563 lines
18 KiB
Rust
563 lines
18 KiB
Rust
use std::{collections::HashMap, fs, process::Stdio};
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use regex::Regex;
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use serde_json::{json, value::RawValue};
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use sqlx::types::Json;
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use tokio::process::Command;
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use windmill_common::{
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error::Error,
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jobs::QueuedJob,
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worker::{to_raw_value, write_file},
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};
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use windmill_queue::{append_logs, CanceledBy};
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lazy_static::lazy_static! {
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pub static ref BIN_BASH: String = std::env::var("BASH_PATH").unwrap_or_else(|_| "/bin/bash".to_string());
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}
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const NSJAIL_CONFIG_RUN_BASH_CONTENT: &str = include_str!("../nsjail/run.bash.config.proto");
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const NSJAIL_CONFIG_RUN_POWERSHELL_CONTENT: &str =
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include_str!("../nsjail/run.powershell.config.proto");
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lazy_static::lazy_static! {
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static ref RE_POWERSHELL_IMPORTS: Regex = Regex::new(r#"^Import-Module\s+(?:-Name\s+)?"?([^-\s"]+)"?"#).unwrap();
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}
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use crate::{
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common::{
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build_args_map, get_reserved_variables, read_file, read_file_content, start_child_process,
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OccupancyMetrics,
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},
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handle_child::handle_child,
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AuthedClientBackgroundTask, DISABLE_NSJAIL, DISABLE_NUSER, HOME_ENV, NSJAIL_PATH, PATH_ENV,
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POWERSHELL_CACHE_DIR, POWERSHELL_PATH, TZ_ENV,
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};
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#[cfg(windows)]
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use crate::SYSTEM_ROOT;
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lazy_static::lazy_static! {
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pub static ref ANSI_ESCAPE_RE: Regex = Regex::new(r"\x1b\[[0-9;]*m").unwrap();
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}
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#[tracing::instrument(level = "trace", skip_all)]
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pub async fn handle_bash_job(
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mem_peak: &mut i32,
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canceled_by: &mut Option<CanceledBy>,
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job: &QueuedJob,
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db: &sqlx::Pool<sqlx::Postgres>,
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client: &AuthedClientBackgroundTask,
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content: &str,
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job_dir: &str,
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shared_mount: &str,
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base_internal_url: &str,
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worker_name: &str,
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envs: HashMap<String, String>,
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occupancy_metrics: &mut OccupancyMetrics,
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) -> Result<Box<RawValue>, Error> {
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let logs1 = "\n\n--- BASH CODE EXECUTION ---\n".to_string();
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append_logs(&job.id, &job.workspace_id, logs1, db).await;
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write_file(job_dir, "main.sh", &format!("set -e\n{content}"))?;
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let script = format!(
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r#"
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set -o pipefail
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set -e
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# Function to kill child processes
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cleanup() {{
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echo "Terminating child processes..."
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# Ignore SIGTERM and SIGINT
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trap '' SIGTERM SIGINT
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# Kill the process group of the script (negative PID value)
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pkill -P $$
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exit
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}}
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# Trap SIGTERM (or other signals) and call cleanup function
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trap cleanup SIGTERM SIGINT
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# Create a named pipe
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mkfifo bp
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# Start background processes
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cat bp | tail -1 >> ./result2.out &
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# Run main.sh in the same process group
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{bash} ./main.sh "$@" 2>&1 | tee bp &
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# Wait for all background processes to finish
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wait
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"#,
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bash = BIN_BASH.as_str(),
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);
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write_file(job_dir, "wrapper.sh", &script)?;
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let token = client.get_token().await;
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let mut reserved_variables = get_reserved_variables(job, &token, db).await?;
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reserved_variables.insert("RUST_LOG".to_string(), "info".to_string());
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let args = build_args_map(job, client, db).await?.map(Json);
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let job_args = if args.is_some() {
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args.as_ref()
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} else {
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job.args.as_ref()
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};
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let args_owned = windmill_parser_bash::parse_bash_sig(&content)?
