Move status command to kustomize.

This commit is contained in:
Jeffrey Regan
2020-01-21 16:23:44 -08:00
parent 758d428264
commit 8e5bce17dc
29 changed files with 119 additions and 649 deletions

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@@ -1,2 +0,0 @@
Copyright {{.Year}} {{.Holder}}
SPDX-License-Identifier: Apache-2.0

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@@ -1,39 +0,0 @@
# Copyright 2019 The Kubernetes Authors.
# SPDX-License-Identifier: Apache-2.0
.PHONY: generate license fix vet fmt test build tidy
GOBIN := $(shell go env GOPATH)/bin
build:
go build -v -o $(GOBIN)/resource .
all: generate build license fix vet fmt test lint tidy
fix:
go fix ./...
fmt:
go fmt ./...
generate:
(which $(GOBIN)/mdtogo || go get sigs.k8s.io/kustomize/cmd/mdtogo)
GOBIN=$(GOBIN) go generate ./...
license:
(which $(GOBIN)/addlicense || go get github.com/google/addlicense)
$(GOBIN)/addlicense -y 2019 -c "The Kubernetes Authors." -f LICENSE_TEMPLATE .
tidy:
go mod tidy
lint:
(which $(GOBIN)/golangci-lint || go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.19.1)
$(GOBIN)/golangci-lint run ./...
test:
go test -cover ./...
vet:
go vet ./...

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@@ -1,20 +0,0 @@
#!/bin/bash
# Copyright 2019 The Kubernetes Authors.
# SPDX-License-Identifier: Apache-2.0
set -e
: "${kyaml_major?Need to source VERSIONS}"
: "${kyaml_minor?Need to source VERSIONS}"
: "${kyaml_patch?Need to source VERSIONS}"
: "${kstatus_major?Need to source VERSIONS}"
: "${kstatus_minor?Need to source VERSIONS}"
: "${kstatus_patch?Need to source VERSIONS}"
go mod edit -dropreplace=sigs.k8s.io/kustomize/kyaml@v0.0.0
go mod edit -require=sigs.k8s.io/kustomize/kyaml@v$kyaml_major.$kyaml_minor.$kyaml_patch
go mod edit -dropreplace=sigs.k8s.io/kustomize/kstatus@v0.0.0
go mod edit -require=sigs.k8s.io/kustomize/kstatus@v$kstatus_major.$kstatus_minor.$kstatus_patch

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@@ -1,21 +0,0 @@
module sigs.k8s.io/kustomize/cmd/resource
go 1.12
require (
github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d
github.com/pkg/errors v0.8.1
github.com/spf13/cobra v0.0.5
github.com/stretchr/testify v1.4.0
k8s.io/api v0.17.0
k8s.io/apimachinery v0.17.0
k8s.io/client-go v0.17.0
sigs.k8s.io/controller-runtime v0.4.0
sigs.k8s.io/kustomize/kstatus v0.0.0
sigs.k8s.io/kustomize/kyaml v0.0.0
)
replace (
sigs.k8s.io/kustomize/kstatus v0.0.0 => ../../kstatus
sigs.k8s.io/kustomize/kyaml v0.0.0 => ../../kyaml
)

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@@ -1,444 +0,0 @@
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google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0 h1:AzbTB6ux+okLTzP8Ru1Xs41C303zdcfEht7MQnYJt5A=
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gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
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gopkg.in/square/go-jose.v2 v2.2.2/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
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gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
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k8s.io/api v0.0.0-20190918155943-95b840bb6a1f/go.mod h1:uWuOHnjmNrtQomJrvEBg0c0HRNyQ+8KTEERVsK0PW48=
k8s.io/api v0.17.0 h1:H9d/lw+VkZKEVIUc8F3wgiQ+FUXTTr21M87jXLU7yqM=
k8s.io/api v0.17.0/go.mod h1:npsyOePkeP0CPwyGfXDHxvypiYMJxBWAMpQxCaJ4ZxI=
k8s.io/apiextensions-apiserver v0.0.0-20190918161926-8f644eb6e783 h1:V6ndwCPoao1yZ52agqOKaUAl7DYWVGiXjV7ePA2i610=
k8s.io/apiextensions-apiserver v0.0.0-20190918161926-8f644eb6e783/go.mod h1:xvae1SZB3E17UpV59AWc271W/Ph25N+bjPyR63X6tPY=
k8s.io/apimachinery v0.0.0-20190913080033-27d36303b655 h1:CS1tBQz3HOXiseWZu6ZicKX361CZLT97UFnnPx0aqBw=
k8s.io/apimachinery v0.0.0-20190913080033-27d36303b655/go.mod h1:nL6pwRT8NgfF8TT68DBI8uEePRt89cSvoXUVqbkWHq4=
k8s.io/apimachinery v0.17.0 h1:xRBnuie9rXcPxUkDizUsGvPf1cnlZCFu210op7J7LJo=
k8s.io/apimachinery v0.17.0/go.mod h1:b9qmWdKlLuU9EBh+06BtLcSf/Mu89rWL33naRxs1uZg=
k8s.io/apiserver v0.0.0-20190918160949-bfa5e2e684ad/go.mod h1:XPCXEwhjaFN29a8NldXA901ElnKeKLrLtREO9ZhFyhg=
k8s.io/client-go v0.0.0-20190918160344-1fbdaa4c8d90 h1:mLmhKUm1X+pXu0zXMEzNsOF5E2kKFGe5o6BZBIIqA6A=
k8s.io/client-go v0.0.0-20190918160344-1fbdaa4c8d90/go.mod h1:J69/JveO6XESwVgG53q3Uz5OSfgsv4uxpScmmyYOOlk=
k8s.io/client-go v0.17.0 h1:8QOGvUGdqDMFrm9sD6IUFl256BcffynGoe80sxgTEDg=
k8s.io/client-go v0.17.0/go.mod h1:TYgR6EUHs6k45hb6KWjVD6jFZvJV4gHDikv/It0xz+k=
k8s.io/code-generator v0.0.0-20190912054826-cd179ad6a269/go.mod h1:V5BD6M4CyaN5m+VthcclXWsVcT1Hu+glwa1bi3MIsyE=
k8s.io/component-base v0.0.0-20190918160511-547f6c5d7090/go.mod h1:933PBGtQFJky3TEwYx4aEPZ4IxqhWh3R6DCmzqIn1hA=
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k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.4.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
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k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
k8s.io/utils v0.0.0-20191114184206-e782cd3c129f h1:GiPwtSzdP43eI1hpPCbROQCCIgCuiMMNF8YUVLF3vJo=
k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
modernc.org/strutil v1.0.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
sigs.k8s.io/controller-runtime v0.4.0 h1:wATM6/m+3w8lj8FXNaO6Fs/rq/vqoOjO1Q116Z9NPsg=
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sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
sigs.k8s.io/structured-merge-diff v0.0.0-20190817042607-6149e4549fca/go.mod h1:IIgPezJWb76P0hotTxzDbWsMYB8APh18qZnxkomBpxA=
sigs.k8s.io/testing_frameworks v0.1.2 h1:vK0+tvjF0BZ/RYFeZ1E6BYBwHJJXhjuZ3TdsEKH+UQM=
sigs.k8s.io/testing_frameworks v0.1.2/go.mod h1:ToQrwSC3s8Xf/lADdZp3Mktcql9CG0UAmdJG9th5i0w=
sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

View File

@@ -1,29 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"os"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/cmd/resource/status"
// This is here rather than in the libraries because of
// https://github.com/kubernetes-sigs/kustomize/issues/2060
_ "k8s.io/client-go/plugin/pkg/client/auth"
)
var root = &cobra.Command{
Use: "resource",
Short: "resource reference command",
}
func main() {
root.AddCommand(status.StatusCommand())
if err := root.Execute(); err != nil {
os.Exit(1)
}
}

