// Execute carries out the S3CopyCommand command - this is required
// to satisfy the 'Command' interface
func (scc *S3CopyCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
taskConfig *model.TaskConfig,
stop chan bool) error {
// expand the S3 copy parameters before running the task
if err := plugin.ExpandValues(scc, taskConfig.Expansions); err != nil {
return err
}
// validate the S3 copy parameters before running the task
if err := scc.validateS3CopyParams(); err != nil {
return err
}
errChan := make(chan error)
go func() {
errChan <- scc.S3Copy(taskConfig, pluginLogger, pluginCom)
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of S3 copy command")
return nil
}
}
// AttachTaskFiles is responsible for sending the
// specified file to the API Server
func (c *S3CopyCommand) AttachTaskFiles(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator, request S3CopyRequest) error {
remotePath := filepath.ToSlash(request.S3DestinationPath)
fileLink := s3baseURL + request.S3DestinationBucket + "/" + remotePath
displayName := request.S3DisplayName
if displayName == "" {
displayName = filepath.Base(request.S3SourcePath)
}
pluginLogger.LogExecution(slogger.INFO, "attaching file with name %v", displayName)
file := artifact.File{
Name: displayName,
Link: fileLink,
}
files := []*artifact.File{&file}
err := pluginCom.PostTaskFiles(files)
if err != nil {
return fmt.Errorf("Attach files failed: %v", err)
}
pluginLogger.LogExecution(slogger.INFO, "API attach files call succeeded")
return nil
}
// Execute builds the archive.
func (self *TarGzPackCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
// if the source dir is a relative path, join it to the working dir
if !filepath.IsAbs(self.SourceDir) {
self.SourceDir = filepath.Join(conf.WorkDir, self.SourceDir)
}
// if the target is a relative path, join it to the working dir
if !filepath.IsAbs(self.Target) {
self.Target = filepath.Join(conf.WorkDir, self.Target)
}
errChan := make(chan error)
go func() {
errChan <- self.BuildArchive(conf.WorkDir, pluginLogger)
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of targz pack command")
return nil
}
}
func (jsc *JSONSendCommand) Execute(log plugin.Logger, com plugin.PluginCommunicator, conf *model.TaskConfig, stop chan bool) error {
if jsc.File == "" {
return fmt.Errorf("'file' param must not be blank")
}
if jsc.DataName == "" {
return fmt.Errorf("'name' param must not be blank")
}
errChan := make(chan error)
go func() {
// attempt to open the file
fileLoc := filepath.Join(conf.WorkDir, jsc.File)
jsonFile, err := os.Open(fileLoc)
if err != nil {
errChan <- fmt.Errorf("Couldn't open json file: '%v'", err)
return
}
jsonData := map[string]interface{}{}
err = util.ReadJSONInto(jsonFile, &jsonData)
if err != nil {
errChan <- fmt.Errorf("File contained invalid json: %v", err)
return
}
retriablePost := util.RetriableFunc(
func() error {
log.LogTask(slogger.INFO, "Posting JSON")
resp, err := com.TaskPostJSON(fmt.Sprintf("data/%v", jsc.DataName), jsonData)
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
return util.RetriableError{err}
}
if resp.StatusCode != http.StatusOK {
return util.RetriableError{fmt.Errorf("unexpected status code %v", resp.StatusCode)}
}
return nil
},
)
_, err = util.Retry(retriablePost, 10, 3*time.Second)
errChan <- err
}()
select {
case err := <-errChan:
if err != nil {
log.LogTask(slogger.ERROR, "Sending json data failed: %v", err)
}
return err
case <-stop:
log.LogExecution(slogger.INFO, "Received abort signal, stopping.")
return nil
}
}
func (jgc *JSONHistoryCommand) Execute(log plugin.Logger, com plugin.PluginCommunicator, conf *model.TaskConfig, stop chan bool) error {
err := plugin.ExpandValues(jgc, conf.Expansions)
if err != nil {
return err
}
if jgc.File == "" {
return fmt.Errorf("'file' param must not be blank")
}
if jgc.DataName == "" {
return fmt.Errorf("'name' param must not be blank")
}
if jgc.TaskName == "" {
return fmt.Errorf("'task' param must not be blank")
}
if jgc.File != "" && !filepath.IsAbs(jgc.File) {
jgc.File = filepath.Join(conf.WorkDir, jgc.File)
}
endpoint := fmt.Sprintf("history/%s/%s", jgc.TaskName, jgc.DataName)
if jgc.Tags {
endpoint = fmt.Sprintf("tags/%s/%s", jgc.TaskName, jgc.DataName)
}
retriableGet := util.RetriableFunc(
func() error {
resp, err := com.TaskGetJSON(endpoint)
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
//Some generic error trying to connect - try again
log.LogExecution(slogger.WARN, "Error connecting to API server: %v", err)
return util.RetriableError{err}
}
if resp.StatusCode == http.StatusOK {
jsonBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
return ioutil.WriteFile(jgc.File, jsonBytes, 0755)
}
if resp.StatusCode != http.StatusOK {
if resp.StatusCode == http.StatusNotFound {
return fmt.Errorf("No JSON data found")
}
return util.RetriableError{fmt.Errorf("unexpected status code %v", resp.StatusCode)}
}
return nil
},
)
_, err = util.Retry(retriableGet, 10, 3*time.Second)
return err
}
// SendJSONLogs is responsible for sending the specified logs
// to the API Server. If successful, it returns a log ID that can be used
// to refer to the log object in test results.