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.args
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.iter()
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.map(|arg| {
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job_args
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.and_then(|x| x.get(&arg.name).map(|x| raw_to_string(x.get())))
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.unwrap_or_else(String::new)
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})
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.collect::<Vec<String>>();
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let args = args_owned.iter().map(|s| &s[..]).collect::<Vec<&str>>();
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let _ = write_file(job_dir, "result.json", "")?;
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let _ = write_file(job_dir, "result.out", "")?;
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let _ = write_file(job_dir, "result2.out", "")?;
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let child = if !*DISABLE_NSJAIL {
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let _ = write_file(
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job_dir,
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"run.config.proto",
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&NSJAIL_CONFIG_RUN_BASH_CONTENT
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.replace("{JOB_DIR}", job_dir)
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.replace("{CLONE_NEWUSER}", &(!*DISABLE_NUSER).to_string())
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.replace("{SHARED_MOUNT}", shared_mount),
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)?;
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let mut cmd_args = vec![
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"--config",
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"run.config.proto",
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"--",
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BIN_BASH.as_str(),
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"wrapper.sh",
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];
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cmd_args.extend(args);
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let mut nsjail_cmd = Command::new(NSJAIL_PATH.as_str());
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nsjail_cmd
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.current_dir(job_dir)
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.env_clear()
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.envs(reserved_variables)
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.env("PATH", PATH_ENV.as_str())
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.env("BASE_INTERNAL_URL", base_internal_url)
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.args(cmd_args)
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.stdout(Stdio::piped())
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.stderr(Stdio::piped());
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start_child_process(nsjail_cmd, NSJAIL_PATH.as_str()).await?
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} else {
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let mut cmd_args = vec!["wrapper.sh"];
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cmd_args.extend(&args);
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let mut bash_cmd = Command::new(BIN_BASH.as_str());
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bash_cmd
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.current_dir(job_dir)
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.env_clear()
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.envs(envs)
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.envs(reserved_variables)
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.env("PATH", PATH_ENV.as_str())
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.env("BASE_INTERNAL_URL", base_internal_url)
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.env("HOME", HOME_ENV.as_str())
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.args(cmd_args)
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.stdout(Stdio::piped())
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.stderr(Stdio::piped());
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start_child_process(bash_cmd, BIN_BASH.as_str()).await?
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};
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handle_child(
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&job.id,
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db,
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mem_peak,
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canceled_by,
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child,
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!*DISABLE_NSJAIL,
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worker_name,
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&job.workspace_id,
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"bash run",
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job.timeout,
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true,
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&mut Some(occupancy_metrics),
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)
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.await?;
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let result_json_path = format!("{job_dir}/result.json");
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if let Ok(metadata) = tokio::fs::metadata(&result_json_path).await {
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if metadata.len() > 0 {
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return Ok(read_file(&result_json_path).await?);
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}
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}
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let result_out_path = format!("{job_dir}/result.out");
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if let Ok(metadata) = tokio::fs::metadata(&result_out_path).await {
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if metadata.len() > 0 {
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let result = read_file_content(&result_out_path).await?;
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return Ok(to_raw_value(&json!(result)));
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}
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}
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let result_out_path2 = format!("{job_dir}/result2.out");
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if tokio::fs::metadata(&result_out_path2).await.is_ok() {
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let result = read_file_content(&result_out_path2)
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.await?
