Files
steve 7b1990cf11 agent+server: P2R-11 pre/post hook execution for backup jobs
Agent: new runner.BackupHooks struct + runHook helper invoked via
/bin/sh -c (cmd.exe /C on Windows). pre_hook non-zero exit aborts
the backup; post_hook always runs with RM_JOB_STATUS=succeeded|failed
in env. Output streamed as 'hook(<phase>): …' log.stream lines.
Hooks only run for kind=backup (other kinds skip both phases).

Server: resolveBackupHooks resolves group → host default → empty,
decrypts via crypto.AEAD with per-slot ad bytes, plumbs plaintext
into CommandRunPayload for both schedule.fire and per-group
Run-now dispatch sites. Decrypt failures degrade silently to no
hook so a malformed blob can't poison every backup.
2026-05-04 10:57:28 +01:00

91 lines
2.7 KiB
Go

// hooks_test.go — pre/post backup hook semantics (P2R-11).
package runner
import (
"context"
"strings"
"testing"
"gitea.dcglab.co.uk/steve/restic-manager/internal/api"
)
// TestPreHookFailureAbortsBackup: pre_hook exits 1 → restic never
// runs, job is recorded failed with the hook's error.
func TestPreHookFailureAbortsBackup(t *testing.T) {
t.Parallel()
// Restic script that records every invocation. If restic was
// called we'll see "restic-was-here" in the captured log.
bin := setupScript(t, `echo "restic-was-here"`)
tx := &fakeSender{}
r := New(Config{ResticBin: bin}, tx, 0)
err := r.RunBackup(context.Background(), "job-pre",
[]string{"/etc"}, nil, []string{"tag"},
BackupHooks{Pre: "exit 1"})
if err == nil {
t.Fatal("expected RunBackup to return an error from failed pre_hook")
}
if !strings.Contains(err.Error(), "pre_hook failed") {
t.Fatalf("error message: %q (want 'pre_hook failed')", err)
}
// job.finished arrived with status=failed.
finEnv := firstEnvOfType(t, tx.envs, api.MsgJobFinished)
var fin api.JobFinishedPayload
_ = finEnv.UnmarshalPayload(&fin)
if fin.Status != api.JobFailed {
t.Fatalf("status: %q, want failed", fin.Status)
}
// restic must NOT have run.
for _, env := range tx.envs {
if env.Type != api.MsgLogStream {
continue
}
var l api.LogStreamLine
_ = env.UnmarshalPayload(&l)
if strings.Contains(l.Payload, "restic-was-here") {
t.Fatal("restic was invoked despite pre_hook failure")
}
}
}
// TestPostHookRunsAfterBackup: post_hook fires after a successful
// backup and receives RM_JOB_STATUS=succeeded in the env.
func TestPostHookRunsAfterBackup(t *testing.T) {
t.Parallel()
bin := setupScript(t, `
case "$1" in
backup) echo '{"message_type":"summary","snapshot_id":"abc"}' ;;
snapshots) echo '[]' ;;
stats) echo '{"total_size":0,"total_uncompressed_size":0,"snapshots_count":0,"total_file_count":0,"total_blob_count":0}' ;;
*) exit 0 ;;
esac
`)
tx := &fakeSender{}
r := New(Config{ResticBin: bin}, tx, 0)
post := `echo "post-status=$RM_JOB_STATUS phase=$RM_HOOK_PHASE"`
if err := r.RunBackup(context.Background(), "job-post",
[]string{"/etc"}, nil, nil, BackupHooks{Post: post}); err != nil {
t.Fatalf("RunBackup: %v", err)
}
// Walk log.stream envelopes; one of them should be the post-hook
// line with the expected status.
var found bool
for _, env := range tx.envs {
if env.Type != api.MsgLogStream {
continue
}
var l api.LogStreamLine
_ = env.UnmarshalPayload(&l)
if strings.Contains(l.Payload, "post-status=succeeded") &&
strings.Contains(l.Payload, "phase=post") {
found = true
break
}
}
if !found {
t.Fatal("post_hook output not found in log.stream envelopes")
}
}