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
2020-07-07 16:19:57 +02:00

378 lines
14 KiB
Go

package cmd
import (
"bytes"
"encoding/json"
"io/ioutil"
"net/http"
"net/http/cookiejar"
"reflect"
"regexp"
"sort"
"strconv"
"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 {
// Determine the host, user and password, either via the input parameters or via a cloud foundry service key
c := command.Command{}
connectionDetails, errorGetInfo := getAbapCommunicationArrangementInfo(config, &c)
if errorGetInfo != nil {
log.Entry().WithError(errorGetInfo).Fatal("Parameters for the ABAP Connection not available")
}
// Configuring the HTTP Client and CookieJar
client := piperhttp.Client{}
cookieJar, errorCookieJar := cookiejar.New(nil)
if errorCookieJar != nil {
log.Entry().WithError(errorCookieJar).Fatal("Could not create a Cookie Jar")
}
clientOptions := piperhttp.ClientOptions{
MaxRequestDuration: 180 * time.Second,
CookieJar: cookieJar,
Username: connectionDetails.User,
Password: connectionDetails.Password,
}
client.SetOptions(clientOptions)
pollIntervall := 10 * time.Second
log.Entry().Infof("Start pulling %v repositories", len(config.RepositoryNames))
for _, repositoryName := range config.RepositoryNames {
log.Entry().Info("-------------------------")
log.Entry().Info("Start pulling " + repositoryName)
log.Entry().Info("-------------------------")
// Triggering the Pull of the repository into the ABAP Environment system
uriConnectionDetails, errorTriggerPull := triggerPull(repositoryName, connectionDetails, &client)
if errorTriggerPull != nil {
log.Entry().WithError(errorTriggerPull).Fatal("Pull of " + repositoryName + " failed on the ABAP System")
}
// Polling the status of the repository import on the ABAP Environment system
status, errorPollEntity := pollEntity(repositoryName, uriConnectionDetails, &client, pollIntervall)
if errorPollEntity != nil {
log.Entry().WithError(errorPollEntity).Fatal("Pull of " + repositoryName + " failed on the ABAP System")
}
if status == "E" {
log.Entry().Fatal("Pull of " + repositoryName + " failed on the ABAP System")
}
log.Entry().Info(repositoryName + " was pulled successfully")
}
log.Entry().Info("-------------------------")
log.Entry().Info("All repositories were pulled successfully")
return nil
}
func triggerPull(repositoryName string, 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
resp, err := getHTTPResponse("HEAD", pullConnectionDetails, nil, client)
if err != nil {
err = handleHTTPError(resp, err, "Authentication on the ABAP system failed", pullConnectionDetails)
return uriConnectionDetails, err
}
defer resp.Body.Close()
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
if repositoryName == "" {
return uriConnectionDetails, errors.New("An empty string was passed for the parameter 'repositoryName'")
}
jsonBody := []byte(`{"sc_name":"` + repositoryName + `"}`)
resp, err = getHTTPResponse("POST", pullConnectionDetails, jsonBody, client)
if err != nil {
err = handleHTTPError(resp, err, "Could not pull the Repository / Software Component "+repositoryName, uriConnectionDetails)
return uriConnectionDetails, err
}
defer resp.Body.Close()
log.Entry().WithField("StatusCode", resp.Status).WithField("repositoryName", repositoryName).Info("Triggered Pull of Repository / Software Component")
// Parse Response
var body abapEntity
var abapResp map[string]*json.RawMessage
bodyText, errRead := ioutil.ReadAll(resp.Body)
if errRead != nil {
return uriConnectionDetails, err
}
json.Unmarshal(bodyText, &abapResp)
json.Unmarshal(*abapResp["d"], &body)
if reflect.DeepEqual(abapEntity{}, body) {
log.Entry().WithField("StatusCode", resp.Status).WithField("repositoryName", repositoryName).Error("Could not pull the Repository / Software Component")
err := errors.New("Request to ABAP System not successful")
return uriConnectionDetails, err
}
expandLog := "?$expand=to_Execution_log,to_Transport_log"
uriConnectionDetails.URL = body.Metadata.URI + expandLog
return uriConnectionDetails, nil
}
func pollEntity(repositoryName string, 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)
if err != nil {
err = handleHTTPError(resp, err, "Could not pull the Repository / Software Component "+repositoryName, connectionDetails)
return "", err
}
defer resp.Body.Close()
// 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 reflect.DeepEqual(abapEntity{}, body) {
log.Entry().WithField("StatusCode", resp.Status).WithField("repositoryName", 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" {
printLogs(body)
break
}
time.Sleep(pollIntervall)
}
return status, nil
}
func getAbapCommunicationArrangementInfo(config abapEnvironmentPullGitRepoOptions, c command.ExecRunner) (connectionDetailsHTTP, error) {
var connectionDetails connectionDetailsHTTP
var error error
if config.Host != "" {
// Host, User and Password are directly provided
matchedkey, error := regexp.MatchString(`^[hH][tT][tT][pP][sS]:\/\/.*`, config.Host)
if error != nil {
return connectionDetails, errors.New("Error occured while parsing the host parameter. Please check if this parameter has been seet correctly")
}
if matchedkey {
connectionDetails.URL = config.Host + "/sap/opu/odata/sap/MANAGE_GIT_REPOSITORY/Pull"
} else {
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.CfServiceKeyName == "" {
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 command.ExecRunner) (serviceKey, error) {
var abapServiceKey serviceKey
c.Stderr(log.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}
errorRunExecutable := c.RunExecutable("cf", cfLoginSlice...)