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.trim()
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.to_string();
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return Ok(to_raw_value(&json!(result)));
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}
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Ok(to_raw_value(&json!(
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"No result.out, result2.out or result.json found"
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)))
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}
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fn raw_to_string(x: &str) -> String {
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match serde_json::from_str::<serde_json::Value>(x) {
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Ok(serde_json::Value::String(x)) => x,
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Ok(x) => serde_json::to_string(&x).unwrap_or_else(|_| String::new()),
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_ => String::new(),
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}
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}
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#[tracing::instrument(level = "trace", skip_all)]
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pub async fn handle_powershell_job(
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mem_peak: &mut i32,
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canceled_by: &mut Option<CanceledBy>,
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job: &QueuedJob,
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db: &sqlx::Pool<sqlx::Postgres>,
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client: &AuthedClientBackgroundTask,
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content: &str,
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job_dir: &str,
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shared_mount: &str,
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base_internal_url: &str,
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worker_name: &str,
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envs: HashMap<String, String>,
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occupancy_metrics: &mut OccupancyMetrics,
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) -> Result<Box<RawValue>, Error> {
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let pwsh_args = {
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let args = build_args_map(job, client, db).await?.map(Json);
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let job_args = if args.is_some() {
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args.as_ref()
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} else {
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job.args.as_ref()
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};
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let args_owned = windmill_parser_bash::parse_powershell_sig(&content)?
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.args
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.iter()
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.map(|arg| {
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(
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arg.name.clone(),
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job_args
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.and_then(|x| x.get(&arg.name).map(|x| raw_to_string(x.get())))
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.unwrap_or_else(String::new),
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)
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})
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.collect::<Vec<(String, String)>>();
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args_owned
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.iter()
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.map(|(n, v)| vec![format!("--{n}"), format!("{v}")])
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.flatten()
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.collect::<Vec<_>>()
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};
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#[cfg(windows)]
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let split_char = '\\';
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#[cfg(unix)]
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let split_char = '/';
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let installed_modules = fs::read_dir(POWERSHELL_CACHE_DIR)?
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.filter_map(|x| {
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x.ok().map(|x| {
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x.path()
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.display()
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.to_string()
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.split(split_char)
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.last()
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.unwrap_or_default()
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.to_lowercase()
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})
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})
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.collect::<Vec<String>>();
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let mut install_string: String = String::new();
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let mut logs1 = String::new();
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for line in content.lines() {
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for cap in RE_POWERSHELL_IMPORTS.captures_iter(line) {
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let module = cap.get(1).unwrap().as_str();
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if !installed_modules.contains(&module.to_lowercase()) {
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logs1.push_str(&format!("\n{} not found in cache", module.to_string()));
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// instead of using Install-Module, we use Save-Module so that we can specify the installation path
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install_string.push_str(&format!(
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"Save-Module -Path {} -Force {};",
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POWERSHELL_CACHE_DIR, module
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));
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} else {
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logs1.push_str(&format!("\n{} found in cache", module.to_string()));
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}
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}
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}
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if !install_string.is_empty() {
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logs1.push_str("\n\nInstalling modules...");
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append_logs(&job.id, &job.workspace_id, logs1, db).await;
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let child = Command::new(POWERSHELL_PATH.as_str())
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.args(&["-Command", &install_string])
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn()?;
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handle_child(
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&job.id,
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db,
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mem_peak,
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canceled_by,
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child,
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false,
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worker_name,
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&job.workspace_id,
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"powershell install",
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job.timeout,
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false,
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&mut Some(occupancy_metrics),
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)
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.await?;
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}
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let mut logs2 = "".to_string();
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logs2.push_str("\n\n--- POWERSHELL CODE EXECUTION ---\n");
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append_logs(&job.id, &job.workspace_id, logs2, db).await;
