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startbuild.go
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startbuild.go
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package startbuild
import (
"bufio"
"bytes"
"compress/gzip"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"mime"
"net/http"
"net/url"
"os"
"path/filepath"
"strings"
"time"
"github.com/golang/glog"
"github.com/spf13/cobra"
"github.com/openshift/source-to-image/pkg/tar"
s2ifs "github.com/openshift/source-to-image/pkg/util/fs"
corev1 "k8s.io/api/core/v1"
kerrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/third_party/forked/golang/netutil"
restclient "k8s.io/client-go/rest"
"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
kcmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
"k8s.io/kubernetes/pkg/kubectl/genericclioptions/printers"
"k8s.io/kubernetes/pkg/kubectl/scheme"
"github.com/openshift/api/build"
buildv1 "github.com/openshift/api/build/v1"
buildv1client "github.com/openshift/client-go/build/clientset/versioned/typed/build/v1"
"github.com/openshift/library-go/pkg/git"
buildapi "github.com/openshift/origin/pkg/build/apis/build"
buildclientmanual "github.com/openshift/origin/pkg/build/client/v1"
cmdutil "github.com/openshift/origin/pkg/cmd/util"
ocerrors "github.com/openshift/origin/pkg/oc/lib/errors"
utilenv "github.com/openshift/origin/pkg/oc/util/env"
)
var (
startBuildLong = templates.LongDesc(`
Start a build
This command starts a new build for the provided build config or copies an existing build using
--from-build=<name>. Pass the --follow flag to see output from the build.
In addition, you can pass a file, directory, or source code repository with the --from-file,
--from-dir, or --from-repo flags directly to the build. The contents will be streamed to the build
and override the current build source settings. When using --from-repo, the --commit flag can be
used to control which branch, tag, or commit is sent to the server. If you pass --from-file, the
file is placed in the root of an empty directory with the same filename. It is also possible to
pass a http or https url to --from-file and --from-archive, however authentication is not supported
and in case of https the certificate must be valid and recognized by your system.
Note that builds triggered from binary input will not preserve the source on the server, so rebuilds
triggered by base image changes will use the source specified on the build config.`)
startBuildExample = templates.Examples(`
# Starts build from build config "hello-world"
%[1]s start-build hello-world
# Starts build from a previous build "hello-world-1"
%[1]s start-build --from-build=hello-world-1
# Use the contents of a directory as build input
%[1]s start-build hello-world --from-dir=src/
# Send the contents of a Git repository to the server from tag 'v2'
%[1]s start-build hello-world --from-repo=../hello-world --commit=v2
# Start a new build for build config "hello-world" and watch the logs until the build
# completes or fails.
%[1]s start-build hello-world --follow
# Start a new build for build config "hello-world" and wait until the build completes. It
# exits with a non-zero return code if the build fails.
%[1]s start-build hello-world --wait`)
)
type StartBuildOptions struct {
PrintFlags *genericclioptions.PrintFlags
Printer printers.ResourcePrinter
Git git.Repository
FromBuild string
FromWebhook string
ListWebhooks string
Commit string
FromFile string
FromDir string
FromRepo string
FromArchive string
Env []string
Args []string
Follow bool
WaitForComplete bool
IncrementalOverride bool
Incremental bool
NoCacheOverride bool
NoCache bool
LogLevel string
GitRepository string
GitPostReceive string
Mapper meta.RESTMapper
BuildClient buildv1client.BuildV1Interface
BuildLogClient buildclientmanual.BuildLogInterface
ClientConfig *restclient.Config
AsBinary bool
ShortOutput bool
EnvVar []corev1.EnvVar
BuildArgs []corev1.EnvVar
Name string
Namespace string
genericclioptions.IOStreams
}
func NewStartBuildOptions(streams genericclioptions.IOStreams) *StartBuildOptions {
return &StartBuildOptions{
PrintFlags: genericclioptions.NewPrintFlags("started").WithTypeSetter(scheme.Scheme),
IOStreams: streams,
}
}
// NewCmdStartBuild implements the OpenShift cli start-build command
func NewCmdStartBuild(fullName string, f kcmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
o := NewStartBuildOptions(streams)
cmd := &cobra.Command{
Use: "start-build (BUILDCONFIG | --from-build=BUILD)",
Short: "Start a new build",
Long: startBuildLong,
Example: fmt.Sprintf(startBuildExample, fullName),
SuggestFor: []string{"build", "builds"},
Run: func(cmd *cobra.Command, args []string) {
kcmdutil.CheckErr(o.Complete(f, cmd, fullName, args))
kcmdutil.CheckErr(o.Validate())
kcmdutil.CheckErr(o.Run())
},
}
cmd.Flags().StringVar(&o.LogLevel, "build-loglevel", o.LogLevel, "Specify the log level for the build log output")
cmd.Flags().StringArrayVarP(&o.Env, "env", "e", o.Env, "Specify a key-value pair for an environment variable to set for the build container.")
