPUT=$(cat)
# Initialize variables
url=""
method="GET"
body=""
json_body=""
timeout="30"
verify_ssl="true"
auth_type="none"
auth_username=""
auth_password=""
auth_token=""
follow_redirects="true"
max_redirects="10"
# Parse required parameters
URL=$(echo "$INPUT" | jq -r '.url // ""')
# Temporary files
headers_file=$(mktemp)
query_params_file=$(mktemp)
body_file=""
temp_headers=$(mktemp)
curl_output=$(mktemp)
if [ -z "$URL" ] || [ "$URL" = "null" ]; then
echo "ERROR: 'url' parameter is required" >&2
cleanup() {
rm -f "$headers_file" "$query_params_file" "$temp_headers" "$curl_output"
[ -n "$body_file" ] && [ -f "$body_file" ] && rm -f "$body_file"
}
trap cleanup EXIT
# Read DOTENV-formatted parameters
while IFS= read -r line; do
case "$line" in
*"---ATTUNE_PARAMS_END---"*) break ;;
esac
[ -z "$line" ] && continue
key="${line%%=*}"
value="${line#*=}"
# Remove quotes
case "$value" in
\"*\") value="${value#\"}"; value="${value%\"}" ;;
\'*\') value="${value#\'}"; value="${value%\'}" ;;
esac
# Process parameters
case "$key" in
url) url="$value" ;;
method) method="$value" ;;
body) body="$value" ;;
json_body) json_body="$value" ;;
timeout) timeout="$value" ;;
verify_ssl) verify_ssl="$value" ;;
auth_type) auth_type="$value" ;;
auth_username) auth_username="$value" ;;
auth_password) auth_password="$value" ;;
auth_token) auth_token="$value" ;;
follow_redirects) follow_redirects="$value" ;;
max_redirects) max_redirects="$value" ;;
headers.*)
printf '%s: %s\n' "${key#headers.}" "$value" >> "$headers_file"
;;
query_params.*)
printf '%s=%s\n' "${key#query_params.}" "$value" >> "$query_params_file"
;;
esac
done
# Validate required
if [ -z "$url" ]; then
printf '{"status_code":0,"headers":{},"body":"","json":null,"elapsed_ms":0,"url":"","success":false,"error":"url parameter is required"}\n'
exit 1
fi
# Parse optional parameters
METHOD=$(echo "$INPUT" | jq -r '.method // "GET"' | tr '[:lower:]' '[:upper:]')
HEADERS=$(echo "$INPUT" | jq -r '.headers // {}')
BODY=$(echo "$INPUT" | jq -r '.body // ""')
JSON_BODY=$(echo "$INPUT" | jq -c '.json_body // null')
QUERY_PARAMS=$(echo "$INPUT" | jq -r '.query_params // {}')
TIMEOUT=$(echo "$INPUT" | jq -r '.timeout // 30')
VERIFY_SSL=$(echo "$INPUT" | jq -r '.verify_ssl // true')
AUTH_TYPE=$(echo "$INPUT" | jq -r '.auth_type // "none"')
FOLLOW_REDIRECTS=$(echo "$INPUT" | jq -r '.follow_redirects // true')
MAX_REDIRECTS=$(echo "$INPUT" | jq -r '.max_redirects // 10')
# Normalize method
method=$(printf '%s' "$method" | tr '[:lower:]' '[:upper:]')
# Build URL with query parameters
FINAL_URL="$URL"
if [ "$QUERY_PARAMS" != "{}" ] && [ "$QUERY_PARAMS" != "null" ]; then
QUERY_STRING=$(echo "$QUERY_PARAMS" | jq -r 'to_entries | map("\(.key)=\(.value | @uri)") | join("&")')
if [[ "$FINAL_URL" == *"?"* ]]; then
FINAL_URL="${FINAL_URL}&${QUERY_STRING}"
else
FINAL_URL="${FINAL_URL}?${QUERY_STRING}"
# URL encode helper
url_encode() {
printf '%s' "$1" | sed 's/ /%20/g; s/!/%21/g; s/"/%22/g; s/#/%23/g; s/\$/%24/g; s/&/%26/g; s/'\''/%27/g'
}
# Build URL with query params
final_url="$url"
if [ -s "$query_params_file" ]; then
query_string=""
while IFS='=' read -r param_name param_value; do
[ -z "$param_name" ] && continue
encoded=$(url_encode "$param_value")
[ -z "$query_string" ] && query_string="${param_name}=${encoded}" || query_string="${query_string}&${param_name}=${encoded}"
done < "$query_params_file"
if [ -n "$query_string" ]; then
case "$final_url" in
*\?*) final_url="${final_url}&${query_string}" ;;
*) final_url="${final_url}?${query_string}" ;;
esac
fi
fi
# Build curl arguments array
CURL_ARGS=(
-X "$METHOD"
-s # Silent mode
-w "\n%{http_code}\n%{time_total}\n%{url_effective}\n" # Write out metadata
--max-time "$TIMEOUT"
--connect-timeout 10
)
# Handle SSL verification
if [ "$VERIFY_SSL" = "false" ]; then
CURL_ARGS+=(-k)
# Prepare body
if [ -n "$json_body" ]; then
body_file=$(mktemp)
printf '%s' "$json_body" > "$body_file"
elif [ -n "$body" ]; then
body_file=$(mktemp)
printf '%s' "$body" > "$body_file"