View File

@@ -1,102 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package cmd
import (
"context"
"time"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/cmd/resource/status/generateddocs/commands"
"sigs.k8s.io/kustomize/kyaml/kio"
)
// GetEventsRunner returns a command EventsRunner.
func GetEventsRunner() *EventsRunner {
r := &EventsRunner{
newResolverFunc: newResolver,
}
c := &cobra.Command{
Use: "events DIR...",
Short: commands.EventsShort,
Long: commands.EventsLong,
Example: commands.EventsExamples,
RunE: r.runE,
}
c.Flags().BoolVar(&r.IncludeSubpackages, "include-subpackages", true,
"also print resources from subpackages.")
c.Flags().DurationVar(&r.Interval, "interval", 2*time.Second,
"check every n seconds.")
c.Flags().DurationVar(&r.Timeout, "timeout", 60*time.Second,
"give up after n seconds.")
r.Command = c
return r
}
func EventsCommand() *cobra.Command {
return GetEventsRunner().Command
}
// EventsRunner captures the parameters for the command
// and contains the run function.
type EventsRunner struct {
IncludeSubpackages bool
Interval time.Duration
Timeout time.Duration
Command *cobra.Command
newResolverFunc newResolverFunc
}
func (r *EventsRunner) runE(c *cobra.Command, args []string) error {
ctx := context.Background()
resolver, err := r.newResolverFunc(r.Interval)
if err != nil {
return errors.Wrap(err, "error creating resolver")
}
// Set up a CaptureIdentifierFilter and run all inputs through the
// filter with the pipeline to capture the inventory of resources
// which we are interested in.
captureFilter := &CaptureIdentifiersFilter{}
filters := []kio.Filter{captureFilter}
var inputs []kio.Reader
for _, a := range args {
inputs = append(inputs, kio.LocalPackageReader{
PackagePath: a,
IncludeSubpackages: r.IncludeSubpackages,
})
}
if len(inputs) == 0 {
inputs = append(inputs, &kio.ByteReader{Reader: c.InOrStdin()})
}
err = kio.Pipeline{
Inputs: inputs,
Filters: filters,
}.Execute()
if err != nil {
return errors.Wrap(err, "error reading manifests")
}
// Create a new printer that knows how to print updates about
// resourdes and their aggregate status in the events format.
printer := newEventPrinter(c.OutOrStdout(), c.OutOrStderr())
ctx, cancel := context.WithTimeout(ctx, r.Timeout)
defer cancel()
resChannel := resolver.WaitForStatus(ctx, captureFilter.Identifiers)
// Print events until the channel is closed. This will happen
// either because all resources has reached the Current status
// or it has timed out.
for msg := range resChannel {
printer.printEvent(msg)
}
return nil
}

View File

@@ -1,301 +0,0 @@
package cmd
import (
"bytes"
"fmt"
"reflect"
"regexp"
"strings"
"testing"
"github.com/stretchr/testify/assert"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/kustomize/kstatus/status"
"sigs.k8s.io/kustomize/kstatus/wait"
)
func TestEventsNoResources(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
fakeClient := &FakeClient{}
r := GetEventsRunner()
r.newResolverFunc = fakeResolver(fakeClient)
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err := r.Command.Execute()
if !assert.NoError(t, err) {
return
}
eventOutput := parseEventOutput(t, outBuffer.String())
if want, got := 1, len(eventOutput.events); want != got {
t.Errorf("expected %d events, but got %d", want, got)
}
event := eventOutput.events[0]
if want, got := status.CurrentStatus, event.aggStatus; want != got {
t.Errorf("expected agg status %s, but got %s", want, got)
}
}
func TestEventsMultipleUpdates(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
_, err := fmt.Fprint(inBuffer, `
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar
namespace: default
`)
if !assert.NoError(t, err) {
return
}
fakeClient := &FakeClient{
resourceCallbackMap: map[string]ResourceGetCallback{
"Deployment": createDeploymentStatusFunc(),
},
}
r := GetEventsRunner()
r.newResolverFunc = fakeResolver(fakeClient, appsv1.SchemeGroupVersion.WithKind("Deployment"))
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err = r.Command.Execute()
if !assert.NoError(t, err) {
return
}
eventOutput := parseEventOutput(t, outBuffer.String())
aggStatuses := eventOutput.allAggStatuses()
expectedAggStatuses := []status.Status{
status.InProgressStatus,
status.InProgressStatus,
status.InProgressStatus,
status.InProgressStatus,
status.CurrentStatus,
status.CurrentStatus,
}
if !reflect.DeepEqual(aggStatuses, expectedAggStatuses) {
t.Errorf("expected agg statuses to be %s, but got %s", joinStatuses(expectedAggStatuses),
joinStatuses(aggStatuses))
}
resources := eventOutput.allResources()
if want, got := 1, len(resources); want != got {
t.Errorf("expected %d resource, but got %d", want, got)
}
resource := resources[0]
resourceStatuses := eventOutput.statusesForResource(resource)
expectedResourceStatuses := []status.Status{
status.InProgressStatus,
status.InProgressStatus,
status.InProgressStatus,
status.InProgressStatus,
status.CurrentStatus,
}
if !reflect.DeepEqual(resourceStatuses, expectedResourceStatuses) {
t.Errorf("expected statuses to be %s, but got %s", joinStatuses(expectedResourceStatuses),
joinStatuses(resourceStatuses))
}
}
func TestEventsMultipleResources(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
_, err := fmt.Fprint(inBuffer, `
apiVersion: v1
kind: List
items:
- apiVersion: v1
kind: Pod
metadata:
name: foo
namespace: default
- apiVersion: v1
kind: Service
metadata:
name: bar
namespace: default
`)
if !assert.NoError(t, err) {
return
}
fakeClient := &FakeClient{
resourceCallbackMap: map[string]ResourceGetCallback{
"Pod": createPodStatusFunc(),
"Service": createServiceStatusFunc(),
},
}
r := GetEventsRunner()
r.newResolverFunc = fakeResolver(fakeClient, corev1.SchemeGroupVersion.WithKind("Pod"),
corev1.SchemeGroupVersion.WithKind("Service"))
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err = r.Command.Execute()
if !assert.NoError(t, err) {
return
}
eventOutput := parseEventOutput(t, outBuffer.String())
aggStatuses := eventOutput.allAggStatuses()
expectedAggStatuses := []status.Status{
status.UnknownStatus,
status.CurrentStatus,
status.CurrentStatus,
}
if !reflect.DeepEqual(aggStatuses, expectedAggStatuses) {
t.Errorf("expected agg statuses to be %s, but got %s", joinStatuses(expectedAggStatuses),
joinStatuses(aggStatuses))
}
resources := eventOutput.allResources()
if want, got := 2, len(resources); got != want {
t.Errorf("expected %d resource, but got %d", want, got)
}
for _, resource := range resources {
resourceStatuses := eventOutput.statusesForResource(resource)
if want, got := status.CurrentStatus, resourceStatuses[len(resourceStatuses)-1]; want != got {
t.Errorf("expected resource %q to have final status %s, but got %s", resource.name, want, got)
}
}
}
type EventOutput struct {
events []EventOutputLine
unknownLines []string
}
func (e *EventOutput) allAggStatuses() []status.Status {
var aggStatuses []status.Status
for _, event := range e.events {
aggStatuses = append(aggStatuses, event.aggStatus)
}
return aggStatuses
}
func (e *EventOutput) allResources() []ResourceIdentifier {
var resources []ResourceIdentifier
seenResources := make(map[ResourceIdentifier]bool)
for _, event := range e.events {
if !event.isResourceUpdateEvent() {
continue
}
r := event.identifier
if _, found := seenResources[r]; !found {
resources = append(resources, r)
seenResources[r] = true
}
}
return resources
}
func (e *EventOutput) statusesForResource(resource ResourceIdentifier) []status.Status {
var statuses []status.Status
for _, event := range e.events {
if !event.isResourceUpdateEvent() {
continue
}
if event.identifier.Equals(resource) {
statuses = append(statuses, event.status)
}
}
return statuses
}
type EventOutputLine struct {
eventType string
aggStatus status.Status
identifier ResourceIdentifier
status status.Status
message string
}
func (e *EventOutputLine) isResourceUpdateEvent() bool {
return e.eventType == string(wait.ResourceUpdate)
}
var (
eventRegex = regexp.MustCompile(`^\s*` +
`(?P<eventType>\S+)\s+` +
`(?P<aggStatus>\S+)\s+` +
`((?P<resourceType>\S+)\s+` +
`(?P<namespace>\S+)\s+` +
`(?P<name>\S+)\s+` +
`(?P<status>\S+)\s+` +
`(?P<message>.*\S)){0,1}` +
`\s*$`)
eventHeaderRegex = regexp.MustCompile(`^\s*` +
`EVENT TYPE\s+` +
`AGG STATUS\s+` +
`TYPE\s+` +
`NAMESPACE\s+` +
`NAME\s+` +
`STATUS\s+` +
`MESSAGE` +
`\s*$`)
)
func parseEventOutput(_ *testing.T, output string) EventOutput {
var eventOutput EventOutput
lines := strings.Split(output, "\n")
for _, line := range lines {
if len(line) == 0 {
continue // Ignore empty lines
}
match := eventHeaderRegex.FindStringSubmatch(line)
if match != nil {
continue // Ignore headers
}
match = eventRegex.FindStringSubmatch(line)
if match == nil {
eventOutput.unknownLines = append(eventOutput.unknownLines, line)
continue
}
eventOutputLine := EventOutputLine{
eventType: match[1],
aggStatus: status.FromStringOrDie(match[2]),
}
if eventOutputLine.eventType == string(wait.ResourceUpdate) {
resourceType := match[4]
parts := strings.Split(resourceType, "/")
var identifier ResourceIdentifier
if len(parts) == 2 {
identifier.apiVersion = parts[0]
identifier.kind = parts[1]
} else {
identifier.apiVersion = strings.Join(parts[:2], "/")
identifier.kind = parts[2]
}
identifier.namespace = match[5]
identifier.name = match[6]
eventOutputLine.identifier = identifier
eventOutputLine.status = status.FromStringOrDie(match[7])
eventOutputLine.message = match[8]
}
eventOutput.events = append(eventOutput.events, eventOutputLine)
}
return eventOutput
}

