Files
attune/crates/worker/src/runtime/shell.rs

924 lines
34 KiB
Rust

//! Shell Runtime Implementation
//!
//! Executes shell scripts and commands using subprocess execution.
use super::{
parameter_passing::{self, ParameterDeliveryConfig},
BoundedLogWriter, ExecutionContext, ExecutionResult, OutputFormat, Runtime, RuntimeError,
RuntimeResult,
};
use async_trait::async_trait;
use std::collections::HashMap;
use std::path::PathBuf;
use std::process::Stdio;
use std::time::Instant;
use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
use tokio::process::Command;
use tokio::time::timeout;
use tracing::{debug, info, warn};
/// Escape a string for embedding inside a bash single-quoted string.
///
/// In single-quoted strings the only problematic character is `'` itself.
/// We close the current single-quote, insert an escaped single-quote, and
/// reopen: `'foo'\''bar'` → `foo'bar`.
fn bash_single_quote_escape(s: &str) -> String {
s.replace('\'', "'\\''")
}
/// Shell runtime for executing shell scripts and commands
pub struct ShellRuntime {
/// Shell interpreter path (bash, sh, zsh, etc.)
shell_path: PathBuf,
/// Base directory for storing action code
work_dir: PathBuf,
}
impl ShellRuntime {
/// Create a new Shell runtime with bash
pub fn new() -> Self {
Self {
shell_path: PathBuf::from("/bin/bash"),
work_dir: PathBuf::from("/tmp/attune/actions"),
}
}
/// Create a Shell runtime with custom shell
pub fn with_shell(shell_path: PathBuf) -> Self {
Self {
shell_path,
work_dir: PathBuf::from("/tmp/attune/actions"),
}
}
/// Create a Shell runtime with custom settings
pub fn with_config(shell_path: PathBuf, work_dir: PathBuf) -> Self {
Self {
shell_path,
work_dir,
}
}
/// Execute with streaming and bounded log collection
async fn execute_with_streaming(
&self,
mut cmd: Command,
secrets: &std::collections::HashMap<String, String>,
parameters_stdin: Option<&str>,
timeout_secs: Option<u64>,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
let start = Instant::now();
// Spawn process with piped I/O
let mut child = cmd
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.spawn()?;
// Write to stdin - parameters (if using stdin delivery) and/or secrets
// If this fails, the process has already started, so we continue and capture output
let stdin_write_error = if let Some(mut stdin) = child.stdin.take() {
let mut error = None;
// Write parameters first if using stdin delivery.
// Skip empty/trivial content ("{}","","[]") to avoid polluting stdin
// before secrets — scripts that read secrets via readline() expect
// the secrets JSON as the first line.
let has_real_params = parameters_stdin
.map(|s| !matches!(s.trim(), "" | "{}" | "[]"))
.unwrap_or(false);
if let Some(params_data) = parameters_stdin {
if has_real_params {
if let Err(e) = stdin.write_all(params_data.as_bytes()).await {
error = Some(format!("Failed to write parameters to stdin: {}", e));
} else if let Err(e) = stdin.write_all(b"\n---ATTUNE_PARAMS_END---\n").await {
error = Some(format!("Failed to write parameter delimiter: {}", e));
}
}
}
// Write secrets as JSON (always, for backward compatibility)
if error.is_none() && !secrets.is_empty() {
match serde_json::to_string(secrets) {
Ok(secrets_json) => {
if let Err(e) = stdin.write_all(secrets_json.as_bytes()).await {
error = Some(format!("Failed to write secrets to stdin: {}", e));
} else if let Err(e) = stdin.write_all(b"\n").await {
error = Some(format!("Failed to write newline to stdin: {}", e));
}
}
Err(e) => error = Some(format!("Failed to serialize secrets: {}", e)),
}
}
drop(stdin);
error
} else {
None
};
// Create bounded writers
let mut stdout_writer = BoundedLogWriter::new_stdout(max_stdout_bytes);
let mut stderr_writer = BoundedLogWriter::new_stderr(max_stderr_bytes);
// Take stdout and stderr streams
let stdout = child.stdout.take().expect("stdout not captured");
let stderr = child.stderr.take().expect("stderr not captured");
// Create buffered readers
let mut stdout_reader = BufReader::new(stdout);
