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workflowpod_test.go
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workflowpod_test.go
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package controller
import (
"context"
"fmt"
"os"
"path/filepath"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/assert"
apiv1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/pointer"
"github.com/argoproj/argo-workflows/v3/config"
wfv1 "github.com/argoproj/argo-workflows/v3/pkg/apis/workflow/v1alpha1"
"github.com/argoproj/argo-workflows/v3/test/util"
armocks "github.com/argoproj/argo-workflows/v3/workflow/artifactrepositories/mocks"
"github.com/argoproj/argo-workflows/v3/workflow/common"
wfutil "github.com/argoproj/argo-workflows/v3/workflow/util"
)
// Deprecated
func unmarshalTemplate(yamlStr string) *wfv1.Template {
return wfv1.MustUnmarshalTemplate(yamlStr)
}
// newWoc a new operation context suitable for testing
func newWoc(wfs ...wfv1.Workflow) *wfOperationCtx {
var wf *wfv1.Workflow
if len(wfs) == 0 {
wf = wfv1.MustUnmarshalWorkflow(helloWorldWf)
} else {
wf = &wfs[0]
}
cancel, controller := newController(wf)
defer cancel()
woc := newWorkflowOperationCtx(wf, controller)
return woc
}
var scriptWf = `
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
name: hello-world
spec:
entrypoint: whalesay
templates:
- name: script-with-input-artifact
inputs:
artifacts:
- name: kubectl
path: /bin/kubectl
http:
url: https://storage.googleapis.com/kubernetes-release/release/v1.8.0/bin/linux/amd64/kubectl
script:
image: alpine:latest
command: [sh]
source: |
ls /bin/kubectl
`
var scriptTemplateWithInputArtifact = `
name: script-with-input-artifact
inputs:
artifacts:
- name: kubectl
path: /bin/kubectl
http:
url: https://storage.googleapis.com/kubernetes-release/release/v1.8.0/bin/linux/amd64/kubectl
script:
image: alpine:latest
command: [sh]
source: |
ls /bin/kubectl
`
// TestScriptTemplateWithVolume ensure we can a script pod with input artifacts
func TestScriptTemplateWithVolume(t *testing.T) {
ctx := context.Background()
tmpl := unmarshalTemplate(scriptTemplateWithInputArtifact)
woc := newWoc()
_, err := woc.executeScript(ctx, tmpl.Name, "", tmpl, &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
}
var scriptTemplateWithOptionalInputArtifactProvided = `
name: script-with-input-artifact
inputs:
artifacts:
- name: manifest
path: /manifest
optional: true
http:
url: https://raw.githubusercontent.com/argoproj/argo-workflows/stable/manifests/install.yaml
script:
image: alpine:latest
command: [sh]
source: |
ls -al
`
var scriptTemplateWithOptionalInputArtifactProvidedAndOverlappedPath = `
name: script-with-input-artifact
inputs:
artifacts:
- name: manifest
path: /manifest
optional: true
http:
url: https://raw.githubusercontent.com/argoproj/argo-workflows/stable/manifests/install.yaml
script:
volumeMounts:
- mountPath: /manifest
name: my-mount
image: alpine:latest
command: [sh]
source: |
ls -al
`
// TestScriptTemplateWithVolume ensure we can a script pod with input artifacts
func TestScriptTemplateWithoutVolumeOptionalArtifact(t *testing.T) {
volumeMount := apiv1.VolumeMount{
Name: "input-artifacts",
ReadOnly: false,
MountPath: "/manifest",
SubPath: "manifest",
MountPropagation: nil,
SubPathExpr: "",
}
customVolumeMount := apiv1.VolumeMount{
Name: "my-mount",
ReadOnly: false,
MountPath: "/manifest",
SubPath: "",
MountPropagation: nil,
SubPathExpr: "",
}
customVolumeMountForInit := apiv1.VolumeMount{
Name: "my-mount",
ReadOnly: false,
MountPath: filepath.Join(common.ExecutorMainFilesystemDir, "/manifest"),
SubPath: "",
MountPropagation: nil,
SubPathExpr: "",
}
// Ensure that volume mount is added when artifact is provided
tmpl := unmarshalTemplate(scriptTemplateWithOptionalInputArtifactProvided)