View File

@@ -1,125 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package cmd
import (
"context"
"time"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/cmd/resource/status/generateddocs/commands"
"sigs.k8s.io/kustomize/kstatus/status"
"sigs.k8s.io/kustomize/kstatus/wait"
"sigs.k8s.io/kustomize/kyaml/kio"
)
// GetFetchRunner returns a command FetchRunner.
func GetFetchRunner() *FetchRunner {
r := &FetchRunner{
newResolverFunc: newResolver,
}
c := &cobra.Command{
Use: "fetch DIR...",
Short: commands.FetchShort,
Long: commands.FetchLong,
Example: commands.FetchExamples,
RunE: r.runE,
}
c.Flags().BoolVar(&r.IncludeSubpackages, "include-subpackages", true,
"also print resources from subpackages.")
r.Command = c
return r
}
func FetchCommand() *cobra.Command {
return GetFetchRunner().Command
}
// FetchRunner captures the parameters for the command and contains
// the run function.
type FetchRunner struct {
IncludeSubpackages bool
Command *cobra.Command
newResolverFunc newResolverFunc
}
func (r *FetchRunner) runE(c *cobra.Command, args []string) error {
ctx := context.Background()
resolver, err := r.newResolverFunc(time.Minute)
if err != nil {
return errors.Wrap(err, "error creating resolver")
}
// Set up a CaptureIdentifierFilter and run all inputs through the
// filter with the pipeline to capture the inventory of resources
// which we are interested in.
captureFilter := &CaptureIdentifiersFilter{}
filters := []kio.Filter{captureFilter}
var inputs []kio.Reader
for _, a := range args {
inputs = append(inputs, kio.LocalPackageReader{
PackagePath: a,
IncludeSubpackages: r.IncludeSubpackages,
})
}
if len(inputs) == 0 {
inputs = append(inputs, &kio.ByteReader{Reader: c.InOrStdin()})
}
err = kio.Pipeline{
Inputs: inputs,
Filters: filters,
}.Execute()
if err != nil {
return errors.Wrap(err, "error reading manifests")
}
// Pass in the inventory of resources to the FetchAndResolve function
// on the resolver. It will return the status (or an error) for each
// resource in the inventory.
results := resolver.FetchAndResolve(ctx, captureFilter.Identifiers)
// Create new printer that knows how to print resource statuses
// in a table format and ask it to print the results.
newTablePrinter(FetchStatusInfo{results}, c.OutOrStdout(), c.OutOrStderr(), false).Print()
return nil
}
// FetchStatusInfo wraps the results from the FetchAndResolve function
// to the format expected in the TablePrinter.
type FetchStatusInfo struct {
Results []wait.ResourceResult
}
// CurrentStatus returns the latest information known about the
// status of each of the resources. For FetchStatusInfo, the result
// is never updated, so it just returns the information provided
// by the slice of wait.ResourceResult at creation.
func (f FetchStatusInfo) CurrentStatus() StatusData {
var resourceData []ResourceStatusData
for _, res := range f.Results {
rsd := ResourceStatusData{
Identifier: res.ResourceIdentifier,
}
if res.Error != nil {
rsd.Status = status.UnknownStatus
rsd.Message = res.Error.Error()
} else {
rsd.Status = res.Result.Status
rsd.Message = res.Result.Message
}
resourceData = append(resourceData, rsd)
}
return StatusData{
AggregateStatus: status.UnknownStatus,
ResourceStatuses: resourceData,
}
}