func SendJSONLogs(taskConfig *model.TaskConfig, pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator, logs *model.TestLog) (string, error) {
pluginLogger.LogExecution(slogger.INFO, "Attaching test logs for %v", logs.Name)
logId, err := pluginCom.TaskPostTestLog(logs)
if err != nil {
return "", err
}
pluginLogger.LogTask(slogger.INFO, "Attach test logs succeeded")
return logId, nil
}
// SendJSONResults is responsible for sending the
// specified file to the API Server
func SendJSONResults(taskConfig *model.TaskConfig,
pluginLogger plugin.Logger, pluginCom plugin.PluginCommunicator,
results *model.TestResults) error {
pluginLogger.LogExecution(slogger.INFO, "Attaching test results")
err := pluginCom.TaskPostResults(results)
if err != nil {
return err
}
pluginLogger.LogTask(slogger.INFO, "Attach test results succeeded")
return nil
}
// Execute pulls the task's patch and then applies it
func (gapc *GitApplyPatchCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator, conf *model.TaskConfig, stop chan bool) error {
//Apply patches only if necessary
if conf.Task.Requester == evergreen.PatchVersionRequester {
pluginLogger.LogExecution(slogger.INFO, "Fetching patch.")
patch, err := gapc.GetPatch(conf, pluginCom, pluginLogger)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Failed to get patch: %v", err)
return fmt.Errorf("Failed to get patch: %v", err)
}
err = gapc.getPatchContents(conf, pluginCom, pluginLogger, patch)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Failed to get patch contents: %v", err)
return fmt.Errorf("Failed to get patch contents: %v", err)
}
err = gapc.applyPatch(conf, patch, pluginLogger)
if err != nil {
pluginLogger.LogExecution(slogger.INFO, "Failed to apply patch: %v", err)
return fmt.Errorf("Failed to apply patch: %v", err)
}
}
return nil
}
// S3Copy is responsible for carrying out the core of the S3CopyPlugin's
// function - it makes an API calls to copy a given staged file to it's final
// production destination
func (scc *S3CopyCommand) S3Copy(taskConfig *model.TaskConfig,
pluginLogger plugin.Logger, pluginCom plugin.PluginCommunicator) error {
for _, s3CopyFile := range scc.S3CopyFiles {
if len(s3CopyFile.BuildVariants) > 0 && !util.SliceContains(
s3CopyFile.BuildVariants, taskConfig.BuildVariant.Name) {
continue
}
pluginLogger.LogExecution(slogger.INFO, "Making API push copy call to "+
"transfer %v/%v => %v/%v", s3CopyFile.Source.Bucket,
s3CopyFile.Source.Path, s3CopyFile.Destination.Bucket,
s3CopyFile.Destination.Path)
s3CopyReq := S3CopyRequest{
AwsKey: scc.AwsKey,
AwsSecret: scc.AwsSecret,
S3SourceBucket: s3CopyFile.Source.Bucket,
S3SourcePath: s3CopyFile.Source.Path,
S3DestinationBucket: s3CopyFile.Destination.Bucket,
S3DestinationPath: s3CopyFile.Destination.Path,
S3DisplayName: s3CopyFile.DisplayName,
}
resp, err := pluginCom.TaskPostJSON(s3CopyAPIEndpoint, s3CopyReq)
if resp != nil {
defer resp.Body.Close()
}
if resp != nil && resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("S3 push copy failed (%v): %v",
resp.StatusCode, string(body))
}
if err != nil {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("S3 push copy failed (%v): %v",
resp.StatusCode, string(body))
}
pluginLogger.LogExecution(slogger.INFO, "API push copy call succeeded")
err = scc.AttachTaskFiles(pluginLogger, pluginCom, s3CopyReq)
if err != nil {
body, readAllErr := ioutil.ReadAll(resp.Body)
if readAllErr != nil {
return fmt.Errorf("Error: %v", err)
}
return fmt.Errorf("Error: %v, (%v): %v",
resp.StatusCode, err, string(body))
}
}
return nil
}
// Execute builds the archive.