cmd.Flags().StringArrayVar(&o.Args, "build-arg", o.Args, "Specify a key-value pair to pass to Docker during the build.")
cmd.Flags().StringVar(&o.FromBuild, "from-build", o.FromBuild, "Specify the name of a build which should be re-run")
cmd.Flags().BoolVarP(&o.Follow, "follow", "F", o.Follow, "Start a build and watch its logs until it completes or fails")
cmd.Flags().BoolVarP(&o.WaitForComplete, "wait", "w", o.WaitForComplete, "Wait for a build to complete and exit with a non-zero return code if the build fails")
cmd.Flags().BoolVar(&o.Incremental, "incremental", o.Incremental, "Overrides the incremental setting in a source-strategy build, ignored if not specified")
cmd.Flags().BoolVar(&o.NoCache, "no-cache", o.NoCache, "Overrides the noCache setting in a docker-strategy build, ignored if not specified")
cmd.Flags().StringVar(&o.FromFile, "from-file", o.FromFile, "A file to use as the binary input for the build; example a pom.xml or Dockerfile. Will be the only file in the build source.")
cmd.Flags().StringVar(&o.FromDir, "from-dir", o.FromDir, "A directory to archive and use as the binary input for a build.")
cmd.Flags().StringVar(&o.FromArchive, "from-archive", o.FromArchive, "An archive (tar, tar.gz, zip) to be extracted before the build and used as the binary input.")
cmd.Flags().StringVar(&o.FromRepo, "from-repo", o.FromRepo, "The path to a local source code repository to use as the binary input for a build.")
cmd.Flags().StringVar(&o.Commit, "commit", o.Commit, "Specify the source code commit identifier the build should use; requires a build based on a Git repository")
cmd.Flags().StringVar(&o.ListWebhooks, "list-webhooks", o.ListWebhooks, "List the webhooks for the specified build config or build; accepts 'all', 'generic', or 'github'")
cmd.Flags().StringVar(&o.FromWebhook, "from-webhook", o.FromWebhook, "Specify a generic webhook URL for an existing build config to trigger")
cmd.Flags().StringVar(&o.GitPostReceive, "git-post-receive", o.GitPostReceive, "The contents of the post-receive hook to trigger a build")
cmd.Flags().StringVar(&o.GitRepository, "git-repository", o.GitRepository, "The path to the git repository for post-receive; defaults to the current directory")
o.PrintFlags.AddFlags(cmd)
return cmd
}
func (o *StartBuildOptions) Complete(f kcmdutil.Factory, cmd *cobra.Command, cmdFullName string, args []string) error {
var err error
o.Git = git.NewRepository()
o.ClientConfig, err = f.ToRESTConfig()
if err != nil {
return err
}
o.Mapper, err = f.ToRESTMapper()
if err != nil {
return err
}
o.IncrementalOverride = cmd.Flags().Lookup("incremental").Changed
o.NoCacheOverride = cmd.Flags().Lookup("no-cache").Changed
fromCount := 0
if len(o.FromDir) > 0 {
fromCount++
}
if len(o.FromArchive) > 0 {
fromCount++
// --from-archive has the same behavior as --from-dir, handle only --from-dir from now on
o.FromDir = o.FromArchive
}
if len(o.FromFile) > 0 {
fromCount++
}
if len(o.FromRepo) > 0 {
fromCount++
}
if fromCount == 1 {
o.AsBinary = true
} else if fromCount > 1 {
return fmt.Errorf("only one of --from-file, --from-repo, --from-archive or --from-dir may be specified")
}
o.Printer, err = o.PrintFlags.ToPrinter()
if err != nil {
return err
}
webhook := o.FromWebhook
buildName := o.FromBuild
buildLogLevel := o.LogLevel
outputFormat := kcmdutil.GetFlagString(cmd, "output")
if outputFormat != "name" && outputFormat != "" {
