// NewTempRepo assumes the repo is called testrepo.zip and is in a directory
// called testdata under the directory of the unit test that is calling it.
//
// The directory that was created is stored in TempRepo Path.
func NewTempRepo() *TempRepo {
tmpdir, err := ioutil.TempDir("", "skiaperf")
if err != nil {
glog.Fatalln("Failed to create testing Git repo:", err)
}
_, filename, _, _ := runtime.Caller(1)
if err := unzip(filepath.Join(filepath.Dir(filename), "testdata", "testrepo.zip"), tmpdir); err != nil {
glog.Fatalln("Failed to unzip testing Git repo:", err)
}
return &TempRepo{Dir: tmpdir}
}
// monitorIssueTracker reads the counts for all the types of issues in the skia
// issue tracker (code.google.com/p/skia) and stuffs the counts into Graphite.
func monitorIssueTracker() {
c := &http.Client{
Transport: &http.Transport{
Dial: dialTimeout,
},
}
if *useMetadata {
*apikey = metadata.Must(metadata.ProjectGet(metadata.APIKEY))
}
// Create a new metrics registry for the issue tracker metrics.
addr, err := net.ResolveTCPAddr("tcp", *graphiteServer)
if err != nil {
glog.Fatalln("Failed to resolve the Graphite server: ", err)
}
issueRegistry := metrics.NewRegistry()
go graphite.Graphite(issueRegistry, common.SAMPLE_PERIOD, "issues", addr)
// IssueStatus has all the info we need to capture and record a single issue status. I.e. capture
// the count of all issues with a status of "New".
type IssueStatus struct {
Name string
Metric metrics.Gauge
URL string
}
allIssueStatusLabels := []string{
"New", "Accepted", "Unconfirmed", "Started", "Fixed", "Verified", "Invalid", "WontFix", "Done", "Available", "Assigned",
}
issueStatus := []*IssueStatus{}
for _, issueName := range allIssueStatusLabels {
issueStatus = append(issueStatus, &IssueStatus{
Name: issueName,
Metric: metrics.NewRegisteredGauge(strings.ToLower(issueName), issueRegistry),
URL: "https://www.googleapis.com/projecthosting/v2/projects/skia/issues?fields=totalResults&key=" + *apikey + "&status=" + issueName,
})
}
liveness := imetrics.NewLiveness("issue-tracker")
for _ = range time.Tick(ISSUE_TRACKER_PERIOD) {
for _, issue := range issueStatus {
resp, err := c.Get(issue.URL)
jsonResp := map[string]int64{}
dec := json.NewDecoder(resp.Body)
if err := dec.Decode(&jsonResp); err != nil {
glog.Warningf("Failed to decode JSON response: %s", err)
util.Close(resp.Body)
continue
}
issue.Metric.Update(jsonResp["totalResults"])
glog.Infof("Num Issues: %s - %d", issue.Name, jsonResp["totalResults"])
if err == nil && resp.Body != nil {
util.Close(resp.Body)
}
}
liveness.Update()
}
}
func main() {
defer common.LogPanic()
common.InitWithMetrics("probeserver", graphiteServer)
client, err := auth.NewDefaultJWTServiceAccountClient("https://www.googleapis.com/auth/userinfo.email")
if err != nil {
glog.Fatalf("Failed to create client for talking to the issue tracker: %s", err)
}
go monitorIssueTracker(client)
glog.Infoln("Looking for Graphite server.")
addr, err := net.ResolveTCPAddr("tcp", *graphiteServer)
if err != nil {
glog.Fatalln("Failed to resolve the Graphite server: ", err)
}
glog.Infoln("Found Graphite server.")
liveness := imetrics.NewLiveness("probes")
// We have two sets of metrics, one for the probes and one for the probe
// server itself. The server's metrics are handled by common.Init()
probeRegistry := metrics.NewRegistry()
go graphite.Graphite(probeRegistry, common.SAMPLE_PERIOD, *prefix, addr)
// TODO(jcgregorio) Monitor config file and reload if it changes.
cfg, err := readConfigFiles(*config)
if err != nil {
glog.Fatalln("Failed to read config file: ", err)
}
glog.Infoln("Successfully read config file.")
// Register counters for each probe.
for name, probe := range cfg {
probe.failure = metrics.NewRegisteredGauge(name+".failure", probeRegistry)
probe.latency = metrics.NewRegisteredGauge(name+".latency", probeRegistry)
}
// Create a client that uses our dialer with a timeout.
c := &http.Client{
Transport: &http.Transport{
Dial: dialTimeout,
},
}
probeOneRound(cfg, c)
for _ = range time.Tick(*runEvery) {
probeOneRound(cfg, c)
liveness.Update()
}
}
// monitorIssueTracker reads the counts for all the types of issues in the Skia
// issue tracker (bugs.chromium.org/p/skia) and stuffs the counts into Graphite.
func monitorIssueTracker(c *http.Client) {
// Create a new metrics registry for the issue tracker metrics.
addr, err := net.ResolveTCPAddr("tcp", *graphiteServer)
if err != nil {
glog.Fatalln("Failed to resolve the Graphite server: ", err)
}
issueRegistry := metrics.NewRegistry()
go graphite.Graphite(issueRegistry, common.SAMPLE_PERIOD, "issues", addr)
// IssueStatus has all the info we need to capture and record a single issue status. I.e. capture
// the count of all issues with a status of "New".