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// make sure default (only allhostsallusers) modules are loaded, disable autoload (cache can be large to explore especially on cloud) and add /tmp/windmill/cache to PSModulePath
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#[cfg(unix)]
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let profile = format!(
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"$PSModuleAutoloadingPreference = 'None'
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$PSModulePathBackup = $env:PSModulePath
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$env:PSModulePath = \"$PSHome/Modules\"
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Get-Module -ListAvailable | Import-Module
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$env:PSModulePath = \"{}:$PSModulePathBackup\"",
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POWERSHELL_CACHE_DIR
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);
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#[cfg(windows)]
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let profile = format!(
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"$PSModuleAutoloadingPreference = 'None'
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$PSModulePathBackup = $env:PSModulePath
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$env:PSModulePath = \"C:\\Program Files\\PowerShell\\7\\Modules\"
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Get-Module -ListAvailable | Import-Module
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$env:PSModulePath = \"{};$PSModulePathBackup\"",
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POWERSHELL_CACHE_DIR
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);
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// NOTE: powershell error handling / termination is quite tricky compared to bash
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// here we're trying to catch terminating errors and propagate the exit code
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// to the caller such that the job will be marked as failed. It's up to the user
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// to catch specific errors in their script not caught by the below as there is no
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// generic set -eu as in bash
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let strict_termination_start = "$ErrorActionPreference = 'Stop'\n\
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Set-StrictMode -Version Latest\n\
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try {\n";
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let strict_termination_end = "\n\
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} catch {\n\
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Write-Output \"An error occurred:\n\"\
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Write-Output $_
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exit 1\n\
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}\n";
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// make sure param() is first
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let param_match = windmill_parser_bash::RE_POWERSHELL_PARAM.find(&content);
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let content: String = if let Some(param_match) = param_match {
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let param_match = param_match.as_str();
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format!(
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"{}\n{}\n{}\n{}\n{}",
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param_match,
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profile,
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strict_termination_start,
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content.replace(param_match, ""),
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strict_termination_end
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)
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} else {
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format!("{}\n{}", profile, content)
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};
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write_file(job_dir, "main.ps1", content.as_str())?;
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#[cfg(unix)]
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write_file(
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job_dir,
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"wrapper.sh",
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&format!("set -o pipefail\nset -e\nmkfifo bp\ncat bp | tail -1 > ./result2.out &\n{} -F ./main.ps1 \"$@\" 2>&1 | tee bp\nwait $!", POWERSHELL_PATH.as_str()),
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)?;
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#[cfg(windows)]
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write_file(
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job_dir,
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"wrapper.ps1",
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&format!(
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"param([string[]]$args)\n\
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$ErrorActionPreference = 'Stop'\n\
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$pipe = New-TemporaryFile\n\
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& \"{}\" -File ./main.ps1 @args 2>&1 | Tee-Object -FilePath $pipe\n\
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Get-Content -Path $pipe | Select-Object -Last 1 | Set-Content -Path './result2.out'\n\
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Remove-Item $pipe\n\
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exit $LASTEXITCODE\n",
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POWERSHELL_PATH.as_str()
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),
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)?;
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|
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let token = client.get_token().await;
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let mut reserved_variables = get_reserved_variables(job, &token, db).await?;
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reserved_variables.insert("RUST_LOG".to_string(), "info".to_string());
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let _ = write_file(job_dir, "result.json", "")?;
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let _ = write_file(job_dir, "result.out", "")?;
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let _ = write_file(job_dir, "result2.out", "")?;
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|
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let child = if !*DISABLE_NSJAIL {
|
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let _ = write_file(
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job_dir,
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"run.config.proto",
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&NSJAIL_CONFIG_RUN_POWERSHELL_CONTENT
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.replace("{JOB_DIR}", job_dir)
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.replace("{CLONE_NEWUSER}", &(!*DISABLE_NUSER).to_string())
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.replace("{SHARED_MOUNT}", shared_mount)
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.replace("{CACHE_DIR}", POWERSHELL_CACHE_DIR),
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)?;
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let mut cmd_args = vec![
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"--config",
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"run.config.proto",
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"--",
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BIN_BASH.as_str(),
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"wrapper.sh",
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];
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cmd_args.extend(pwsh_args.iter().map(|x| x.as_str()));
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Command::new(NSJAIL_PATH.as_str())
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.current_dir(job_dir)
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.env_clear()
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.envs(reserved_variables)
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.env("TZ", TZ_ENV.as_str())
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.env("PATH", PATH_ENV.as_str())
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.env("BASE_INTERNAL_URL", base_internal_url)
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.args(cmd_args)
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn()?
