mirror of
https://github.com/SAP/jenkins-library.git
synced 2024-12-14 11:03:09 +02:00
259 lines
9.6 KiB
Go
259 lines
9.6 KiB
Go
package cmd
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import (
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"bytes"
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"encoding/json"
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"io/ioutil"
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"net/http"
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"net/http/cookiejar"
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"strings"
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"time"
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"github.com/SAP/jenkins-library/pkg/command"
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piperhttp "github.com/SAP/jenkins-library/pkg/http"
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"github.com/SAP/jenkins-library/pkg/log"
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"github.com/SAP/jenkins-library/pkg/telemetry"
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"github.com/pkg/errors"
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)
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func abapEnvironmentPullGitRepo(config abapEnvironmentPullGitRepoOptions, telemetryData *telemetry.CustomData) error {
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c := command.Command{}
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var connectionDetails, error = getAbapCommunicationArrangementInfo(config, &c)
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if error != nil {
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log.Entry().WithError(error).Fatal("Parameters for the ABAP Connection not available")
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}
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client := piperhttp.Client{}
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cookieJar, _ := cookiejar.New(nil)
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clientOptions := piperhttp.ClientOptions{
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MaxRequestDuration: 60 * time.Second,
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CookieJar: cookieJar,
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Username: connectionDetails.User,
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Password: connectionDetails.Password,
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}
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client.SetOptions(clientOptions)
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var uriConnectionDetails, err = triggerPull(config, connectionDetails, &client)
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if err != nil {
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log.Entry().WithError(err).Fatal("Pull failed on the ABAP System")
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}
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var status, er = pollEntity(config, uriConnectionDetails, &client, 10*time.Second)
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if er != nil {
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log.Entry().WithError(er).Fatal("Pull failed on the ABAP System")
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}
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if status == "E" {
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log.Entry().Fatal("Pull failed on the ABAP System")
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}
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return nil
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}
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func triggerPull(config abapEnvironmentPullGitRepoOptions, pullConnectionDetails connectionDetailsHTTP, client piperhttp.Sender) (connectionDetailsHTTP, error) {
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uriConnectionDetails := pullConnectionDetails
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uriConnectionDetails.URL = ""
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pullConnectionDetails.XCsrfToken = "fetch"
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// Loging into the ABAP System - getting the x-csrf-token and cookies
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var resp, err = getHTTPResponse("HEAD", pullConnectionDetails, nil, client)
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if err != nil {
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handleHTTPError(resp, err, "Authentication on the ABAP system failed", pullConnectionDetails)
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return uriConnectionDetails, err
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}
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defer resp.Body.Close()
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log.Entry().WithField("StatusCode", resp.Status).WithField("ABAP Endpoint", pullConnectionDetails.URL).Info("Authentication on the ABAP system successfull")
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uriConnectionDetails.XCsrfToken = resp.Header.Get("X-Csrf-Token")
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pullConnectionDetails.XCsrfToken = uriConnectionDetails.XCsrfToken
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// Trigger the Pull of a Repository
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var jsonBody = []byte(`{"sc_name":"` + config.RepositoryName + `"}`)
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resp, err = getHTTPResponse("POST", pullConnectionDetails, jsonBody, client)
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if err != nil {
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handleHTTPError(resp, err, "Could not pull the Repository / Software Component "+config.RepositoryName, uriConnectionDetails)
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return uriConnectionDetails, err
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}
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defer resp.Body.Close()
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log.Entry().WithField("StatusCode", resp.Status).WithField("repositoryName", config.RepositoryName).Info("Triggered Pull of Repository / Software Component")
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// Parse Response
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var body abapEntity
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var abapResp map[string]*json.RawMessage
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bodyText, err := ioutil.ReadAll(resp.Body)
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json.Unmarshal(bodyText, &abapResp)
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json.Unmarshal(*abapResp["d"], &body)
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if body == (abapEntity{}) {
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log.Entry().WithField("StatusCode", resp.Status).WithField("repositoryName", config.RepositoryName).Error("Could not pull the Repository / Software Component")
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var err = errors.New("Request to ABAP System not successful")
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return uriConnectionDetails, err
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}
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uriConnectionDetails.URL = body.Metadata.URI
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return uriConnectionDetails, nil
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}
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func pollEntity(config abapEnvironmentPullGitRepoOptions, connectionDetails connectionDetailsHTTP, client piperhttp.Sender, pollIntervall time.Duration) (string, error) {
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log.Entry().Info("Start polling the status...")
