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applicationset.go
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applicationset.go
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package commands
import (
"fmt"
"io"
"os"
"reflect"
"text/tabwriter"
"github.com/mattn/go-isatty"
"github.com/spf13/cobra"
"google.golang.org/grpc/codes"
"github.com/argoproj/argo-cd/v2/cmd/argocd/commands/headless"
cmdutil "github.com/argoproj/argo-cd/v2/cmd/util"
argocdclient "github.com/argoproj/argo-cd/v2/pkg/apiclient"
"github.com/argoproj/argo-cd/v2/pkg/apiclient/applicationset"
arogappsetv1 "github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
"github.com/argoproj/argo-cd/v2/util/argo"
"github.com/argoproj/argo-cd/v2/util/cli"
"github.com/argoproj/argo-cd/v2/util/errors"
"github.com/argoproj/argo-cd/v2/util/grpc"
argoio "github.com/argoproj/argo-cd/v2/util/io"
"github.com/argoproj/argo-cd/v2/util/templates"
)
var (
appSetExample = templates.Examples(`
# Get an ApplicationSet.
argocd appset get APPSETNAME
# List all the ApplicationSets
argocd appset list
# Create an ApplicationSet from a YAML stored in a file or at given URL
argocd appset create <filename or URL> (<filename or URL>...)
# Delete an ApplicationSet
argocd appset delete APPSETNAME (APPSETNAME...)
`)
)
// NewAppSetCommand returns a new instance of an `argocd appset` command
func NewAppSetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var command = &cobra.Command{
Use: "appset",
Short: "Manage ApplicationSets",
Example: appSetExample,
Run: func(c *cobra.Command, args []string) {
c.HelpFunc()(c, args)
os.Exit(1)
},
}
command.AddCommand(NewApplicationSetGetCommand(clientOpts))
command.AddCommand(NewApplicationSetCreateCommand(clientOpts))
command.AddCommand(NewApplicationSetListCommand(clientOpts))
command.AddCommand(NewApplicationSetDeleteCommand(clientOpts))
return command
}
// NewApplicationSetGetCommand returns a new instance of an `argocd appset get` command
func NewApplicationSetGetCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var (
output string
showParams bool
)
var command = &cobra.Command{
Use: "get APPSETNAME",
Short: "Get ApplicationSet details",
Run: func(c *cobra.Command, args []string) {
ctx := c.Context()
if len(args) == 0 {
c.HelpFunc()(c, args)
os.Exit(1)
}
acdClient := headless.NewClientOrDie(clientOpts, c)
conn, appIf := acdClient.NewApplicationSetClientOrDie()
defer argoio.Close(conn)
appSetName, appSetNs := argo.ParseFromQualifiedName(args[0], "")
appSet, err := appIf.Get(ctx, &applicationset.ApplicationSetGetQuery{Name: appSetName, AppsetNamespace: appSetNs})
errors.CheckError(err)
switch output {
case "yaml", "json":
err := PrintResource(appSet, output)
errors.CheckError(err)
case "wide", "":
printAppSetSummaryTable(appSet)
if len(appSet.Status.Conditions) > 0 {
fmt.Println()
w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
printAppSetConditions(w, appSet)
_ = w.Flush()
fmt.Println()
}
if showParams {
printHelmParams(appSet.Spec.Template.Spec.GetSource().Helm)
}
default:
errors.CheckError(fmt.Errorf("unknown output format: %s", output))
}
},
}
command.Flags().StringVarP(&output, "output", "o", "wide", "Output format. One of: json|yaml|wide")
command.Flags().BoolVar(&showParams, "show-params", false, "Show ApplicationSet parameters and overrides")
return command
}
// NewApplicationSetCreateCommand returns a new instance of an `argocd appset create` command
func NewApplicationSetCreateCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var upsert bool
var command = &cobra.Command{
Use: "create",
Short: "Create one or more ApplicationSets",
Example: templates.Examples(`
# Create ApplicationSets
argocd appset create <filename or URL> (<filename or URL>...)
