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62 lines
1017 B
Go
62 lines
1017 B
Go
package monitor
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import (
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"bytes"
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"log"
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"os"
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"os/exec"
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"path"
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"strings"
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)
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type Config struct {
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ScriptsDir string `json:"scriptsDir"`
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}
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type Service struct {
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Config *Config
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scriptPaths map[string]string
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}
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func NewService(config *Config) *Service {
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return &Service{
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Config: config,
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}
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}
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func (s *Service) LoadScripts() error {
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entries, err := os.ReadDir(s.Config.ScriptsDir)
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if err != nil {
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return err
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}
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s.scriptPaths = map[string]string{}
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for _, entry := range entries {
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newScriptPath := path.Join(s.Config.ScriptsDir, entry.Name())
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s.scriptPaths[entry.Name()] = newScriptPath
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}
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return nil
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}
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// TODO: Add caching
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func (s *Service) GetLastOutput(command string) (string, error) {
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args := strings.Fields(command)
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log.Printf("Running script %q with args %v", args[0], args[1:])
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scriptPath := s.scriptPaths[args[0]]
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cmd := exec.Command(scriptPath, args[1:]...)
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var b bytes.Buffer
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cmd.Stdout = &b
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if err := cmd.Run(); err != nil {
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return "", err
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}
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return b.String(), nil
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}
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