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docs,tools/etcd-dump-metrics: automate metrics documentation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Copyright 2018 The etcd Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/url" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/coreos/etcd/clientv3" | ||
| "github.com/coreos/etcd/embed" | ||
|
|
||
| "go.uber.org/zap" | ||
| ) | ||
|
|
||
| func newEmbedURLs(n int) (urls []url.URL) { | ||
| urls = make([]url.URL, n) | ||
| for i := 0; i < n; i++ { | ||
| u, _ := url.Parse(fmt.Sprintf("unix://localhost:%d%06d", os.Getpid(), i)) | ||
| urls[i] = *u | ||
| } | ||
| return urls | ||
| } | ||
|
|
||
| func setupEmbedCfg(cfg *embed.Config, curls, purls, ics []url.URL) { | ||
| cfg.Logger = "zap" | ||
| cfg.LogOutputs = []string{"/dev/null"} | ||
| // []string{"stderr"} to enable server logging | ||
| cfg.Debug = false | ||
|
|
||
| var err error | ||
| cfg.Dir, err = ioutil.TempDir(os.TempDir(), fmt.Sprintf("%016X", time.Now().UnixNano())) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| os.RemoveAll(cfg.Dir) | ||
|
|
||
| cfg.ClusterState = "new" | ||
| cfg.LCUrls, cfg.ACUrls = curls, curls | ||
| cfg.LPUrls, cfg.APUrls = purls, purls | ||
|
|
||
| cfg.InitialCluster = "" | ||
| for i := range ics { | ||
| cfg.InitialCluster += fmt.Sprintf(",%d=%s", i, ics[i].String()) | ||
| } | ||
| cfg.InitialCluster = cfg.InitialCluster[1:] | ||
| } | ||
|
|
||
| func getCommand(exec, name, dir, cURL, pURL, cluster string) string { | ||
| s := fmt.Sprintf("%s --name %s --data-dir %s --listen-client-urls %s --advertise-client-urls %s ", | ||
| exec, name, dir, cURL, cURL) | ||
| s += fmt.Sprintf("--listen-peer-urls %s --initial-advertise-peer-urls %s ", pURL, pURL) | ||
| s += fmt.Sprintf("--initial-cluster %s ", cluster) | ||
| return s + "--initial-cluster-token tkn --initial-cluster-state new" | ||
| } | ||
|
|
||
| func write(ep string) { | ||
| cli, err := clientv3.New(clientv3.Config{Endpoints: []string{strings.Replace(ep, "/metrics", "", 1)}}) | ||
| if err != nil { | ||
| lg.Panic("failed to create client", zap.Error(err)) | ||
| } | ||
| defer cli.Close() | ||
| ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) | ||
| defer cancel() | ||
| _, err = cli.Put(ctx, "____test", "") | ||
| if err != nil { | ||
| lg.Panic("failed to write test key", zap.Error(err)) | ||
| } | ||
| _, err = cli.Get(ctx, "____test") | ||
| if err != nil { | ||
| lg.Panic("failed to read test key", zap.Error(err)) | ||
| } | ||
| _, err = cli.Delete(ctx, "____test") | ||
| if err != nil { | ||
| lg.Panic("failed to delete test key", zap.Error(err)) | ||
| } | ||
| cli.Watch(ctx, "____test", clientv3.WithCreatedNotify()) | ||
| } |
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| // Copyright 2018 The etcd Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // +build darwin | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
|
|
||
| "github.com/coreos/etcd/pkg/fileutil" | ||
| ) | ||
|
|
||
| const downloadURL = `https://storage.googleapis.com/etcd/%s/etcd-%s-darwin-amd64.zip` | ||
|
|
||
| func install(ver, dir string) (string, error) { | ||
| ep := fmt.Sprintf(downloadURL, ver, ver) | ||
|
|
||
| resp, err := http.Get(ep) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| d, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| zipPath := filepath.Join(dir, "etcd.zip") | ||
| if err = ioutil.WriteFile(zipPath, d, fileutil.PrivateFileMode); err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if err = exec.Command("bash", "-c", fmt.Sprintf("unzip %s -d %s", zipPath, dir)).Run(); err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| bp1 := filepath.Join(dir, fmt.Sprintf("etcd-%s-darwin-amd64", ver), "etcd") | ||
| bp2 := filepath.Join(dir, "etcd") | ||
| return bp2, os.Rename(bp1, bp2) | ||
| } |
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Copyright 2018 The etcd Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // +build linux | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "os/exec" | ||
| "path/filepath" | ||
|
|
||
| "github.com/coreos/etcd/pkg/fileutil" | ||
| ) | ||
|
|
||
| const downloadURL = `https://storage.googleapis.com/etcd/%s/etcd-%s-linux-amd64.tar.gz` | ||
|
|
||
| func install(ver, dir string) (string, error) { | ||
| ep := fmt.Sprintf(downloadURL, ver, ver) | ||
|
|
||
| resp, err := http.Get(ep) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| d, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| tarPath := filepath.Join(dir, "etcd.tar.gz") | ||
| if err = ioutil.WriteFile(tarPath, d, fileutil.PrivateFileMode); err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if err = exec.Command("bash", "-c", fmt.Sprintf("tar xzvf %s -C %s --strip-components=1", tarPath, dir)).Run(); err != nil { | ||
| return "", err | ||
| } | ||
| return filepath.Join(dir, "etcd"), nil | ||
| } |
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // Copyright 2018 The etcd Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // +build windows | ||
|
|
||
| package main | ||
|
|
||
| import "errors" | ||
|
|
||
| func install(ver, dir string) error { | ||
| return errors.New("windows install is not supported yet") | ||
| } |