View File

@@ -1,231 +0,0 @@
package cmd
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"github.com/acarl005/stripansi"
"github.com/stretchr/testify/assert"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
"sigs.k8s.io/kustomize/kstatus/status"
)
func TestEmptyManifest(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
fakeClient := fake.NewFakeClientWithScheme(scheme)
r := GetFetchRunner()
r.newResolverFunc = fakeResolver(fakeClient)
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err := r.Command.Execute()
if !assert.NoError(t, err) {
return
}
output := outBuffer.String()
lines := strings.Split(output, "\n")
if want, got := 2, len(lines); want != got {
t.Errorf("Expected %d lines, but got %d", want, got)
}
}
func TestFetchStatusFromManifestStdIn(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
_, err := fmt.Fprint(inBuffer, `
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar
namespace: default
`)
if !assert.NoError(t, err) {
return
}
deployment := createDeployment("bar", "default", 42, appsv1.DeploymentStatus{
ObservedGeneration: 1,
})
fakeClient := fake.NewFakeClientWithScheme(scheme, deployment)
r := GetFetchRunner()
r.newResolverFunc = fakeResolver(fakeClient, appsv1.SchemeGroupVersion.WithKind("Deployment"))
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err = r.Command.Execute()
if !assert.NoError(t, err) {
return
}
cleanOutput := stripansi.Strip(outBuffer.String())
tableOutput := parseTableOutput(t, cleanOutput)
expectedResource := ResourceIdentifier{
apiVersion: "apps",
kind: "Deployment",
namespace: "default",
name: "bar",
}
expectedStatus := status.InProgressStatus
expectedMessage := "Deployment generation is 2, but latest observed generation is 1"
verifyOutputContains(t, tableOutput, expectedResource, expectedStatus, expectedMessage)
}
//nolint:funlen
func TestFetchStatusFromManifestsFiles(t *testing.T) {
d, err := ioutil.TempDir("", "status-fetch-test")
if !assert.NoError(t, err) {
return
}
defer os.RemoveAll(d)
err = ioutil.WriteFile(filepath.Join(d, "dep.yaml"), []byte(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: foo
namespace: default
`), 0600)
if !assert.NoError(t, err) {
return
}
err = ioutil.WriteFile(filepath.Join(d, "svc.yaml"), []byte(`
apiVersion: v1
kind: Service
metadata:
name: foo
namespace: default
`), 0600)
if !assert.NoError(t, err) {
return
}
replicas := int32(42)
deployment := createDeployment("foo", "default", replicas, appsv1.DeploymentStatus{
ObservedGeneration: 2,
Replicas: replicas,
ReadyReplicas: replicas,
AvailableReplicas: replicas,
UpdatedReplicas: replicas,
Conditions: []appsv1.DeploymentCondition{
{
Type: appsv1.DeploymentAvailable,
Status: v1.ConditionTrue,
},
},
})
service := createService("foo", "default")
fakeClient := fake.NewFakeClientWithScheme(scheme, deployment, service)
outBuffer := &bytes.Buffer{}
r := GetFetchRunner()
r.newResolverFunc = fakeResolver(fakeClient, appsv1.SchemeGroupVersion.WithKind("Deployment"),
v1.SchemeGroupVersion.WithKind("Service"))
r.Command.SetArgs([]string{d})
r.Command.SetOut(outBuffer)
err = r.Command.Execute()
if !assert.NoError(t, err) {
return
}
cleanOutput := stripansi.Strip(outBuffer.String())
tableOutput := parseTableOutput(t, cleanOutput)
expectedDeploymentResource := ResourceIdentifier{
apiVersion: "apps",
kind: "Deployment",
namespace: "default",
name: "foo",
}
expectedDeploymentStatus := status.CurrentStatus
expectedDeploymentMessage := "Deployment is available. Replicas: 42"
verifyOutputContains(t, tableOutput, expectedDeploymentResource, expectedDeploymentStatus, expectedDeploymentMessage)
expectedServiceResource := ResourceIdentifier{
apiVersion: "",
kind: "Service",
namespace: "default",
name: "foo",
}
expectedServiceStatus := status.CurrentStatus
expectedServiceMessage := "Service is ready"
verifyOutputContains(t, tableOutput, expectedServiceResource, expectedServiceStatus, expectedServiceMessage)
}
func createDeployment(name, namespace string, replicas int32, status appsv1.DeploymentStatus) *appsv1.Deployment {
return &appsv1.Deployment{
TypeMeta: metav1.TypeMeta{
APIVersion: "apps/v1",
Kind: "Deployment",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
Generation: 2,
},
Spec: appsv1.DeploymentSpec{
Replicas: &replicas,
},
Status: status,
}
}
func createService(name, namespace string) *v1.Service {
return &v1.Service{
TypeMeta: metav1.TypeMeta{
APIVersion: "v1",
Kind: "Service",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
},
}
}
func verifyOutputContains(t *testing.T, tableOutput TableOutput, resource ResourceIdentifier, status status.Status, message string) {
if len(tableOutput.Frames) == 0 {
t.Fatalf("expected match for resource %s, but output had no frames", resource.name)
}
firstFrame := tableOutput.Frames[0]
var foundResource ResourceOutput
match := false
for _, resourceOutput := range firstFrame.Resources {
if resourceOutput.identifier.Equals(resource) {
foundResource = resourceOutput
match = true
break
}
}
if !match {
t.Errorf("expected match for resource %s, but didn't find it", resource.name)
}
if want, got := status, foundResource.status; want != got {
t.Errorf("expected status %s for resource %s, but got %s", want, resource.name, got)
}
if want, got := message, foundResource.message; !strings.HasPrefix(want, got) {
t.Errorf("expected message %s for resource %s, but got %s", want, resource.name, got)
}
}