fi
# Handle redirects
if [ "$FOLLOW_REDIRECTS" = "true" ]; then
CURL_ARGS+=(-L --max-redirs "$MAX_REDIRECTS")
# Build curl args file (avoid shell escaping issues)
curl_args=$(mktemp)
{
printf -- '-X\n%s\n' "$method"
printf -- '-s\n'
printf -- '-w\n\n%%{http_code}\n%%{url_effective}\n\n'
printf -- '--max-time\n%s\n' "$timeout"
printf -- '--connect-timeout\n10\n'
printf -- '--dump-header\n%s\n' "$temp_headers"
[ "$verify_ssl" = "false" ] && printf -- '-k\n'
if [ "$follow_redirects" = "true" ]; then
printf -- '-L\n'
printf -- '--max-redirs\n%s\n' "$max_redirects"
fi
# Add headers
if [ "$HEADERS" != "{}" ] && [ "$HEADERS" != "null" ]; then
while IFS= read -r header; do
if [ -n "$header" ]; then
CURL_ARGS+=(-H "$header")
fi
done < <(echo "$HEADERS" | jq -r 'to_entries | map("\(.key): \(.value)") | .[]')
if [ -s "$headers_file" ]; then
while IFS= read -r h; do
[ -n "$h" ] && printf -- '-H\n%s\n' "$h"
done < "$headers_file"
fi
# Handle authentication
case "$AUTH_TYPE" in
case "$auth_type" in
basic)
AUTH_USERNAME=$(echo "$INPUT" | jq -r '.auth_username // ""')
AUTH_PASSWORD=$(echo "$INPUT" | jq -r '.auth_password // ""')
if [ -n "$AUTH_USERNAME" ] && [ "$AUTH_USERNAME" != "null" ]; then
CURL_ARGS+=(-u "${AUTH_USERNAME}:${AUTH_PASSWORD}")
fi
[ -n "$auth_username" ] && printf -- '-u\n%s:%s\n' "$auth_username" "$auth_password"
;;
bearer)
AUTH_TOKEN=$(echo "$INPUT" | jq -r '.auth_token // ""')
if [ -n "$AUTH_TOKEN" ] && [ "$AUTH_TOKEN" != "null" ]; then
CURL_ARGS+=(-H "Authorization: Bearer ${AUTH_TOKEN}")
fi
[ -n "$auth_token" ] && printf -- '-H\nAuthorization: Bearer %s\n' "$auth_token"
;;
esac
# Handle request body
if [ "$JSON_BODY" != "null" ] && [ "$JSON_BODY" != "" ]; then
CURL_ARGS+=(-H "Content-Type: application/json")
CURL_ARGS+=(-d "$JSON_BODY")
elif [ -n "$BODY" ] && [ "$BODY" != "null" ]; then
CURL_ARGS+=(-d "$BODY")
if [ -n "$body_file" ] && [ -f "$body_file" ]; then
[ -n "$json_body" ] && printf -- '-H\nContent-Type: application/json\n'
printf -- '-d\n@%s\n' "$body_file"
fi
# Capture start time
START_TIME=$(date +%s%3N)
printf -- '%s\n' "$final_url"
} > "$curl_args"
# Make the request and capture response headers
TEMP_HEADERS=$(mktemp)
CURL_ARGS+=(--dump-header "$TEMP_HEADERS")
# Execute curl
start_time=$(date +%s%3N 2>/dev/null || echo $(($(date +%s) * 1000)))
# Execute curl and capture output
set +e
RESPONSE=$(curl "${CURL_ARGS[@]}" "$FINAL_URL" 2>&1)
CURL_EXIT_CODE=$?
xargs -a "$curl_args" curl > "$curl_output" 2>&1
curl_exit_code=$?
set -e
# Calculate elapsed time
END_TIME=$(date +%s%3N)
ELAPSED_MS=$((END_TIME - START_TIME))
rm -f "$curl_args"
# Parse curl output (last 3 lines are: http_code, time_total, url_effective)
BODY_OUTPUT=$(echo "$RESPONSE" | head -n -3)
HTTP_CODE=$(echo "$RESPONSE" | tail -n 3 | head -n 1 | tr -d '\r\n')
CURL_TIME=$(echo "$RESPONSE" | tail -n 2 | head -n 1 | tr -d '\r\n')
EFFECTIVE_URL=$(echo "$RESPONSE" | tail -n 1 | tr -d '\r\n')
end_time=$(date +%s%3N 2>/dev/null || echo $(($(date +%s) * 1000)))
elapsed_ms=$((end_time - start_time))
# Ensure HTTP_CODE is numeric, default to 0 if not
if ! [[ "$HTTP_CODE" =~ ^[0-9]+$ ]]; then
HTTP_CODE=0
# Parse output
response=$(cat "$curl_output")
total_lines=$(printf '%s\n' "$response" | wc -l)
body_lines=$((total_lines - 2))
if [ "$body_lines" -gt 0 ]; then
body_output=$(printf '%s\n' "$response" | head -n "$body_lines")
else
body_output=""
fi
# If curl failed, handle error
if [ "$CURL_EXIT_CODE" -ne 0 ]; then
ERROR_MSG="curl failed with exit code $CURL_EXIT_CODE"
http_code=$(printf '%s\n' "$response" | tail -n 2 | head -n 1 | tr -d '\r\n ')
effective_url=$(printf '%s\n' "$response" | tail -n 1 | tr -d '\r\n')
# Determine specific error
case $CURL_EXIT_CODE in
6) ERROR_MSG="Could not resolve host" ;;
7) ERROR_MSG="Failed to connect to host" ;;
28) ERROR_MSG="Request timeout" ;;
35) ERROR_MSG="SSL/TLS connection error" ;;
52) ERROR_MSG="Empty reply from server" ;;
56) ERROR_MSG="Failure receiving network data" ;;
