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feat: add cli commands to create/set/unset/edit sources for multi-sou…
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…rce application (#17425)

* "feat:add cli commands to create/set/unset/edit sources for multi-source app"

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* fixed the ci failure

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* update commands

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* error out if source-index not specified for multi-source applications

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* fixed the ci failure

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* fix tests

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* set 0 as default source index for app create

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* add index to ParameterOverrides function

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* do not allow overrides for applications with multiple sources

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* update tests

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* remove create with override example

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* address comments

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* update tests

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* update examples in docs

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* update logs

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

* Add test and update docs

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>

---------

Signed-off-by: ishitasequeira <ishiseq29@gmail.com>
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@ishitasequeira
ishitasequeira authored Mar 18, 2024
1 parent 997688e commit ed0218f
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Showing 11 changed files with 185 additions and 42 deletions.
103 changes: 80 additions & 23 deletions cmd/argocd/commands/app.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -137,13 +137,15 @@ func NewApplicationCreateCommand(clientOpts *argocdclient.ClientOptions) *cobra.
# Create a Kustomize app
argocd app create kustomize-guestbook --repo https://github.com/argoproj/argocd-example-apps.git --path kustomize-guestbook --dest-namespace default --dest-server https://kubernetes.default.svc --kustomize-image gcr.io/heptio-images/ks-guestbook-demo:0.1
# Create a MultiSource app while yaml file contains an application with multiple sources
argocd app create guestbook --file <path-to-yaml-file>
# Create a app using a custom tool:
argocd app create kasane --repo https://github.com/argoproj/argocd-example-apps.git --path plugins/kasane --dest-namespace default --dest-server https://kubernetes.default.svc --config-management-plugin kasane`,
Run: func(c *cobra.Command, args []string) {
ctx := c.Context()

argocdClient := headless.NewClientOrDie(clientOpts, c)

apps, err := cmdutil.ConstructApps(fileURL, appName, labels, annotations, args, appOpts, c.Flags())
errors.CheckError(err)

Expand Down Expand Up @@ -730,6 +732,7 @@ func NewApplicationSetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Com
var (
appOpts cmdutil.AppOptions
appNamespace string
sourceIndex int
)
var command = &cobra.Command{
Use: "set APPNAME",
Expand All @@ -747,6 +750,9 @@ func NewApplicationSetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Com
# Set and override application parameters with a parameter file
argocd app set my-app --parameter-file path/to/parameter-file.yaml
# Set and override application parameters for a source at index 1 under spec.sources of app my-app. source-index starts at 1.
argocd app set my-app --source-index 1 --repo https://github.com/argoproj/argocd-example-apps.git
# Set application parameters and specify the namespace
argocd app set my-app --parameter key1=value1 --parameter key2=value2 --namespace my-namespace
`),
Expand All @@ -765,14 +771,25 @@ func NewApplicationSetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Com
app, err := appIf.Get(ctx, &application.ApplicationQuery{Name: &appName, AppNamespace: &appNs})
errors.CheckError(err)

visited := cmdutil.SetAppSpecOptions(c.Flags(), &app.Spec, &appOpts)
if app.Spec.HasMultipleSources() {
if sourceIndex <= 0 {
errors.CheckError(fmt.Errorf("Source index should be specified and greater than 0 for applications with multiple sources"))
}
if len(app.Spec.GetSources()) < sourceIndex {
errors.CheckError(fmt.Errorf("Source index should be less than the number of sources in the application"))
}
}

// sourceIndex startes with 1, thus, it needs to be decreased by 1 to find the correct index in the list of sources
sourceIndex = sourceIndex - 1
visited := cmdutil.SetAppSpecOptions(c.Flags(), &app.Spec, &appOpts, sourceIndex)
if visited == 0 {
log.Error("Please set at least one option to update")
c.HelpFunc()(c, args)
os.Exit(1)
}

setParameterOverrides(app, appOpts.Parameters)
setParameterOverrides(app, appOpts.Parameters, sourceIndex)
_, err = appIf.UpdateSpec(ctx, &application.ApplicationUpdateSpecRequest{
Name: &app.Name,
Spec: &app.Spec,
Expand All @@ -782,6 +799,7 @@ func NewApplicationSetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Com
errors.CheckError(err)
},
}
command.Flags().IntVar(&sourceIndex, "source-index", -1, "Index of the source from the list of sources of the app. Index starts at 1.")
cmdutil.AddAppFlags(command, &appOpts)
command.Flags().StringVarP(&appNamespace, "app-namespace", "N", "", "Set application parameters in namespace")
return command
Expand All @@ -801,6 +819,7 @@ type unsetOpts struct {
ignoreMissingValueFiles bool
pluginEnvs []string
passCredentials bool
ref bool
}