woc := newWoc()
mainCtr := tmpl.Script.Container
mainCtr.Args = append(mainCtr.Args, common.ExecutorScriptSourcePath)
ctx := context.Background()
pod, err := woc.createWorkflowPod(ctx, tmpl.Name, []apiv1.Container{mainCtr}, tmpl, &createWorkflowPodOpts{})
assert.NoError(t, err)
// Note: pod.Spec.Containers[0] is wait
assert.Contains(t, pod.Spec.Containers[1].VolumeMounts, volumeMount)
assert.NotContains(t, pod.Spec.Containers[1].VolumeMounts, customVolumeMount)
assert.NotContains(t, pod.Spec.InitContainers[0].VolumeMounts, customVolumeMountForInit)
// Ensure that volume mount is added to initContainer when artifact is provided
// and the volume is mounted manually in the template
tmpl = unmarshalTemplate(scriptTemplateWithOptionalInputArtifactProvidedAndOverlappedPath)
wf := wfv1.MustUnmarshalWorkflow(helloWorldWf)
wf.Spec.Volumes = append(wf.Spec.Volumes, apiv1.Volume{Name: "my-mount"})
woc = newWoc(*wf)
mainCtr = tmpl.Script.Container
mainCtr.Args = append(mainCtr.Args, common.ExecutorScriptSourcePath)
pod, err = woc.createWorkflowPod(ctx, tmpl.Name, []apiv1.Container{mainCtr}, tmpl, &createWorkflowPodOpts{includeScriptOutput: true})
assert.NoError(t, err)
assert.NotContains(t, pod.Spec.Containers[1].VolumeMounts, volumeMount)
assert.Contains(t, pod.Spec.Containers[1].VolumeMounts, customVolumeMount)
assert.Contains(t, pod.Spec.InitContainers[0].VolumeMounts, customVolumeMountForInit)
}
// TestWFLevelServiceAccount verifies the ability to carry forward the service account name
// for the pod from workflow.spec.serviceAccountName.
func TestWFLevelServiceAccount(t *testing.T) {
woc := newWoc()
woc.execWf.Spec.ServiceAccountName = "foo"
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
ctx := context.Background()
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, pod.Spec.ServiceAccountName, "foo")
}
// TestTmplServiceAccount verifies the ability to carry forward the Template level service account name
// for the pod from workflow.spec.serviceAccountName.
func TestTmplServiceAccount(t *testing.T) {
woc := newWoc()
woc.execWf.Spec.ServiceAccountName = "foo"
woc.execWf.Spec.Templates[0].ServiceAccountName = "tmpl"
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
ctx := context.Background()
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, pod.Spec.ServiceAccountName, "tmpl")
}
// TestWFLevelAutomountServiceAccountToken verifies the ability to carry forward workflow level AutomountServiceAccountToken to Podspec.
func TestWFLevelAutomountServiceAccountToken(t *testing.T) {
woc := newWoc()
ctx := context.Background()
_, err := util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "foo", "foo-token")
assert.NoError(t, err)
falseValue := false
woc.execWf.Spec.AutomountServiceAccountToken = &falseValue
woc.execWf.Spec.Executor = &wfv1.ExecutorConfig{ServiceAccountName: "foo"}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, *pod.Spec.AutomountServiceAccountToken, false)
}
// TestTmplLevelAutomountServiceAccountToken verifies the ability to carry forward template level AutomountServiceAccountToken to Podspec.
func TestTmplLevelAutomountServiceAccountToken(t *testing.T) {
woc := newWoc()
ctx := context.Background()
_, err := util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "foo", "foo-token")
assert.NoError(t, err)
trueValue := true
falseValue := false
woc.execWf.Spec.AutomountServiceAccountToken = &trueValue
woc.execWf.Spec.Executor = &wfv1.ExecutorConfig{ServiceAccountName: "foo"}
woc.execWf.Spec.Templates[0].AutomountServiceAccountToken = &falseValue
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, *pod.Spec.AutomountServiceAccountToken, false)
}
// verifyServiceAccountTokenVolumeMount is a helper function to verify service account token volume in a container.
