@ -47,9 +47,8 @@ faked locally. Additionally, none of the server-side testing of chart validity
`
func newTemplateCmd ( cfg * action . Configuration , out io . Writer ) * cobra . Command {
var validate bool
var includeCrds bool
var skipTests bool
var validate , includeCrds , skipTests , useReleaseName bool
var outputDir string
client := action . NewInstall ( cfg )
valueOpts := & values . Options { }
var kubeVersion string
@ -77,97 +76,75 @@ func newTemplateCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
client . ReleaseName = "release-name"
client . Replace = true // Skip the name check
client . ClientOnly = ! validate
client . APIVersions = chartutil . VersionSet ( extraAPIs )
client . IncludeCRDs = includeCrds
client . APIVersions = extraAPIs
rel , err := runInstall ( args , client , valueOpts , out )
if err != nil && ! settings . Debug {
if rel == nil || ( err != nil && ! settings . Debug ) {
if rel != nil {
return fmt . Errorf ( "%w\n\nUse --debug flag to render out invalid YAML" , err )
}
return err
}
// We ignore a potential error here because, when the --debug flag was specified,
// we always want to print the YAML, even if it is not valid. The error is still returned afterwards.
if rel != nil {
var manifests bytes . Buffer
fmt. Fprintln ( & manifests , strings . TrimSpace ( rel . Manifest ) )
if ! client . DisableHooks {
if outputDir != "" && useReleaseName {
outputDir = filepath . Join ( outputDir , client . ReleaseName )
}
fileWritten := make ( map [ string ] bool )
// deal hooks
if ! client . DisableHooks {
for _ , m := range rel . Hooks {
if skipTests && isTestHook ( m ) {
if matchFilePatterns ( m . Path , showFiles ) || ( skipTests && isTestHook ( m ) ) {
continue
}
if client . OutputDir == "" {
fmt . Fprintf ( & manifests , "---\n# Source: %s\n%s\n" , m . Path , m . Manifest )
} else {
newDir := client . OutputDir
if client . UseReleaseName {
newDir = filepath . Join ( client . OutputDir , client . ReleaseName )
}
err = writeToFile ( newDir , m . Path , m . Manifest , fileWritten [ m . Path ] )
err = writeManifest ( outputDir , m . Path , m . Manifest , fileWritten , out )
if err != nil {
return err
}
fileWritten [ m . Path ] = true
}
}
// deal crds
if includeCrds && ! client . SkipCRDs && rel . Chart != nil {
for _ , crd := range rel . Chart . CRDObjects ( ) {
if ! matchFilePatterns ( crd . Name , showFiles ) {
continue
}
err = writeManifest ( outputDir , crd . Name , string ( crd . File . Data ) , fileWritten , out )
if err != nil {
return err
}
}
}
// if we have a list of files to render, then check that each of the
// provided files exists in the chart.
if len ( showFiles ) > 0 {
// deal manifests
var manifests bytes . Buffer
_ , _ = fmt . Fprintln ( & manifests , strings . TrimSpace ( rel . Manifest ) )
// This is necessary to ensure consistent manifest ordering when using --show-only
// with globs or directory names.
splitManifests := releaseutil . SplitManifests ( manifests . String ( ) )
manifestsKeys := make ( [ ] string , 0 , len ( splitManifests ) )
manifestNameRegex := regexp . MustCompile ( "# Source: [^/]+/(.+)" )
for k := range splitManifests {
manifestsKeys = append ( manifestsKeys , k )
}
sort . Sort ( releaseutil . BySplitManifestsOrder ( manifestsKeys ) )
manifestNameRegex := regexp . MustCompile ( "# Source: [^/]+/(.+)" )
var manifestsToRender [ ] string
for _ , f := range showFiles {
missing := true
// Use linux-style filepath separators to unify user's input path
f = filepath . ToSlash ( f )
for _ , manifestKey := range manifestsKeys {
manifest := splitManifests [ manifestKey ]
submatch := manifestNameRegex . FindStringSubmatch ( manifest )
if len ( submatch ) == 0 {
continue
}
manifestName := submatch [ 1 ]
// manifest.Name is rendered using linux-style filepath separators on Windows as
// well as macOS/linux.