View File

@@ -1,264 +0,0 @@
package cmd
import (
"context"
"fmt"
"regexp"
"strings"
"testing"
"time"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/kustomize/kstatus/status"
"sigs.k8s.io/kustomize/kstatus/wait"
)
type TableOutput struct {
Frames []TableOutputFrame
UnknownRows []string
}
func (t *TableOutput) allAggStatuses() []status.Status {
var statuses []status.Status
for _, frame := range t.Frames {
if frame.AggregateStatus != "" {
statuses = append(statuses, frame.AggregateStatus)
}
}
return statuses
}
func (t *TableOutput) dedupedAggStatuses() []status.Status {
var dedupedStatuses []status.Status
statuses := t.allAggStatuses()
var previousStatus status.Status
for _, s := range statuses {
if s != previousStatus {
dedupedStatuses = append(dedupedStatuses, s)
previousStatus = s
}
}
return dedupedStatuses
}
func (t *TableOutput) resources() []ResourceIdentifier {
seenResources := make(map[ResourceIdentifier]bool)
var resources []ResourceIdentifier
for _, frame := range t.Frames {
for _, resource := range frame.Resources {
r := resource.identifier
_, found := seenResources[r]
if !found {
seenResources[r] = true
resources = append(resources, r)
}
}
}
return resources
}
func (t *TableOutput) dedupedStatusesForResource(resource ResourceIdentifier) []status.Status {
var dedupedStatuses []status.Status
var previousStatus status.Status
for _, frame := range t.Frames {
for _, r := range frame.Resources {
if r.identifier.Equals(resource) {
if r.status != previousStatus {
previousStatus = r.status
dedupedStatuses = append(dedupedStatuses, r.status)
}
}
}
}
return dedupedStatuses
}
type TableOutputFrame struct {
AggregateStatus status.Status
Resources []ResourceOutput
}
type ResourceIdentifier struct {
apiVersion string
kind string
name string
namespace string
}
func (r ResourceIdentifier) Equals(identifier ResourceIdentifier) bool {
return r.apiVersion == identifier.apiVersion &&
r.kind == identifier.kind &&
r.namespace == identifier.namespace &&
r.name == identifier.name
}
type ResourceOutput struct {
identifier ResourceIdentifier
status status.Status
message string
}
var (
headerRegex = regexp.MustCompile(`^\s*TYPE\s+NAMESPACE\s+NAME\s+STATUS\s+MESSAGE\s*$`)
resourceRegex = regexp.MustCompile(`^(?P<resourceType>\S+)\s+(?P<namespace>\S+)\s+(?P<name>\S+)\s+(?P<status>\S+)\s+(?P<message>.*\S)\s*$`)
aggStatusRegex = regexp.MustCompile(`^\s*AggregateStatus: (?P<aggregateStatus>\S+)\s*$`)
)
func parseTableOutput(_ *testing.T, output string) TableOutput {
tableOutput := TableOutput{}
lines := strings.Split(output, "\n")
hasAggStatus := false
var currentFrame TableOutputFrame
for i, line := range lines {
if len(line) == 0 {
continue // We don't care about empty lines.
}
// Check for lines with aggregate status. They are not always present, but if they are,
// they always start a new frame of output.
match := aggStatusRegex.FindStringSubmatch(line)
if match != nil {
hasAggStatus = true
if i != 0 {
tableOutput.Frames = append(tableOutput.Frames, currentFrame)
}
currentFrame = TableOutputFrame{
AggregateStatus: status.FromStringOrDie(match[1]),
}
continue
}
match = headerRegex.FindStringSubmatch(line)
if match != nil {
if !hasAggStatus {
if i != 0 {
tableOutput.Frames = append(tableOutput.Frames, currentFrame)
}
currentFrame = TableOutputFrame{}
}
continue
}
match = resourceRegex.FindStringSubmatch(line)
if match != nil {
var identifier ResourceIdentifier
resourceType := match[1]
parts := strings.Split(resourceType, "/")
if len(parts) == 2 {
identifier.apiVersion = parts[0]
identifier.kind = parts[1]
} else {
identifier.apiVersion = strings.Join(parts[:2], "/")
identifier.kind = parts[2]
}
identifier.namespace = match[2]
identifier.name = match[3]
res := ResourceOutput{
identifier: identifier,
}
res.status = status.FromStringOrDie(match[4])
res.message = match[5]
currentFrame.Resources = append(currentFrame.Resources, res)
continue
}
tableOutput.UnknownRows = append(tableOutput.UnknownRows, line)
}
tableOutput.Frames = append(tableOutput.Frames, currentFrame)
return tableOutput
}
func createDeploymentStatusFunc() func(*unstructured.Unstructured) error {
metadataMap := map[string]interface{}{
"generation": int64(2),
}
specMap := map[string]interface{}{
"replicas": int64(2),
}
statusMap := map[string]interface{}{
"observedGeneration": int64(2),
"replicas": int64(4),
"updatedReplicas": int64(4),
"readyReplicas": int64(4),
}
var conditions = make([]interface{}, 0)
conditions = append(conditions, map[string]interface{}{
"type": "Available",
"status": "True",
})
callbackCount := int64(0)
return func(deployment *unstructured.Unstructured) error {
_ = unstructured.SetNestedMap(deployment.Object, metadataMap, "metadata")
_ = unstructured.SetNestedMap(deployment.Object, specMap, "spec")
statusMap["availableReplicas"] = callbackCount
_ = unstructured.SetNestedMap(deployment.Object, statusMap, "status")
_ = unstructured.SetNestedSlice(deployment.Object, conditions, "status", "conditions")
callbackCount++
return nil
}
}
func createServiceStatusFunc() func(*unstructured.Unstructured) error {
return func(*unstructured.Unstructured) error {
return nil
}
}
func createPodStatusFunc() func(*unstructured.Unstructured) error {
statusMap := map[string]interface{}{
"phase": "Succeeded",
}
return func(pod *unstructured.Unstructured) error {
_ = unstructured.SetNestedMap(pod.Object, statusMap, "status")
return nil
}
}
type ResourceGetCallback func(resource *unstructured.Unstructured) error
type FakeClient struct {
resourceCallbackMap map[string]ResourceGetCallback
}
func (f *FakeClient) Get(_ context.Context, _ client.ObjectKey, obj runtime.Object) error {
kind := obj.GetObjectKind().GroupVersionKind().Kind
callbackFunc, found := f.resourceCallbackMap[kind]
if !found {
return fmt.Errorf("no callback func found for kind %s", kind)
}
u := obj.(*unstructured.Unstructured)
return callbackFunc(u)
}
func (f *FakeClient) List(context.Context, runtime.Object, ...client.ListOption) error {
return nil
}
func fakeResolver(fakeClient client.Reader, mapperTypes ...schema.GroupVersionKind) newResolverFunc {
return func(pollInterval time.Duration) (*wait.Resolver, error) {
var groupVersions []schema.GroupVersion
for _, gvk := range mapperTypes {
groupVersions = append(groupVersions, gvk.GroupVersion())
}
mapper := meta.NewDefaultRESTMapper(groupVersions)
for _, gvk := range mapperTypes {
mapper.Add(gvk, meta.RESTScopeNamespace)
}
return wait.NewResolver(fakeClient, mapper, pollInterval), nil
}
}
func joinStatuses(statuses []status.Status) string {
var stringStatuses []string
for _, s := range statuses {
stringStatuses = append(stringStatuses, s.String())
}
return strings.Join(stringStatuses, ",")
}

