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horenso(報・連・相)

Build Status Coverage Status MIT License

Description

Command wrapper for reporting the result. It is useful for cron jobs.

Installation

% go get github.com/Songmu/horenso/cmd/horenso

Built binaries are available on gihub releases. https://github.com/Songmu/horenso/releases

Synopsis

% horenso --reporter /path/to/report.pl -- /path/to/yourjob

Options

Usage:
  horenso --reporter /path/to/reporter.pl -- /path/to/job [...]

Application Options:
  -r, --reporter=/path/to/reporter.pl      handler for reporting the result of the job
  -n, --noticer='ruby /path/to/noticer.rb' handler for noticing the start of the job
  -T, --timestamp                          add timestamp to merged output
  -t, --tag=job-name                       tag of the job
  -o, --override-status                    override command exit status, always exit 0
  -v, --verbose                            verbose output. it can be stacked like -vv for
                                           more detailed log
  -l, --log=logfile-path                   logfile path. The strftime format like
                                           '%Y%m%d.log' is available.

Handlers are should be an executable or command line string. You can specify multiple reporters and noticers. In this case, they are executed concurrently.

Usage

Normally you can use horenso with a wrapper shell script like following.

#!/bin/bash
/path/to/horenso \
  -n /path/to/noticer.py         \
  -r /path/to/reporter.pl        \
  -r 'ruby /path/to/reporter.rb' \
  -- "$@"

And specify this wrapper.sh in the crontab like following.

3 4 * * * /path/to/wrapper.sh /path/to/job --args...

If you want to change reporting way, you just have to change reporter script. You have no risk to crash wrapper shell.

Execution Sequence

  1. Start the command
  2. [optional] Run the noticers
  3. Wait to finish the command
  4. Run the reporters

result JSON

The reporters and noticers accept a result JSON via STDIN that reports command result like following.

{
  "command": "perl -E 'say 1;warn \"$$\\n\";'",
  "commandArgs": [
    "perl",
    "-E",
    "say 1;warn \"$$\\n\";"
  ],
  "output": "1\n95030\n",
  "stdout": "1\n",
  "stderr": "95030\n",
  "exitCode": 0,
  "result": "command exited with code: 0",
  "pid": 95030,
  "startAt": "2015-12-28T00:37:10.494282399+09:00",
  "endAt": "2015-12-28T00:37:10.546466379+09:00",
  "hostname": "webserver.example.com",
  "systemTime": 0.034632,
  "userTime": 0.026523
}

License

MIT

Author

Songmu

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