func (self *TarGzPackCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
if err := plugin.ExpandValues(self, conf.Expansions); err != nil {
return fmt.Errorf("error expanding params: %v", err)
}
// if the source dir is a relative path, join it to the working dir
if !filepath.IsAbs(self.SourceDir) {
self.SourceDir = filepath.Join(conf.WorkDir, self.SourceDir)
}
// if the target is a relative path, join it to the working dir
if !filepath.IsAbs(self.Target) {
self.Target = filepath.Join(conf.WorkDir, self.Target)
}
errChan := make(chan error)
filesArchived := -1
go func() {
var err error
filesArchived, err = self.BuildArchive(conf.WorkDir, pluginLogger)
errChan <- err
}()
select {
case err := <-errChan:
if err != nil {
return err
}
if filesArchived == 0 {
deleteErr := os.Remove(self.Target)
if deleteErr != nil {
pluginLogger.LogExecution(slogger.INFO, "Error deleting empty archive: %v", deleteErr)
}
}
return nil
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of targz pack command")
return nil
}
}
// Implementation of Execute. Expands the parameters, and then puts the
// resource to s3.
func (s3pc *S3PutCommand) Execute(log plugin.Logger,
com plugin.PluginCommunicator, conf *model.TaskConfig,
stop chan bool) error {
// expand necessary params
if err := s3pc.expandParams(conf); err != nil {
return err
}
// validate the params
if err := s3pc.validateParams(); err != nil {
return fmt.Errorf("expanded params are not valid: %v", err)
}
if !s3pc.shouldRunForVariant(conf.BuildVariant.Name) {
log.LogTask(slogger.INFO, "Skipping S3 put of local file %v for variant %v",
s3pc.LocalFile,
conf.BuildVariant.Name)
return nil
}
if s3pc.isMulti() {
log.LogTask(slogger.INFO, "Putting files matching filter %v into path %v in s3 bucket %v",
s3pc.LocalFilesIncludeFilter, s3pc.RemoteFile, s3pc.Bucket)
} else {
if !filepath.IsAbs(s3pc.LocalFile) {
s3pc.LocalFile = filepath.Join(conf.WorkDir, s3pc.LocalFile)
}
log.LogTask(slogger.INFO, "Putting %v into path %v in s3 bucket %v",
s3pc.LocalFile, s3pc.RemoteFile, s3pc.Bucket)
}
errChan := make(chan error)
go func() {
errChan <- s3pc.PutWithRetry(log, com)
}()
select {
case err := <-errChan:
return err
case <-stop:
log.LogExecution(slogger.INFO, "Received signal to terminate execution of S3 Put Command")
return nil
}
}
// Implementation of Execute. Expands the parameters, and then fetches the
// resource from s3.
func (self *S3GetCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator, conf *model.TaskConfig,
stop chan bool) error {
// expand necessary params
if err := self.expandParams(conf); err != nil {
return err
}
// validate the params
if err := self.validateParams(); err != nil {
return fmt.Errorf("expanded params are not valid: %v", err)
}
if !self.shouldRunForVariant(conf.BuildVariant.Name) {
pluginLogger.LogTask(slogger.INFO, "Skipping S3 get of remote file %v for variant %v",
self.RemoteFile,
conf.BuildVariant.Name)
return nil
}
// if the local file or extract_to is a relative path, join it to the
// working dir
if self.LocalFile != "" && !filepath.IsAbs(self.LocalFile) {
self.LocalFile = filepath.Join(conf.WorkDir, self.LocalFile)
}
if self.ExtractTo != "" && !filepath.IsAbs(self.ExtractTo) {
self.ExtractTo = filepath.Join(conf.WorkDir, self.ExtractTo)
}
errChan := make(chan error)
go func() {
errChan <- self.GetWithRetry(pluginLogger)
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of S3 Get Command")
return nil
}
}
// Execute starts the shell with its given parameters.
func (cc *CleanupCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
defer func() {
trackedTask = ""
}()
if trackedTask == "" && trackedTask != conf.Task.Id {
pluginLogger.LogExecution(slogger.WARN, "Process tracking was not enabled for task, skipping cleanup.")
return nil
}
pluginLogger.LogExecution(slogger.INFO, "Running process cleanup...")