*) ERROR_MSG="curl error code $CURL_EXIT_CODE" ;;
case "$http_code" in
''|*[!0-9]*) http_code=0 ;;
esac
# Output error result as JSON
jq -n \
--arg error "$ERROR_MSG" \
--argjson elapsed "$ELAPSED_MS" \
--arg url "$FINAL_URL" \
'{
status_code: 0,
headers: {},
body: "",
json: null,
elapsed_ms: $elapsed,
url: $url,
success: false,
error: $error
}'
rm -f "$TEMP_HEADERS"
# Handle errors
if [ "$curl_exit_code" -ne 0 ]; then
error_msg="curl error code $curl_exit_code"
case $curl_exit_code in
6) error_msg="Could not resolve host" ;;
7) error_msg="Failed to connect to host" ;;
28) error_msg="Request timeout" ;;
35) error_msg="SSL/TLS connection error" ;;
52) error_msg="Empty reply from server" ;;
56) error_msg="Failure receiving network data" ;;
esac
error_msg=$(printf '%s' "$error_msg" | sed 's/\\/\\\\/g; s/"/\\"/g')
printf '{"status_code":0,"headers":{},"body":"","json":null,"elapsed_ms":%d,"url":"%s","success":false,"error":"%s"}\n' \
"$elapsed_ms" "$final_url" "$error_msg"
exit 1
fi
# Parse response headers into JSON
HEADERS_JSON="{}"
if [ -f "$TEMP_HEADERS" ]; then
# Skip the status line and parse headers
HEADERS_JSON=$(grep -v "^HTTP/" "$TEMP_HEADERS" | grep ":" | sed 's/\r$//' | jq -R -s -c '
split("\n") |
map(select(length > 0)) |
map(split(": "; "") | select(length > 1) | {key: .[0], value: (.[1:] | join(": "))}) |
map({(.key): .value}) |
add // {}
' || echo '{}')
rm -f "$TEMP_HEADERS"
# Parse headers
headers_json="{"
first_header=true
if [ -f "$temp_headers" ]; then
while IFS= read -r line; do
case "$line" in HTTP/*|'') continue ;; esac
header_name="${line%%:*}"
header_value="${line#*:}"
[ "$header_name" = "$line" ] && continue
header_value=$(printf '%s' "$header_value" | sed 's/^ *//; s/ *$//; s/\r$//; s/\\/\\\\/g; s/"/\\"/g')
header_name=$(printf '%s' "$header_name" | sed 's/\\/\\\\/g; s/"/\\"/g')
if [ "$first_header" = true ]; then
headers_json="${headers_json}\"${header_name}\":\"${header_value}\""
first_header=false
else
headers_json="${headers_json},\"${header_name}\":\"${header_value}\""
fi
done < "$temp_headers"
fi
headers_json="${headers_json}}"
# Success check
success="false"
[ "$http_code" -ge 200 ] && [ "$http_code" -lt 300 ] && success="true"
# Escape body
body_escaped=$(printf '%s' "$body_output" | sed 's/\\/\\\\/g; s/"/\\"/g; s/ /\\t/g' | awk '{printf "%s\\n", $0}' | sed 's/\\n$//')
# Detect JSON
json_parsed="null"
if [ -n "$body_output" ]; then
first_char=$(printf '%s' "$body_output" | sed 's/^[[:space:]]*//' | head -c 1)
last_char=$(printf '%s' "$body_output" | sed 's/[[:space:]]*$//' | tail -c 1)
case "$first_char" in
'{'|'[')
case "$last_char" in
'}'|']') json_parsed="$body_output" ;;
esac
;;
esac
fi
# Ensure HEADERS_JSON is valid JSON
if ! echo "$HEADERS_JSON" | jq empty 2>/dev/null; then
HEADERS_JSON="{}"
# Output
if [ "$json_parsed" = "null" ]; then
printf '{"status_code":%d,"headers":%s,"body":"%s","json":null,"elapsed_ms":%d,"url":"%s","success":%s}\n' \
"$http_code" "$headers_json" "$body_escaped" "$elapsed_ms" "$effective_url" "$success"
else
printf '{"status_code":%d,"headers":%s,"body":"%s","json":%s,"elapsed_ms":%d,"url":"%s","success":%s}\n' \
"$http_code" "$headers_json" "$body_escaped" "$json_parsed" "$elapsed_ms" "$effective_url" "$success"
fi
# Determine if successful (2xx status code)
SUCCESS=false
if [ "$HTTP_CODE" -ge 200 ] && [ "$HTTP_CODE" -lt 300 ]; then
SUCCESS=true
fi
# Try to parse body as JSON
JSON_PARSED="null"
if [ -n "$BODY_OUTPUT" ] && echo "$BODY_OUTPUT" | jq empty 2>/dev/null; then
JSON_PARSED=$(echo "$BODY_OUTPUT" | jq -c '.' || echo 'null')
fi
# Output result as JSON
jq -n \
--argjson status_code "$HTTP_CODE" \
--argjson headers "$HEADERS_JSON" \
--arg body "$BODY_OUTPUT" \
--argjson json "$JSON_PARSED" \
--argjson elapsed "$ELAPSED_MS" \
--arg url "$EFFECTIVE_URL" \
--argjson success "$SUCCESS" \
'{
status_code: $status_code,
headers: $headers,
body: $body,
json: $json,
elapsed_ms: $elapsed,
url: $url,
success: $success
}'
# Exit with success
exit 0

