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Use Client Cert Auth for ARO HCP deployments
Use Client Certificate Authentication for ARO HCP deployments. HyperShift will pass the needed environment variables for this authentication method: ARO_HCP_MI_CLIENT_ID, ARO_HCP_TENANT_ID, and ARO_HCP_CLIENT_CERTIFICATE_PATH. Signed-off-by: Bryan Cox <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package filewatcher | ||
|
|
||
| import ( | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/fsnotify/fsnotify" | ||
| logf "github.com/openshift/cluster-ingress-operator/pkg/log" | ||
| ) | ||
|
|
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| var log = logf.Logger.WithName("filewatcher") | ||
|
|
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| // WatchFileForChanges watches the file, fileToWatch, for changes. If the file contents have changed, the pod this | ||
| // function is running on will be restarted. | ||
| func WatchFileForChanges(fileToWatch string) error { | ||
| log.Info("Starting the file change watcher") | ||
|
|
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| // Update the file path to watch in case this is a symlink | ||
| fileToWatch, err := filepath.EvalSymlinks(fileToWatch) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| log.Info("Watching file", "file", fileToWatch) | ||
|
|
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| // Start the file watcher to monitor file changes | ||
| go func() { | ||
| if err := checkForFileChanges(fileToWatch); err != nil { | ||
| log.Error(err, "Error checking for file changes") | ||
| } | ||
| }() | ||
|
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| return nil | ||
| } | ||
|
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| // checkForFileChanges starts a new file watcher. If the file is changed, the pod running this function will exit. | ||
| func checkForFileChanges(path string) error { | ||
| watcher, err := fsnotify.NewWatcher() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| go func() { | ||
| for { | ||
| select { | ||
| case event, ok := <-watcher.Events: | ||
| if ok && (event.Has(fsnotify.Write) || event.Has(fsnotify.Chmod) || event.Has(fsnotify.Remove)) { | ||
| log.Info("file was modified, exiting...", "file", event.Name) | ||
| os.Exit(0) | ||
| } | ||
| case err, ok := <-watcher.Errors: | ||
| if ok { | ||
| log.Error(err, "file watcher error") | ||
| } else { | ||
| log.Error(err, "failed to retrieve watcher error") | ||
| } | ||
| } | ||
| } | ||
| }() | ||
|
|
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| if err = watcher.Add(path); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |