github.com/jaylevin/jenkins-library@v1.230.4/cmd/integrationArtifactGetServiceEndpoint.go (about) 1 package cmd 2 3 import ( 4 "fmt" 5 "io/ioutil" 6 "net/http" 7 "strings" 8 9 "github.com/Jeffail/gabs/v2" 10 "github.com/SAP/jenkins-library/pkg/command" 11 "github.com/SAP/jenkins-library/pkg/cpi" 12 piperhttp "github.com/SAP/jenkins-library/pkg/http" 13 "github.com/SAP/jenkins-library/pkg/log" 14 "github.com/SAP/jenkins-library/pkg/telemetry" 15 "github.com/pkg/errors" 16 ) 17 18 type integrationArtifactGetServiceEndpointUtils interface { 19 command.ExecRunner 20 21 // Add more methods here, or embed additional interfaces, or remove/replace as required. 22 // The integrationArtifactGetServiceEndpointUtils interface should be descriptive of your runtime dependencies, 23 // i.e. include everything you need to be able to mock in tests. 24 // Unit tests shall be executable in parallel (not depend on global state), and don't (re-)test dependencies. 25 } 26 27 type integrationArtifactGetServiceEndpointUtilsBundle struct { 28 *command.Command 29 30 // Embed more structs as necessary to implement methods or interfaces you add to integrationArtifactGetServiceEndpointUtils. 31 // Structs embedded in this way must each have a unique set of methods attached. 32 // If there is no struct which implements the method you need, attach the method to 33 // integrationArtifactGetServiceEndpointUtilsBundle and forward to the implementation of the dependency. 34 } 35 36 func newIntegrationArtifactGetServiceEndpointUtils() integrationArtifactGetServiceEndpointUtils { 37 utils := integrationArtifactGetServiceEndpointUtilsBundle{ 38 Command: &command.Command{}, 39 } 40 // Reroute command output to logging framework 41 utils.Stdout(log.Writer()) 42 utils.Stderr(log.Writer()) 43 return &utils 44 } 45 46 func integrationArtifactGetServiceEndpoint(config integrationArtifactGetServiceEndpointOptions, telemetryData *telemetry.CustomData, commonPipelineEnvironment *integrationArtifactGetServiceEndpointCommonPipelineEnvironment) { 47 // Utils can be used wherever the command.ExecRunner interface is expected. 48 // It can also be used for example as a mavenExecRunner. 49 httpClient := &piperhttp.Client{} 50 51 // For HTTP calls import piperhttp "github.com/SAP/jenkins-library/pkg/http" 52 // and use a &piperhttp.Client{} in a custom system 53 // Example: step checkmarxExecuteScan.go 54 55 // Error situations should be bubbled up until they reach the line below which will then stop execution 56 // through the log.Entry().Fatal() call leading to an os.Exit(1) in the end. 57 err := runIntegrationArtifactGetServiceEndpoint(&config, telemetryData, httpClient, commonPipelineEnvironment) 58 if err != nil { 59 log.Entry().WithError(err).Fatal("step execution failed") 60 } 61 } 62 63 func runIntegrationArtifactGetServiceEndpoint(config *integrationArtifactGetServiceEndpointOptions, telemetryData *telemetry.CustomData, httpClient piperhttp.Sender, commonPipelineEnvironment *integrationArtifactGetServiceEndpointCommonPipelineEnvironment) error { 64 clientOptions := piperhttp.ClientOptions{} 65 header := make(http.Header) 66 header.Add("Accept", "application/json") 67 serviceKey, err := cpi.ReadCpiServiceKey(config.APIServiceKey) 68 if err != nil { 69 return err 70 } 71 servieEndpointURL := fmt.Sprintf("%s/api/v1/ServiceEndpoints?$expand=EntryPoints", serviceKey.OAuth.Host) 72 tokenParameters := cpi.TokenParameters{TokenURL: serviceKey.OAuth.OAuthTokenProviderURL, Username: serviceKey.OAuth.ClientID, Password: serviceKey.OAuth.ClientSecret, Client: httpClient} 73 token, err := cpi.CommonUtils.GetBearerToken(tokenParameters) 74 if err != nil { 75 return errors.Wrap(err, "failed to fetch Bearer Token") 76 } 77 clientOptions.Token = fmt.Sprintf("Bearer %s", token) 78 httpClient.SetOptions(clientOptions) 79 httpMethod := "GET" 80 serviceEndpointResp, httpErr := httpClient.SendRequest(httpMethod, servieEndpointURL, nil, header, nil) 81 82 if httpErr != nil { 83 return errors.Wrapf(httpErr, "HTTP %v request to %v failed with error", httpMethod, servieEndpointURL) 84 } 85 86 if serviceEndpointResp != nil && serviceEndpointResp.Body != nil { 87 defer serviceEndpointResp.Body.Close() 88 } 89 90 if serviceEndpointResp == nil { 91 return errors.Errorf("did not retrieve a HTTP response: %v", httpErr) 92 } 93 94 if serviceEndpointResp.StatusCode == 200 { 95 bodyText, readErr := ioutil.ReadAll(serviceEndpointResp.Body) 96 if readErr != nil { 97 return errors.Wrap(readErr, "HTTP response body could not be read") 98 } 99 jsonResponse, parsingErr := gabs.ParseJSON([]byte(bodyText)) 100 if parsingErr != nil { 101 return errors.Wrapf(parsingErr, "HTTP response body could not be parsed as JSON: %v", string(bodyText)) 102 } 103 104 for _, child := range jsonResponse.S("d", "results").Children() { 105 iflowID := strings.ReplaceAll(child.Path("Name").String(), "\"", "") 106 if iflowID == config.IntegrationFlowID { 107 entryPoints := child.S("EntryPoints") 108 finalEndpoint := entryPoints.Path("results.0.Url").Data().(string) 109 commonPipelineEnvironment.custom.integrationFlowServiceEndpoint = finalEndpoint 110 return nil 111 } 112 } 113 } 114 responseBody, readErr := ioutil.ReadAll(serviceEndpointResp.Body) 115 116 if readErr != nil { 117 return errors.Wrapf(readErr, "HTTP response body could not be read, Response status code: %v", serviceEndpointResp.StatusCode) 118 } 119 120 log.Entry().Errorf("a HTTP error occurred! Response body: %v, Response status code: %v", string(responseBody), serviceEndpointResp.StatusCode) 121 return errors.Errorf("Unable to get integration flow service endpoint, Response Status code: %v", serviceEndpointResp.StatusCode) 122 }