return kcmdutil.UsageErrorf(cmd, "Unsupported output format: %s", outputFormat)
}
o.ShortOutput = outputFormat == "name"
switch {
case len(webhook) > 0:
if len(args) > 0 || len(buildName) > 0 || o.AsBinary {
return kcmdutil.UsageErrorf(cmd, "The '--from-webhook' flag is incompatible with arguments and all '--from-*' flags")
}
if !strings.HasSuffix(webhook, "/generic") {
fmt.Fprintf(o.ErrOut, "warning: the '--from-webhook' flag should be called with a generic webhook URL.\n")
}
return nil
case len(args) != 1 && len(buildName) == 0:
return kcmdutil.UsageErrorf(cmd, "Must pass a name of a build config or specify build name with '--from-build' flag.\nUse \"%s get bc\" to list all available build configs.", cmdFullName)
}
clientConfig, err := f.ToRESTConfig()
if err != nil {
return err
}
o.Namespace, _, err = f.ToRawKubeConfigLoader().Namespace()
if err != nil {
return err
}
o.BuildClient, err = buildv1client.NewForConfig(clientConfig)
if err != nil {
return err
}
var (
name = buildName
resource = build.Resource("builds")
)
if len(name) == 0 && len(args) > 0 && len(args[0]) > 0 {
mapper, err := f.ToRESTMapper()
if err != nil {
return err
}
resource, name, err = cmdutil.ResolveResource(build.Resource("buildconfigs"), args[0], mapper)
if err != nil {
return err
}
switch resource {
case build.Resource("buildconfigs"):
// no special handling required
case build.Resource("builds"):
if len(o.ListWebhooks) == 0 {
return fmt.Errorf("use --from-build to rerun your builds")
}
default:
return fmt.Errorf("invalid resource provided: %v", resource)
}
}
// when listing webhooks, allow --from-build to lookup a build config
if build.Resource("builds") == resource && len(o.ListWebhooks) > 0 {
build, err := o.BuildClient.Builds(o.Namespace).Get(name, metav1.GetOptions{})
if err != nil {
return err
}
ref := build.Status.Config
if ref == nil {
return fmt.Errorf("the provided Build %q was not created from a BuildConfig and cannot have webhooks", name)
}
if len(ref.Namespace) > 0 {
o.Namespace = ref.Namespace
}
name = ref.Name
}
o.Name = name
o.BuildLogClient = buildclientmanual.NewBuildLogClient(o.BuildClient.RESTClient(), o.Namespace)
// Handle environment variables
cmdutil.WarnAboutCommaSeparation(o.ErrOut, o.Env, "--env")
env, _, err := utilenv.ParseEnv(o.Env, o.In)
if err != nil {
return err
}
if len(buildLogLevel) > 0 {
env = append(env, corev1.EnvVar{Name: "BUILD_LOGLEVEL", Value: buildLogLevel})
}
o.EnvVar = env
// Handle Docker build arguments. In order to leverage existing logic, we
// first create an EnvVar array, then convert it to []docker.BuildArg
o.BuildArgs, err = utilenv.ParseBuildArg(o.Args, o.In)
if err != nil {
return err
}
return nil
}
// Validate returns validation errors regarding start-build
func (o *StartBuildOptions) Validate() error {
if o.AsBinary {
if len(o.LogLevel) > 0 {
fmt.Fprintf(o.ErrOut, "WARNING: Specifying --build-loglevel with binary builds is not supported.\n")
}
if len(o.EnvVar) > 1 || (len(o.LogLevel) == 0 && len(o.EnvVar) > 0) {
fmt.Fprintf(o.ErrOut, "WARNING: Specifying environment variables with binary builds is not supported.\n")
}
if len(o.BuildArgs) > 0 {
fmt.Fprintf(o.ErrOut, "WARNING: Specifying build arguments with binary builds is not supported.\n")
}
}
if len(o.FromBuild) != 0 && o.AsBinary {
// TODO: we should support this, it should be possible to clone a build to run again with new uploaded artifacts.