let mut stderr_reader = BufReader::new(stderr);
// Stream both outputs concurrently
let stdout_task = async {
let mut line = Vec::new();
loop {
line.clear();
match stdout_reader.read_until(b'\n', &mut line).await {
Ok(0) => break, // EOF
Ok(_) => {
if stdout_writer.write_all(&line).await.is_err() {
break;
}
}
Err(_) => break,
}
}
stdout_writer
};
let stderr_task = async {
let mut line = Vec::new();
loop {
line.clear();
match stderr_reader.read_until(b'\n', &mut line).await {
Ok(0) => break, // EOF
Ok(_) => {
if stderr_writer.write_all(&line).await.is_err() {
break;
}
}
Err(_) => break,
}
}
stderr_writer
};
// Wait for both streams and the process
let (stdout_writer, stderr_writer, wait_result) =
tokio::join!(stdout_task, stderr_task, async {
if let Some(timeout_secs) = timeout_secs {
timeout(std::time::Duration::from_secs(timeout_secs), child.wait()).await
} else {
Ok(child.wait().await)
}
});
let duration_ms = start.elapsed().as_millis() as u64;
// Get results from bounded writers - we have these regardless of wait() success
let stdout_result = stdout_writer.into_result();
let stderr_result = stderr_writer.into_result();
// Handle process wait result
let (exit_code, process_error) = match wait_result {
Ok(Ok(status)) => (status.code().unwrap_or(-1), None),
Ok(Err(e)) => {
// Process wait failed, but we have the output - return it with an error
warn!("Process wait failed but captured output: {}", e);
(-1, Some(format!("Process wait failed: {}", e)))
}
Err(_) => {
// Timeout occurred
return Ok(ExecutionResult {
exit_code: -1,
stdout: stdout_result.content.clone(),
stderr: stderr_result.content.clone(),
result: None,
duration_ms,
error: Some(format!(
"Execution timed out after {} seconds",
timeout_secs.unwrap()
)),
stdout_truncated: stdout_result.truncated,
stderr_truncated: stderr_result.truncated,
stdout_bytes_truncated: stdout_result.bytes_truncated,
stderr_bytes_truncated: stderr_result.bytes_truncated,
});
}
};
debug!(
"Shell execution completed: exit_code={}, duration={}ms, stdout_truncated={}, stderr_truncated={}",
exit_code, duration_ms, stdout_result.truncated, stderr_result.truncated
);
// 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 full stdout as JSON first (handles multi-line JSON),
// then fall back to last line only (for scripts that log before output)
let trimmed = stdout_result.content.trim();
serde_json::from_str(trimmed).ok().or_else(|| {
trimmed
.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
};
// Determine error message
let error = if let Some(proc_err) = process_error {
Some(proc_err)
} else if let Some(stdin_err) = stdin_write_error {
// Ignore broken pipe errors for fast-exiting successful actions
// These occur when the process exits before we finish writing secrets to stdin
let is_broken_pipe =
stdin_err.contains("Broken pipe") || stdin_err.contains("os error 32");
let is_fast_exit = duration_ms < 500;
let is_success = exit_code == 0;
if is_broken_pipe && is_fast_exit && is_success {
debug!(
"Ignoring broken pipe error for fast-exiting successful action ({}ms)",
duration_ms
);
None
} else {
Some(stdin_err)
}
} else if exit_code != 0 {
Some(if stderr_result.content.is_empty() {
format!("Command exited with code {}", exit_code)
} else {
// Use last line of stderr as error, or full stderr if short
if stderr_result.content.lines().count() > 5 {
stderr_result
.content
.lines()
.last()
.unwrap_or("")
.to_string()
} else {
stderr_result.content.clone()
}
})
} else {
None
};
Ok(ExecutionResult {
exit_code,
// Only populate stdout if result wasn't parsed (avoid duplication)
stdout: if result.is_some() {
String::new()
} else {
stdout_result.content.clone()
},
stderr: stderr_result.content.clone(),
result,
duration_ms,
error,
stdout_truncated: stdout_result.truncated,
stderr_truncated: stderr_result.truncated,
stdout_bytes_truncated: stdout_result.bytes_truncated,
stderr_bytes_truncated: stderr_result.bytes_truncated,
})
}
/// Generate shell wrapper script that injects parameters and secrets directly.