if errorRunExecutable != nil {
log.Entry().Error("Login at cloud foundry failed.")
return abapServiceKey, errorRunExecutable
}
// Reading the Service Key via CF CLI
var serviceKeyBytes bytes.Buffer
c.Stdout(&serviceKeyBytes)
cfReadServiceKeySlice := []string{"service-key", config.CfServiceInstance, config.CfServiceKeyName}
errorRunExecutable = 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 errorRunExecutable != nil {
return abapServiceKey, errorRunExecutable
}
log.Entry().WithField("cfServiceInstance", config.CfServiceInstance).WithField("cfServiceKeyName", config.CfServiceKeyName).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, errorRunExecutable
}
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
}
func handleHTTPError(resp *http.Response, err error, message string, connectionDetails connectionDetailsHTTP) error {
if resp == nil {
// Response is nil in case of a timeout
log.Entry().WithError(err).WithField("ABAP Endpoint", connectionDetails.URL).Error("Request failed")
} else {
log.Entry().WithField("StatusCode", resp.Status).Error(message)
// Include the error message of the ABAP Environment system, if available
var abapErrorResponse abapError
bodyText, readError := ioutil.ReadAll(resp.Body)
if readError != nil {
return readError
}
var abapResp map[string]*json.RawMessage
json.Unmarshal(bodyText, &abapResp)
json.Unmarshal(*abapResp["error"], &abapErrorResponse)
if (abapError{}) != abapErrorResponse {
log.Entry().WithField("ErrorCode", abapErrorResponse.Code).Error(abapErrorResponse.Message.Value)
abapError := errors.New(abapErrorResponse.Code + " - " + abapErrorResponse.Message.Value)
err = errors.Wrap(abapError, err.Error())
}
resp.Body.Close()
}
return err
}
func printLogs(entity abapEntity) {
// Sort logs
sort.SliceStable(entity.ToExecutionLog.Results, func(i, j int) bool {
return entity.ToExecutionLog.Results[i].Index < entity.ToExecutionLog.Results[j].Index
})
sort.SliceStable(entity.ToTransportLog.Results, func(i, j int) bool {
return entity.ToTransportLog.Results[i].Index < entity.ToTransportLog.Results[j].Index
})
log.Entry().Info("-------------------------")
log.Entry().Info("Transport Log")
log.Entry().Info("-------------------------")
for _, logEntry := range entity.ToTransportLog.Results {
log.Entry().WithField("Timestamp", convertTime(logEntry.Timestamp)).Info(logEntry.Description)
}
log.Entry().Info("-------------------------")
log.Entry().Info("Execution Log")
log.Entry().Info("-------------------------")
for _, logEntry := range entity.ToExecutionLog.Results {
log.Entry().WithField("Timestamp", convertTime(logEntry.Timestamp)).Info(logEntry.Description)
}
log.Entry().Info("-------------------------")
}
func convertTime(logTimeStamp string) time.Time {
// The ABAP Environment system returns the date in the following format: /Date(1585576807000+0000)/
seconds := strings.TrimPrefix(strings.TrimSuffix(logTimeStamp, "000+0000)/"), "/Date(")
n, error := strconv.ParseInt(seconds, 10, 64)
if error != nil {
return time.Unix(0, 0).UTC()
}
t := time.Unix(n, 0).UTC()
return t
}
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 abapLogs `json:"to_Execution_log"`
ToTransportLog abapLogs `json:"to_Transport_log"`
}
type abapMetadata struct {
URI string `json:"uri"`
}
type abapLogs struct {
Results []logResults `json:"results"`
}
type logResults struct {
Index string `json:"index_no"`
Type string `json:"type"`
Description string `json:"descr"`
Timestamp string `json:"timestamp"`
}
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"`
}
type abapError struct {
Code string `json:"code"`
Message abapErrorMessage `json:"message"`
}
type abapErrorMessage struct {
Lang string `json:"lang"`
Value string `json:"value"`
}