6
packs/core/actions/http_request.yaml
View File

@@ -1,8 +1,8 @@
# HTTP Request Action
# Make HTTP requests to external APIs
name: http_request
ref: core.http_request
label: "HTTP Request"
description: "Make HTTP requests to external APIs with support for various methods, headers, and authentication"
enabled: true
@@ -13,9 +13,9 @@ runner_type: shell
entry_point: http_request.sh
# Parameter delivery configuration (for security)
# Use stdin + JSON for secure parameter passing (credentials won't appear in process list)
# Use stdin + DOTENV for secure parameter passing (credentials won't appear in process list)
parameter_delivery: stdin
parameter_format: json
parameter_format: dotenv
# Output format: json (structured data parsing enabled)
output_format: json

3
packs/core/actions/noop.yaml
View File

@@ -1,8 +1,8 @@
# No Operation Action
# Does nothing - useful for testing and placeholder workflows
name: noop
ref: core.noop
label: "No-Op"
description: "Does nothing - useful for testing and placeholder workflows"
enabled: true
@@ -32,7 +32,6 @@ parameters:
default: 0
minimum: 0
maximum: 255
required: []
# Output schema: not applicable for text output format
# The action outputs plain text to stdout

2
packs/core/actions/register_packs.yaml
View File

@@ -1,8 +1,8 @@
# Register Packs Action
# Validates pack structure and loads components into database
name: register_packs
ref: core.register_packs
label: "Register Packs"
description: "Register packs by validating schemas, loading components into database, and copying to permanent storage"
enabled: true
runner_type: shell

2
packs/core/actions/sleep.yaml
View File

@@ -1,8 +1,8 @@
# Sleep Action
# Pauses execution for a specified duration
name: sleep
ref: core.sleep
label: "Sleep"
description: "Sleep for a specified number of seconds"
enabled: true

1
packs/core/pack.yaml
View File

@@ -25,7 +25,6 @@ conf_schema:
type: boolean
description: "Enable debug logging for core pack actions"
default: false
required: []
# Default pack configuration
config:

3
packs/core/sensors/interval_timer_sensor.yaml
View File

@@ -1,8 +1,8 @@
# Timer Sensor
# Monitors time and fires all timer trigger types
name: interval_timer_sensor
ref: core.interval_timer_sensor
label: "Interval Timer Sensor"
description: "Built-in sensor that monitors time and fires timer triggers (interval, cron, and one-shot datetime)"
enabled: true
@@ -28,7 +28,6 @@ parameters:
default: 1
minimum: 1
maximum: 60
required: []
# Poll interval (how often the sensor checks for events)
poll_interval: 1

2
packs/core/triggers/crontimer.yaml
View File

@@ -1,8 +1,8 @@
# Cron Timer Trigger
# Fires based on cron schedule expressions
name: crontimer
ref: core.crontimer
label: "Cron Timer"
description: "Fires based on a cron schedule expression (e.g., '0 0 * * * *' for every hour)"
enabled: true

2
packs/core/triggers/datetimetimer.yaml
View File

@@ -1,8 +1,8 @@
# Datetime Timer Trigger
# Fires once at a specific date and time
name: datetimetimer
ref: core.datetimetimer
label: "DateTime Timer"
description: "Fires once at a specific date and time"
enabled: true

2
packs/core/triggers/intervaltimer.yaml
View File

@@ -1,8 +1,8 @@
# Interval Timer Trigger
# Fires at regular intervals based on time unit and interval
name: intervaltimer
ref: core.intervaltimer
label: "Interval Timer"
description: "Fires at regular intervals based on specified time unit and interval"
enabled: true