func verifyServiceAccountTokenVolumeMount(t *testing.T, ctr apiv1.Container, volName, mountPath string) {
for _, vol := range ctr.VolumeMounts {
if vol.Name == volName && vol.MountPath == mountPath {
return
}
}
t.Fatalf("%v does not have serviceAccountToken mounted properly (name: %s, mountPath: %s)", ctr, volName, mountPath)
}
// TestWFLevelExecutorServiceAccountName verifies the ability to carry forward workflow level AutomountServiceAccountToken to Podspec.
func TestWFLevelExecutorServiceAccountName(t *testing.T) {
woc := newWoc()
ctx := context.Background()
_, err := util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "foo", "foo-token")
assert.NoError(t, err)
woc.execWf.Spec.Executor = &wfv1.ExecutorConfig{ServiceAccountName: "foo"}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, "exec-sa-token", pod.Spec.Volumes[1].Name)
assert.Equal(t, "foo-token", pod.Spec.Volumes[1].VolumeSource.Secret.SecretName)
waitCtr := pod.Spec.Containers[0]
verifyServiceAccountTokenVolumeMount(t, waitCtr, "exec-sa-token", "/var/run/secrets/kubernetes.io/serviceaccount")
}
// TestTmplLevelExecutorServiceAccountName verifies the ability to carry forward template level AutomountServiceAccountToken to Podspec.
func TestTmplLevelExecutorServiceAccountName(t *testing.T) {
woc := newWoc()
ctx := context.Background()
_, err := util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "foo", "foo-token")
assert.NoError(t, err)
_, err = util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "tmpl", "tmpl-token")
assert.NoError(t, err)
woc.execWf.Spec.Executor = &wfv1.ExecutorConfig{ServiceAccountName: "foo"}
woc.execWf.Spec.Templates[0].Executor = &wfv1.ExecutorConfig{ServiceAccountName: "tmpl"}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := woc.controller.kubeclientset.CoreV1().Pods("").List(ctx, metav1.ListOptions{})
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, "exec-sa-token", pod.Spec.Volumes[1].Name)
assert.Equal(t, "tmpl-token", pod.Spec.Volumes[1].VolumeSource.Secret.SecretName)
waitCtr := pod.Spec.Containers[0]
verifyServiceAccountTokenVolumeMount(t, waitCtr, "exec-sa-token", "/var/run/secrets/kubernetes.io/serviceaccount")
}
// TestTmplLevelExecutorServiceAccountName verifies the ability to carry forward template level AutomountServiceAccountToken to Podspec.
func TestTmplLevelExecutorSecurityContext(t *testing.T) {
var user int64 = 1000
ctx := context.Background()
woc := newWoc()
_, err := util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "foo", "foo-token")
assert.NoError(t, err)
_, err = util.CreateServiceAccountWithToken(ctx, woc.controller.kubeclientset, "", "tmpl", "tmpl-token")
assert.NoError(t, err)
woc.controller.Config.Executor = &apiv1.Container{SecurityContext: &apiv1.SecurityContext{RunAsUser: &user}}
woc.execWf.Spec.Templates[0].Executor = &wfv1.ExecutorConfig{ServiceAccountName: "tmpl"}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := woc.controller.kubeclientset.CoreV1().Pods("").List(ctx, metav1.ListOptions{})
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
waitCtr := pod.Spec.Containers[0]
assert.NotNil(t, waitCtr.SecurityContext)
if waitCtr.SecurityContext != nil {
assert.NotNil(t, waitCtr.SecurityContext.RunAsUser)
if waitCtr.SecurityContext.RunAsUser != nil {
assert.Equal(t, int64(1000), *waitCtr.SecurityContext.RunAsUser)
}
}
}
// TestImagePullSecrets verifies the ability to carry forward imagePullSecrets from workflow.spec
func TestImagePullSecrets(t *testing.T) {
woc := newWoc()
woc.execWf.Spec.ImagePullSecrets = []apiv1.LocalObjectReference{
{
Name: "secret-name",
},
}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
ctx := context.Background()
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := woc.controller.kubeclientset.CoreV1().Pods("").List(ctx, metav1.ListOptions{})
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, pod.Spec.ImagePullSecrets[0].Name, "secret-name")
}
// TestAffinity verifies the ability to carry forward affinity rules
func TestAffinity(t *testing.T) {
woc := newWoc()
woc.execWf.Spec.Affinity = &apiv1.Affinity{
NodeAffinity: &apiv1.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &apiv1.NodeSelector{
NodeSelectorTerms: []apiv1.NodeSelectorTerm{
{
MatchExpressions: []apiv1.NodeSelectorRequirement{
{
Key: "kubernetes.io/e2e-az-name",
Operator: apiv1.NodeSelectorOpIn,
Values: []string{
"e2e-az1",
"e2e-az2",
},
},
},
},
},
},
},
}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
ctx := context.Background()
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.NotNil(t, pod.Spec.Affinity)
}
// TestTolerations verifies the ability to carry forward tolerations.