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var status string = "R"
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for {
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var resp, err = getHTTPResponse("GET", connectionDetails, nil, client)
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if err != nil {
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handleHTTPError(resp, err, "Could not pull the Repository / Software Component "+config.RepositoryName, connectionDetails)
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return "", err
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}
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defer resp.Body.Close()
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// Parse response
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var body abapEntity
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bodyText, _ := ioutil.ReadAll(resp.Body)
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var abapResp map[string]*json.RawMessage
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json.Unmarshal(bodyText, &abapResp)
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json.Unmarshal(*abapResp["d"], &body)
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if body == (abapEntity{}) {
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log.Entry().WithField("StatusCode", resp.Status).WithField("repositoryName", config.RepositoryName).Error("Could not pull the Repository / Software Component")
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var err = errors.New("Request to ABAP System not successful")
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return "", err
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}
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status = body.Status
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log.Entry().WithField("StatusCode", resp.Status).Info("Pull Status: " + body.StatusDescr)
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if body.Status != "R" {
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break
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}
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time.Sleep(pollIntervall)
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}
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return status, nil
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}
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func getAbapCommunicationArrangementInfo(config abapEnvironmentPullGitRepoOptions, c execRunner) (connectionDetailsHTTP, error) {
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var connectionDetails connectionDetailsHTTP
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var error error
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if config.Host != "" {
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// Host, User and Password are directly provided
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connectionDetails.URL = "https://" + config.Host + "/sap/opu/odata/sap/MANAGE_GIT_REPOSITORY/Pull"
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connectionDetails.User = config.Username
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connectionDetails.Password = config.Password
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} else {
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if config.CfAPIEndpoint == "" || config.CfOrg == "" || config.CfSpace == "" || config.CfServiceInstance == "" || config.CfServiceKey == "" {
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var err = errors.New("Parameters missing. Please provide EITHER the Host of the ABAP server OR the Cloud Foundry ApiEndpoint, Organization, Space, Service Instance and a corresponding Service Key for the Communication Scenario SAP_COM_0510")
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return connectionDetails, err
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}
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// Url, User and Password should be read from a cf service key
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var abapServiceKey, error = readCfServiceKey(config, c)
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if error != nil {
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return connectionDetails, errors.Wrap(error, "Read service key failed")
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}
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connectionDetails.URL = abapServiceKey.URL + "/sap/opu/odata/sap/MANAGE_GIT_REPOSITORY/Pull"
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connectionDetails.User = abapServiceKey.Abap.Username
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connectionDetails.Password = abapServiceKey.Abap.Password
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}
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return connectionDetails, error
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}
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func readCfServiceKey(config abapEnvironmentPullGitRepoOptions, c execRunner) (serviceKey, error) {
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var abapServiceKey serviceKey
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c.Stderr(log.Entry().Writer())
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// Logging into the Cloud Foundry via CF CLI
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log.Entry().WithField("cfApiEndpoint", config.CfAPIEndpoint).WithField("cfSpace", config.CfSpace).WithField("cfOrg", config.CfOrg).WithField("User", config.Username).Info("Cloud Foundry parameters: ")
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cfLoginSlice := []string{"login", "-a", config.CfAPIEndpoint, "-u", config.Username, "-p", config.Password, "-o", config.CfOrg, "-s", config.CfSpace}
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error := c.RunExecutable("cf", cfLoginSlice...)
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if error != nil {
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log.Entry().Error("Login at cloud foundry failed.")
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return abapServiceKey, error
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}
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// Reading the Service Key via CF CLI
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var serviceKeyBytes bytes.Buffer
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c.Stdout(&serviceKeyBytes)
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cfReadServiceKeySlice := []string{"service-key", config.CfServiceInstance, config.CfServiceKey}
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error = c.RunExecutable("cf", cfReadServiceKeySlice...)
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var serviceKeyJSON string
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if len(serviceKeyBytes.String()) > 0 {
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var lines []string = strings.Split(serviceKeyBytes.String(), "\n")
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serviceKeyJSON = strings.Join(lines[2:], "")
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}
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if error != nil {
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return abapServiceKey, error
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}
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log.Entry().WithField("cfServiceInstance", config.CfServiceInstance).WithField("cfServiceKey", config.CfServiceKey).Info("Read service key for service instance")
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json.Unmarshal([]byte(serviceKeyJSON), &abapServiceKey)
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if abapServiceKey == (serviceKey{}) {
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return abapServiceKey, errors.New("Parsing the service key failed")
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}
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return abapServiceKey, error
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}
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func getHTTPResponse(requestType string, connectionDetails connectionDetailsHTTP, body []byte, client piperhttp.Sender) (*http.Response, error) {
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header := make(map[string][]string)
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header["Content-Type"] = []string{"application/json"}
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header["Accept"] = []string{"application/json"}
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header["x-csrf-token"] = []string{connectionDetails.XCsrfToken}
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req, err := client.SendRequest(requestType, connectionDetails.URL, bytes.NewBuffer(body), header, nil)
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return req, err
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}
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func handleHTTPError(resp *http.Response, err error, message string, connectionDetails connectionDetailsHTTP) {
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if resp == nil {
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log.Entry().WithError(err).WithField("ABAP Endpoint", connectionDetails.URL).Error("Request failed")
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} else {
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log.Entry().WithField("StatusCode", resp.Status).Error(message)
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resp.Body.Close()
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}
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}
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type abapEntity struct {
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Metadata abapMetadata `json:"__metadata"`
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UUID string `json:"uuid"`
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ScName string `json:"sc_name"`
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Namespace string `json:"namepsace"`
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Status string `json:"status"`
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StatusDescr string `json:"status_descr"`
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ToExecutionLog deferred `json:"to_Execution_log"`
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ToTransportLog deferred `json:"to_Transport_log"`
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}
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type abapMetadata struct {
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URI string `json:"uri"`
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}
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type serviceKey struct {
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Abap abapConenction `json:"abap"`
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Binding abapBinding `json:"binding"`
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Systemid string `json:"systemid"`
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URL string `json:"url"`
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}
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type deferred struct {
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URI string `json:"uri"`
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}
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type abapConenction struct {
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CommunicationArrangementID string `json:"communication_arrangement_id"`
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CommunicationScenarioID string `json:"communication_scenario_id"`
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CommunicationSystemID string `json:"communication_system_id"`
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Password string `json:"password"`
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Username string `json:"username"`
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}
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type abapBinding struct {
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Env string `json:"env"`
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ID string `json:"id"`
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Type string `json:"type"`
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Version string `json:"version"`
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}
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type connectionDetailsHTTP struct {
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User string `json:"user"`
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Password string `json:"password"`
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URL string `json:"url"`
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XCsrfToken string `json:"xcsrftoken"`
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}
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