// Doing so requires introducing a new clonebinary endpoint.
return fmt.Errorf("Cannot use '--from-build' flag with binary builds")
}
if len(o.Name) == 0 && len(o.FromWebhook) == 0 && len(o.FromBuild) == 0 {
return fmt.Errorf("a resource name is required either as an argument or by using --from-build")
}
return nil
}
// Run contains all the necessary functionality for the OpenShift cli start-build command
func (o *StartBuildOptions) Run() error {
if len(o.FromWebhook) > 0 {
return o.RunStartBuildWebHook()
}
if len(o.ListWebhooks) > 0 {
return o.RunListBuildWebHooks()
}
buildRequestCauses := []buildv1.BuildTriggerCause{}
request := &buildv1.BuildRequest{
TriggeredBy: append(buildRequestCauses,
buildv1.BuildTriggerCause{
Message: buildapi.BuildTriggerCauseManualMsg,
},
),
ObjectMeta: metav1.ObjectMeta{Name: o.Name},
}
request.SourceStrategyOptions = &buildv1.SourceStrategyOptions{}
if o.IncrementalOverride {
request.SourceStrategyOptions.Incremental = &o.Incremental
}
if len(o.EnvVar) > 0 {
request.Env = o.EnvVar
}
request.DockerStrategyOptions = &buildv1.DockerStrategyOptions{}
if len(o.BuildArgs) > 0 {
request.DockerStrategyOptions.BuildArgs = o.BuildArgs
}
if o.NoCacheOverride {
request.DockerStrategyOptions.NoCache = &o.NoCache
}
if len(o.Commit) > 0 {
request.Revision = &buildv1.SourceRevision{
Git: &buildv1.GitSourceRevision{
Commit: o.Commit,
},
}
}
var err error
var newBuild *buildv1.Build
switch {
case o.AsBinary:
request := &buildv1.BinaryBuildRequestOptions{
ObjectMeta: metav1.ObjectMeta{
Name: o.Name,
Namespace: o.Namespace,
},
Commit: o.Commit,
}
if len(o.EnvVar) > 0 {
fmt.Fprintf(o.ErrOut, "WARNING: Specifying environment variables with binary builds is not supported.\n")
}
if len(o.BuildArgs) > 0 {
fmt.Fprintf(o.ErrOut, "WARNING: Specifying build arguments with binary builds is not supported.\n")
}
instantiateClient := buildclientmanual.NewBuildInstantiateBinaryClient(o.BuildClient.RESTClient(), o.Namespace)
if newBuild, err = streamPathToBuild(o.Git, o.In, o.ErrOut, instantiateClient, o.FromDir, o.FromFile, o.FromRepo, request); err != nil {
if kerrors.IsAlreadyExists(err) {
return transformIsAlreadyExistsError(err, o.Name)
}
return err
}
case len(o.FromBuild) > 0:
if newBuild, err = o.BuildClient.Builds(o.Namespace).Clone(request.Name, request); err != nil {
if isInvalidSourceInputsError(err) {
return fmt.Errorf("Build %s/%s has no valid source inputs and '--from-build' cannot be used for binary builds", o.Namespace, o.Name)
}
if kerrors.IsAlreadyExists(err) {
return transformIsAlreadyExistsError(err, o.Name)
}
return err
}
default:
if newBuild, err = o.BuildClient.BuildConfigs(o.Namespace).Instantiate(request.Name, request); err != nil {
if isInvalidSourceInputsError(err) {
return fmt.Errorf("Build configuration %s/%s has no valid source inputs, if this is a binary build you must specify one of '--from-dir', '--from-repo', or '--from-file'", o.Namespace, o.Name)