func TestTolerations(t *testing.T) {
woc := newWoc()
woc.execWf.Spec.Templates[0].Tolerations = []apiv1.Toleration{{
Key: "nvidia.com/gpu",
Operator: "Exists",
Effect: "NoSchedule",
}}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
ctx := context.Background()
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.NotNil(t, pod.Spec.Tolerations)
assert.Equal(t, pod.Spec.Tolerations[0].Key, "nvidia.com/gpu")
}
// TestMetadata verifies ability to carry forward annotations and labels
func TestMetadata(t *testing.T) {
woc := newWoc()
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
ctx := context.Background()
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.NotNil(t, pod.ObjectMeta)
assert.NotNil(t, pod.ObjectMeta.Annotations)
assert.NotNil(t, pod.ObjectMeta.Labels)
for k, v := range woc.execWf.Spec.Templates[0].Metadata.Annotations {
assert.Equal(t, pod.ObjectMeta.Annotations[k], v)
}
for k, v := range woc.execWf.Spec.Templates[0].Metadata.Labels {
assert.Equal(t, pod.ObjectMeta.Labels[k], v)
}
}
// TestWorkflowControllerArchiveConfig verifies archive location substitution of workflow
func TestWorkflowControllerArchiveConfig(t *testing.T) {
ctx := context.Background()
woc := newWoc()
setArtifactRepository(woc.controller, &wfv1.ArtifactRepository{S3: &wfv1.S3ArtifactRepository{
S3Bucket: wfv1.S3Bucket{
Bucket: "foo",
},
KeyFormat: "{{workflow.creationTimestamp.Y}}/{{workflow.creationTimestamp.m}}/{{workflow.creationTimestamp.d}}/{{workflow.name}}/{{pod.name}}",
}})
woc.operate(ctx)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
}
func setArtifactRepository(controller *WorkflowController, repo *wfv1.ArtifactRepository) {
controller.artifactRepositories = armocks.DummyArtifactRepositories(repo)
}
// TestConditionalNoAddArchiveLocation verifies we do not add archive location if it is not needed
func TestConditionalNoAddArchiveLocation(t *testing.T) {
ctx := context.Background()
woc := newWoc()
setArtifactRepository(woc.controller, &wfv1.ArtifactRepository{S3: &wfv1.S3ArtifactRepository{
S3Bucket: wfv1.S3Bucket{
Bucket: "foo",
},
KeyFormat: "path/in/bucket",
}})
woc.operate(ctx)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
tmpl, err := getPodTemplate(&pod)
assert.NoError(t, err)
assert.Nil(t, tmpl.ArchiveLocation)
}
// TestConditionalNoAddArchiveLocation verifies we do add archive location if it is needed for logs
func TestConditionalAddArchiveLocationArchiveLogs(t *testing.T) {
ctx := context.Background()
woc := newWoc()
setArtifactRepository(woc.controller, &wfv1.ArtifactRepository{
S3: &wfv1.S3ArtifactRepository{
S3Bucket: wfv1.S3Bucket{
Bucket: "foo",
},
KeyFormat: "path/in/bucket",
},
ArchiveLogs: pointer.BoolPtr(true),
})
woc.operate(ctx)
assert.Equal(t, wfv1.WorkflowRunning, woc.wf.Status.Phase)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
tmpl, err := getPodTemplate(&pod)
assert.NoError(t, err)
assert.NotNil(t, tmpl.ArchiveLocation)
}
// TestConditionalNoAddArchiveLocation verifies we add archive location when it is needed
func TestConditionalArchiveLocation(t *testing.T) {
ctx := context.Background()
wf := wfv1.MustUnmarshalWorkflow(helloWorldWf)
wf.Spec.Templates[0].Outputs = wfv1.Outputs{
Artifacts: []wfv1.Artifact{
{
Name: "foo",
Path: "/tmp/file",
},
},
}
woc := newWoc()