///
/// Secrets are embedded as bash associative-array entries at generation time
/// so the wrapper has **zero external runtime dependencies** (no Python, jq,
/// etc.). The generated script is written to a temp file by the caller so
/// that secrets never appear in `/proc/<pid>/cmdline`.
fn generate_wrapper_script(&self, context: &ExecutionContext) -> RuntimeResult<String> {
let mut script = String::new();
// Add shebang
script.push_str("#!/bin/bash\n");
script.push_str("set -e\n\n"); // Exit on error
// Populate secrets associative array directly from Rust — no stdin
// reading, no JSON parsing, no external interpreters.
script.push_str("# Secrets (injected at generation time, not via environment)\n");
script.push_str("declare -A ATTUNE_SECRETS\n");
for (key, value) in &context.secrets {
let escaped_key = bash_single_quote_escape(key);
let escaped_val = bash_single_quote_escape(value);
script.push_str(&format!(
"ATTUNE_SECRETS['{}']='{}'\n",
escaped_key, escaped_val
));
}
script.push('\n');
// Helper function to get secrets
script.push_str("# Helper function to access secrets\n");
script.push_str("get_secret() {\n");
script.push_str(" local name=\"$1\"\n");
script.push_str(" echo \"${ATTUNE_SECRETS[$name]}\"\n");
script.push_str("}\n\n");
// Export parameters as environment variables
script.push_str("# Action parameters\n");
for (key, value) in &context.parameters {
let value_str = match value {
serde_json::Value::String(s) => s.clone(),
serde_json::Value::Number(n) => n.to_string(),
serde_json::Value::Bool(b) => b.to_string(),
_ => serde_json::to_string(value)?,
};
let escaped = bash_single_quote_escape(&value_str);
// Export with PARAM_ prefix for consistency
script.push_str(&format!(
"export PARAM_{}='{}'\n",
key.to_uppercase(),
escaped
));
// Also export without prefix for easier shell script writing
script.push_str(&format!("export {}='{}'\n", key, escaped));
}
script.push('\n');
// Add the action code
script.push_str("# Action code\n");
if let Some(code) = &context.code {
script.push_str(code);
}
Ok(script)
}
/// Execute shell script from file
async fn execute_shell_file(
&self,
script_path: PathBuf,
secrets: &std::collections::HashMap<String, String>,
env: &std::collections::HashMap<String, String>,
parameters_stdin: Option<&str>,
timeout_secs: Option<u64>,
max_stdout_bytes: usize,
max_stderr_bytes: usize,
output_format: OutputFormat,
) -> RuntimeResult<ExecutionResult> {
debug!(
"Executing shell file: {:?} with {} secrets",
script_path,
secrets.len()
);
// Build command
let mut cmd = Command::new(&self.shell_path);
cmd.arg(&script_path);
// Add environment variables
for (key, value) in env {
cmd.env(key, value);
}
self.execute_with_streaming(
cmd,
secrets,
parameters_stdin,
timeout_secs,
max_stdout_bytes,
max_stderr_bytes,
output_format,
)
.await
}
}
impl Default for ShellRuntime {
fn default() -> Self {
Self::new()
}
}
#[async_trait]
impl Runtime for ShellRuntime {
fn name(&self) -> &str {
"shell"
}
fn can_execute(&self, context: &ExecutionContext) -> bool {
// Check if action reference suggests shell script
let is_shell = context.action_ref.contains(".sh")
|| context.entry_point.ends_with(".sh")
|| context
.code_path
.as_ref()
.map(|p| p.extension().and_then(|e| e.to_str()) == Some("sh"))
.unwrap_or(false)
|| context.entry_point == "bash"
|| context.entry_point == "sh"
|| context.entry_point == "shell";
is_shell
}
async fn execute(&self, context: ExecutionContext) -> RuntimeResult<ExecutionResult> {
info!(
"Executing shell action: {} (execution_id: {}) with parameter delivery: {:?}, format: {:?}",
context.action_ref, context.execution_id, context.parameter_delivery, context.parameter_format
);
info!(
"Action parameters (count: {}): {:?}",
context.parameters.len(),
context.parameters
);
// Prepare environment and parameters according to delivery method
let mut env = context.env.clone();
let config = ParameterDeliveryConfig {
delivery: context.parameter_delivery,
format: context.parameter_format,
};
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();
if let Some(stdin_data) = parameters_stdin {
info!(
"Parameters to be sent via stdin (length: {} bytes):\n{}",
stdin_data.len(),
stdin_data
);
} else {
info!("No parameters will be sent via stdin");
}
// If code_path is provided, execute the file directly
if let Some(code_path) = &context.code_path {
return self
.execute_shell_file(
code_path.clone(),
&context.secrets,
&env,
parameters_stdin,
context.timeout,
context.max_stdout_bytes,
context.max_stderr_bytes,
context.output_format,
)
.await;
}
// Otherwise, generate wrapper script and execute.