View File

@@ -1,354 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package cmd
import (
"fmt"
"io"
"time"
"sigs.k8s.io/kustomize/kstatus/status"
"sigs.k8s.io/kustomize/kstatus/wait"
)
const (
typeColumn = "type"
namespaceColumn = "namespace"
nameColumn = "name"
statusColumn = "status"
messageColumn = "message"
RESET = 0
ESC = 27
RED color = 31
GREEN color = 32
YELLOW color = 33
DEFAULT color = -1 // This is not a valid ANSI escape code. It is used here to mean that no color should be set.
)
type color int
func moveUp(w io.Writer, lineCount int) {
printOrDie(w, "%c[%dA", ESC, lineCount)
}
func eraseCurrentLine(w io.Writer) {
printOrDie(w, "%c[2K\r", ESC)
}
type colorFunc func(s status.Status) color
type contentFunc func(resource ResourceStatusData) string
type tableColumnInfo struct {
header string
width int
colorFunc colorFunc
contentFunc contentFunc
}
func defaultColorFunc(_ status.Status) color {
return DEFAULT
}
var (
tableColumns = map[string]tableColumnInfo{
typeColumn: {
header: "TYPE",
width: 25,
colorFunc: defaultColorFunc,
contentFunc: func(data ResourceStatusData) string {
return fmt.Sprintf("%s/%s", data.Identifier.GroupKind.Group, data.Identifier.GroupKind.Kind)
},
},
namespaceColumn: {
header: "NAMESPACE",
width: 15,
colorFunc: defaultColorFunc,
contentFunc: func(data ResourceStatusData) string {
return data.Identifier.Namespace
},
},
nameColumn: {
header: "NAME",
width: 20,
colorFunc: defaultColorFunc,
contentFunc: func(data ResourceStatusData) string {
return data.Identifier.Name
},
},
statusColumn: {
header: "STATUS",
width: 10,
colorFunc: colorForStatus,
contentFunc: func(data ResourceStatusData) string {
return data.Status.String()
},
},
messageColumn: {
header: "MESSAGE",
width: 40,
colorFunc: defaultColorFunc,
contentFunc: func(data ResourceStatusData) string {
return data.Message
},
},
}
tableColumnOrder = []string{typeColumn, namespaceColumn, nameColumn, statusColumn, messageColumn}
)
type StatusInfo interface {
CurrentStatus() StatusData
}
type StatusData struct {
AggregateStatus status.Status
ResourceStatuses []ResourceStatusData
}
type ResourceStatusData struct {
Identifier wait.ResourceIdentifier
Status status.Status
Message string
}
type TablePrinter struct {
statusInfo StatusInfo
out io.Writer
err io.Writer
showAggStatus bool
}
func newTablePrinter(statusInfo StatusInfo, out io.Writer, err io.Writer, showAggStatus bool) *TablePrinter {
return &TablePrinter{
statusInfo: statusInfo,
out: out,
err: err,
showAggStatus: showAggStatus,
}
}
func (s *TablePrinter) Print() {
s.printTable(s.statusInfo.CurrentStatus(), false)
}
func (s *TablePrinter) PrintUntil(stop <-chan struct{}, interval time.Duration) <-chan struct{} {
completed := make(chan struct{})
s.printTable(s.statusInfo.CurrentStatus(), false)
go func() {
defer close(completed)
ticker := time.NewTicker(interval)
for {
select {
case <-stop:
ticker.Stop()
s.printTable(s.statusInfo.CurrentStatus(), true)
return
case <-ticker.C:
s.printTable(s.statusInfo.CurrentStatus(), true)
}
}
}()
return completed
}
func (s *TablePrinter) printTable(data StatusData, deleteUp bool) {
if deleteUp {
if s.showAggStatus {
moveUp(s.out, 1)
}
moveUp(s.out, 1)
moveUp(s.out, len(data.ResourceStatuses))
}
eraseCurrentLine(s.out)
if s.showAggStatus {
printOrDie(s.out, "AggregateStatus: ")
printWithColorOrDie(s.out, colorForStatus(data.AggregateStatus), "%s\n", data.AggregateStatus)
}
s.printTableRow(headers())
for _, resource := range data.ResourceStatuses {
s.printTableRow(row(resource))
}
}
func (s *TablePrinter) printTableRow(rowData []RowData) {
for i, row := range rowData {
format := fmt.Sprintf("%%-%ds", row.width)
printWithColorOrDie(s.out, row.color, format, trimString(row.content, row.width))
if i != len(rowData)-1 {
printOrDie(s.out, " ")
}
}
printOrDie(s.out, "\n")
}
type RowData struct {
content string
color color
width int
}
func headers() []RowData {
var headers []RowData
for _, columnName := range tableColumnOrder {
column := tableColumns[columnName]
headers = append(headers, RowData{
content: column.header,
color: DEFAULT,
width: column.width,
})
}
return headers
}
func row(resource ResourceStatusData) []RowData {
var row []RowData
for _, columnName := range tableColumnOrder {
column := tableColumns[columnName]
row = append(row, RowData{
content: column.contentFunc(resource),
color: column.colorFunc(resource.Status),
width: column.width,
})
}
return row
}
type eventContentFunc func(wait.Event) string
type eventColumnInfo struct {
header string
width int
requireResourceUpdateEvent bool
contentFunc eventContentFunc
}
var (
eventColumns = []eventColumnInfo{
{
header: "EVENT TYPE",
width: 15,
requireResourceUpdateEvent: false,
contentFunc: func(event wait.Event) string {
return string(event.Type)
},
},
{
header: "AGG STATUS",
width: 10,
requireResourceUpdateEvent: false,
contentFunc: func(event wait.Event) string {
return event.AggregateStatus.String()
},
},
{
header: "TYPE",
width: 20,
requireResourceUpdateEvent: true,
contentFunc: func(event wait.Event) string {
return fmt.Sprintf("%s/%s", event.EventResource.ResourceIdentifier.GroupKind.Group,
event.EventResource.ResourceIdentifier.GroupKind.Kind)
},
},
{
header: "NAMESPACE",
width: 15,
requireResourceUpdateEvent: true,
contentFunc: func(event wait.Event) string {
return event.EventResource.ResourceIdentifier.Namespace
},
},
{
header: "NAME",
width: 20,
requireResourceUpdateEvent: true,
contentFunc: func(event wait.Event) string {
return event.EventResource.ResourceIdentifier.Name
},
},
{
header: "STATUS",
width: 10,
requireResourceUpdateEvent: true,
contentFunc: func(event wait.Event) string {
return event.EventResource.Status.String()
},
},
{
header: "MESSAGE",
width: 50,
requireResourceUpdateEvent: true,
contentFunc: func(event wait.Event) string {
if event.EventResource.Error != nil {
return event.EventResource.Error.Error()
}
return event.EventResource.Message
},
},
}
)
type EventPrinter struct {
out io.Writer
err io.Writer
}
func newEventPrinter(out io.Writer, err io.Writer) *EventPrinter {
for _, column := range eventColumns {
format := fmt.Sprintf("%%-%ds ", column.width)
printOrDie(out, format, column.header)
}
printOrDie(out, "\n")
return &EventPrinter{
out: out,
err: err,
}
}
func (e *EventPrinter) printEvent(event wait.Event) {
for _, column := range eventColumns {
if event.Type != wait.ResourceUpdate && column.requireResourceUpdateEvent {
continue
}
format := fmt.Sprintf("%%-%ds ", column.width)
printOrDie(e.out, format, trimString(column.contentFunc(event), column.width))
}
printOrDie(e.out, "\n")
}
func printOrDie(w io.Writer, format string, a ...interface{}) {
_, err := fmt.Fprintf(w, format, a...)
if err != nil {
panic(err)
}
}
func printWithColorOrDie(w io.Writer, color color, format string, a ...interface{}) {
if color == DEFAULT {
printOrDie(w, format, a...)
} else {
printOrDie(w, "%c[%dm", ESC, color)
printOrDie(w, format, a...)
printOrDie(w, "%c[%dm", ESC, RESET)
}
}
func colorForStatus(s status.Status) color {
switch s {
case status.CurrentStatus:
return GREEN
case status.InProgressStatus:
return YELLOW
case status.FailedStatus:
return RED
}
return DEFAULT
}
func trimString(str string, maxLength int) string {
if len(str) <= maxLength {
return str
}
return str[:maxLength]
}

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@@ -1,83 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package cmd
import (
"time"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
"sigs.k8s.io/kustomize/kstatus/wait"
"sigs.k8s.io/kustomize/kyaml/kio"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
var (
scheme = runtime.NewScheme()
)
func init() {
_ = clientgoscheme.AddToScheme(scheme)
}
type newResolverFunc func(pollInterval time.Duration) (*wait.Resolver, error)
// newResolver returns a new resolver that can resolve status for resources based
// on polling the cluster.
func newResolver(pollInterval time.Duration) (*wait.Resolver, error) {
config := ctrl.GetConfigOrDie()
mapper, err := apiutil.NewDiscoveryRESTMapper(config)
if err != nil {
return nil, err
}
c, err := client.New(config, client.Options{Scheme: scheme, Mapper: mapper})
if err != nil {
return nil, err
}
return wait.NewResolver(c, mapper, pollInterval), nil
}
// CaptureIdentifiersFilter implements the Filter interface in the kio package. It
// captures the identifiers for all resources passed through the pipeline.
type CaptureIdentifiersFilter struct {
Identifiers []wait.ResourceIdentifier
}
var _ kio.Filter = &CaptureIdentifiersFilter{}
func (f *CaptureIdentifiersFilter) Filter(slice []*yaml.RNode) ([]*yaml.RNode, error) {
for i := range slice {
meta, err := slice[i].GetMeta()
if err != nil {
return nil, err
}
// TODO(mortent): Update kyaml library
id := meta.GetIdentifier()
gv, err := schema.ParseGroupVersion(id.APIVersion)
if err != nil {
return nil, err
}
if IsValidKubernetesResource(id) {
f.Identifiers = append(f.Identifiers, wait.ResourceIdentifier{
Name: id.Name,
Namespace: id.Namespace,
GroupKind: schema.GroupKind{
Group: gv.Group,
Kind: id.Kind,
},
})
}
}
return slice, nil
}
func IsValidKubernetesResource(id yaml.ResourceIdentifier) bool {
return id.GetKind() != "" && id.GetAPIVersion() != "" && id.GetName() != ""
}

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@@ -1,40 +0,0 @@
package cmd
import (
"github.com/stretchr/testify/assert"
"sigs.k8s.io/kustomize/kyaml/yaml"
"testing"
)
func TestIsValidKubernetesResource(t *testing.T) {
testCases := map[string]struct {
data yaml.ResourceIdentifier
expected bool
}{
"invalid resource": {
data: yaml.ResourceIdentifier {
Name : "",
APIVersion : "",
Kind : "",
Namespace : "",
},
expected: false,
},
"valid resource": {
data: yaml.ResourceIdentifier {
Name : "SomeName",
APIVersion : "SomeVersion",
Kind : "SomeKind",
Namespace : "",
},
expected: true,
},
}
for tn, tc := range testCases {
t.Run(tn, func(t *testing.T) {
assert.Equal(t, IsValidKubernetesResource(tc.data), tc.expected)
})
}
}