setArtifactRepository(woc.controller, &wfv1.ArtifactRepository{S3: &wfv1.S3ArtifactRepository{
S3Bucket: wfv1.S3Bucket{
Bucket: "foo",
},
KeyFormat: "path/in/bucket",
}})
woc.operate(ctx)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
tmpl, err := getPodTemplate(&pod)
assert.NoError(t, err)
assert.Nil(t, tmpl.ArchiveLocation)
}
// TestConditionalAddArchiveLocationTemplateArchiveLogs verifies we do add archive location if it is needed for logs
func TestConditionalAddArchiveLocationTemplateArchiveLogs(t *testing.T) {
tests := []struct {
controllerArchiveLog bool
workflowArchiveLog string
templateArchiveLog string
finalArchiveLog bool
}{
{true, "true", "true", true},
{true, "true", "false", true},
{true, "false", "true", true},
{true, "false", "false", true},
{false, "true", "true", true},
{false, "true", "false", false},
{false, "false", "true", true},
{false, "false", "false", false},
{true, "true", "", true},
{true, "false", "", true},
{true, "", "true", true},
{true, "", "false", true},
{false, "true", "", true},
{false, "false", "", false},
{false, "", "true", true},
{false, "", "false", false},
}
for _, tt := range tests {
t.Run(fmt.Sprintf("controllerArchiveLog: %t, workflowArchiveLog: %s, templateArchiveLog: %s, finalArchiveLog: %t", tt.controllerArchiveLog, tt.workflowArchiveLog, tt.templateArchiveLog, tt.finalArchiveLog), func(t *testing.T) {
wf := wfv1.MustUnmarshalWorkflow(helloWorldWf)
if tt.workflowArchiveLog != "" {
workflowArchiveLog, _ := strconv.ParseBool(tt.workflowArchiveLog)
wf.Spec.ArchiveLogs = pointer.BoolPtr(workflowArchiveLog)
}
if tt.templateArchiveLog != "" {
templateArchiveLog, _ := strconv.ParseBool(tt.templateArchiveLog)
wf.Spec.Templates[0].ArchiveLocation = &wfv1.ArtifactLocation{
ArchiveLogs: pointer.BoolPtr(templateArchiveLog),
}
}
cancel, controller := newController(wf)
defer cancel()
woc := newWorkflowOperationCtx(wf, controller)
setArtifactRepository(woc.controller, &wfv1.ArtifactRepository{
ArchiveLogs: pointer.BoolPtr(tt.controllerArchiveLog),
S3: &wfv1.S3ArtifactRepository{
S3Bucket: wfv1.S3Bucket{
Bucket: "foo",
},
KeyFormat: "path/in/bucket",
},
})
woc.operate(context.Background())
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
tmpl, err := getPodTemplate(&pod)
assert.NoError(t, err)
assert.Equal(t, tt.finalArchiveLog, tmpl.ArchiveLocation.IsArchiveLogs())
})
}
}
func Test_createWorkflowPod_rateLimited(t *testing.T) {
for limit, limited := range map[config.ResourceRateLimit]bool{
{Limit: 0, Burst: 0}: true,
{Limit: 1, Burst: 1}: false,
{Limit: 0, Burst: 1}: false,
{Limit: 1, Burst: 1}: false,
} {
limit := limit
t.Run(fmt.Sprintf("%v", limit), func(t *testing.T) {
wf := wfv1.MustUnmarshalWorkflow(helloWorldWf)
cancel, controller := newController(wf, func(c *WorkflowController) {
c.Config.ResourceRateLimit = &limit
})
defer cancel()
woc := newWorkflowOperationCtx(wf, controller)
woc.operate(context.Background())
x := woc.wf.Status.Nodes[woc.wf.Name]
assert.Equal(t, wfv1.NodePending, x.Phase)
if limited {
assert.Equal(t, "resource creation rate-limit reached", x.Message)
} else {
assert.Empty(t, x.Message)
}
})
}
}
func Test_createWorkflowPod_containerName(t *testing.T) {
woc := newWoc()
pod, err := woc.createWorkflowPod(context.Background(), "", []apiv1.Container{{Name: "invalid"}}, &wfv1.Template{}, &createWorkflowPodOpts{})