}
if kerrors.IsAlreadyExists(err) {
return transformIsAlreadyExistsError(err, o.Name)
}
return err
}
}
if err := o.Printer.PrintObj(newBuild, o.Out); err != nil {
fmt.Fprintf(o.ErrOut, "error: %v\n", err)
}
// Stream the logs from the build
if o.Follow {
err = o.streamBuildLogs(newBuild)
if err != nil {
fmt.Fprintf(o.ErrOut, "Failed to stream the build logs - to view the logs, run oc logs build/%s\nError: %v\n", newBuild.Name, err)
}
}
if o.WaitForComplete {
return WaitForBuildComplete(o.BuildClient.Builds(o.Namespace), newBuild.Name)
}
return nil
}
func (o *StartBuildOptions) streamBuildLogs(build *buildv1.Build) error {
opts := buildv1.BuildLogOptions{
Follow: true,
NoWait: false,
}
var err error
for {
rd, logErr := o.BuildLogClient.Logs(build.Name, opts).Stream()
if logErr != nil {
err = ocerrors.NewError("unable to stream the build logs").WithCause(logErr)
glog.V(4).Infof("Error: %v", err)
if o.WaitForComplete {
continue
}
break
}
defer rd.Close()
if _, streamErr := io.Copy(o.Out, rd); streamErr != nil {
err = ocerrors.NewError("unable to stream the build logs").WithCause(streamErr)
glog.V(4).Infof("Error: %v", err)
}
break
}
return err
}
// RunListBuildWebHooks prints the webhooks for the provided build config.
func (o *StartBuildOptions) RunListBuildWebHooks() error {
generic, github := false, false
prefix := false
switch o.ListWebhooks {
case "all":
generic, github = true, true
prefix = true
case "generic":
generic = true
case "github":
github = true
default:
return fmt.Errorf("--list-webhooks must be 'all', 'generic', or 'github'")
}
config, err := o.BuildClient.BuildConfigs(o.Namespace).Get(o.Name, metav1.GetOptions{})
if err != nil {
return err
}
webhookClient := buildclientmanual.NewWebhookURLClient(o.BuildClient.RESTClient(), o.Namespace)
for _, t := range config.Spec.Triggers {
hookType := ""
switch {
case t.GenericWebHook != nil && generic:
if prefix {
hookType = "generic "
}
case t.GitHubWebHook != nil && github:
if prefix {
hookType = "github "
}
default:
continue
}
u, err := webhookClient.WebHookURL(o.Name, &t)
if err != nil {
if err != buildclientmanual.ErrTriggerIsNotAWebHook {
fmt.Fprintf(o.ErrOut, "error: unable to get webhook for %s: %v", o.Name, err)
}
continue
}
urlStr, _ := url.PathUnescape(u.String())
fmt.Fprintf(o.Out, "%s%s\n", hookType, urlStr)
}
return nil
}
func streamPathToBuild(repo git.Repository, in io.Reader, out io.Writer, client buildclientmanual.BuildInstantiateBinaryInterface, fromDir, fromFile, fromRepo string, options *buildv1.BinaryBuildRequestOptions) (*buildv1.Build, error) {
asDir, asFile, asRepo := len(fromDir) > 0, len(fromFile) > 0, len(fromRepo) > 0
if asRepo && !git.IsGitInstalled() {
return nil, fmt.Errorf("cannot find git. Git is required to start a build from a repository. If git is not available, use --from-dir instead.")