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@@ -1,203 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package cmd
import (
"context"
"sync"
"time"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/cmd/resource/status/generateddocs/commands"
"sigs.k8s.io/kustomize/kstatus/status"
"sigs.k8s.io/kustomize/kstatus/wait"
"sigs.k8s.io/kustomize/kyaml/kio"
)
// GetWaitRunner return a command WaitRunner.
func GetWaitRunner() *WaitRunner {
r := &WaitRunner{
newResolverFunc: newResolver,
}
c := &cobra.Command{
Use: "wait DIR...",
Short: commands.WaitShort,
Long: commands.WaitLong,
Example: commands.WaitExamples,
RunE: r.runE,
}
c.Flags().BoolVar(&r.IncludeSubpackages, "include-subpackages", true,
"also print resources from subpackages.")
c.Flags().DurationVar(&r.Interval, "interval", 2*time.Second,
"check every n seconds. Default is every 2 seconds.")
c.Flags().DurationVar(&r.Timeout, "timeout", 60*time.Second,
"give up after n seconds. Default is 60 seconds.")
r.Command = c
return r
}
func WaitCommand() *cobra.Command {
return GetWaitRunner().Command
}
// WaitRunner captures the parameters for the command and contains
// the run function.
type WaitRunner struct {
IncludeSubpackages bool
Interval time.Duration
Timeout time.Duration
Command *cobra.Command
newResolverFunc newResolverFunc
}
// runE implements the logic of the command and will call the Wait command in the wait
// package, use a ResourceStatusCollector to capture the events from the channel, and the
// TablePrinter to display the information.
func (r *WaitRunner) runE(c *cobra.Command, args []string) error {
ctx := context.Background()
resolver, err := r.newResolverFunc(r.Interval)
if err != nil {
return errors.Wrap(err, "errors creating resolver")
}
captureFilter := &CaptureIdentifiersFilter{}
filters := []kio.Filter{captureFilter}
var inputs []kio.Reader
for _, a := range args {
inputs = append(inputs, kio.LocalPackageReader{
PackagePath: a,
IncludeSubpackages: r.IncludeSubpackages,
})
}
if len(inputs) == 0 {
inputs = append(inputs, &kio.ByteReader{Reader: c.InOrStdin()})
}
err = kio.Pipeline{
Inputs: inputs,
Filters: filters,
}.Execute()
if err != nil {
return errors.Wrap(err, "error reading manifests")
}
collector := newResourceStatusCollector(captureFilter.Identifiers)
stop := make(chan struct{})
printer := newTablePrinter(CollectorStatusInfo{collector}, c.OutOrStdout(), c.OutOrStderr(), true)
printFinished := printer.PrintUntil(stop, 1*time.Second)
ctx, cancel := context.WithTimeout(ctx, r.Timeout)
defer cancel()
resChannel := resolver.WaitForStatus(ctx, captureFilter.Identifiers)
for msg := range resChannel {
switch msg.Type {
case wait.ResourceUpdate:
collector.updateResourceStatus(msg)
case wait.Aborted:
collector.updateAggregateStatus(msg.AggregateStatus)
case wait.Completed:
collector.updateAggregateStatus(msg.AggregateStatus)
}
}
close(stop)
<-printFinished // Wait for printer to finish work.
return nil
}
// ResourceStatusCollector captures the latest state seen for all resources
// based on the events from the Wait channel. This is used by the TablePrinter
// to display status for all resources.
type ResourceStatusCollector struct {
mux sync.RWMutex
AggregateStatus status.Status
ResourceStatuses []*ResourceStatus
}
// updateResourceStatus takes the given event and update the status info
// in the ResourceStatusCollector.
func (r *ResourceStatusCollector) updateResourceStatus(msg wait.Event) {
r.mux.Lock()
defer r.mux.Unlock()
r.AggregateStatus = msg.AggregateStatus
eventResource := msg.EventResource
for _, resourceState := range r.ResourceStatuses {
if resourceState.Identifier.GroupKind == eventResource.ResourceIdentifier.GroupKind &&
resourceState.Identifier.Namespace == eventResource.ResourceIdentifier.Namespace &&
resourceState.Identifier.Name == eventResource.ResourceIdentifier.Name {
resourceState.Status = eventResource.Status
resourceState.Message = eventResource.Message
}
}
}
// updateAggregateStatus sets the aggregate status of the ResourceStatusCollector to the
// given value.
func (r *ResourceStatusCollector) updateAggregateStatus(aggregateStatus status.Status) {
r.mux.Lock()
defer r.mux.Unlock()
r.AggregateStatus = aggregateStatus
}
// ResourceStatus contains the status information for a single resource.
type ResourceStatus struct {
Identifier wait.ResourceIdentifier
Status status.Status
Message string
}
// newResourceStatusCollector creates a new ResourceStatusCollector with the given
// resources and sets the status for all of them to Unknown.
func newResourceStatusCollector(identifiers []wait.ResourceIdentifier) *ResourceStatusCollector {
var statuses []*ResourceStatus
for _, id := range identifiers {
statuses = append(statuses, &ResourceStatus{
Identifier: id,
Status: status.UnknownStatus,
Message: "",
})
}
return &ResourceStatusCollector{
AggregateStatus: status.UnknownStatus,
ResourceStatuses: statuses,
}
}
// CollectorStatusInfo is a wrapper around the ResourceStatusCollector
// to make it adhere to the interface of the TableWriter.
type CollectorStatusInfo struct {
Collector *ResourceStatusCollector
}
// CurrentStatus implements the interface for the TableWriter and
// returns a copy of the current status of the resources in the
// ResourceStatusCollector. This is done to make sure the TableWriter
// does not have to deal with synchronization when accessing the data.
func (f CollectorStatusInfo) CurrentStatus() StatusData {
f.Collector.mux.RLock()
defer f.Collector.mux.RUnlock()
var resourceData []ResourceStatusData
for _, res := range f.Collector.ResourceStatuses {
resourceData = append(resourceData, ResourceStatusData{
Identifier: res.Identifier,
Status: res.Status,
Message: res.Message,
})
}
return StatusData{
AggregateStatus: f.Collector.AggregateStatus,
ResourceStatuses: resourceData,
}
}