manifestPathSplit := strings . Split ( manifestName , "/" )
// manifest.Path is connected using linux-style filepath separators on Windows as
// well as macOS/linux
manifestPath := strings . Join ( manifestPathSplit , "/" )
// if the filepath provided matches a manifest path in the
// chart, render that manifest
if matched , _ := filepath . Match ( f , manifestPath ) ; ! matched {
continue
}
manifestsToRender = append ( manifestsToRender , manifest )
missing = false
}
if missing {
return fmt . Errorf ( "could not find template %s in chart" , f )
}
}
for _ , m := range manifestsToRender {
fmt . Fprintf ( out , "---\n%s\n" , m )
var manifestName string
if len ( submatch ) > 1 {
manifestName = submatch [ 1 ]
}
if matchFilePatterns ( manifestName , showFiles ) {
// remove text like # Source: XXX/XXX.yaml
manifest = manifestNameRegex . ReplaceAllString ( manifest , "" )
//err = writeManifest(outputDir, , manifest, fileWritten, out) todo
if err != nil {
return err
}
} else {
fmt . Fprintf ( out , "%s" , manifests . String ( ) )
}
}
return err
} ,
}
@ -175,14 +152,14 @@ func newTemplateCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
f := cmd . Flags ( )
addInstallFlags ( cmd , f , client , valueOpts )
f . StringArrayVarP ( & showFiles , "show-only" , "s" , [ ] string { } , "only show manifests rendered from the given templates" )
f . StringVar ( & client. O utputDir, "output-dir" , "" , "writes the executed templates to files in output-dir instead of stdout" )
f . StringVar ( & o utputDir, "output-dir" , "" , "writes the executed templates to files in output-dir instead of stdout" )
f . BoolVar ( & validate , "validate" , false , "validate your manifests against the Kubernetes cluster you are currently pointing at. This is the same validation performed on an install" )
f . BoolVar ( & includeCrds , "include-crds" , false , "include CRDs in the templated output" )
f . BoolVar ( & skipTests , "skip-tests" , false , "skip tests from templated output" )
f . BoolVar ( & client . IsUpgrade , "is-upgrade" , false , "set .Release.IsUpgrade instead of .Release.IsInstall" )
f . StringVar ( & kubeVersion , "kube-version" , "" , "Kubernetes version used for Capabilities.KubeVersion" )
f . StringSliceVarP ( & extraAPIs , "api-versions" , "a" , [ ] string { } , "Kubernetes api versions used for Capabilities.APIVersions" )
f . BoolVar ( & client. U seReleaseName, "release-name" , false , "use release name in the output-dir path." )
f . BoolVar ( & u seReleaseName, "release-name" , false , "use release name in the output-dir path." )
bindPostRenderFlag ( cmd , & client . PostRenderer )
return cmd
@ -197,11 +174,7 @@ func isTestHook(h *release.Hook) bool {
return false
}
// The following functions (writeToFile, createOrOpenFile, and ensureDirectoryForFile)
// are copied from the actions package. This is part of a change to correct a
// bug introduced by #8156. As part of the todo to refactor renderResources
// this duplicate code should be removed. It is added here so that the API
// surface area is as minimally impacted as possible in fixing the issue.
// writeToFile write manifests into output dir.
func writeToFile ( outputDir string , name string , data string , append bool ) error {
outfileName := strings . Join ( [ ] string { outputDir , name } , string ( filepath . Separator ) )
@ -243,3 +216,30 @@ func ensureDirectoryForFile(file string) error {
return os . MkdirAll ( baseDir , 0755 )
}
func matchFilePatterns ( target string , sf [ ] string ) bool {
if len ( sf ) == 0 {
return true
}
for _ , pattern := range sf {
pattern = filepath . ToSlash ( pattern )
matched , _ := filepath . Match ( pattern , target )
if matched {
return true
}
}
return false
}
func writeManifest ( outputDir , path , manifest string , fileWritten map [ string ] bool , outStream io . Writer ) error {
if outputDir == "" {
fmt . Fprintf ( outStream , "---\n# Source: %s\n%s\n" , path , manifest )
} else {
err := writeToFile ( outputDir , path , manifest , fileWritten [ path ] )
if err != nil {
return err
}
fileWritten [ path ] = true
}
return nil
}
wujunwei
3 years ago