395 lines
13 KiB
Rust
395 lines
13 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::{error::Error, jobs::QueuedJob, worker::to_raw_value};
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use windmill_queue::{append_logs, CanceledBy};
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const BIN_BASH: &str = "/bin/bash";
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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, handle_child, read_file, read_file_content,
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start_child_process, write_file,
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},
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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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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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) -> 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.clone(), logs1, db).await;
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write_file(job_dir, "main.sh", &format!("set -e\n{content}")).await?;
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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 /bin/bash ./main.sh \"$@\" 2>&1 | tee bp\nwait $!"),
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)
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.await?;
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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", "").await?;
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let _ = write_file(job_dir, "result.out", "").await?;
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let _ = write_file(job_dir, "result2.out", "").await?;
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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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.await?;
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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",
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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);
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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).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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)
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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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) -> 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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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('/')
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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.clone(), logs1, db).await;
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let child = Command::new("pwsh")
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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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)
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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.clone(), 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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let profile = format!(
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"$PSModuleAutoloadingPreference = 'None'
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$PSModulePathBackup = $env:PSModulePath
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$env:PSModulePath = ($Env:PSModulePath -split ':')[-1]
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Get-Module -ListAvailable | Import-Module
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$env:PSModulePath = \"{}:$PSModulePathBackup\"",
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POWERSHELL_CACHE_DIR
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);
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// make sure param() is first
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let param_match = windmill_parser_bash::RE_POWERSHELL_PARAM.find(&content);
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let content: String = if let Some(param_match) = param_match {
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let param_match = param_match.as_str();
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format!(
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"{}\n{}\n{}",
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param_match,
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profile,
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content.replace(param_match, "")
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)
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} else {
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format!("{}\n{}", profile, content)
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};
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write_file(job_dir, "main.ps1", content.as_str()).await?;
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write_file(
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job_dir,
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"wrapper.sh",
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&format!("set -o pipefail\nset -e\nmkfifo bp\ncat bp | tail -1 > ./result2.out &\n{} -F ./main.ps1 \"$@\" 2>&1 | tee bp\nwait $!", POWERSHELL_PATH.as_str()),
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)
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.await?;
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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", "").await?;
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let _ = write_file(job_dir, "result.out", "").await?;
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let _ = write_file(job_dir, "result2.out", "").await?;
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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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.await?;
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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",
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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_args = vec!["wrapper.sh"];
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cmd_args.extend(pwsh_args.iter().map(|x| x.as_str()));
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Command::new("/bin/bash")
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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("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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.spawn()?
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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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"powershell run",
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job.timeout,
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false,
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)
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.await?;
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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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