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42 lines
885 B
Go
42 lines
885 B
Go
package hook
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import (
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"log"
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"os"
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"os/exec"
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"strings"
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"github.com/mholt/caddy"
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)
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// Hook executes a command.
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func (cfg *Config) Hook(event caddy.EventName, info interface{}) error {
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if event != cfg.Event {
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return nil
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}
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nonblock := false
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if len(cfg.Args) >= 1 && cfg.Args[len(cfg.Args)-1] == "&" {
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// Run command in background; non-blocking
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nonblock = true
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cfg.Args = cfg.Args[:len(cfg.Args)-1]
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}
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// Execute command.
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cmd := exec.Command(cfg.Command, cfg.Args...)
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if nonblock {
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log.Printf("[INFO] Nonblocking Command \"%s %s\" with ID %s", cfg.Command, strings.Join(cfg.Args, " "), cfg.ID)
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return cmd.Start()
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}
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log.Printf("[INFO] Blocking Command \"%s %s\" with ID %s", cfg.Command, strings.Join(cfg.Args, " "), cfg.ID)
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err := cmd.Run()
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if err != nil {
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return err
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}
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return nil
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}
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