// Secrets and parameters are embedded directly in the wrapper script
// by generate_wrapper_script(), so we write it to a temp file (to keep
// secrets out of /proc/cmdline) and pass no secrets/params via stdin.
let script = self.generate_wrapper_script(&context)?;
// Write wrapper to a temp file so secrets are not exposed in the
// process command line (which would happen with `bash -c "..."`).
let wrapper_dir = self.work_dir.join("wrappers");
tokio::fs::create_dir_all(&wrapper_dir).await.map_err(|e| {
RuntimeError::ExecutionFailed(format!("Failed to create wrapper directory: {}", e))
})?;
let wrapper_path = wrapper_dir.join(format!("wrapper_{}.sh", context.execution_id));
tokio::fs::write(&wrapper_path, &script)
.await
.map_err(|e| {
RuntimeError::ExecutionFailed(format!("Failed to write wrapper script: {}", e))
})?;
let result = self
.execute_shell_file(
wrapper_path.clone(),
&HashMap::new(), // secrets are in the script, not stdin
&env,
None,
context.timeout,
context.max_stdout_bytes,
context.max_stderr_bytes,
context.output_format,
)
.await;
// Clean up wrapper file (best-effort)
let _ = tokio::fs::remove_file(&wrapper_path).await;
result
}
async fn setup(&self) -> RuntimeResult<()> {
info!("Setting up Shell runtime");
// Ensure work directory exists
tokio::fs::create_dir_all(&self.work_dir)
.await
.map_err(|e| RuntimeError::SetupError(format!("Failed to create work dir: {}", e)))?;
// Verify shell is available
let output = Command::new(&self.shell_path)
.arg("--version")
.output()
.await
.map_err(|e| {
RuntimeError::SetupError(format!("Shell not found at {:?}: {}", self.shell_path, e))
})?;
if !output.status.success() {
return Err(RuntimeError::SetupError(
"Shell interpreter is not working".to_string(),
));
}
let version = String::from_utf8_lossy(&output.stdout);
info!("Shell runtime ready: {}", version.trim());
Ok(())
}
async fn cleanup(&self) -> RuntimeResult<()> {
info!("Cleaning up Shell runtime");
// Could clean up temporary files here
Ok(())
}
async fn validate(&self) -> RuntimeResult<()> {
debug!("Validating Shell runtime");
// Check if shell is available
let output = Command::new(&self.shell_path)
.arg("-c")
.arg("echo 'test'")
.output()
.await
.map_err(|e| RuntimeError::SetupError(format!("Shell validation failed: {}", e)))?;
if !output.status.success() {
return Err(RuntimeError::SetupError(
"Shell interpreter validation failed".to_string(),
));
}
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::collections::HashMap;
#[tokio::test]
async fn test_shell_runtime_simple() {
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 1,
action_ref: "test.simple".to_string(),
parameters: HashMap::new(),
env: HashMap::new(),
secrets: HashMap::new(),
timeout: Some(10),
working_dir: None,
entry_point: "shell".to_string(),
code: Some("echo 'Hello, World!'".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::default(),
};
let result = runtime.execute(context).await.unwrap();
assert!(result.is_success());
assert_eq!(result.exit_code, 0);
assert!(result.stdout.contains("Hello, World!"));
}
#[tokio::test]
async fn test_shell_runtime_with_params() {
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 2,
action_ref: "test.params".to_string(),
parameters: {
let mut map = HashMap::new();
map.insert("name".to_string(), serde_json::json!("Alice"));
map
},
env: HashMap::new(),
secrets: HashMap::new(),
timeout: Some(10),
working_dir: None,
entry_point: "shell".to_string(),
code: Some("echo \"Hello, $name!\"".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::default(),
};
let result = runtime.execute(context).await.unwrap();
assert!(result.is_success());
assert!(result.stdout.contains("Hello, Alice!"));
}
#[tokio::test]
async fn test_shell_runtime_timeout() {
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 3,
action_ref: "test.timeout".to_string(),
parameters: HashMap::new(),
env: HashMap::new(),
secrets: HashMap::new(),
timeout: Some(1),
working_dir: None,
entry_point: "shell".to_string(),
code: Some("sleep 10".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::default(),
};