}
var fromPath string
switch {
case asDir:
fromPath = fromDir
case asFile:
fromPath = fromFile
case asRepo:
fromPath = fromRepo
}
var r io.Reader
switch {
case fromFile == "-":
return nil, fmt.Errorf("--from-file=- is not supported")
case fromDir == "-":
r = in
fmt.Fprintf(out, "Uploading archive file from STDIN as binary input for the build ...\n")
case (asFile || asDir) && (strings.HasPrefix(fromPath, "http://") || strings.HasPrefix(fromPath, "https://")):
resp, err := http.Get(fromPath)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("unable to download file %q: %s", fromPath, resp.Status)
}
r = resp.Body
if asFile {
options.AsFile = httpFileName(resp)
if options.AsFile == "" {
return nil, fmt.Errorf("unable to determine filename from HTTP headers or URL")
}
fmt.Fprintf(out, "Uploading file from %q as binary input for the build ...\n", fromPath)
} else {
fmt.Fprintf(out, "Uploading archive from %q as binary input for the build ...\n", fromPath)
}
default:
clean := filepath.Clean(fromPath)
path, err := filepath.Abs(fromPath)
if err != nil {
return nil, err
}
stat, err := os.Stat(path)
if err != nil {
return nil, err
}
if stat.IsDir() {
commit := "HEAD"
if len(options.Commit) > 0 {
commit = options.Commit
}
info, gitErr := gitRefInfo(repo, path, commit)
if gitErr == nil {
options.Commit = info.GitSourceRevision.Commit
options.Message = info.GitSourceRevision.Message
options.AuthorName = info.GitSourceRevision.Author.Name
options.AuthorEmail = info.GitSourceRevision.Author.Email
options.CommitterName = info.GitSourceRevision.Committer.Name
options.CommitterEmail = info.GitSourceRevision.Committer.Email
} else {
glog.V(6).Infof("Unable to read Git info from %q: %v", clean, gitErr)
}
// NOTE: It's important that this stays false unless we change the
// path to something else, otherwise we will delete whatever path the
// user provided.
var usedTempDir bool = false
var tempDirectory string
if asRepo {
var contextDir string
fmt.Fprintf(out, "Uploading %q at commit %q as binary input for the build ...\n", clean, commit)
if gitErr != nil {
return nil, fmt.Errorf("the directory %q is not a valid Git repository: %v", clean, gitErr)
}
// If the user doesn't give us the root directory of the Git repo,
// we still want the command to work. However, as this may be
// unintended, we warn them.
if gitRootDir, err := repo.GetRootDir(path); filepath.Clean(gitRootDir) != filepath.Clean(path) && err == nil {
fmt.Fprintf(out, "WARNING: Using root dir %s for Git repository\n", gitRootDir)
contextDir, _ = filepath.Rel(gitRootDir, path)
path = gitRootDir
}
// Create a temp directory to move the repo contents to
tempDirectory, err := ioutil.TempDir(os.TempDir(), "oc_cloning_"+options.Commit)
if err != nil {
return nil, err
}
// We only want to grab the contents of the specified commit, with
// submodules included
cloneOptions := []string{"--recursive"}
if verbose := glog.V(3); !verbose {
cloneOptions = append(cloneOptions, "--quiet")
}
// Clone the repository to a temp directory for future tar-ing
if err := repo.CloneWithOptions(tempDirectory, path, cloneOptions...); err != nil {
return nil, err
}
if err := repo.Checkout(tempDirectory, commit); err != nil {
err = repo.PotentialPRRetryAsFetch(tempDirectory, path, commit, err)
if err != nil {
return nil, err
}
}
// We'll continue to use tar on the temp directory
path = filepath.Join(tempDirectory, contextDir)
usedTempDir = true
} else {
fmt.Fprintf(out, "Uploading directory %q as binary input for the build ...\n", clean)
}
pr, pw := io.Pipe()
go func() {
w := gzip.NewWriter(pw)
if err := tar.New(s2ifs.NewFileSystem()).CreateTarStream(path, false, w); err != nil {
pw.CloseWithError(err)
} else {
w.Close()
pw.CloseWithError(io.EOF)
}
if usedTempDir {
os.RemoveAll(tempDirectory)
}
}()
r = pr
} else {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
r = f
if asFile {
options.AsFile = filepath.Base(path)
fmt.Fprintf(out, "Uploading file %q as binary input for the build ...\n", clean)
} else {
fmt.Fprintf(out, "Uploading archive file %q as binary input for the build ...\n", clean)
}
}
}
if !asFile {
br := bufio.NewReaderSize(r, 4096)
r = br
if !isArchive(br) {
fmt.Fprintf(out, "WARNING: the provided file may not be an archive (tar, tar.gz, or zip), use --from-file to prevent extraction\n")
}
}
stopProgress := progress(out)
defer stopProgress()
return client.InstantiateBinary(options.Name, options, r)
}
func progress(out io.Writer) func() {
stop := make(chan bool)
done := make(chan bool)
go func() {
tick := time.Tick(5 * time.Second)
for {
select {
case <-tick:
fmt.Fprintf(out, ".")
