github.com/xgoffin/jenkins-library@v1.154.0/cmd/apiProxyDownload.go (about)

     1  package cmd
     2  
     3  import (
     4  	"fmt"
     5  	"net/http"
     6  
     7  	"github.com/SAP/jenkins-library/pkg/cpi"
     8  	piperhttp "github.com/SAP/jenkins-library/pkg/http"
     9  	"github.com/SAP/jenkins-library/pkg/log"
    10  	"github.com/SAP/jenkins-library/pkg/telemetry"
    11  	"github.com/pkg/errors"
    12  )
    13  
    14  func apiProxyDownload(config apiProxyDownloadOptions, telemetryData *telemetry.CustomData) {
    15  	// Utils can be used wherever the command.ExecRunner interface is expected.
    16  	// It can also be used for example as a mavenExecRunner.
    17  	httpClient := &piperhttp.Client{}
    18  
    19  	// For HTTP calls import  piperhttp "github.com/SAP/jenkins-library/pkg/http"
    20  	// and use a  &piperhttp.Client{} in a custom system
    21  	// Example: step checkmarxExecuteScan.go
    22  
    23  	// Error situations should be bubbled up until they reach the line below which will then stop execution
    24  	// through the log.Entry().Fatal() call leading to an os.Exit(1) in the end.
    25  	err := runApiProxyDownload(&config, telemetryData, httpClient)
    26  	if err != nil {
    27  		log.Entry().WithError(err).Fatal("step execution failed")
    28  	}
    29  }
    30  
    31  func runApiProxyDownload(config *apiProxyDownloadOptions, telemetryData *telemetry.CustomData, httpClient piperhttp.Sender) error {
    32  	clientOptions := piperhttp.ClientOptions{}
    33  	header := make(http.Header)
    34  	header.Add("Accept", "application/zip")
    35  	serviceKey, err := cpi.ReadCpiServiceKey(config.APIServiceKey)
    36  	if err != nil {
    37  		return err
    38  	}
    39  	downloadArtifactURL := fmt.Sprintf("%s/apiportal/api/1.0/Transport.svc/APIProxies?name=%s", serviceKey.OAuth.Host, config.APIProxyName)
    40  	tokenParameters := cpi.TokenParameters{TokenURL: serviceKey.OAuth.OAuthTokenProviderURL,
    41  		Username: serviceKey.OAuth.ClientID, Password: serviceKey.OAuth.ClientSecret, Client: httpClient}
    42  	token, err := cpi.CommonUtils.GetBearerToken(tokenParameters)
    43  	if err != nil {
    44  		return errors.Wrap(err, "failed to fetch Bearer Token")
    45  	}
    46  	clientOptions.Token = fmt.Sprintf("Bearer %s", token)
    47  	httpClient.SetOptions(clientOptions)
    48  	httpMethod := http.MethodGet
    49  	downloadResp, httpErr := httpClient.SendRequest(httpMethod, downloadArtifactURL, nil, header, nil)
    50  	if httpErr != nil {
    51  		return errors.Wrapf(httpErr, "HTTP %v request to %v failed with error", httpMethod, downloadArtifactURL)
    52  	}
    53  	if downloadResp == nil {
    54  		return errors.Errorf("did not retrieve a HTTP response: %v", httpErr)
    55  	}
    56  	failureMessage := "Failed to download API Proxy artefact"
    57  	httpFileDownloadRequestParameters := cpi.HttpFileDownloadRequestParameters{ErrMessage: failureMessage, FileDownloadPath: config.DownloadPath, Response: downloadResp}
    58  	return cpi.HttpCPIUtils.HandleHTTPFileDownloadResponse(httpFileDownloadRequestParameters)
    59  }