assert.NoError(t, err)
assert.Equal(t, common.MainContainerName, pod.Spec.Containers[1].Name)
}
func Test_createWorkflowPod_emissary(t *testing.T) {
t.Run("NoCommand", func(t *testing.T) {
woc := newWoc()
woc.controller.containerRuntimeExecutor = common.ContainerRuntimeExecutorEmissary
_, err := woc.createWorkflowPod(context.Background(), "", []apiv1.Container{{}}, &wfv1.Template{}, &createWorkflowPodOpts{})
assert.Error(t, err)
})
t.Run("CommandNoArgs", func(t *testing.T) {
woc := newWoc()
woc.controller.containerRuntimeExecutor = common.ContainerRuntimeExecutorEmissary
pod, err := woc.createWorkflowPod(context.Background(), "", []apiv1.Container{{Command: []string{"foo"}}}, &wfv1.Template{}, &createWorkflowPodOpts{})
assert.NoError(t, err)
assert.Equal(t, []string{"/var/run/argo/argoexec", "emissary", "--", "foo"}, pod.Spec.Containers[1].Command)
})
t.Run("NoCommandWithImageIndex", func(t *testing.T) {
woc := newWoc()
woc.controller.containerRuntimeExecutor = common.ContainerRuntimeExecutorEmissary
pod, err := woc.createWorkflowPod(context.Background(), "", []apiv1.Container{{Image: "my-image"}}, &wfv1.Template{}, &createWorkflowPodOpts{})
if assert.NoError(t, err) {
assert.Equal(t, []string{"/var/run/argo/argoexec", "emissary", "--", "my-cmd"}, pod.Spec.Containers[1].Command)
assert.Equal(t, []string{"my-args"}, pod.Spec.Containers[1].Args)
}
})
t.Run("NoCommandWithArgsWithImageIndex", func(t *testing.T) {
woc := newWoc()
woc.controller.containerRuntimeExecutor = common.ContainerRuntimeExecutorEmissary
pod, err := woc.createWorkflowPod(context.Background(), "", []apiv1.Container{{Image: "my-image", Args: []string{"foo"}}}, &wfv1.Template{}, &createWorkflowPodOpts{})
if assert.NoError(t, err) {
assert.Equal(t, []string{"/var/run/argo/argoexec", "emissary", "--", "my-cmd"}, pod.Spec.Containers[1].Command)
assert.Equal(t, []string{"foo"}, pod.Spec.Containers[1].Args)
}
})
}
// TestVolumeAndVolumeMounts verifies the ability to carry forward volumes and volumeMounts from workflow.spec
func TestVolumeAndVolumeMounts(t *testing.T) {
volumes := []apiv1.Volume{
{
Name: "volume-name",
VolumeSource: apiv1.VolumeSource{
EmptyDir: &apiv1.EmptyDirVolumeSource{},
},
},
}
volumeMounts := []apiv1.VolumeMount{
{
Name: "volume-name",
MountPath: "/test",
},
}
// For Docker executor
t.Run("Docker", func(t *testing.T) {
ctx := context.Background()
woc := newWoc()
woc.volumes = volumes
woc.execWf.Spec.Templates[0].Container.VolumeMounts = volumeMounts
woc.controller.Config.ContainerRuntimeExecutor = common.ContainerRuntimeExecutorDocker
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, 2, len(pod.Spec.Volumes))
assert.Equal(t, "docker-sock", pod.Spec.Volumes[0].Name)
assert.Equal(t, "volume-name", pod.Spec.Volumes[1].Name)
assert.Equal(t, 1, len(pod.Spec.Containers[1].VolumeMounts))
assert.Equal(t, "volume-name", pod.Spec.Containers[1].VolumeMounts[0].Name)
})
// For Kubelet executor
t.Run("Kubelet", func(t *testing.T) {
ctx := context.Background()
woc := newWoc()
woc.volumes = volumes
woc.execWf.Spec.Templates[0].Container.VolumeMounts = volumeMounts
woc.controller.Config.ContainerRuntimeExecutor = common.ContainerRuntimeExecutorKubelet