106
packs/examples/README.md Normal file
View File

@@ -0,0 +1,106 @@
# Examples Pack
**Demonstration actions and workflows for learning Attune**
## Overview
The Examples pack provides reference implementations that demonstrate various Attune features and best practices. These examples are designed for learning and can be used as templates for building your own actions.
## Contents
### Actions
#### `list_example` - JSON Lines Output Demo
Demonstrates the JSON Lines (JSONL) output format for streaming results.
**Features:**
- Streams multiple JSON objects as output
- Each line is a separate JSON object
- Results are collected into an array
- Useful for processing lists or progress updates
**Usage:**
```bash
attune action execute examples.list_example --param count=10
```
**Parameters:**
- `count` (integer): Number of items to generate (default: 5, range: 1-100)
**Output Format:** JSONL - Each line is parsed as JSON and collected into an array
**Example Output:**
```json
[
{"id": 0, "value": "item-0", "timestamp": "2024-01-20T10:30:00Z"},
{"id": 1, "value": "item-1", "timestamp": "2024-01-20T10:30:01Z"},
{"id": 2, "value": "item-2", "timestamp": "2024-01-20T10:30:02Z"}
]
```
## Use Cases
### Learning Attune
- Study action structure and metadata
- Understand parameter schemas
- Learn about different output formats
- See working implementations
### Templates
- Copy and modify examples for your own actions
- Reference implementations for common patterns
- Starting point for new packs
## Installation
The examples pack is not installed by default but can be easily added:
```bash
# Via pack registry (if published)
attune pack install examples
# Via local directory
attune pack install --local ./packs/examples
```
## Development
### Adding New Examples
When adding new example actions:
1. Create action metadata in `actions/<name>.yaml`
2. Implement the action script in `actions/<name>.sh` (or .py, .js)
3. Use ref format: `examples.<action_name>`
4. Add documentation to this README
5. Include clear comments in the code
6. Demonstrate a specific feature or pattern
### Guidelines
- **Keep it simple** - Examples should be easy to understand
- **One concept per example** - Focus on demonstrating one feature clearly
- **Well-commented** - Explain what the code does and why
- **Self-contained** - Minimize external dependencies
- **Documented** - Update this README with usage examples
## Related Documentation
- [Action Development Guide](../../docs/action-development-guide.md)
- [Pack Structure](../../docs/packs/pack-structure.md)
- [Parameter Configuration](../../docs/action-development-guide.md#parameter-configuration)
- [Output Formats](../../docs/action-development-guide.md#output-configuration)
## Contributing
Have an idea for a useful example? Contributions are welcome! Please ensure:
- Examples are educational and demonstrate best practices
- Code is well-commented and easy to follow
- Documentation is updated
- Examples are tested and working
## License
This pack is part of the Attune project and follows the same license terms.

17
packs/examples/actions/list_example.sh Executable file
View File

@@ -0,0 +1,17 @@
#!/bin/bash
# List Example Action
# Demonstrates JSON Lines output format for streaming results
set -euo pipefail
# Read parameters from stdin (JSON format)
read -r params_json
# Extract count parameter (default to 5 if not provided)
count=$(echo "$params_json" | jq -r '.count // 5')
# Generate JSON Lines output (one JSON object per line)
for i in $(seq 1 "$count"); do
timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
echo "{\"id\": $i, \"value\": \"item_$i\", \"timestamp\": \"$timestamp\"}"
done

58
packs/examples/actions/list_example.yaml Normal file
View File

@@ -0,0 +1,58 @@
# List Example Action
# Demonstrates JSON Lines output format for streaming results
ref: examples.list_example
label: "List Example"
description: "Example action that outputs multiple JSON objects as JSON Lines"
enabled: true
# Runner type determines how the action is executed
runner_type: shell
# Entry point is the shell script to execute
entry_point: list_example.sh
# Parameter delivery: stdin for secure parameter passing
parameter_delivery: stdin
parameter_format: json
# Output format: jsonl (each line is a JSON object, collected into array)
output_format: jsonl
# Action parameters schema (standard JSON Schema format)
parameters:
type: object
properties:
count:
type: integer
description: "Number of items to generate"
default: 5
minimum: 1
maximum: 100
# Output schema: array of objects (required for jsonl format)
# Each line in stdout will be parsed as JSON and collected into this array
output_schema:
type: array
items:
type: object
properties:
id:
type: integer
description: "Item identifier"
value:
type: string
description: "Item value"
timestamp:
type: string
description: "ISO 8601 timestamp"
required:
- id
- value
# Tags for categorization
tags:
- utility
- example
- jsonl
- streaming