View File

@@ -1,179 +0,0 @@
package cmd
import (
"bytes"
"fmt"
"reflect"
"testing"
"github.com/acarl005/stripansi"
"github.com/stretchr/testify/assert"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/kustomize/kstatus/status"
)
func TestWaitNoResources(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
fakeClient := &FakeClient{}
r := GetWaitRunner()
r.newResolverFunc = fakeResolver(fakeClient)
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err := r.Command.Execute()
if !assert.NoError(t, err) {
return
}
cleanOutput := stripansi.Strip(outBuffer.String())
tableOutput := parseTableOutput(t, cleanOutput)
if want, got := 2, len(tableOutput.Frames); want != got {
t.Errorf("expected %d frames, but found %d", want, got)
}
aggStatuses := tableOutput.allAggStatuses()
expectedAggStatuses := []status.Status{
status.UnknownStatus,
status.CurrentStatus,
}
if !reflect.DeepEqual(aggStatuses, expectedAggStatuses) {
t.Errorf("expected agg statuses to be %s, but got %s", joinStatuses(expectedAggStatuses),
joinStatuses(aggStatuses))
}
resources := tableOutput.resources()
if want, got := 0, len(resources); want != got {
t.Errorf("expected %d resources, but found %d", want, got)
}
}
func TestWaitMultipleUpdates(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
_, err := fmt.Fprint(inBuffer, `
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar
namespace: default
`)
if !assert.NoError(t, err) {
return
}
fakeClient := &FakeClient{
resourceCallbackMap: map[string]ResourceGetCallback{
"Deployment": createDeploymentStatusFunc(),
},
}
r := GetWaitRunner()
r.newResolverFunc = fakeResolver(fakeClient, appsv1.SchemeGroupVersion.WithKind("Deployment"))
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err = r.Command.Execute()
if !assert.NoError(t, err) {
return
}
cleanOutput := stripansi.Strip(outBuffer.String())
tableOutput := parseTableOutput(t, cleanOutput)
aggStatuses := tableOutput.dedupedAggStatuses()
expectedStatuses := []status.Status{
status.UnknownStatus,
status.InProgressStatus,
status.CurrentStatus,
}
if !reflect.DeepEqual(aggStatuses, expectedStatuses) {
t.Errorf("expected deduped agg statuses to be %s, but got %s", joinStatuses(expectedStatuses),
joinStatuses(aggStatuses))
}
resources := tableOutput.resources()
if want, got := 1, len(resources); got != want {
t.Errorf("expected %d resource, but got %d", want, got)
}
resource := resources[0]
resourceStatuses := tableOutput.dedupedStatusesForResource(resource)
expectedResourceStatuses := []status.Status{
status.InProgressStatus,
status.CurrentStatus,
}
if !reflect.DeepEqual(expectedResourceStatuses, resourceStatuses) {
t.Errorf("expected resource %q to have statuses %s, but got %s", resource.name,
joinStatuses(expectedResourceStatuses), joinStatuses(resourceStatuses))
}
}
func TestWaitMultipleResources(t *testing.T) {
inBuffer := &bytes.Buffer{}
outBuffer := &bytes.Buffer{}
_, err := fmt.Fprint(inBuffer, `
apiVersion: v1
kind: List
items:
- apiVersion: v1
kind: Pod
metadata:
name: foo
namespace: default
- apiVersion: v1
kind: Service
metadata:
name: bar
namespace: default
`)
if !assert.NoError(t, err) {
return
}
fakeClient := &FakeClient{
resourceCallbackMap: map[string]ResourceGetCallback{
"Pod": createPodStatusFunc(),
"Service": createServiceStatusFunc(),
},
}
r := GetWaitRunner()
r.newResolverFunc = fakeResolver(fakeClient, corev1.SchemeGroupVersion.WithKind("Pod"),
corev1.SchemeGroupVersion.WithKind("Service"))
r.Command.SetArgs([]string{})
r.Command.SetIn(inBuffer)
r.Command.SetOut(outBuffer)
err = r.Command.Execute()
if !assert.NoError(t, err) {
return
}
cleanOutput := stripansi.Strip(outBuffer.String())
tableOutput := parseTableOutput(t, cleanOutput)
aggStatuses := tableOutput.dedupedAggStatuses()
if want, got := status.CurrentStatus, aggStatuses[len(aggStatuses)-1]; want != got {
t.Errorf("expected final agg statuses to be %s, but got %s", want, got)
}
resources := tableOutput.resources()
if want, got := 2, len(resources); got != want {
t.Errorf("expected %d resource, but got %d", want, got)
}
for _, resource := range resources {
resourceStatuses := tableOutput.dedupedStatusesForResource(resource)
if want, got := status.CurrentStatus, resourceStatuses[len(resourceStatuses)-1]; want != got {
t.Errorf("expected resource %q to have final status %s, but got %s", resource.name, want, got)
}
}
}

View File

@@ -1,22 +0,0 @@
## events
[Alpha] Poll the cluster until all provided resources have become Current and list the status change events.
### Synopsis
[Alpha] Poll the cluster for the state of all the provided resources until either they have all become
Current or the timeout is reached. The output will be status change events.
The list of resources which should be polled are provided as manifests either on the filesystem or
on StdIn.
DIR:
Path to local directory. If not provided, input is expected on StdIn.
### Examples
# Read resources from the filesystem and wait up to 1 minute for all of them to become Current
resource status events my-dir/
# Fetch all resources in the cluster and wait up to 5 minutes for all of them to become Current
kubectl get all --all-namespaces -oyaml | resource status events --timeout=5m

View File

@@ -1,21 +0,0 @@
## fetch
[Alpha] Fetch the state of the provided resources from the cluster and display status in a table.
### Synopsis
[Alpha] Fetches the state of all provided resources from the cluster and displays the status in
a table.
The list of resources are provided as manifests either on the filesystem or on StdIn.
DIR:
Path to local directory.
### Examples
# Read resources from the filesystem and wait up to 1 minute for all of them to become Current
resource status fetch my-dir/
# Fetch all resources in the cluster and wait up to 5 minutes for all of them to become Current
kubectl get all --all-namespaces -oyaml | resource status fetch

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@@ -1,22 +0,0 @@
## wait
[Alpha] Poll the cluster until all provided resources have become Current and display progress in a table.
### Synopsis
[Alpha] Poll the cluster for the state of all the provided resources until either they have all become
Current or the timeout is reached. The output will be presented as a table.
The list of resources which should be polled are provided as manifests either on the filesystem or
on StdIn.
DIR:
Path to local directory. If not provided, input is expected on StdIn.
### Examples
# Read resources from the filesystem and wait up to 1 minute for all of them to become Current
resource status wait my-dir/
# Fetch all resources in the cluster and wait up to 5 minutes for all of them to become Current
kubectl get all --all-namespaces -oyaml | resource status wait --timeout=5m

View File

@@ -1,55 +0,0 @@
// Code generated by "mdtogo"; DO NOT EDIT.
package commands
var EventsShort = `[Alpha] Poll the cluster until all provided resources have become Current and list the status change events.`
var EventsLong = `
[Alpha] Poll the cluster for the state of all the provided resources until either they have all become
Current or the timeout is reached. The output will be status change events.
The list of resources which should be polled are provided as manifests either on the filesystem or
on StdIn.
DIR:
Path to local directory. If not provided, input is expected on StdIn.
`
var EventsExamples = `
# Read resources from the filesystem and wait up to 1 minute for all of them to become Current
resource status events my-dir/
# Fetch all resources in the cluster and wait up to 5 minutes for all of them to become Current
kubectl get all --all-namespaces -oyaml | resource status events --timeout=5m`
var FetchShort = `[Alpha] Fetch the state of the provided resources from the cluster and display status in a table.`
var FetchLong = `
[Alpha] Fetches the state of all provided resources from the cluster and displays the status in
a table.
The list of resources are provided as manifests either on the filesystem or on StdIn.
DIR:
Path to local directory.
`
var FetchExamples = `
# Read resources from the filesystem and wait up to 1 minute for all of them to become Current
resource status fetch my-dir/
# Fetch all resources in the cluster and wait up to 5 minutes for all of them to become Current
kubectl get all --all-namespaces -oyaml | resource status fetch`
var WaitShort = `[Alpha] Poll the cluster until all provided resources have become Current and display progress in a table. `
var WaitLong = `
[Alpha] Poll the cluster for the state of all the provided resources until either they have all become
Current or the timeout is reached. The output will be presented as a table.
The list of resources which should be polled are provided as manifests either on the filesystem or
on StdIn.
DIR:
Path to local directory. If not provided, input is expected on StdIn.
`
var WaitExamples = `
# Read resources from the filesystem and wait up to 1 minute for all of them to become Current
resource status wait my-dir/
# Fetch all resources in the cluster and wait up to 5 minutes for all of them to become Current
kubectl get all --all-namespaces -oyaml | resource status wait --timeout=5m`

View File

@@ -1,24 +0,0 @@
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
//go:generate $GOBIN/mdtogo docs/commands generateddocs/commands --license=none
package status
import (
"github.com/spf13/cobra"
"sigs.k8s.io/kustomize/cmd/resource/status/cmd"
)
func StatusCommand() *cobra.Command {
var status = &cobra.Command{
Use: "status",
Short: "[Alpha] Commands for working with resource status.",
}
status.AddCommand(cmd.FetchCommand())
status.AddCommand(cmd.WaitCommand())
status.AddCommand(cmd.EventsCommand())
return status
}