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, 1, len(pod.Spec.Volumes))
assert.Equal(t, "volume-name", pod.Spec.Volumes[0].Name)
assert.Equal(t, 1, len(pod.Spec.Containers[1].VolumeMounts))
assert.Equal(t, "volume-name", pod.Spec.Containers[1].VolumeMounts[0].Name)
})
// For K8sAPI executor
t.Run("K8SAPI", func(t *testing.T) {
ctx := context.Background()
woc := newWoc()
woc.volumes = volumes
woc.execWf.Spec.Templates[0].Container.VolumeMounts = volumeMounts
woc.controller.Config.ContainerRuntimeExecutor = common.ContainerRuntimeExecutorK8sAPI
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, 1, len(pod.Spec.Volumes))
assert.Equal(t, "volume-name", pod.Spec.Volumes[0].Name)
assert.Equal(t, 1, len(pod.Spec.Containers[1].VolumeMounts))
assert.Equal(t, "volume-name", pod.Spec.Containers[1].VolumeMounts[0].Name)
})
// For emissary executor
t.Run("Emissary", func(t *testing.T) {
ctx := context.Background()
woc := newWoc()
woc.volumes = volumes
woc.execWf.Spec.Templates[0].Container.VolumeMounts = volumeMounts
woc.controller.Config.ContainerRuntimeExecutor = common.ContainerRuntimeExecutorEmissary
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
if assert.Len(t, pod.Spec.Volumes, 2) {
assert.Equal(t, "var-run-argo", pod.Spec.Volumes[0].Name)
assert.Equal(t, "volume-name", pod.Spec.Volumes[1].Name)
}
if assert.Len(t, pod.Spec.InitContainers, 1) {
init := pod.Spec.InitContainers[0]
if assert.Len(t, init.VolumeMounts, 1) {
assert.Equal(t, "var-run-argo", init.VolumeMounts[0].Name)
}
}
containers := pod.Spec.Containers
if assert.Len(t, containers, 2) {
wait := containers[0]
if assert.Len(t, wait.VolumeMounts, 2) {
assert.Equal(t, "volume-name", wait.VolumeMounts[0].Name)
assert.Equal(t, "var-run-argo", wait.VolumeMounts[1].Name)
}
main := containers[1]
assert.Equal(t, []string{"/var/run/argo/argoexec", "emissary", "--", "cowsay"}, main.Command)
if assert.Len(t, main.VolumeMounts, 2) {
assert.Equal(t, "volume-name", main.VolumeMounts[0].Name)
assert.Equal(t, "var-run-argo", main.VolumeMounts[1].Name)
}
}
})
}
func TestVolumesPodSubstitution(t *testing.T) {
volumes := []apiv1.Volume{
{
Name: "volume-name",
VolumeSource: apiv1.VolumeSource{
PersistentVolumeClaim: &apiv1.PersistentVolumeClaimVolumeSource{
ClaimName: "{{inputs.parameters.volume-name}}",
},
},
},
}
volumeMounts := []apiv1.VolumeMount{
{
Name: "volume-name",
MountPath: "/test",
},
}
inputParameters := []wfv1.Parameter{
{
Name: "volume-name",
Value: wfv1.AnyStringPtr("test-name"),
},
}
ctx := context.Background()
woc := newWoc()
woc.volumes = volumes
woc.execWf.Spec.Templates[0].Container.VolumeMounts = volumeMounts
woc.execWf.Spec.Templates[0].Inputs.Parameters = inputParameters
woc.controller.Config.ContainerRuntimeExecutor = common.ContainerRuntimeExecutorDocker
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, 2, len(pod.Spec.Volumes))
assert.Equal(t, "volume-name", pod.Spec.Volumes[1].Name)
assert.Equal(t, "test-name", pod.Spec.Volumes[1].PersistentVolumeClaim.ClaimName)
assert.Equal(t, 1, len(pod.Spec.Containers[1].VolumeMounts))
assert.Equal(t, "volume-name", pod.Spec.Containers[1].VolumeMounts[0].Name)
}
func TestOutOfCluster(t *testing.T) {
verifyKubeConfigVolume := func(ctr apiv1.Container, volName, mountPath string) {
for _, vol := range ctr.VolumeMounts {