`),
Run: func(c *cobra.Command, args []string) {
ctx := c.Context()
if len(args) == 0 {
c.HelpFunc()(c, args)
os.Exit(1)
}
argocdClient := headless.NewClientOrDie(clientOpts, c)
fileUrl := args[0]
appsets, err := cmdutil.ConstructApplicationSet(fileUrl)
errors.CheckError(err)
if len(appsets) == 0 {
fmt.Printf("No ApplicationSets found while parsing the input file")
os.Exit(1)
}
for _, appset := range appsets {
if appset.Name == "" {
err := fmt.Errorf("Error creating ApplicationSet %s. ApplicationSet does not have Name field set", appset)
errors.CheckError(err)
}
conn, appIf := argocdClient.NewApplicationSetClientOrDie()
defer argoio.Close(conn)
// Get app before creating to see if it is being updated or no change
existing, err := appIf.Get(ctx, &applicationset.ApplicationSetGetQuery{Name: appset.Name})
if grpc.UnwrapGRPCStatus(err).Code() != codes.NotFound {
errors.CheckError(err)
}
appSetCreateRequest := applicationset.ApplicationSetCreateRequest{
Applicationset: appset,
Upsert: upsert,
}
created, err := appIf.Create(ctx, &appSetCreateRequest)
errors.CheckError(err)
var action string
if existing == nil {
action = "created"
} else if !hasAppSetChanged(existing, created, upsert) {
action = "unchanged"
} else {
action = "updated"
}
fmt.Printf("ApplicationSet '%s' %s\n", created.ObjectMeta.Name, action)
}
},
}
command.Flags().BoolVar(&upsert, "upsert", false, "Allows to override ApplicationSet with the same name even if supplied ApplicationSet spec is different from existing spec")
return command
}
// NewApplicationSetListCommand returns a new instance of an `argocd appset list` command
func NewApplicationSetListCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var (
output string
selector string
projects []string
appSetNamespace string
)
var command = &cobra.Command{
Use: "list",
Short: "List ApplicationSets",
Example: templates.Examples(`
# List all ApplicationSets
argocd appset list
`),
Run: func(c *cobra.Command, args []string) {
ctx := c.Context()
conn, appIf := headless.NewClientOrDie(clientOpts, c).NewApplicationSetClientOrDie()
defer argoio.Close(conn)
appsets, err := appIf.List(ctx, &applicationset.ApplicationSetListQuery{Selector: selector, Projects: projects, AppsetNamespace: appSetNamespace})
errors.CheckError(err)
appsetList := appsets.Items
switch output {
case "yaml", "json":
err := PrintResourceList(appsetList, output, false)
errors.CheckError(err)
case "name":
printApplicationSetNames(appsetList)
case "wide", "":
printApplicationSetTable(appsetList, &output)
default:
errors.CheckError(fmt.Errorf("unknown output format: %s", output))
}
},
}
command.Flags().StringVarP(&output, "output", "o", "wide", "Output format. One of: wide|name|json|yaml")
command.Flags().StringVarP(&selector, "selector", "l", "", "List applicationsets by label")
command.Flags().StringArrayVarP(&projects, "project", "p", []string{}, "Filter by project name")
command.Flags().StringVarP(&appSetNamespace, "appset-namespace", "N", "", "Only list applicationsets in namespace")
return command
}
// NewApplicationSetDeleteCommand returns a new instance of an `argocd appset delete` command
func NewApplicationSetDeleteCommand(clientOpts *argocdclient.ClientOptions) *cobra.Command {
var (
noPrompt bool
)
var command = &cobra.Command{
Use: "delete",
Short: "Delete one or more ApplicationSets",
Example: templates.Examples(`
# Delete an applicationset
argocd appset delete APPSETNAME (APPSETNAME...)
`),
Run: func(c *cobra.Command, args []string) {
ctx := c.Context()
if len(args) == 0 {
c.HelpFunc()(c, args)
os.Exit(1)
}
conn, appIf := headless.NewClientOrDie(clientOpts, c).NewApplicationSetClientOrDie()
defer argoio.Close(conn)
var isTerminal bool = isatty.IsTerminal(os.Stdout.Fd()) || isatty.IsCygwinTerminal(os.Stdout.Fd())
var isConfirmAll bool = false
var numOfApps = len(args)
var promptFlag = c.Flag("yes")
if promptFlag.Changed && promptFlag.Value.String() == "true" {
noPrompt = true
}
for _, appSetQualifiedName := range args {
appSetName, appSetNs := argo.ParseFromQualifiedName(appSetQualifiedName, "")
appsetDeleteReq := applicationset.ApplicationSetDeleteRequest{
Name: appSetName,
AppsetNamespace: appSetNs,
}
if isTerminal && !noPrompt {
var lowercaseAnswer string
if numOfApps == 1 {
lowercaseAnswer = cli.AskToProceedS("Are you sure you want to delete '" + appSetQualifiedName + "' and all its Applications? [y/n] ")
} else {
if !isConfirmAll {
lowercaseAnswer = cli.AskToProceedS("Are you sure you want to delete '" + appSetQualifiedName + "' and all its Applications? [y/n/A] where 'A' is to delete all specified ApplicationSets and their Applications without prompting")
if lowercaseAnswer == "a" || lowercaseAnswer == "all" {
lowercaseAnswer = "y"
isConfirmAll = true
}
} else {
lowercaseAnswer = "y"
}
}
if lowercaseAnswer == "y" || lowercaseAnswer == "yes" {
_, err := appIf.Delete(ctx, &appsetDeleteReq)
errors.CheckError(err)
fmt.Printf("applicationset '%s' deleted\n", appSetQualifiedName)
} else {
fmt.Println("The command to delete '" + appSetQualifiedName + "' was cancelled.")