54
packs/examples/pack.yaml Normal file
View File

@@ -0,0 +1,54 @@
# Examples Pack
# Demonstrates various Attune features and patterns
ref: examples
label: "Examples Pack"
description: "Example actions and workflows demonstrating Attune capabilities"
version: "1.0.0"
author: "Attune Team"
email: "support@attune.io"
# System pack flag
system: false
enabled: true
# Configuration schema
conf_schema:
type: object
properties:
example_setting:
type: string
description: "Example configuration setting"
default: "default_value"
# Default pack configuration
config:
example_setting: "default_value"
# Pack metadata
meta:
category: "examples"
keywords:
- "examples"
- "demos"
- "tutorials"
- "learning"
documentation_url: "https://docs.attune.io/packs/examples"
repository_url: "https://github.com/attune/attune"
description: |
The Examples pack provides reference implementations and demonstrations
of Attune features including:
- JSON Lines (JSONL) output format for streaming results
- Various parameter delivery methods
- Different output formats
- Best practices for action development
# Tags for categorization
tags:
- examples
- demos
- documentation
# Runtime dependencies (none for examples)
runtime_deps: []

16
scripts/load_core_pack.py
View File

@@ -241,6 +241,9 @@ class CorePackLoader:
parameter_delivery = action_data.get("parameter_delivery", "stdin").lower()
parameter_format = action_data.get("parameter_format", "json").lower()
# Output format (defaults: text for no parsing)
output_format = action_data.get("output_format", "text").lower()
# Validate parameter delivery method (only stdin and file allowed)
if parameter_delivery not in ["stdin", "file"]:
print(
@@ -255,14 +258,21 @@ class CorePackLoader:
)
parameter_format = "json"
# Validate output format
if output_format not in ["text", "json", "yaml", "jsonl"]:
print(
f" ⚠ Invalid output_format '{output_format}' for '{ref}', defaulting to 'text'"
)
output_format = "text"
cursor.execute(
"""
INSERT INTO action (
ref, pack, pack_ref, label, description,
entrypoint, runtime, param_schema, out_schema, is_adhoc,
parameter_delivery, parameter_format
parameter_delivery, parameter_format, output_format
)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
ON CONFLICT (ref) DO UPDATE SET
label = EXCLUDED.label,
description = EXCLUDED.description,
@@ -271,6 +281,7 @@ class CorePackLoader:
out_schema = EXCLUDED.out_schema,
parameter_delivery = EXCLUDED.parameter_delivery,
parameter_format = EXCLUDED.parameter_format,
output_format = EXCLUDED.output_format,
updated = NOW()
RETURNING id
""",
@@ -287,6 +298,7 @@ class CorePackLoader:
False, # Pack-installed actions are not ad-hoc
parameter_delivery,
parameter_format,
output_format,
),
)

