govctl 0.9.3

Project governance CLI for RFC, ADR, and Work Item management
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146

use crate::config::Config;
use crate::diagnostic::{Diagnostic, DiagnosticCode};
use crate::model::GuardEntry;
use regex::RegexBuilder;
use std::process::{Command, ExitStatus};
use std::time::{Duration, Instant};

mod capture;
mod process_group;

use capture::GuardOutputCapture;
use process_group::{
    configure_guard_process_group, guard_process_group, terminate_guard_process,
    terminate_guard_process_group,
};

pub const DEFAULT_GUARD_TIMEOUT_SECS: u64 = 300;

#[derive(Debug, Clone)]
pub struct GuardRunResult {
    pub id: String,
    pub passed: bool,
    pub timed_out: bool,
    pub primary_shell_running_at_timeout: Option<bool>,
    pub output: String,
}

pub fn run_guard(config: &Config, guard: &GuardEntry) -> Result<GuardRunResult, Diagnostic> {
    let project_root = config
        .gov_root
        .parent()
        .map(std::path::Path::to_path_buf)
        .unwrap_or_else(|| config.gov_root.clone());
    let timeout = if guard.spec.check.timeout_secs == 0 {
        DEFAULT_GUARD_TIMEOUT_SECS
    } else {
        guard.spec.check.timeout_secs
    };

    let mut stdout_capture = GuardOutputCapture::new(guard, "stdout")?;
    let mut stderr_capture = GuardOutputCapture::new(guard, "stderr")?;

    let mut command = Command::new("/bin/bash");
    command
        .args(["-lc", &guard.spec.check.command])
        .current_dir(project_root)
        .stdout(stdout_capture.stdio(guard, "stdout")?)
        .stderr(stderr_capture.stdio(guard, "stderr")?);
    configure_guard_process_group(&mut command);

    let mut child = command.spawn().map_err(|err| {
        Diagnostic::new(
            DiagnosticCode::E1004GuardCheckFailed,
            format!(
                "Failed to start verification guard '{}': {}",
                guard.meta().id,
                err
            ),
            guard.path.display().to_string(),
        )
    })?;
    let child_id = child.id();
    let process_group = guard_process_group(child_id);

    let deadline = Duration::from_secs(timeout);
    let started = Instant::now();
    let mut timed_out = false;
    let mut primary_shell_running_at_timeout = None;
    let status: ExitStatus;

    loop {
        match child.try_wait() {
            Ok(Some(exit_status)) => {
                status = exit_status;
                terminate_guard_process_group(process_group);
                break;
            }
            Ok(None) if started.elapsed() < deadline => {
                std::thread::sleep(Duration::from_millis(50))
            }
            Ok(None) => {
                timed_out = true;
                primary_shell_running_at_timeout = Some(true);
                terminate_guard_process(&mut child, process_group);
                status = child.wait().map_err(|err| {
                    Diagnostic::new(
                        DiagnosticCode::E1004GuardCheckFailed,
                        format!(
                            "Failed while waiting on timed-out verification guard '{}': {}",
                            guard.meta().id,
                            err
                        ),
                        guard.path.display().to_string(),
                    )
                })?;
                break;
            }
            Err(err) => {
                return Err(Diagnostic::new(
                    DiagnosticCode::E1004GuardCheckFailed,
                    format!(
                        "Failed while waiting on verification guard '{}': {}",
                        guard.meta().id,
                        err
                    ),
                    guard.path.display().to_string(),
                ));
            }
        }
    }

    let stdout = stdout_capture.read(guard, "stdout")?;
    let stderr = stderr_capture.read(guard, "stderr")?;
    let combined_output = format!(
        "{}{}",
        String::from_utf8_lossy(&stdout),
        String::from_utf8_lossy(&stderr)
    );

    let pattern_matched = match &guard.spec.check.pattern {
        Some(pattern) => RegexBuilder::new(pattern)
            .case_insensitive(true)
            .build()
            .map_err(|err| {
                Diagnostic::new(
                    DiagnosticCode::E1001GuardSchemaInvalid,
                    format!(
                        "Invalid regex pattern for guard '{}': {}",
                        guard.meta().id,
                        err
                    ),
                    guard.path.display().to_string(),
                )
            })?
            .is_match(&combined_output),
        None => true,
    };

    Ok(GuardRunResult {
        id: guard.meta().id.clone(),
        passed: !timed_out && status.success() && pattern_matched,
        timed_out,
        primary_shell_running_at_timeout,
        output: combined_output,
    })
}