// Clean up all shell processes spawned during the execution of this task by this agent,
// by calling the platform-specific "cleanup" function
cleanup(conf.Task.Id, pluginLogger)
return nil
}
// Implementation of Execute.
func (mfc *ManifestLoadCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator, conf *model.TaskConfig,
stop chan bool) error {
errChan := make(chan error)
go func() {
errChan <- mfc.Load(pluginLogger, pluginCom, conf)
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of manifest load command")
return nil
}
}
// Implementation of Execute, to unpack the archive.
func (self *TarGzUnpackCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
errChan := make(chan error)
go func() {
errChan <- self.UnpackArchive()
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of targz unpack command")
return nil
}
}
// Wrapper around the Put() function to retry it
func (s3pc *S3PutCommand) PutWithRetry(log plugin.Logger, com plugin.PluginCommunicator) error {
retriablePut := util.RetriableFunc(
func() error {
err := s3pc.Put()
if err != nil {
if err == errSkippedFile {
return err
}
log.LogExecution(slogger.ERROR, "Error putting to s3 bucket: %v", err)
return util.RetriableError{err}
}
return nil
},
)
retryFail, err := util.RetryArithmeticBackoff(retriablePut, maxS3PutAttempts, s3PutSleep)
if err == errSkippedFile {
log.LogExecution(slogger.INFO, "S3 put skipped optional missing file.")
return nil
}
if retryFail {
log.LogExecution(slogger.ERROR, "S3 put failed with error: %v", err)
return err
}
return s3pc.AttachTaskFiles(log, com)
}
// Execute carries out the AttachResultsCommand command - this is required
// to satisfy the 'Command' interface
func (self *AttachResultsCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
taskConfig *model.TaskConfig,
stop chan bool) error {
if err := self.expandAttachResultsParams(taskConfig); err != nil {
return err
}
errChan := make(chan error)
go func() {
// attempt to open the file
reportFileLoc := filepath.Join(taskConfig.WorkDir, self.FileLoc)
reportFile, err := os.Open(reportFileLoc)
if err != nil {
errChan <- fmt.Errorf("Couldn't open report file: '%v'", err)
return
}
results := &task.TestResults{}
if err = util.ReadJSONInto(reportFile, results); err != nil {
errChan <- fmt.Errorf("Couldn't read report file: '%v'", err)
return
}
if err := reportFile.Close(); err != nil {
pluginLogger.LogExecution(slogger.INFO, "Error closing file: %v", err)
}
errChan <- SendJSONResults(taskConfig, pluginLogger, pluginCom, results)
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of attach results command")
return nil
}
}
// Implementation of Execute, to unpack the archive.
func (self *TarGzUnpackCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
if err := plugin.ExpandValues(self, conf.Expansions); err != nil {
return fmt.Errorf("error expanding params: %v", err)
}
errChan := make(chan error)
go func() {
errChan <- self.UnpackArchive()
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of targz unpack command")
return nil
}
}
// Execute carries out the AttachResultsCommand command - this is required
// to satisfy the 'Command' interface
func (self *AttachXUnitResultsCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
taskConfig *model.TaskConfig,
stop chan bool) error {
if err := self.expandParams(taskConfig); err != nil {
return err
}
errChan := make(chan error)
go func() {
errChan <- self.parseAndUploadResults(taskConfig, pluginLogger, pluginCom)
}()
select {
case err := <-errChan:
return err
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Received signal to terminate"+
" execution of attach xunit results command")
return nil
}
}
// Wrapper around the Put() function to retry it
func (self *S3PutCommand) PutWithRetry(pluginLogger plugin.Logger,
pluginComm plugin.PluginCommunicator) error {
retriablePut := util.RetriableFunc(
func() error {
err := self.Put()
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error putting to s3"+
" bucket: %v", err)
return util.RetriableError{err}
}
return nil
},
)
retryFail, err := util.RetryArithmeticBackoff(retriablePut,
maxS3PutAttempts, s3PutSleep)
