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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "io/ioutil" | ||
| "net" | ||
| "net/http" | ||
| "os" | ||
| "strings" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/Masterminds/semver" | ||
| "github.com/pkg/errors" | ||
| "github.com/spf13/viper" | ||
| "github.com/tsuru/acl-api/api/version" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultServiceName = "acl" | ||
| userAgent = "AclFromHell-Plugin-http-client/1.0" | ||
| ) | ||
|
|
||
| var ( | ||
| baseClient = &http.Client{ | ||
| Transport: &http.Transport{ | ||
| Dial: (&net.Dialer{ | ||
| Timeout: 30 * time.Second, | ||
| KeepAlive: 30 * time.Second, | ||
| }).Dial, | ||
| TLSHandshakeTimeout: 10 * time.Second, | ||
| IdleConnTimeout: 20 * time.Second, | ||
| }, | ||
| Timeout: time.Minute, | ||
| } | ||
|
|
||
| warnOnce sync.Once | ||
| ) | ||
|
|
||
| func serviceInstanceName(args []string, minArgs int) (string, string) { | ||
| var instanceName string | ||
| serviceName := defaultServiceName | ||
| if len(args) == minArgs { | ||
| instanceName = args[0] | ||
| } else if len(args) > minArgs { | ||
| serviceName = args[0] | ||
| instanceName = args[1] | ||
| } | ||
| return serviceName, instanceName | ||
| } | ||
|
|
||
| func doProxyAdminRequest(method, service, path string, body io.Reader) (*http.Response, error) { | ||
| baseURL := viper.GetString("tsuru.target") | ||
| fullUrl := fmt.Sprintf("%s/services/proxy/service/%s?callback=%s", | ||
| strings.TrimSuffix(baseURL, "/"), | ||
| service, | ||
| path, | ||
| ) | ||
| return doProxyURLRequest(method, fullUrl, body) | ||
| } | ||
|
|
||
| func doProxyRequest(method, service, instance, path string, body io.Reader) (*http.Response, error) { | ||
| baseURL := viper.GetString("tsuru.target") | ||
| fullUrl := fmt.Sprintf("%s/services/%s/proxy/%s?callback=%s", | ||
| strings.TrimSuffix(baseURL, "/"), | ||
| service, | ||
| instance, | ||
| path, | ||
| ) | ||
| return doProxyURLRequest(method, fullUrl, body) | ||
| } | ||
|
|
||
| func doProxyURLRequest(method, fullUrl string, body io.Reader) (*http.Response, error) { | ||
| token := viper.GetString("tsuru.token") | ||
| req, err := http.NewRequest(method, fullUrl, body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if body != nil { | ||
| req.Header.Set("Content-Type", "application/json") | ||
| } | ||
| req.Header.Set("Authorization", "bearer "+token) | ||
| req.Header.Set("User-Agent", userAgent) | ||
| rsp, err := baseClient.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if rsp.StatusCode < 200 || rsp.StatusCode >= 400 { | ||
| data, _ := ioutil.ReadAll(rsp.Body) | ||
| rsp.Body.Close() | ||
| return nil, errors.Errorf("invalid status code %d: %q", rsp.StatusCode, string(data)) | ||
| } | ||
| warnOnce.Do(func() { | ||
| warnVersion(rsp.Header) | ||
| }) | ||
| return rsp, nil | ||
| } | ||
|
|
||
| func warnVersion(headers http.Header) { | ||
| versionHeader := headers.Get(version.VersionHeader) | ||
| serverVersion, _ := semver.NewVersion(versionHeader) | ||
| clientVersion, _ := semver.NewVersion(version.Version) | ||
| if serverVersion == nil { | ||
| serverVersion = &semver.Version{} | ||
| } | ||
| if clientVersion == nil { | ||
| clientVersion = &semver.Version{} | ||
| } | ||
| if clientVersion.LessThan(serverVersion) { | ||
| fmt.Fprintln(os.Stderr, "There is a new version of the acl plugin available. Please update it.") | ||
| } | ||
| } |
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