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artifacts.go
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/
artifacts.go
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package fetch
import (
"bufio"
"bytes"
"context"
"encoding/json"
"io"
"io/ioutil"
"log"
"os"
"path"
"strings"
"time"
"github.com/samber/lo"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"cloud.google.com/go/storage"
)
// gs://origin-ci-test/logs/periodic-ci-openshift-release-master-nightly-4.10-e2e-aws-single-node-serial/1503949008505147392/artifacts/e2e-aws-single-node-serial
// origin-ci-test/logs/periodic-ci-openshift-release-master-ci-4.11-e2e-aws-upgrade-ovn-single-node/1545408471665479680
// origin-ci-test/logs/periodic-ci-openshift-release-master-ci-4.11-e2e-aws-upgrade-ovn-single-node/1545408471665479680/started.json
// origin-ci-test/logs/periodic-ci-openshift-release-master-ci-4.11-e2e-aws-upgrade-ovn-single-node/1545408471665479680/artifacts/e2e-aws-upgrade-ovn-single-node/single-node-e2e-test/artifacts/junit/
const (
bucketName = "origin-ci-test"
bucketRootPath = "logs"
OriginalArtifactsDir = "orig"
)
var (
e2eFilesWhitelist = []string{"e2e-timelines_everything_", "e2e-intervals_everything_"}
)
type JobRun struct {
Job string
ID string
Path string
Started time.Time
Finished time.Time
}
// job "periodic-ci-openshift-release-master-ci-4.11-e2e-aws-upgrade-ovn-single-node", time.Date(2022, 7, 5, 0, 0, 0, 0, time.UTC)
func FetchJobArtifacts(job, workdir string) error {
log.Printf("Fetching list of job '%s' runs\n", job)
r, err := getListOfJobRuns(context.Background(), job)
if err != nil {
return err
}
log.Printf("Obtained list of '%s''s runs (%d)\n", job, len(r))
for _, run := range r {
log.Printf("Fetching artifacts for %s: %s\n", job, run.ID)
if err := fetchJobRunArtifact(run, workdir); err != nil {
log.Printf("Error when fetching artifacts for %s: %s: %+v\n", job, run.ID, err)
return err
}
}
return nil
}
func getListOfJobRuns(ctx context.Context, jobName string) ([]JobRun, error) {
client, err := storage.NewClient(ctx, option.WithoutAuthentication())
if err != nil {
return nil, err
}
bucket := client.Bucket(bucketName)
query := &storage.Query{Delimiter: "/", Prefix: path.Join(bucketRootPath, jobName) + "/"}
query.SetAttrSelection([]string{"Prefix"})
runs := []JobRun{}
getTimestampFromFile := func(prefix, filename string) (time.Time, error) {
rc, err := bucket.Object(prefix + filename).NewReader(ctx)
if err != nil {
return time.Time{}, err
}
defer rc.Close()
buf := new(bytes.Buffer)
buf.ReadFrom(rc)
unixTimestamp := struct{ Timestamp int64 }{Timestamp: int64(0)}
if err := json.Unmarshal(buf.Bytes(), &unixTimestamp); err != nil {
return time.Time{}, err
}
return time.Unix(unixTimestamp.Timestamp, 0).UTC(), nil
}
it := bucket.Objects(ctx, query)
for {
attrs, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
return nil, err
}
if attrs.Prefix == "" {
continue
}
started, err := getTimestampFromFile(attrs.Prefix, "started.json")
if err != nil {
return nil, err
}
finished, err := getTimestampFromFile(attrs.Prefix, "finished.json")
if err != nil {
if started.Unix() != 0 {
// job started but didn't finished yet
continue
}
return nil, err
}
prefixSplit := strings.Split(attrs.Prefix, "/")
id := prefixSplit[len(prefixSplit)-1]
if id == "" {
id = prefixSplit[len(prefixSplit)-2]
}
runs = append(runs, JobRun{Job: jobName, ID: id, Path: attrs.Prefix, Started: started, Finished: finished})
}
return runs, nil
}
func fetchJobRunArtifact(run JobRun, workdir string) error {
ctx := context.TODO()
client, err := storage.NewClient(ctx, option.WithoutAuthentication())
if err != nil {
return err
}
bucket := client.Bucket(bucketName)
query := &storage.Query{Prefix: run.Path}
saveTime := func(t time.Time, filepath string) error {
ms, err := t.MarshalText()
if err != nil {
return err
}
err = ioutil.WriteFile(filepath, []byte(ms), 0644)
if err != nil {
return err
}
return nil
}
it := bucket.Objects(ctx, query)
for {
attrs, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
return err
}
if !strings.HasSuffix(attrs.Name, ".json") {
continue
}
filename, err := lo.Last(strings.Split(attrs.Name, "/"))
if err != nil {
return err
}
if !lo.SomeBy(e2eFilesWhitelist, func(x string) bool { return strings.HasPrefix(filename, x) }) {
continue
}
dir := path.Join(workdir, OriginalArtifactsDir, run.Job, run.ID)
if err := os.MkdirAll(dir, os.ModePerm); err != nil {
return err
}
rc, err := bucket.Object(attrs.Name).NewReader(ctx)
if err != nil {
return err
}
defer rc.Close()
file, _ := os.Create(path.Join(dir, filename))
defer file.Close()
writer := bufio.NewWriter(file)
io.Copy(writer, rc)
if err := writer.Flush(); err != nil {
return err
}
if err := saveTime(run.Started, path.Join(dir, "started")); err != nil {
return err
}
if err := saveTime(run.Finished, path.Join(dir, "finished")); err != nil {
return err
}
}
return nil
}