case <-stop:
fmt.Fprintf(out, "\nUploading finished\n")
done <- true
return
}
}
}()
return func() {
stop <- true
<-done
}
}
func isArchive(r *bufio.Reader) bool {
archivesMagicNumbers := []struct {
numbers []byte
offset int
}{ //https://en.wikipedia.org/wiki/List_of_file_signatures
{ // unified tar
numbers: []byte{0x75, 0x73, 0x74, 0x61, 0x72},
offset: 0x101,
},
{ //zip
numbers: []byte{0x50, 0x4B, 0x03, 0x04},
},
{ // tar.z
numbers: []byte{0x1F, 0x9D},
},
{ // tar.z
numbers: []byte{0x1F, 0xA0},
},
{ // bz2
numbers: []byte{0x42, 0x5A, 0x68},
},
{ // gzip
numbers: []byte{0x1F, 0x8B},
},
}
maxOffset := archivesMagicNumbers[0].offset //unified tar
data, err := r.Peek(maxOffset + len(archivesMagicNumbers[0].numbers))
if err != nil && err != io.EOF {
return false
}
for _, magic := range archivesMagicNumbers {
if len(data) >= magic.offset+len(magic.numbers) &&
bytes.Equal(data[magic.offset:magic.offset+len(magic.numbers)], magic.numbers) {
return true
}
}
return false
}
// RunStartBuildWebHook tries to trigger the provided webhook. It will attempt to utilize the current client
// configuration if the webhook has the same URL.
func (o *StartBuildOptions) RunStartBuildWebHook() error {
repo := o.Git
hook, err := url.Parse(o.FromWebhook)
if err != nil {
return err
}
event, err := hookEventFromPostReceive(repo, o.GitRepository, o.GitPostReceive)
if err != nil {
return err
}
// TODO: should be a versioned struct
var data []byte
if event != nil {
data, err = json.Marshal(event)
if err != nil {
return err
}
}
httpClient := http.DefaultClient
// when using HTTPS, try to reuse the local config transport if possible to get a client cert
// TODO: search all configs
if hook.Scheme == "https" {
if url, _, err := restclient.DefaultServerURL(o.ClientConfig.Host, "", schema.GroupVersion{}, true); err == nil {
if netutil.CanonicalAddr(url) == netutil.CanonicalAddr(hook) && url.Scheme == hook.Scheme {
if rt, err := restclient.TransportFor(o.ClientConfig); err == nil {
httpClient = &http.Client{Transport: rt}
}
}
}
}
glog.V(4).Infof("Triggering hook %s\n%s", hook, string(data))
resp, err := httpClient.Post(hook.String(), "application/json", bytes.NewBuffer(data))
if err != nil {
return err
}
defer resp.Body.Close()
switch {
case resp.StatusCode == 301 || resp.StatusCode == 302:
// TODO: follow redirect and display output
case resp.StatusCode < 200 || resp.StatusCode >= 300:
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("server rejected our request %d\nremote: %s", resp.StatusCode, string(body))
}
body, _ := ioutil.ReadAll(resp.Body)
if len(body) > 0 {
// In later server versions we return the created Build in the body.
newBuild := &buildv1.Build{}
if err := json.Unmarshal(body, newBuild); err != nil {
return err
}
if err := o.Printer.PrintObj(newBuild, o.Out); err != nil {
return err
}
}
return nil
}
// hookEventFromPostReceive creates a GenericWebHookEvent from the provided git repository and
// post receive input. If no inputs are available, it will return nil.