if retryFail {
pluginLogger.LogExecution(slogger.ERROR, "S3 put failed with error: %v",
err)
return err
}
return self.AttachTaskFiles(pluginLogger, pluginComm)
}
// AttachTaskFiles is responsible for sending the
// specified file to the API Server
func (s3pc *S3PutCommand) AttachTaskFiles(log plugin.Logger,
com plugin.PluginCommunicator) error {
remoteFile := filepath.ToSlash(s3pc.RemoteFile)
fileLink := s3baseURL + s3pc.Bucket + "/" + remoteFile
displayName := s3pc.DisplayName
if displayName == "" {
displayName = filepath.Base(s3pc.LocalFile)
}
file := &artifact.File{
Name: displayName,
Link: fileLink,
Visibility: s3pc.Visibility,
}
err := com.PostTaskFiles([]*artifact.File{file})
if err != nil {
return fmt.Errorf("Attach files failed: %v", err)
}
log.LogExecution(slogger.INFO, "API attach files call succeeded")
return nil
}
// Wrapper around the Get() function to retry it
func (self *S3GetCommand) GetWithRetry(pluginLogger plugin.Logger) error {
retriableGet := util.RetriableFunc(
func() error {
pluginLogger.LogTask(slogger.INFO, "Fetching %v from"+
" s3 bucket %v", self.RemoteFile, self.Bucket)
err := self.Get()
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error getting from"+
" s3 bucket: %v", err)
return util.RetriableError{err}
}
return nil
},
)
retryFail, err := util.RetryArithmeticBackoff(retriableGet,
MaxS3GetAttempts, S3GetSleep)
if retryFail {
pluginLogger.LogExecution(slogger.ERROR, "S3 get failed with error: %v",
err)
return err
}
return nil
}
// Load performs a GET on /manifest/load
func (mfc *ManifestLoadCommand) Load(log plugin.Logger, pluginCom plugin.PluginCommunicator, conf *model.TaskConfig) error {
var loadedManifest *manifest.Manifest
var err error
retriableGet := util.RetriableFunc(
func() error {
resp, err := pluginCom.TaskGetJSON(ManifestLoadAPIEndpoint)
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
//Some generic error trying to connect - try again
log.LogExecution(slogger.WARN, "Error connecting to API server: %v", err)
return util.RetriableError{err}
}
if resp != nil && resp.StatusCode != http.StatusOK {
log.LogExecution(slogger.WARN, "Unexpected status code %v, retrying", resp.StatusCode)
return util.RetriableError{fmt.Errorf("Unexpected status code %v", resp.StatusCode)}
}
err = util.ReadJSONInto(resp.Body, &loadedManifest)
if err != nil {
return err
}
return nil
})
_, err = util.RetryArithmeticBackoff(retriableGet, 5, 5*time.Second)
if err != nil {
return err
}
if loadedManifest == nil {
return fmt.Errorf("Manifest is empty")
}
mfc.updateExpansions(loadedManifest, conf)
return nil
}
// Execute pulls the task's patch and then applies it
func (gapc *GitApplyPatchCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator, conf *model.TaskConfig, stop chan bool) error {
errChan := make(chan error)
go func() {
//Apply patches only if necessary
if conf.Task.Requester == evergreen.PatchVersionRequester {
pluginLogger.LogExecution(slogger.INFO, "Fetching patch.")
patch, err := gapc.GetPatch(conf, pluginCom, pluginLogger)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Failed to get patch: %v", err)
errChan <- fmt.Errorf("Failed to get patch: %v", err)
}
err = gapc.getPatchContents(conf, pluginCom, pluginLogger, patch)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Failed to get patch contents: %v", err)
errChan <- fmt.Errorf("Failed to get patch contents: %v", err)
}
err = gapc.applyPatch(conf, patch, pluginLogger)
if err != nil {
pluginLogger.LogExecution(slogger.INFO, "Failed to apply patch: %v", err)
errChan <- fmt.Errorf("Failed to apply patch: %v", err)
}
}
errChan <- nil
}()
select {
case err := <-errChan:
return err
case <-stop:
return fmt.Errorf("Patch command interrupted.")
}
}
// getPatchContents() dereferences any patch files that are stored externally, fetching them from
// the API server, and setting them into the patch object.
func (gapc GitApplyPatchCommand) getPatchContents(conf *model.TaskConfig, com plugin.PluginCommunicator, log plugin.Logger, p *patch.Patch) error {
for i, patchPart := range p.Patches {
// If the patch isn't stored externally, no need to do anything.