type IssueStatus struct {
Name string
Metric metrics.Gauge
URL string
}
allIssueStatusLabels := []string{
"New", "Accepted", "Unconfirmed", "Started", "Fixed", "Verified", "Invalid", "WontFix", "Done", "Available", "Assigned",
}
issueStatus := []*IssueStatus{}
for _, issueName := range allIssueStatusLabels {
q := url.Values{}
q.Set("fields", "totalResults")
q.Set("status", issueName)
issueStatus = append(issueStatus, &IssueStatus{
Name: issueName,
Metric: metrics.NewRegisteredGauge(strings.ToLower(issueName), issueRegistry),
URL: issues.MONORAIL_BASE_URL + "?" + q.Encode(),
})
}
liveness := imetrics.NewLiveness("issue-tracker")
for _ = range time.Tick(ISSUE_TRACKER_PERIOD) {
for _, issue := range issueStatus {
resp, err := c.Get(issue.URL)
if err != nil {
glog.Errorf("Failed to retrieve response from %s: %s", issue.URL, err)
continue
}
jsonResp := map[string]int64{}
dec := json.NewDecoder(resp.Body)
if err := dec.Decode(&jsonResp); err != nil {
glog.Warningf("Failed to decode JSON response: %s", err)
util.Close(resp.Body)
continue
}
issue.Metric.Update(jsonResp["totalResults"])
glog.Infof("Num Issues: %s - %d", issue.Name, jsonResp["totalResults"])
if err == nil && resp.Body != nil {
util.Close(resp.Body)
}
}
liveness.Update()
}
}
// Migrates the database to the specified target version. Use DBVersion() to
// retrieve the current version of the database.
func (vdb *VersionedDB) Migrate(targetVersion int) (rv error) {
if (targetVersion < 0) || (targetVersion > vdb.MaxDBVersion()) {
glog.Fatalf("Target db version must be in range: [0 .. %d]", vdb.MaxDBVersion())
}
currentVersion, err := vdb.DBVersion()
if err != nil {
return err
}
if currentVersion > vdb.MaxDBVersion() {
glog.Fatalf("Version table is out of date with current DB version.")
}
if targetVersion == currentVersion {
return nil
}
// start a transaction
txn, err := vdb.DB.Begin()
if err != nil {
return err
}
defer func() { rv = CommitOrRollback(txn, rv) }()
// run through the transactions
runSteps := vdb.getMigrations(currentVersion, targetVersion)
if len(runSteps) == 0 {
glog.Fatalln("Unable to find migration steps.")
}
for _, step := range runSteps {
for _, stmt := range step {
glog.Infoln("EXECUTING: \n", stmt)
if _, err = txn.Exec(stmt); err != nil {
return err
}
}
}
// update the dbversion table
if err = vdb.setDBVersion(txn, targetVersion); err != nil {
return err
}
return nil
}
func BenchmarkBigDataset(b *testing.B) {
// Download the testdata and remove the testdata directory at the end.
err := testutils.DownloadTestDataArchive(b, TEST_DATA_STORAGE_PATH, TEST_DATA_DIR)
assert.Nil(b, err, "Unable to download testdata.")
defer func() {
util.LogErr(os.RemoveAll(TEST_DATA_DIR))
}()
// Load the data
fileInfos, err := ioutil.ReadDir(TEST_DATA_DIR)
assert.Nil(b, err)
results := make(chan interface{}, len(fileInfos))
var codec TestStructCodec
counter := 0
for _, fi := range fileInfos {
if strings.HasSuffix(fi.Name(), ".json") {
go func(fName string) {
f, err := os.Open(fName)
if err != nil {
glog.Fatalf("Unable to open file %s", fName)
}
content, err := ioutil.ReadAll(f)
if err != nil {
glog.Fatalf("Unable to read file %s", fName)
}
v, err := codec.Decode(content)
if err != nil {
glog.Fatalf("Unable to decode file %s", fName)
}
if _, ok := v.(*TestStruct); !ok {
glog.Fatalln("Expected to get instance of TestStruct")
}
// Store the filepath in this field to use as cache key.
ts := v.(*TestStruct)
ts.PixelDiffFilePath = fName
results <- ts
}(filepath.Join("./benchdata", fi.Name()))
counter++
}
}
groundTruth := make(map[string]interface{}, counter)
cache := NewRedisLRUCache("localhost:6379", 1, "di", TestStructCodec(0))
rlruCache := cache.(*RedisLRUCache)
rlruCache.Purge()
for i := 0; i < counter; i++ {
ret := <-results
ts := ret.(*TestStruct)
groundTruth[ts.PixelDiffFilePath] = ret
}
glog.Infof("Done importing %d files. Starting bench.", len(groundTruth))
b.ResetTimer()
for k, v := range groundTruth {
cache.Add(k, v)
}
assert.Equal(b, len(groundTruth), cache.Len())
counter = 0
for k, v := range groundTruth {
found, ok := cache.Get(k)
assert.True(b, ok)
assert.Equal(b, v, found)
counter++
// if (counter % 1000) == 0 {
// glog.Infof("Checked %d records.", counter)
// }
}
b.StopTimer()
// Cleanup code that should not be timed but deserves to be tested.
rlruCache.Purge()
assert.Equal(b, 0, cache.Len())
}
func (g *logger) Fatalln(args ...interface{}) {
glog.Fatalln(args...)
}
// Cleanup cleans up the temporary repo.
func (t *TempRepo) Cleanup() {
if err := os.RemoveAll(t.Dir); err != nil {
glog.Fatalln("Failed to clean up after test:", err)
}
}
