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feat(ci): Bump to upstream v1.78.3 (#18)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 1.76.6 | ||
| 1.78.3 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| // Copyright (c) Tailscale Inc & AUTHORS | ||
| // SPDX-License-Identifier: BSD-3-Clause | ||
|
|
||
| // checkmetrics validates that all metrics in the tailscale client-metrics | ||
| // are documented in a given path or URL. | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "flag" | ||
| "fmt" | ||
| "io" | ||
| "log" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "tailscale.com/ipn/store/mem" | ||
| "tailscale.com/tsnet" | ||
| "tailscale.com/tstest/integration/testcontrol" | ||
| "tailscale.com/util/httpm" | ||
| ) | ||
|
|
||
| var ( | ||
| kbPath = flag.String("kb-path", "", "filepath to the client-metrics knowledge base") | ||
| kbUrl = flag.String("kb-url", "", "URL to the client-metrics knowledge base page") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
| if *kbPath == "" && *kbUrl == "" { | ||
| log.Fatalf("either -kb-path or -kb-url must be set") | ||
| } | ||
|
|
||
| var control testcontrol.Server | ||
| ts := httptest.NewServer(&control) | ||
| defer ts.Close() | ||
|
|
||
| td, err := os.MkdirTemp("", "testcontrol") | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer os.RemoveAll(td) | ||
|
|
||
| // tsnet is used not used as a Tailscale client, but as a way to | ||
| // boot up Tailscale, have all the metrics registered, and then | ||
| // verifiy that all the metrics are documented. | ||
| tsn := &tsnet.Server{ | ||
| Dir: td, | ||
| Store: new(mem.Store), | ||
| UserLogf: log.Printf, | ||
| Ephemeral: true, | ||
| ControlURL: ts.URL, | ||
| } | ||
| if err := tsn.Start(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer tsn.Close() | ||
|
|
||
| log.Printf("checking that all metrics are documented, looking for: %s", tsn.Sys().UserMetricsRegistry().MetricNames()) | ||
|
|
||
| if *kbPath != "" { | ||
| kb, err := readKB(*kbPath) | ||
| if err != nil { | ||
| log.Fatalf("reading kb: %v", err) | ||
| } | ||
| missing := undocumentedMetrics(kb, tsn.Sys().UserMetricsRegistry().MetricNames()) | ||
|
|
||
| if len(missing) > 0 { | ||
| log.Fatalf("found undocumented metrics in %q: %v", *kbPath, missing) | ||
| } | ||
| } | ||
|
|
||
| if *kbUrl != "" { | ||
| ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second) | ||
| defer cancel() | ||
|
|
||
| kb, err := getKB(ctx, *kbUrl) | ||
| if err != nil { | ||
| log.Fatalf("getting kb: %v", err) | ||
| } | ||
| missing := undocumentedMetrics(kb, tsn.Sys().UserMetricsRegistry().MetricNames()) | ||
|
|
||
| if len(missing) > 0 { | ||
| log.Fatalf("found undocumented metrics in %q: %v", *kbUrl, missing) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func readKB(path string) (string, error) { | ||
| b, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return "", fmt.Errorf("reading file: %w", err) | ||
| } | ||
|
|
||
| return string(b), nil | ||
| } | ||
|
|
||
| func getKB(ctx context.Context, url string) (string, error) { | ||
| req, err := http.NewRequestWithContext(ctx, httpm.GET, url, nil) | ||
| if err != nil { | ||
| return "", fmt.Errorf("creating request: %w", err) | ||
| } | ||
|
|
||
| resp, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return "", fmt.Errorf("getting kb page: %w", err) | ||
| } | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| return "", fmt.Errorf("unexpected status code: %d", resp.StatusCode) | ||
| } | ||
|
|
||
| b, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "", fmt.Errorf("reading body: %w", err) | ||
| } | ||
| return string(b), nil | ||
| } | ||
|
|
||
| func undocumentedMetrics(b string, metrics []string) []string { | ||
| var missing []string | ||
| for _, metric := range metrics { | ||
| if !strings.Contains(b, metric) { | ||
| missing = append(missing, metric) | ||
| } | ||
| } | ||
| return missing | ||
| } |
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