if vol.Name == volName && vol.MountPath == mountPath {
for _, arg := range ctr.Args {
if arg == fmt.Sprintf("--kubeconfig=%s", mountPath) {
return
}
}
}
}
t.Fatalf("%v does not have kubeconfig mounted properly (name: %s, mountPath: %s)", ctr, volName, mountPath)
}
// default mount path & volume name
{
ctx := context.Background()
woc := newWoc()
woc.controller.Config.KubeConfig = &config.KubeConfig{
SecretName: "foo",
SecretKey: "bar",
}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, "kubeconfig", pod.Spec.Volumes[0].Name)
assert.Equal(t, "foo", pod.Spec.Volumes[0].VolumeSource.Secret.SecretName)
waitCtr := pod.Spec.Containers[0]
verifyKubeConfigVolume(waitCtr, "kubeconfig", "/kube/config")
}
// custom mount path & volume name, in case name collision
{
ctx := context.Background()
woc := newWoc()
woc.controller.Config.KubeConfig = &config.KubeConfig{
SecretName: "foo",
SecretKey: "bar",
MountPath: "/some/path/config",
VolumeName: "kube-config-secret",
}
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, "kube-config-secret", pod.Spec.Volumes[0].Name)
assert.Equal(t, "foo", pod.Spec.Volumes[0].VolumeSource.Secret.SecretName)
// kubeconfig volume is the last one
waitCtr := pod.Spec.Containers[0]
verifyKubeConfigVolume(waitCtr, "kube-config-secret", "/some/path/config")
}
}
// TestPriority verifies the ability to carry forward priorityClassName and priority.
func TestPriority(t *testing.T) {
priority := int32(15)
ctx := context.Background()
woc := newWoc()
woc.execWf.Spec.Templates[0].PriorityClassName = "foo"
woc.execWf.Spec.Templates[0].Priority = &priority
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, pod.Spec.PriorityClassName, "foo")
assert.Equal(t, pod.Spec.Priority, &priority)
}
// TestSchedulerName verifies the ability to carry forward schedulerName.
func TestSchedulerName(t *testing.T) {
ctx := context.Background()
woc := newWoc()
woc.execWf.Spec.Templates[0].SchedulerName = "foo"
tmplCtx, err := woc.createTemplateContext(wfv1.ResourceScopeLocal, "")
assert.NoError(t, err)
_, err = woc.executeContainer(ctx, woc.execWf.Spec.Entrypoint, tmplCtx.GetTemplateScope(), &woc.execWf.Spec.Templates[0], &wfv1.WorkflowStep{}, &executeTemplateOpts{})
assert.NoError(t, err)
pods, err := listPods(woc)
assert.NoError(t, err)
assert.Len(t, pods.Items, 1)
pod := pods.Items[0]
assert.Equal(t, pod.Spec.SchedulerName, "foo")
}
// TestInitContainers verifies the ability to set up initContainers
func TestInitContainers(t *testing.T) {
volumes := []apiv1.Volume{
{
Name: "volume-name",
VolumeSource: apiv1.VolumeSource{
EmptyDir: &apiv1.EmptyDirVolumeSource{},
},
},
{
Name: "init-volume-name",
VolumeSource: apiv1.VolumeSource{
EmptyDir: &apiv1.EmptyDirVolumeSource{},
},
},
}
volumeMounts := []apiv1.VolumeMount{
{
Name: "volume-name",
MountPath: "/test",
},
}
initVolumeMounts := []apiv1.VolumeMount{
{
Name: "init-volume-name",
MountPath: "/init-test",
},
}
mirrorVolumeMounts := true
ctx := context.Background()
woc := newWoc()
woc.volumes = volumes
woc.execWf.Spec.Templates[0].Container.VolumeMounts = volumeMounts
woc.execWf.Spec.Templates[0].InitContainers = []wfv1.UserContainer{
{
MirrorVolumeMounts: &mirrorVolumeMounts,
Container: apiv1.Container{
Name: "init-foo",
VolumeMounts: initVolumeMounts,
},
},