vole

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Read a run and its log from the CLI

92d8afc86ab7a5e8f2e56a8981e0614aa55980f1 · Keenan Nemetz · 3h ago · parent 4b8c9e1d

Read a run and its log from the CLI

The queue and its logs live on the instance, so the CLI now has read verbs
beside the cancel and rerun writes: run list, run show and run logs. They
check the repository's read capability, scope an id to its repository, and
stream a log to stdout with refusals on stderr.

change show lists the runs for the head and, when the landing needs one, the
combined result, so a red check carries the id needed to open it. The queue
search narrows by status, branch and commit prefix without a pager.

closes: 01M6YZAQZVJWTA9BA5RV2H6PQ8

server/ssh/status.go +41

@@ -7,6 +7,8 @@ package ssh
	7	7
	8	8	import (
	9	9	"fmt"
		10	"io"
		11	"sort"
	10	12	"strings"
	11	13	"time"
	12	14
@@ -50,6 +52,10 @@ func (s *Server) serveChangeStatus(ch xssh.Channel, argv []string, user, remote
	50	52	fmt.Fprintf(ch, "vole: %v\n", err)
	51	53	return 1
	52	54	}
		55	// The runs for the head are the ones a reviewer opens first, and they are true
		56	// whether the change is open or already landed. The run id is the whole point:
		57	// without it `vole run show` and `vole run logs` have nothing to take.
		58	writeRunLines(ch, s.cfg.Runs, name, req.Head, "head")
	53	59	if !req.Open() {
	54	60	fmt.Fprintf(ch, "combined: not needed (%s)\n", req.State)
	55	61	return 0
@@ -87,5 +93,40 @@ func (s *Server) serveChangeStatus(ch xssh.Channel, argv []string, user, remote
	87	93	} else if len(plan.Gaps) > 0 {
	88	94	fmt.Fprint(ch, "landing: waiting for the combined result\n")
	89	95	}
		96	// The combined result is a different commit once the base has moved, so its
		97	// runs are not the head's. They are the ones that explain a failed combined
		98	// line, and a fast-forward has no separate commit to ask about.
		99	if plan.NewTip != "" && plan.NewTip != req.Head {
		100	writeRunLines(ch, s.cfg.Runs, name, plan.NewTip, "combined")
		101	}
	90	102	return 0
	91	103	}
		104
		105	// writeRunLines lists the newest run per job for one commit, in the same order the
		106	// change page's Runs tab uses. It is display text, not a wire format: the id is what
		107	// a reader carries to `vole run show`, and the status says whether that is the run to
		108	// open. A missing queue is not an error here; the rest of the status still answers.
		109	func writeRunLines(out io.Writer, store *runs.Store, repo, sha, where string) {
		110	if store == nil \|\| sha == "" {
		111	return
		112	}
		113	byKey, err := store.ForSHA(repo, sha)
		114	if err != nil {
		115	return
		116	}
		117	keys := make([]string, 0, len(byKey))
		118	for key := range byKey {
		119	keys = append(keys, key)
		120	}
		121	sort.Strings(keys)
		122	for _, key := range keys {
		123	r := byKey[key]
		124	exit := ""
		125	switch r.Status {
		126	case runs.StatusSuccess, runs.StatusFailed, runs.StatusCanceled, runs.StatusError:
		127	exit = fmt.Sprintf(" exit %d", r.ExitCode)
		128	}
		129	fmt.Fprintf(out, "run: %s %s %s/%s%s (%s)\n",
		130	r.ID, r.Status, r.Workflow, r.Job, exit, where)
		131	}
		132	}