if patchPart.PatchSet.PatchFileId == "" {
continue
}
// otherwise, fetch the contents and load it into the patch object
log.LogExecution(slogger.INFO, "Fetching patch contents for %v", patchPart.PatchSet.PatchFileId)
var result []byte
retriableGet := util.RetriableFunc(
func() error {
resp, err := com.TaskGetJSON(fmt.Sprintf("%s/%s", GitPatchFilePath, patchPart.PatchSet.PatchFileId))
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
//Some generic error trying to connect - try again
log.LogExecution(slogger.WARN, "Error connecting to API server: %v", err)
return util.RetriableError{err}
}
if resp != nil && resp.StatusCode != http.StatusOK {
log.LogExecution(slogger.WARN, "Unexpected status code %v, retrying", resp.StatusCode)
resp.Body.Close()
return util.RetriableError{fmt.Errorf("Unexpected status code %v", resp.StatusCode)}
}
result, err = ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
return nil
})
_, err := util.RetryArithmeticBackoff(retriableGet, 5, 5*time.Second)
if err != nil {
return err
}
p.Patches[i].PatchSet.Patch = string(result)
}
return nil
}
// SendJSONResults is responsible for sending the
// specified file to the API Server
func SendJSONResults(taskConfig *model.TaskConfig,
pluginLogger plugin.Logger, pluginCom plugin.PluginCommunicator,
results *task.TestResults) error {
for i, res := range results.Results {
if res.LogRaw != "" {
pluginLogger.LogExecution(slogger.INFO, "Attaching raw test logs")
testLogs := &model.TestLog{
Name: res.TestFile,
Task: taskConfig.Task.Id,
TaskExecution: taskConfig.Task.Execution,
Lines: []string{res.LogRaw},
}
id, err := pluginCom.TaskPostTestLog(testLogs)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error posting raw logs from results: %v", err)
} else {
results.Results[i].LogId = id
}
// clear the logs from the TestResult struct after it has been saved in the test logs. Since they are
// being saved in the test_logs collection, we can clear them to prevent them from being saved in the task
// collection.
results.Results[i].LogRaw = ""
}
}
pluginLogger.LogExecution(slogger.INFO, "Attaching test results")
err := pluginCom.TaskPostResults(results)
if err != nil {
return err
}
pluginLogger.LogTask(slogger.INFO, "Attach test results succeeded")
return nil
}
// Execute gets the source code required by the project
func (self *GitGetProjectCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
location, err := conf.ProjectRef.Location()
if err != nil {
return err
}
gitCommands := []string{
fmt.Sprintf("set -o errexit"),
fmt.Sprintf("set -o verbose"),
fmt.Sprintf("rm -rf %v", self.Directory),
fmt.Sprintf("git clone %v '%v'", location, self.Directory),
fmt.Sprintf("cd %v; git checkout %v", self.Directory, conf.Task.Revision),
}
cmdsJoined := strings.Join(gitCommands, "\n")
fetchSourceCmd := &command.LocalCommand{
CmdString: cmdsJoined,
WorkingDirectory: conf.WorkDir,
Stdout: pluginLogger.GetTaskLogWriter(slogger.INFO),
Stderr: pluginLogger.GetTaskLogWriter(slogger.ERROR),
ScriptMode: true,
}
pluginLogger.LogExecution(slogger.INFO, "Fetching source from git...")
if err := fetchSourceCmd.Run(); err != nil {
return err
}
pluginLogger.Flush()
// Fetch source for the modules
for _, moduleName := range conf.BuildVariant.Modules {
pluginLogger.LogExecution(slogger.INFO, "Fetching module: %v", moduleName)
module, err := conf.Project.GetModuleByName(moduleName)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Couldn't get module %v: %v",
moduleName, err)
continue
}
if module == nil {
pluginLogger.LogExecution(slogger.ERROR, "No module found for %v",
moduleName)
continue
}
moduleBase := filepath.Join(module.Prefix, module.Name)
moduleDir := filepath.Join(conf.WorkDir, moduleBase, "/_")
err = os.MkdirAll(moduleDir, 0755)
if err != nil {
return err
}
// clear the destination
err = os.RemoveAll(moduleDir)
if err != nil {
return err
}
moduleCmds := []string{
fmt.Sprintf("set -o errexit"),
fmt.Sprintf("set -o verbose"),
fmt.Sprintf("git clone %v '%v'", module.Repo, filepath.ToSlash(moduleBase)),
fmt.Sprintf("cd %v; git checkout '%v'", filepath.ToSlash(moduleBase), module.Branch),
}
moduleFetchCmd := &command.LocalCommand{
CmdString: strings.Join(moduleCmds, "\n"),
WorkingDirectory: filepath.ToSlash(filepath.Join(conf.WorkDir, self.Directory)),
Stdout: pluginLogger.GetTaskLogWriter(slogger.INFO),
Stderr: pluginLogger.GetTaskLogWriter(slogger.ERROR),
ScriptMode: true,
}
err = moduleFetchCmd.Run()
if err != nil {
return err
}
pluginLogger.Flush()
}
return nil
}
// Execute gets the source code required by the project
func (ggpc *GitGetProjectCommand) Execute(pluginLogger plugin.Logger,
pluginCom plugin.PluginCommunicator,
conf *model.TaskConfig,
stop chan bool) error {
// expand the github parameters before running the task
if err := plugin.ExpandValues(&ggpc.Revisions, conf.Expansions); err != nil {
return err
}
location, err := conf.ProjectRef.Location()
if err != nil {
return err
}
gitCommands := []string{
fmt.Sprintf("set -o errexit"),
fmt.Sprintf("set -o verbose"),
fmt.Sprintf("rm -rf %v", ggpc.Directory),
fmt.Sprintf("git clone %v '%v'", location, ggpc.Directory),
fmt.Sprintf("cd %v; git checkout %v", ggpc.Directory, conf.Task.Revision),
}
cmdsJoined := strings.Join(gitCommands, "\n")
fetchSourceCmd := &command.LocalCommand{
CmdString: cmdsJoined,
WorkingDirectory: conf.WorkDir,
Stdout: pluginLogger.GetTaskLogWriter(slogger.INFO),
Stderr: pluginLogger.GetTaskLogWriter(slogger.ERROR),
ScriptMode: true,
}
errChan := make(chan error)
go func() {
pluginLogger.LogExecution(slogger.INFO, "Fetching source from git...")