// IsZero returns true when the Application options for kustomize are considered empty
Expand All @@ -816,6 +835,9 @@ func (o *unsetOpts) KustomizeIsZero() bool {

// NewApplicationUnsetCommand returns a new instance of an `argocd app unset` command
func NewApplicationUnsetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var (
sourceIndex int
)
appOpts := cmdutil.AppOptions{}
opts := unsetOpts{}
var appNamespace string
Expand All @@ -825,9 +847,12 @@ func NewApplicationUnsetCommand(clientOpts *argocdclient.ClientOptions) *cobra.C
Example: ` # Unset kustomize override kustomize image
argocd app unset my-app --kustomize-image=alpine
# Unset kustomize override prefix
# Unset kustomize override suffix
argocd app unset my-app --namesuffix
# Unset kustomize override suffix for source at index 1 under spec.sources of app my-app. source-index starts at 1.
argocd app unset my-app --source-index 1 --namesuffix
# Unset parameter override
argocd app unset my-app -p COMPONENT=PARAM`,

Expand All @@ -838,14 +863,25 @@ func NewApplicationUnsetCommand(clientOpts *argocdclient.ClientOptions) *cobra.C
c.HelpFunc()(c, args)
os.Exit(1)
}

appName, appNs := argo.ParseFromQualifiedName(args[0], appNamespace)
conn, appIf := headless.NewClientOrDie(clientOpts, c).NewApplicationClientOrDie()
defer argoio.Close(conn)
app, err := appIf.Get(ctx, &application.ApplicationQuery{Name: &appName, AppNamespace: &appNs})
errors.CheckError(err)

source := app.Spec.GetSource()
updated, nothingToUnset := unset(&source, opts)
if app.Spec.HasMultipleSources() {
if sourceIndex <= 0 {
errors.CheckError(fmt.Errorf("Source index should be specified and greater than 0 for applications with multiple sources"))
}
if len(app.Spec.GetSources()) < sourceIndex {
errors.CheckError(fmt.Errorf("Source index should be less than the number of sources in the application"))
}
}

source := app.Spec.GetSourcePtr(sourceIndex)

updated, nothingToUnset := unset(source, opts)
if nothingToUnset {
c.HelpFunc()(c, args)
os.Exit(1)
Expand All @@ -854,7 +890,7 @@ func NewApplicationUnsetCommand(clientOpts *argocdclient.ClientOptions) *cobra.C
return
}

cmdutil.SetAppSpecOptions(c.Flags(), &app.Spec, &appOpts)
cmdutil.SetAppSpecOptions(c.Flags(), &app.Spec, &appOpts, sourceIndex)
_, err = appIf.UpdateSpec(ctx, &application.ApplicationUpdateSpecRequest{
Name: &app.Name,
Spec: &app.Spec,
Expand All @@ -877,13 +913,22 @@ func NewApplicationUnsetCommand(clientOpts *argocdclient.ClientOptions) *cobra.C
command.Flags().StringArrayVar(&opts.kustomizeReplicas, "kustomize-replica", []string{}, "Kustomize replicas name (e.g. --kustomize-replica my-deployment --kustomize-replica my-statefulset)")
command.Flags().StringArrayVar(&opts.pluginEnvs, "plugin-env", []string{}, "Unset plugin env variables (e.g --plugin-env name)")
command.Flags().BoolVar(&opts.passCredentials, "pass-credentials", false, "Unset passCredentials")
command.Flags().BoolVar(&opts.ref, "ref", false, "Unset ref on the source")
command.Flags().IntVar(&sourceIndex, "source-index", -1, "Index of the source from the list of sources of the app. Index starts at 1.")
return command
}

func unset(source *argoappv1.ApplicationSource, opts unsetOpts) (updated bool, nothingToUnset bool) {
needToUnsetRef := false
if opts.ref && source.Ref != "" {
source.Ref = ""
updated = true
needToUnsetRef = true
}

if source.Kustomize != nil {
if opts.KustomizeIsZero() {
return false, true
return updated, !needToUnsetRef
}

if opts.namePrefix && source.Kustomize.NamePrefix != "" {
Expand Down Expand Up @@ -933,7 +978,7 @@ func unset(source *argoappv1.ApplicationSource, opts unsetOpts) (updated bool, n
}
if source.Helm != nil {
if len(opts.parameters) == 0 && len(opts.valuesFiles) == 0 && !opts.valuesLiteral && !opts.ignoreMissingValueFiles && !opts.passCredentials {
return false, true
return updated, !needToUnsetRef
}
for _, paramStr := range opts.parameters {
helmParams := source.Helm.Parameters
Expand Down Expand Up @@ -970,9 +1015,10 @@ func unset(source *argoappv1.ApplicationSource, opts unsetOpts) (updated bool, n
updated = true
}
}