}
} else {
_, err := appIf.Delete(ctx, &appsetDeleteReq)
errors.CheckError(err)
}
}
},
}
command.Flags().BoolVarP(&noPrompt, "yes", "y", false, "Turn off prompting to confirm cascaded deletion of Application resources")
return command
}
// Print simple list of application names
func printApplicationSetNames(apps []arogappsetv1.ApplicationSet) {
for _, app := range apps {
fmt.Println(app.QualifiedName())
}
}
// Print table of application data
func printApplicationSetTable(apps []arogappsetv1.ApplicationSet, output *string) {
w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
var fmtStr string
headers := []interface{}{"NAME", "PROJECT", "SYNCPOLICY", "CONDITIONS"}
if *output == "wide" {
fmtStr = "%s\t%s\t%s\t%s\t%s\t%s\t%s\n"
headers = append(headers, "REPO", "PATH", "TARGET")
} else {
fmtStr = "%s\t%s\t%s\t%s\n"
}
_, _ = fmt.Fprintf(w, fmtStr, headers...)
for _, app := range apps {
conditions := make([]arogappsetv1.ApplicationSetCondition, 0)
for _, condition := range app.Status.Conditions {
if condition.Status == arogappsetv1.ApplicationSetConditionStatusTrue {
conditions = append(conditions, condition)
}
}
vals := []interface{}{
app.QualifiedName(),
app.Spec.Template.Spec.Project,
app.Spec.SyncPolicy,
conditions,
}
if *output == "wide" {
vals = append(vals, app.Spec.Template.Spec.GetSource().RepoURL, app.Spec.Template.Spec.GetSource().Path, app.Spec.Template.Spec.GetSource().TargetRevision)
}
_, _ = fmt.Fprintf(w, fmtStr, vals...)
}
_ = w.Flush()
}
func getServerForAppSet(appSet *arogappsetv1.ApplicationSet) string {
if appSet.Spec.Template.Spec.Destination.Server == "" {
return appSet.Spec.Template.Spec.Destination.Name
}
return appSet.Spec.Template.Spec.Destination.Server
}
func printAppSetSummaryTable(appSet *arogappsetv1.ApplicationSet) {
source := appSet.Spec.Template.Spec.GetSource()
fmt.Printf(printOpFmtStr, "Name:", appSet.QualifiedName())
fmt.Printf(printOpFmtStr, "Project:", appSet.Spec.Template.Spec.GetProject())
fmt.Printf(printOpFmtStr, "Server:", getServerForAppSet(appSet))
fmt.Printf(printOpFmtStr, "Namespace:", appSet.Spec.Template.Spec.Destination.Namespace)
fmt.Printf(printOpFmtStr, "Repo:", source.RepoURL)
fmt.Printf(printOpFmtStr, "Target:", source.TargetRevision)
fmt.Printf(printOpFmtStr, "Path:", source.Path)
printAppSourceDetails(&source)
var (
syncPolicyStr string
syncPolicy = appSet.Spec.Template.Spec.SyncPolicy
)
if syncPolicy != nil && syncPolicy.Automated != nil {
syncPolicyStr = "Automated"
if syncPolicy.Automated.Prune {
syncPolicyStr += " (Prune)"
}
} else {
syncPolicyStr = "<none>"
}
fmt.Printf(printOpFmtStr, "SyncPolicy:", syncPolicyStr)
}
func printAppSetConditions(w io.Writer, appSet *arogappsetv1.ApplicationSet) {
_, _ = fmt.Fprintf(w, "CONDITION\tSTATUS\tMESSAGE\tLAST TRANSITION\n")
for _, item := range appSet.Status.Conditions {
_, _ = fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", item.Type, item.Status, item.Message, item.LastTransitionTime)
}
}
func hasAppSetChanged(appReq, appRes *arogappsetv1.ApplicationSet, upsert bool) bool {
// upsert==false, no change occurred from create command
if !upsert {
return false
}
// Server will return nils for empty labels, annotations, finalizers
if len(appReq.Labels) == 0 {
appReq.Labels = nil
}
if len(appReq.Annotations) == 0 {
appReq.Annotations = nil
}
if len(appReq.Finalizers) == 0 {
appReq.Finalizers = nil
}
if reflect.DeepEqual(appRes.Spec, appReq.Spec) &&
reflect.DeepEqual(appRes.Labels, appReq.Labels) &&
reflect.DeepEqual(appRes.ObjectMeta.Annotations, appReq.Annotations) &&
reflect.DeepEqual(appRes.Finalizers, appReq.Finalizers) {
return false
}
return true
}