-
Notifications
You must be signed in to change notification settings - Fork 2.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* Add status command Signed-off-by: Chen Zhengwei <[email protected]> Signed-off-by: chen zhengwei <[email protected]> * Use make fmt Signed-off-by: Chen Zhengwei <[email protected]> * Add unit test Signed-off-by: Chen Zhengwei <[email protected]> Signed-off-by: chen zhengwei <[email protected]> * Fix unit test. Signed-off-by: Chen Zhengwei <[email protected]> Signed-off-by: chen zhengwei <[email protected]>
- Loading branch information
1 parent
1b20947
commit 6d315d7
Showing
7 changed files
with
152 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // Copyright (c) 2020 The Jaeger 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 status | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "strings" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| "github.com/spf13/viper" | ||
|
|
||
| "github.com/jaegertracing/jaeger/ports" | ||
| ) | ||
|
|
||
| const statusHTTPHostPort = "status.http.host-port" | ||
|
|
||
| // Command for check component status. | ||
| func Command(v *viper.Viper, adminPort int) *cobra.Command { | ||
| c := &cobra.Command{ | ||
| Use: "status", | ||
| Short: "Print the status.", | ||
| Long: `Print Jaeger component status information, exit non-zero on any error.`, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| url := convert(v.GetString(statusHTTPHostPort)) | ||
| resp, err := http.Get(url) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
| body, _ := ioutil.ReadAll(resp.Body) | ||
| fmt.Println(string(body)) | ||
| if resp.StatusCode != http.StatusOK { | ||
| return fmt.Errorf("abnormal value of http status code: %v", resp.StatusCode) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| c.Flags().AddGoFlagSet(flags(&flag.FlagSet{}, adminPort)) | ||
| v.BindPFlags(c.Flags()) | ||
| return c | ||
| } | ||
|
|
||
| func flags(flagSet *flag.FlagSet, adminPort int) *flag.FlagSet { | ||
| adminPortStr := ports.PortToHostPort(adminPort) | ||
| flagSet.String(statusHTTPHostPort, adminPortStr, fmt.Sprintf( | ||
| "The host:port (e.g. 127.0.0.1%s or %s) for the health check", adminPortStr, adminPortStr)) | ||
| return flagSet | ||
| } | ||
|
|
||
| func convert(httpHostPort string) string { | ||
| if strings.HasPrefix(httpHostPort, ":") { | ||
| return fmt.Sprintf("http://127.0.0.1%s", httpHostPort) | ||
| } | ||
| return fmt.Sprintf("http://%s", httpHostPort) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| // Copyright (c) 2020 The Jaeger 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 status | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/spf13/viper" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func readyHandler(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusOK) | ||
| w.Write([]byte("{\"status\":\"Server available\"}")) | ||
| } | ||
|
|
||
| func unavailableHandler(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusServiceUnavailable) | ||
| w.Write([]byte("{\"status\":\"Server not available\"}")) | ||
| } | ||
|
|
||
| func TestReady(t *testing.T) { | ||
| ts := httptest.NewServer(http.HandlerFunc(readyHandler)) | ||
| defer ts.Close() | ||
| v := viper.New() | ||
| cmd := Command(v, 80) | ||
| cmd.ParseFlags([]string{"--status.http.host-port=" + strings.TrimPrefix(ts.URL, "http://")}) | ||
| err := cmd.Execute() | ||
| assert.NoError(t, err) | ||
| } | ||
|
|
||
| func TestOnlyPortConfig(t *testing.T) { | ||
| ts := httptest.NewServer(http.HandlerFunc(readyHandler)) | ||
| defer ts.Close() | ||
| v := viper.New() | ||
| cmd := Command(v, 80) | ||
| cmd.ParseFlags([]string{"--status.http.host-port=:" + strings.Split(ts.URL, ":")[len(strings.Split(ts.URL, ":"))-1]}) | ||
| err := cmd.Execute() | ||
| assert.NoError(t, err) | ||
| } | ||
|
|
||
| func TestUnready(t *testing.T) { | ||
| ts := httptest.NewServer(http.HandlerFunc(unavailableHandler)) | ||
| defer ts.Close() | ||
| v := viper.New() | ||
| cmd := Command(v, 80) | ||
| cmd.ParseFlags([]string{"--status.http.host-port=" + strings.TrimPrefix(ts.URL, "http://")}) | ||
| err := cmd.Execute() | ||
| assert.Error(t, err) | ||
| } | ||
|
|
||
| func TestNoService(t *testing.T) { | ||
| v := viper.New() | ||
| cmd := Command(v, 12345) | ||
| err := cmd.Execute() | ||
| assert.Error(t, err) | ||
| } |