let result = runtime.execute(context).await.unwrap();
assert!(!result.is_success());
assert!(result.error.is_some());
let error_msg = result.error.unwrap();
assert!(error_msg.contains("timeout") || error_msg.contains("timed out"));
}
#[tokio::test]
async fn test_shell_runtime_error() {
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 4,
action_ref: "test.error".to_string(),
parameters: HashMap::new(),
env: HashMap::new(),
secrets: HashMap::new(),
timeout: Some(10),
working_dir: None,
entry_point: "shell".to_string(),
code: Some("exit 1".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::default(),
};
let result = runtime.execute(context).await.unwrap();
assert!(!result.is_success());
assert_eq!(result.exit_code, 1);
}
#[tokio::test]
async fn test_shell_runtime_with_secrets() {
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 5,
action_ref: "test.secrets".to_string(),
parameters: HashMap::new(),
env: HashMap::new(),
secrets: {
let mut s = HashMap::new();
s.insert("api_key".to_string(), "secret_key_12345".to_string());
s.insert("db_password".to_string(), "super_secret_pass".to_string());
s
},
timeout: Some(10),
working_dir: None,
entry_point: "shell".to_string(),
code: Some(
r#"
# Access secrets via get_secret function
api_key=$(get_secret 'api_key')
db_pass=$(get_secret 'db_password')
missing=$(get_secret 'nonexistent')
echo "api_key=$api_key"
echo "db_pass=$db_pass"
echo "missing=$missing"
"#
.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::default(),
};
let result = runtime.execute(context).await.unwrap();
assert!(result.is_success());
assert_eq!(result.exit_code, 0);
// Verify secrets are accessible in action code
assert!(result.stdout.contains("api_key=secret_key_12345"));
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 stdout is not populated when result is parsed (avoid duplication)
assert!(
result.stdout.is_empty(),
"stdout should be empty when result is parsed"
);
// 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");
}
#[tokio::test]
async fn test_shell_runtime_multiline_json_output() {
// Regression test: scripts that embed pretty-printed JSON (e.g., http_request.sh
// embedding a multi-line response body in its "json" field) produce multi-line
// stdout. The parser must handle this by trying to parse the full stdout as JSON
// before falling back to last-line parsing.
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 7,
action_ref: "test.multiline_json".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#"
# Simulate http_request.sh output with embedded pretty-printed JSON
printf '{"status_code":200,"body":"hello","json":{\n "args": {\n "hello": "world"\n },\n "url": "https://example.com"\n},"success":true}\n'
"#
.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::Json,
};
let result = runtime.execute(context).await.unwrap();
assert!(result.is_success());
assert_eq!(result.exit_code, 0);
// Verify result was parsed (not stored as raw stdout)
let parsed = result
.result
.expect("Multi-line JSON should be parsed successfully");
assert_eq!(parsed["status_code"], 200);
assert_eq!(parsed["success"], true);
assert_eq!(parsed["json"]["args"]["hello"], "world");
// stdout should be empty when result is successfully parsed
assert!(
result.stdout.is_empty(),
"stdout should be empty when result is parsed, got: {}",
result.stdout
);
}
#[tokio::test]
async fn test_shell_runtime_json_with_log_prefix() {
// Verify last-line fallback still works: scripts that log to stdout
// before the final JSON line should still parse correctly.
let runtime = ShellRuntime::new();
let context = ExecutionContext {
execution_id: 8,
action_ref: "test.json_with_logs".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 "Starting action..."
echo "Processing data..."
echo '{"result": "success", "count": 42}'
"#
.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::Json,
};
let result = runtime.execute(context).await.unwrap();
assert!(result.is_success());
let parsed = result.result.expect("Last-line JSON should be parsed");
assert_eq!(parsed["result"], "success");
assert_eq!(parsed["count"], 42);
}
}