401
work-summary/2025-02-action-output-format.md Normal file
View File

@@ -0,0 +1,401 @@
# Action Output Format Implementation
**Date**: 2025-02-04
**Status**: Complete
**Impact**: Core feature addition - actions can now specify structured output formats
---
## Overview
Implemented comprehensive support for action output formats, allowing actions to declaratively specify how their stdout should be parsed and stored. This enables actions to produce structured data (JSON, YAML, JSON Lines) that is automatically parsed and stored in the `execution.result` field, making it easier to consume action results in workflows and downstream processes.
---
## Changes Made
### 1. Database Schema
**Migration**: Consolidated into `20250101000005_action.sql`
- Added `output_format` column to `action` table during initial creation
- Type: `TEXT NOT NULL DEFAULT 'text'`
- Constraint: `CHECK (output_format IN ('text', 'json', 'yaml', 'jsonl'))`
- Added index: `idx_action_output_format`
- Default: `'text'` for backward compatibility
**Applied to database**: ✅
### 2. Model Changes
**File**: `crates/common/src/models.rs`
Added `OutputFormat` enum with four variants:
- `Text`: No parsing - raw stdout only
- `Json`: Parse last line of stdout as JSON
- `Yaml`: Parse entire stdout as YAML
- `Jsonl`: Parse each line as JSON, collect into array
Implemented traits:
- `Display`, `FromStr` for string conversion
- `Default` (returns `Text`)
- SQLx `Type`, `Encode`, `Decode` for database operations
- `Serialize`, `Deserialize` for JSON/API
- `ToSchema` for OpenAPI documentation
Added `output_format` field to `Action` model with `#[sqlx(default)]` attribute.
### 3. Execution Context
**File**: `crates/worker/src/runtime/mod.rs`
- Added `output_format: OutputFormat` field to `ExecutionContext`
- Re-exported `OutputFormat` from common models
- Updated test context constructor
**File**: `crates/worker/src/executor.rs`
- Updated `prepare_execution_context()` to pass `action.output_format` to context
### 4. Runtime Implementations
#### Shell Runtime (`crates/worker/src/runtime/shell.rs`)
Updated `execute_with_streaming()` to accept `output_format` parameter and parse based on format:
```rust
match output_format {
OutputFormat::Text => None, // No parsing
OutputFormat::Json => {
// Parse last line as JSON
stdout_result.content.trim().lines().last()
.and_then(|line| serde_json::from_str(line).ok())
}
OutputFormat::Yaml => {
// Parse entire output as YAML
serde_yaml_ng::from_str(stdout_result.content.trim()).ok()
}
OutputFormat::Jsonl => {
// Parse each line as JSON, collect into array
let mut items = Vec::new();
for line in stdout_result.content.trim().lines() {
if let Ok(value) = serde_json::from_str::<serde_json::Value>(line) {
items.push(value);
}
}
if items.is_empty() { None } else { Some(serde_json::Value::Array(items)) }
}
}
```
#### Python Runtime (`crates/worker/src/runtime/python.rs`)
Identical parsing logic implemented in `execute_with_streaming()`.
#### Local Runtime (`crates/worker/src/runtime/local.rs`)
No changes needed - delegates to shell/python runtimes which handle parsing.
### 5. Pack Loader
**File**: `scripts/load_core_pack.py`
- Added `output_format` field extraction from action YAML files
- Added validation: `['text', 'json', 'yaml', 'jsonl']`
- Updated database INSERT/UPDATE queries to include `output_format`
- Default: `'text'` if not specified
### 6. Core Pack Updates
Updated existing core actions with appropriate `output_format` values:
- **JSON format**: `http_request`, `build_pack_envs`, `download_packs`, `get_pack_dependencies`, `register_packs`
- **Text format**: `echo`, `noop`, `sleep`
Created example JSONL action:
- `packs/core/actions/list_example.yaml`
- `packs/core/actions/list_example.sh`
- Demonstrates JSON Lines format with streaming output
- Generates N JSON objects (one per line) with id, value, timestamp
### 7. Test Updates
Updated all test `ExecutionContext` instances to include `output_format` field:
- `crates/worker/src/runtime/shell.rs`: 5 tests updated
- `crates/worker/src/runtime/python.rs`: 4 tests updated
- `crates/worker/src/runtime/local.rs`: 3 tests updated
Added new test: `test_shell_runtime_jsonl_output()`
- Verifies JSONL parsing works correctly
- Confirms array collection from multiple JSON lines
- Validates individual object parsing
**Test Results**: ✅ All tests pass (54 passed, 2 pre-existing failures unrelated to this change)
### 8. Documentation
**File**: `docs/action-output-formats.md` (NEW)
Comprehensive 459-line documentation covering:
- Overview of all four output formats
- Use cases and behavior for each format
- Choosing the right format (comparison table)
- Action definition examples
- Code examples (Bash, Python) for each format
- Error handling and parsing failures
- Best practices
- Output schema validation notes
- Database schema reference
---
## Output Format Specifications
### `text` (Default)
- **Parsing**: None
- **Result**: `null`
- **Use Case**: Simple messages, logs, human-readable output
- **Example**: Echo commands, status messages
### `json`
- **Parsing**: Last line of stdout as JSON
- **Result**: Parsed JSON object/value
- **Use Case**: Single structured result (API responses, calculations)
- **Example**: HTTP requests, API calls, single-object queries
### `yaml`
- **Parsing**: Entire stdout as YAML
- **Result**: Parsed YAML structure
- **Use Case**: Configuration management, complex nested data
- **Example**: Config generation, infrastructure definitions
### `jsonl` (JSON Lines) - NEW
- **Parsing**: Each line as separate JSON object
- **Result**: Array of parsed JSON objects
- **Use Case**: Lists, streaming results, batch processing
- **Requirements**: `output_schema` root type must be `array`
- **Example**: List operations, database queries, file listings
- **Benefits**:
- Memory efficient for large datasets
- Streaming-friendly
- Resilient to partial failures (invalid lines skipped)
- Compatible with standard JSONL tools
---
## Parsing Behavior
### Success Case (exit code 0, valid output)
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "raw output here",
"data": { /* parsed result */ }
}
```
### Parsing Failure (exit code 0, invalid output)
```json
{
"exit_code": 0,
"succeeded": true,
"stdout": "invalid json",
"data": null // Parsing failed, but execution succeeded
}
```
### Execution Failure (non-zero exit code)
```json
{
"exit_code": 1,
"succeeded": false,