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} else {
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let mut cmd;
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let mut cmd_args;
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|
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#[cfg(unix)]
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{
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cmd_args = vec!["wrapper.sh"];
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cmd_args.extend(pwsh_args.iter().map(|x| x.as_str()));
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cmd = Command::new(BIN_BASH.as_str());
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}
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|
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#[cfg(windows)]
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{
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cmd_args = vec![r".\wrapper.ps1".to_string()];
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cmd_args.extend(pwsh_args.iter().map(|x| x.replace("--", "-")));
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cmd = Command::new(POWERSHELL_PATH.as_str());
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}
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|
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cmd.current_dir(job_dir)
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.env_clear()
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.envs(envs)
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.envs(reserved_variables)
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.env("TZ", TZ_ENV.as_str())
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.env("PATH", PATH_ENV.as_str())
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.env("BASE_INTERNAL_URL", base_internal_url)
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.env("HOME", HOME_ENV.as_str())
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.args(&cmd_args)
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.stdout(Stdio::piped())
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.stderr(Stdio::piped());
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|
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#[cfg(windows)]
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{
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cmd.env("SystemRoot", SYSTEM_ROOT.as_str())
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.env(
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"LOCALAPPDATA",
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std::env::var("LOCALAPPDATA")
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.unwrap_or_else(|_| format!("{}\\AppData\\Local", HOME_ENV.as_str())),
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)
|
|
.env(
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"ProgramData",
|
|
std::env::var("ProgramData")
|
|
.unwrap_or_else(|_| String::from("C:\\ProgramData")),
|
|
)
|
|
.env(
|
|
"ProgramFiles",
|
|
std::env::var("ProgramFiles")
|
|
.unwrap_or_else(|_| String::from("C:\\Program Files")),
|
|
)
|
|
.env(
|
|
"ProgramFiles(x86)",
|
|
std::env::var("ProgramFiles(x86)")
|
|
.unwrap_or_else(|_| String::from("C:\\Program Files (x86)")),
|
|
)
|
|
.env(
|
|
"ProgramW6432",
|
|
std::env::var("ProgramW6432")
|
|
.unwrap_or_else(|_| String::from("C:\\Program Files")),
|
|
)
|
|
.env(
|
|
"TMP",
|
|
std::env::var("TMP").unwrap_or_else(|_| String::from("/tmp")),
|
|
)
|
|
.env(
|
|
"PATHEXT",
|
|
std::env::var("PATHEXT").unwrap_or_else(|_| {
|
|
String::from(".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.CPL")
|
|
}),
|
|
);
|
|
}
|
|
|
|
cmd.spawn()?
|
|
};
|
|
|
|
handle_child(
|
|
&job.id,
|
|
db,
|
|
mem_peak,
|
|
canceled_by,
|
|
child,
|
|
!*DISABLE_NSJAIL,
|
|
worker_name,
|
|
&job.workspace_id,
|
|
"powershell run",
|
|
job.timeout,
|
|
false,
|
|
&mut Some(occupancy_metrics),
|
|
)
|
|
.await?;
|
|
|
|
let result_json_path = format!("{job_dir}/result.json");
|
|
if let Ok(metadata) = tokio::fs::metadata(&result_json_path).await {
|
|
if metadata.len() > 0 {
|
|
return Ok(read_file(&result_json_path).await?);
|
|
}
|
|
}
|
|
|
|
let result_out_path = format!("{job_dir}/result.out");
|
|
if let Ok(metadata) = tokio::fs::metadata(&result_out_path).await {
|
|
if metadata.len() > 0 {
|
|
let result = read_file_content(&result_out_path).await?;
|
|
return Ok(to_raw_value(&json!(result)));
|
|
}
|
|
}
|
|
|
|
let result_out_path2 = format!("{job_dir}/result2.out");
|
|
if tokio::fs::metadata(&result_out_path2).await.is_ok() {
|
|
let result = read_file_content(&result_out_path2)
|
|
.await?
|
|
.trim()
|
|
.to_string();
|
|
return Ok(to_raw_value(&json!(result)));
|
|
}
|
|
|
|
Ok(to_raw_value(&json!(
|
|
"No result.out, result2.out or result.json found"
|
|
)))
|
|
}
|