if source.Plugin != nil {
if len(opts.pluginEnvs) == 0 {
return false, true
return false, !needToUnsetRef
}
for _, env := range opts.pluginEnvs {
err := source.Plugin.RemoveEnvEntry(env)
Expand Down Expand Up @@ -2419,11 +2465,11 @@ func waitOnApplicationStatus(ctx context.Context, acdClient argocdclient.Client,
// setParameterOverrides updates an existing or appends a new parameter override in the application
// the app is assumed to be a helm app and is expected to be in the form:
// param=value
func setParameterOverrides(app *argoappv1.Application, parameters []string) {
func setParameterOverrides(app *argoappv1.Application, parameters []string, index int) {
if len(parameters) == 0 {
return
}
source := app.Spec.GetSource()
source := app.Spec.GetSourcePtr(index)
var sourceType argoappv1.ApplicationSourceType
if st, _ := source.ExplicitType(); st != nil {
sourceType = *st
Expand Down Expand Up @@ -2731,7 +2777,9 @@ func NewApplicationTerminateOpCommand(clientOpts *argocdclient.ClientOptions) *c
}

func NewApplicationEditCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var appNamespace string
var (
appNamespace string
)
var command = &cobra.Command{
Use: "edit APPNAME",
Short: "Edit application",
Expand All @@ -2742,6 +2790,7 @@ func NewApplicationEditCommand(clientOpts *argocdclient.ClientOptions) *cobra.Co
c.HelpFunc()(c, args)
os.Exit(1)
}

appName, appNs := argo.ParseFromQualifiedName(args[0], appNamespace)
conn, appIf := headless.NewClientOrDie(clientOpts, c).NewApplicationClientOrDie()
defer argoio.Close(conn)
Expand All @@ -2768,7 +2817,11 @@ func NewApplicationEditCommand(clientOpts *argocdclient.ClientOptions) *cobra.Co
}

var appOpts cmdutil.AppOptions
cmdutil.SetAppSpecOptions(c.Flags(), &app.Spec, &appOpts)

// do not allow overrides for applications with multiple sources
if !app.Spec.HasMultipleSources() {
cmdutil.SetAppSpecOptions(c.Flags(), &app.Spec, &appOpts, 0)
}
_, err = appIf.UpdateSpec(ctx, &application.ApplicationUpdateSpecRequest{
Name: &appName,
Spec: &updatedSpec,
Expand Down Expand Up @@ -2871,8 +2924,12 @@ func NewApplicationAddSourceCommand(clientOpts *argocdclient.ClientOptions) *cob
if len(app.Spec.Sources) > 0 {
appSource, _ := cmdutil.ConstructSource(&argoappv1.ApplicationSource{}, appOpts, c.Flags())

// sourceIndex is the index at which new source will be appended to spec.Sources
sourceIndex := len(app.Spec.GetSources())
app.Spec.Sources = append(app.Spec.Sources, *appSource)

setParameterOverrides(app, appOpts.Parameters, sourceIndex)

_, err = appIf.UpdateSpec(ctx, &application.ApplicationUpdateSpecRequest{
Name: &app.Name,
Spec: &app.Spec,
Expand All @@ -2895,13 +2952,13 @@ func NewApplicationAddSourceCommand(clientOpts *argocdclient.ClientOptions) *cob
// NewApplicationRemoveSourceCommand returns a new instance of an `argocd app remove-source` command
func NewApplicationRemoveSourceCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var (
source_index int
sourceIndex int
appNamespace string
)
command := &cobra.Command{
Use: "remove-source APPNAME",
Short: "Remove a source from multiple sources application. Index starts with 0.",
Example: ` # Remove the source at index 1 from application's sources
Short: "Remove a source from multiple sources application. Index starts with 1. Default value is -1.",
Example: ` # Remove the source at index 1 from application's sources. Index starts at 1.
argocd app remove-source myapplication --source-index 1`,
Run: func(c *cobra.Command, args []string) {
ctx := c.Context()
Expand All @@ -2911,8 +2968,8 @@ func NewApplicationRemoveSourceCommand(clientOpts *argocdclient.ClientOptions) *
os.Exit(1)
}

if source_index < 0 {
errors.CheckError(fmt.Errorf("Index value of source cannot be less than 0"))
if sourceIndex <= 0 {
errors.CheckError(fmt.Errorf("Index value of source must be greater than 0"))
}

argocdClient := headless.NewClientOrDie(clientOpts, c)
Expand All @@ -2936,11 +2993,11 @@ func NewApplicationRemoveSourceCommand(clientOpts *argocdclient.ClientOptions) *
errors.CheckError(fmt.Errorf("Cannot remove the only source remaining in the app"))
}

if len(app.Spec.GetSources()) <= source_index {
errors.CheckError(fmt.Errorf("Application does not have source at %d\n", source_index))
if len(app.Spec.GetSources()) < sourceIndex {
errors.CheckError(fmt.Errorf("Application does not have source at %d\n", sourceIndex))
}

app.Spec.Sources = append(app.Spec.Sources[:source_index], app.Spec.Sources[source_index+1:]...)
app.Spec.Sources = append(app.Spec.Sources[:sourceIndex-1], app.Spec.Sources[sourceIndex:]...)

