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55 lines
1.3 KiB
55 lines
1.3 KiB
// Package pmuxlib implements the process management aspects of the pmux
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// process.
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package pmuxlib
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import (
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"context"
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"io"
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"sync"
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)
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type Config struct {
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TimeFormat string `yaml:"timeFormat"`
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Processes []ProcessConfig `yaml:"processes"`
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}
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// Run runs the given configuration as if this was a real pmux process. It will
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// block until the context is canceled and all child processes have been cleaned
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// up.
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func Run(
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ctx context.Context,
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stdout, stderr io.Writer,
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cfg Config,
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) {
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stdoutLogger := newLogger(stdout, logSepStdout, cfg.TimeFormat)
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defer stdoutLogger.Close()
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stderrLogger := newLogger(stderr, logSepStderr, cfg.TimeFormat)
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defer stderrLogger.Close()
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sysLogger := stderrLogger.withSep(logSepSys)
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defer sysLogger.Println("exited gracefully, ciao!")
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var wg sync.WaitGroup
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defer wg.Wait()
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for _, cfgProc := range cfg.Processes {
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wg.Add(1)
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go func(procCfg ProcessConfig) {
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defer wg.Done()
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stdoutLogger := stdoutLogger.withPName(procCfg.Name)
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stderrLogger := stderrLogger.withPName(procCfg.Name)
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sysLogger := sysLogger.withPName(procCfg.Name)
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sysLogger.Println("starting process")
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defer sysLogger.Println("stopped process handler")
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RunProcess(
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ctx, stdoutLogger, stderrLogger, sysLogger, procCfg,
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)
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}(cfgProc)
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}
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}
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