errChan <- fetchSourceCmd.Run()
pluginLogger.Flush()
}()
// wait until the command finishes or the stop channel is tripped
select {
case err := <-errChan:
if err != nil {
return err
}
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Got kill signal")
if fetchSourceCmd.Cmd != nil {
pluginLogger.LogExecution(slogger.INFO, "Stopping process: %v", fetchSourceCmd.Cmd.Process.Pid)
if err := fetchSourceCmd.Stop(); err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error occurred stopping process: %v", err)
}
}
return fmt.Errorf("Fetch command interrupted.")
}
// Fetch source for the modules
for _, moduleName := range conf.BuildVariant.Modules {
pluginLogger.LogExecution(slogger.INFO, "Fetching module: %v", moduleName)
module, err := conf.Project.GetModuleByName(moduleName)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Couldn't get module %v: %v",
moduleName, err)
continue
}
if module == nil {
pluginLogger.LogExecution(slogger.ERROR, "No module found for %v",
moduleName)
continue
}
moduleBase := filepath.Join(module.Prefix, module.Name)
moduleDir := filepath.Join(conf.WorkDir, moduleBase, "/_")
err = os.MkdirAll(moduleDir, 0755)
if err != nil {
return err
}
// clear the destination
err = os.RemoveAll(moduleDir)
if err != nil {
return err
}
revision := ggpc.Revisions[moduleName]
// if there is no revision, then use the branch name
if revision == "" {
revision = module.Branch
}
moduleCmds := []string{
fmt.Sprintf("set -o errexit"),
fmt.Sprintf("set -o verbose"),
fmt.Sprintf("git clone %v '%v'", module.Repo, filepath.ToSlash(moduleBase)),
fmt.Sprintf("cd %v; git checkout '%v'", filepath.ToSlash(moduleBase), revision),
}
moduleFetchCmd := &command.LocalCommand{
CmdString: strings.Join(moduleCmds, "\n"),
WorkingDirectory: filepath.ToSlash(filepath.Join(conf.WorkDir, ggpc.Directory)),
Stdout: pluginLogger.GetTaskLogWriter(slogger.INFO),
Stderr: pluginLogger.GetTaskLogWriter(slogger.ERROR),
ScriptMode: true,
}
go func() {
errChan <- moduleFetchCmd.Run()
pluginLogger.Flush()
}()
// wait until the command finishes or the stop channel is tripped
select {
case err := <-errChan:
if err != nil {
return err
}
case <-stop:
pluginLogger.LogExecution(slogger.INFO, "Got kill signal")
if moduleFetchCmd.Cmd != nil {
pluginLogger.LogExecution(slogger.INFO, "Stopping process: %v", moduleFetchCmd.Cmd.Process.Pid)
if err := moduleFetchCmd.Stop(); err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error occurred stopping process: %v", err)
}
}
return fmt.Errorf("Fetch module command interrupted.")
}
}
return nil
}
// applyPatch is used by the agent to copy patch data onto disk
// and then call the necessary git commands to apply the patch file
func (gapc *GitApplyPatchCommand) applyPatch(conf *model.TaskConfig,
patch *patch.Patch, pluginLogger plugin.Logger) error {
// patch sets and contain multiple patches, some of them for modules
for _, patchPart := range patch.Patches {
var dir string
if patchPart.ModuleName == "" {
// if patch is not part of a module, just apply patch against src root
dir = gapc.Directory
pluginLogger.LogExecution(slogger.INFO, "Applying patch with git...")