func hookEventFromPostReceive(repo git.Repository, path, postReceivePath string) (*buildapi.GenericWebHookEvent, error) {
// TODO: support other types of refs
event := &buildapi.GenericWebHookEvent{
Git: &buildapi.GitInfo{},
}
// attempt to extract a post receive body
refs := []git.ChangedRef{}
switch receive := postReceivePath; {
case receive == "-":
r, err := git.ParsePostReceive(os.Stdin)
if err != nil {
return nil, err
}
refs = r
case len(receive) > 0:
file, err := os.Open(receive)
if err != nil {
return nil, fmt.Errorf("unable to open --git-post-receive argument as a file: %v", err)
}
defer file.Close()
r, err := git.ParsePostReceive(file)
if err != nil {
return nil, err
}
refs = r
}
if len(refs) == 0 {
return nil, nil
}
for _, ref := range refs {
if len(ref.New) == 0 || ref.New == ref.Old {
continue
}
info, err := gitRefInfo(repo, path, ref.New)
if err != nil {
glog.V(4).Infof("Could not retrieve info for %s:%s: %v", ref.Ref, ref.New, err)
}
info.Ref = ref.Ref
info.Commit = ref.New
event.Git.Refs = append(event.Git.Refs, info)
}
return event, nil
}
// gitRefInfo extracts a buildapi.GitRefInfo from the specified repository or returns
// an error.
func gitRefInfo(repo git.Repository, dir, ref string) (buildapi.GitRefInfo, error) {
info := buildapi.GitRefInfo{}
if repo == nil {
return info, nil
}
out, err := repo.ShowFormat(dir, ref, "%H%n%an%n%ae%n%cn%n%ce%n%B")
if err != nil {
return info, err
}
lines := strings.SplitN(out, "\n", 6)
if len(lines) != 6 {
full := make([]string, 6)
copy(full, lines)
lines = full
}
info.Commit = lines[0]
info.Author.Name = lines[1]
info.Author.Email = lines[2]
info.Committer.Name = lines[3]
info.Committer.Email = lines[4]
info.Message = lines[5]
return info, nil
}
// WaitForBuildComplete waits for a build identified by the name to complete
func WaitForBuildComplete(c buildv1client.BuildInterface, name string) error {
isOK := func(b *buildv1.Build) bool {
return b.Status.Phase == buildv1.BuildPhaseComplete
}
isFailed := func(b *buildv1.Build) bool {
return b.Status.Phase == buildv1.BuildPhaseFailed ||
b.Status.Phase == buildv1.BuildPhaseCancelled ||
b.Status.Phase == buildv1.BuildPhaseError
}
for {
list, err := c.List(metav1.ListOptions{FieldSelector: fields.Set{"metadata.name": name}.AsSelector().String()})
if err != nil {
return err
}
for i := range list.Items {
if name == list.Items[i].Name && isOK(&list.Items[i]) {
return nil
}
if name != list.Items[i].Name || isFailed(&list.Items[i]) {
return fmt.Errorf("the build %s/%s status is %q", list.Items[i].Namespace, list.Items[i].Name, list.Items[i].Status.Phase)
}
}
rv := list.ResourceVersion
w, err := c.Watch(metav1.ListOptions{FieldSelector: fields.Set{"metadata.name": name}.AsSelector().String(), ResourceVersion: rv})
if err != nil {
return err
}
defer w.Stop()
for {
val, ok := <-w.ResultChan()
if !ok {
// reget and re-watch
break
}
if e, ok := val.Object.(*buildv1.Build); ok {
if name == e.Name && isOK(e) {
return nil
}
if name != e.Name || isFailed(e) {
return fmt.Errorf("The build %s/%s status is %q", e.Namespace, name, e.Status.Phase)
}
}
}
}
}
func isInvalidSourceInputsError(err error) bool {
if err != nil {
if statusErr, ok := err.(*kerrors.StatusError); ok {
if kerrors.IsInvalid(statusErr) {
for _, cause := range statusErr.ErrStatus.Details.Causes {
if cause.Field == "spec.source" {
return true
}
}
}
}
}
return false
}
func transformIsAlreadyExistsError(err error, buildConfigName string) error {
return fmt.Errorf("%s. Retry building BuildConfig \"%s\" or delete the conflicting builds", err.Error(), buildConfigName)
}
func httpFileName(resp *http.Response) (filename string) {
if contentDisposition := resp.Header.Get("Content-Disposition"); contentDisposition != "" {
_, params, err := mime.ParseMediaType(contentDisposition)
if err == nil {
filename = params["filename"]
} else {
glog.V(6).Infof("Unable to determine filename from Content-Disposition header: %v", err)