_, err = appIf.UpdateSpec(ctx, &application.ApplicationUpdateSpecRequest{
Name: &app.Name,
Expand All @@ -2953,6 +3010,6 @@ func NewApplicationRemoveSourceCommand(clientOpts *argocdclient.ClientOptions) *
},
}
command.Flags().StringVarP(&appNamespace, "app-namespace", "N", "", "Namespace of the target application where the source will be appended")
command.Flags().IntVar(&source_index, "source-index", -1, "Index of the source from the list of sources of the app. Index starts from 0.")
command.Flags().IntVar(&sourceIndex, "source-index", -1, "Index of the source from the list of sources of the app. Index starts from 1.")
return command
}
32 changes: 23 additions & 9 deletions cmd/util/app.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -139,16 +139,27 @@ func AddAppFlags(command *cobra.Command, opts *AppOptions) {
command.Flags().StringVar(&opts.ref, "ref", "", "Ref is reference to another source within sources field")
}

func SetAppSpecOptions(flags *pflag.FlagSet, spec *argoappv1.ApplicationSpec, appOpts *AppOptions) int {
func SetAppSpecOptions(flags *pflag.FlagSet, spec *argoappv1.ApplicationSpec, appOpts *AppOptions, index int) int {
visited := 0
if flags == nil {
return visited
}
source := spec.GetSourcePtr()
source := spec.GetSourcePtr(index)
if source == nil {
source = &argoappv1.ApplicationSource{}
}
source, visited = ConstructSource(source, *appOpts, flags)
if spec.HasMultipleSources() {
if index == 0 {
spec.Sources[index] = *source
} else if index > 0 {
spec.Sources[index-1] = *source
} else {
spec.Sources = append(spec.Sources, *source)
}
} else {
spec.Source = source
}
flags.Visit(func(f *pflag.Flag) {
visited++

Expand Down Expand Up @@ -220,7 +231,6 @@ func SetAppSpecOptions(flags *pflag.FlagSet, spec *argoappv1.ApplicationSpec, ap
log.Fatalf("Invalid sync-retry-limit [%d]", appOpts.retryLimit)
}
}
spec.Source = source
})
if flags.Changed("auto-prune") {
if spec.SyncPolicy == nil || spec.SyncPolicy.Automated == nil {
Expand Down Expand Up @@ -414,11 +424,11 @@ func setJsonnetOptLibs(src *argoappv1.ApplicationSource, libs []string) {
// SetParameterOverrides updates an existing or appends a new parameter override in the application
// The app is assumed to be a helm app and is expected to be in the form:
// param=value
func SetParameterOverrides(app *argoappv1.Application, parameters []string) {
func SetParameterOverrides(app *argoappv1.Application, parameters []string, index int) {
if len(parameters) == 0 {
return
}
source := app.Spec.GetSource()
source := app.Spec.GetSourcePtr(index)
var sourceType argoappv1.ApplicationSourceType
if st, _ := source.ExplicitType(); st != nil {
sourceType = *st
Expand Down Expand Up @@ -530,8 +540,8 @@ func constructAppsBaseOnName(appName string, labels, annotations, args []string,
Source: &argoappv1.ApplicationSource{},
},
}
SetAppSpecOptions(flags, &app.Spec, &appOpts)
SetParameterOverrides(app, appOpts.Parameters)
SetAppSpecOptions(flags, &app.Spec, &appOpts, 0)
SetParameterOverrides(app, appOpts.Parameters, 0)
mergeLabels(app, labels)
setAnnotations(app, annotations)
return []*argoappv1.Application{
Expand All @@ -557,10 +567,14 @@ func constructAppsFromFileUrl(fileURL, appName string, labels, annotations, args
return nil, fmt.Errorf("app.Name is empty. --name argument can be used to provide app.Name")
}

SetAppSpecOptions(flags, &app.Spec, &appOpts)
SetParameterOverrides(app, appOpts.Parameters)
mergeLabels(app, labels)
setAnnotations(app, annotations)

// do not allow overrides for applications with multiple sources
if !app.Spec.HasMultipleSources() {
SetAppSpecOptions(flags, &app.Spec, &appOpts, 0)
SetParameterOverrides(app, appOpts.Parameters, 0)
}
}
return apps, nil
}
Expand Down
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