} else {
// if patch is part of a module, apply patch in module root
module, err := conf.Project.GetModuleByName(patchPart.ModuleName)
if err != nil {
return fmt.Errorf("Error getting module: %v", err)
}
if module == nil {
return fmt.Errorf("Module not found: %v", patchPart.ModuleName)
}
// skip the module if this build variant does not use it
if !util.SliceContains(conf.BuildVariant.Modules, module.Name) {
pluginLogger.LogExecution(slogger.INFO, "Skipping patch for"+
" module %v, since the current build variant does not"+
" use it", module.Name)
continue
}
dir = filepath.Join(gapc.Directory, module.Prefix, module.Name)
pluginLogger.LogExecution(slogger.INFO, "Applying module patch with git...")
}
// create a temporary folder and store patch files on disk,
// for later use in shell script
tempFile, err := ioutil.TempFile("", "mcipatch_")
if err != nil {
return err
}
defer tempFile.Close()
_, err = io.WriteString(tempFile, patchPart.PatchSet.Patch)
if err != nil {
return err
}
tempAbsPath := tempFile.Name()
// this applies the patch using the patch files in the temp directory
patchCommandStrings := []string{
fmt.Sprintf("set -o verbose"),
fmt.Sprintf("set -o errexit"),
fmt.Sprintf("ls"),
fmt.Sprintf("cd '%v'", dir),
fmt.Sprintf("git checkout '%v'", patchPart.Githash),
fmt.Sprintf("git apply --check --whitespace=fix '%v'", tempAbsPath),
fmt.Sprintf("git apply --stat '%v'", tempAbsPath),
fmt.Sprintf("git apply --whitespace=fix < '%v'", tempAbsPath),
}
cmdsJoined := strings.Join(patchCommandStrings, "\n")
patchCmd := &command.LocalCommand{
CmdString: cmdsJoined,
WorkingDirectory: conf.WorkDir,
Stdout: pluginLogger.GetTaskLogWriter(slogger.INFO),
Stderr: pluginLogger.GetTaskLogWriter(slogger.ERROR),
ScriptMode: true,
}
err = patchCmd.Run()
if err != nil {
return err
}
pluginLogger.Flush()
}
return nil
}
// GetPatch tries to get the patch data from the server in json format,
// and unmarhals it into a patch struct. The GET request is attempted
// multiple times upon failure.
func (gapc GitApplyPatchCommand) GetPatch(conf *model.TaskConfig,
pluginCom plugin.PluginCommunicator, pluginLogger plugin.Logger) (*patch.Patch, error) {
patch := &patch.Patch{}
retriableGet := util.RetriableFunc(
func() error {
resp, err := pluginCom.TaskGetJSON(GitPatchPath)
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
//Some generic error trying to connect - try again
pluginLogger.LogExecution(slogger.WARN, "Error connecting to API server: %v", err)
return util.RetriableError{err}
}
if resp != nil && resp.StatusCode == http.StatusNotFound {
//nothing broke, but no patch was found for task Id - no retry
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error reading response body")
}
msg := fmt.Sprintf("no patch found for task: %v", string(body))
pluginLogger.LogExecution(slogger.WARN, msg)
return fmt.Errorf(msg)
}
if resp != nil && resp.StatusCode == http.StatusInternalServerError {
//something went wrong in api server
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error reading response body")
}
msg := fmt.Sprintf("error fetching patch from server: %v", string(body))
pluginLogger.LogExecution(slogger.WARN, msg)
return util.RetriableError{
fmt.Errorf(msg),
}
}
if resp != nil && resp.StatusCode == http.StatusConflict {
//wrong secret
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR, "Error reading response body")
}
msg := fmt.Sprintf("secret conflict: %v", string(body))
pluginLogger.LogExecution(slogger.ERROR, msg)
return fmt.Errorf(msg)
}
if resp == nil {
pluginLogger.LogExecution(slogger.WARN, "Empty response from API server")
return util.RetriableError{fmt.Errorf("empty response")}
} else {
err = util.ReadJSONInto(resp.Body, patch)
if err != nil {
pluginLogger.LogExecution(slogger.ERROR,
"Error reading json into patch struct: %v", err)
return util.RetriableError{err}
}
return nil
}
},
)
retryFail, err := util.RetryArithmeticBackoff(retriableGet, 5, 5*time.Second)
if retryFail {
return nil, fmt.Errorf("getting patch failed after %v tries: %v", 10, err)
}
if err != nil {
return nil, fmt.Errorf("getting patch failed: %v", err)
}
return patch, nil
}