1
0
mirror of https://github.com/SAP/jenkins-library.git synced 2024-12-12 10:55:20 +02:00
sap-jenkins-library/cmd/abapEnvironmentPullGitRepo.go

249 lines
9.3 KiB
Go

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