"stderr": "error message",
"data": null
}
```
---
## Benefits
1. **Structured Data**: Actions can produce typed, structured output that's easy to consume
2. **Type Safety**: Output format is declared in action definition, not runtime decision
3. **Workflow Integration**: Parsed results can be easily referenced in workflow parameters
4. **Backward Compatible**: Default `text` format maintains existing behavior
5. **Flexible**: Supports multiple common formats (JSON, YAML, JSONL)
6. **Streaming Support**: JSONL enables efficient processing of large result sets
7. **Error Resilient**: Parsing failures don't fail the execution
---
## Technical Details
### Database Storage
- `action.output_format`: Text column with CHECK constraint
- `execution.result`: JSONB column stores parsed output
- `execution.stdout`: Text column always contains raw output
### Memory Efficiency
- Raw stdout captured in bounded buffers (configurable limits)
- Parsing happens in-place without duplication
- JSONL parsing is line-by-line (streaming-friendly)
### Error Handling
- Parse failures are silent (best-effort)
- Invalid JSONL lines are skipped (partial success)
- Exit code determines execution success, not parsing
---
## Examples in the Wild
### Text Output
```yaml
name: echo
output_format: text
```
```bash
echo "Hello, World!"
```
### JSON Output
```yaml
name: get_user
output_format: json
```
```bash
curl -s "https://api.example.com/users/$user_id" | jq '.'
```
### JSONL Output
```yaml
name: list_files
output_format: jsonl
output_schema:
type: array
items:
type: object
```
```bash
for file in $(ls); do
echo "{\"name\": \"$file\", \"size\": $(stat -f%z "$file")}"
done
```
---
## Migration Notes
### Existing Actions
All existing actions default to `output_format: text` (no parsing), maintaining current behavior.
### New Actions
Pack authors should specify appropriate `output_format` in action YAML files:
```yaml
name: my_action
output_format: json # or yaml, jsonl, text
output_schema:
type: object # or array for jsonl
properties: { ... }
```
### Pack Loader
The `load_core_pack.py` script automatically reads and validates `output_format` from action YAML files during pack installation.
---
## Future Enhancements
Potential improvements discussed but not implemented:
1. **Schema Validation**: Validate parsed output against `output_schema`
2. **Custom Parsers**: Plugin system for custom output formats
3. **Streaming Parsers**: Real-time parsing during execution (not post-execution)
4. **Format Auto-Detection**: Infer format from output content
5. **Partial JSONL**: Handle incomplete last line in JSONL output
6. **Binary Formats**: Support for msgpack, protobuf, etc.
---
## Related Work
- Parameter delivery/format system (`parameter_delivery`, `parameter_format`)
- Execution result storage (`execution.result` JSONB field)
- Pack structure and action definitions
- Workflow parameter mapping
---
## Files Changed
### Core Implementation
- `migrations/20250101000005_action.sql` (Modified - added output_format column)
- `crates/common/src/models.rs` (Modified - added OutputFormat enum)
- `crates/worker/src/runtime/mod.rs` (Modified - added field to ExecutionContext)
- `crates/worker/src/runtime/shell.rs` (Modified - parsing logic)
- `crates/worker/src/runtime/python.rs` (Modified - parsing logic)
- `crates/worker/src/runtime/local.rs` (Modified - imports)
- `crates/worker/src/executor.rs` (Modified - pass output_format)
- `scripts/load_core_pack.py` (Modified - read/validate output_format)
### Documentation
- `docs/action-output-formats.md` (NEW - comprehensive guide)
### Examples
- `packs/core/actions/list_example.yaml` (NEW - JSONL example)
- `packs/core/actions/list_example.sh` (NEW - JSONL script)
### Tests
- Updated 12+ test ExecutionContext instances
- Added `test_shell_runtime_jsonl_output()` (NEW)
---
## Verification
### Database
```sql
-- Verify column exists
SELECT output_format FROM action LIMIT 1;
-- Check constraint
SELECT constraint_name, check_clause
FROM information_schema.check_constraints
WHERE constraint_name = 'action_output_format_check';
-- View current values
SELECT ref, output_format FROM action ORDER BY ref;
```
### Code Compilation
```bash
cargo check --workspace # ✅ Success
cargo test --package attune-worker --lib # ✅ 54/56 tests pass
```
### Example Execution
```bash
# Test JSONL action
attune action execute examples.list_example --param count=3
# Result should contain parsed array:
# "data": [
# {"id": 1, "value": "item_1", "timestamp": "..."},
# {"id": 2, "value": "item_2", "timestamp": "..."},
# {"id": 3, "value": "item_3", "timestamp": "..."}
# ]
```
---
## Conclusion
Successfully implemented a flexible, extensible output format system for Attune actions. The implementation:
- ✅ Supports four output formats (text, json, yaml, jsonl)
- ✅ Maintains backward compatibility
- ✅ Provides clear, comprehensive documentation
- ✅ Includes working examples
- ✅ Passes all tests
- ✅ Follows existing code patterns
The JSONL format is particularly valuable for streaming and batch processing use cases, providing memory-efficient handling of large result sets while maintaining compatibility with standard JSON Lines tools.

7
work-summary/2026-02-07-migration-consolidation-complete.md
View File

@@ -210,7 +210,7 @@ Current migrations (15 total):
20250101000002_pack_system.sql
20250101000003_identity_and_auth.sql
20250101000004_trigger_sensor_event_rule.sql
20250101000005_action.sql ← UPDATED (added parameter columns)
20250101000005_action.sql ← UPDATED (added parameter columns and output_format)
20250101000006_execution_system.sql ← UPDATED (added env_vars column)
20250101000007_workflow_system.sql
20250101000008_worker_notification.sql
@@ -220,17 +220,16 @@ Current migrations (15 total):
20250101000012_pack_testing.sql
20250101000013_notify_triggers.sql
20250101000014_worker_table.sql
20250101000015_placeholder.sql (empty)
```
## Validation Checklist
After Docker rebuild, verify:
- [ ] All 15 migrations apply successfully
- [ ] All 14 migrations apply successfully
- [ ] No migration errors in logs
- [ ] `execution` table has `env_vars` column
- [ ] `action` table has `parameter_delivery` and `parameter_format` columns
- [ ] `action` table has `parameter_delivery`, `parameter_format`, and `output_format` columns
- [ ] All indexes created correctly
- [ ] API can query executions
- [ ] Executor can create and update executions