feat: Add Terratest based testing for ArgoCD
This commit is contained in:
seanson@users.noreply.github.com
parent
39f08b4a29
commit
fc9bf48949
3 changed files with 405 additions and 2 deletions
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@ -6,6 +6,21 @@ jobs:
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steps:
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- checkout
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- run: ct lint --config .circleci/chart-testing.yaml --lint-conf .circleci/lintconf.yaml
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test:
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machine:
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image: ubuntu-1604:201903-01
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steps:
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- checkout
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- run: | # Required to drop files from repo into test image
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docker create -v /app/test --name test_sources alpine:3.4 /bin/true
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docker cp charts test_sources:/app/test
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docker run --name terratest --volumes-from test_sources seanson/terratest-helm-tester:latest
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docker cp terratest:/app/out ./test_results
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- store_artifacts:
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path: ./test_results
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- store_test_results:
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path: ./test_results
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# Technically this only needs to be run on master, but it's good to have it run on every PR
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# so that it is regularly tested.
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publish:
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@ -24,7 +39,7 @@ jobs:
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set -x
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if [ "$CIRCLE_BRANCH" = "master" ]; then
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export GIT_PUSH=true
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else
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else
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export GIT_PUSH=false
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fi
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sh ./scripts/publish.sh
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@ -33,6 +48,7 @@ workflows:
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workflow:
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jobs:
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- lint
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- test
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- publish:
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requires:
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- lint
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- lint
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@ -1,2 +1,3 @@
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*.tgz
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output
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test
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386
charts/argo-cd/test/helm_test.go
Normal file
386
charts/argo-cd/test/helm_test.go
Normal file
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@ -0,0 +1,386 @@
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package helm_test
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import (
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"path/filepath"
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"testing"
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. "github.com/smartystreets/goconvey/convey"
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"github.com/stretchr/testify/require"
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monitoringv1 "github.com/coreos/prometheus-operator/pkg/apis/monitoring/v1"
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certmanagerv1alpha2 "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1alpha2"
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appsv1 "k8s.io/api/apps/v1"
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v1 "k8s.io/api/core/v1"
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"github.com/gruntwork-io/terratest/modules/helm"
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"github.com/gruntwork-io/terratest/modules/k8s"
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)
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func TestApplicationControllerImageOverrides(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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options := &helm.Options{
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SetValues: map[string]string{
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"controller.image.repository": "custom/argocd",
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"controller.image.tag": "1.2.3",
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},
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, []string{"templates/argocd-application-controller/deployment.yaml"})
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var deployment appsv1.Deployment
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helm.UnmarshalK8SYaml(t, output, &deployment)
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expectedContainerImage := "custom/argocd:1.2.3"
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deploymentContainers := deployment.Spec.Template.Spec.Containers
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require.Equal(t, len(deploymentContainers), 1)
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require.Equal(t, deploymentContainers[0].Image, expectedContainerImage)
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}
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// https://github.com/argoproj/argo-helm/pull/171
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func TestApplicationCertConfig(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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options := &helm.Options{
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SetValues: map[string]string{
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"server.certificate.enabled": "true",
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"server.certificate.issuer.kind": "certKind",
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"server.certificate.issuer.name": "certName",
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},
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, []string{"templates/argocd-server/certificate.yaml"})
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var certificate certmanagerv1alpha2.Certificate
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helm.UnmarshalK8SYaml(t, output, &certificate)
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// Finally, we verify the deployment pod template spec is set to the expected container image value
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// expectedContainerImage := "custom/argocd:1.2.3"
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// deploymentContainers := deployment.Spec.Template.Spec.Containers
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require.Equal(t, certificate.Spec.IssuerRef.Kind, "certKind")
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require.Equal(t, certificate.Spec.IssuerRef.Name, "certName")
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// require.Equal(t, deploymentContainers[0].Image, expectedContainerImage)
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}
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func TestArgoCDConfigsSecret(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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options := &helm.Options{
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SetValues: map[string]string{
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"configs.secret.argocdServerTlsConfig.key": "testKey",
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"configs.secret.argocdServerTlsConfig.crt": "testCrt",
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"configs.secret.argocdServerAdminPassword": "testPassword",
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"configs.secret.githubSecret": "githubTest",
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"configs.secret.gitlabSecret": "gitlabTest",
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"configs.secret.bitbucketServerSecret": "bitbucketServerTest",
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"configs.secret.bitbucketUUID": "bitbucketUUIDTest",
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"configs.secret.gogsSecret": "gogsTest",
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},
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, []string{"templates/argocd-configs/argocd-secret.yaml"})
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var secret v1.Secret
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helm.UnmarshalK8SYaml(t, output, &secret)
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require.Equal(t, "testKey", string(secret.Data["tls.key"]))
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require.Equal(t, "testCrt", string(secret.Data["tls.crt"]))
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require.Equal(t, "testPassword", string(secret.Data["admin.password"]))
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require.Equal(t, "githubTest", string(secret.Data["webhook.github.secret"]))
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require.Equal(t, "gitlabTest", string(secret.Data["webhook.gitlab.secret"]))
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require.Equal(t, "bitbucketServerTest", string(secret.Data["webhook.bitbucketserver.secret"]))
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require.Equal(t, "bitbucketUUIDTest", string(secret.Data["webhook.bitbucket.uuid"]))
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require.Equal(t, "gogsTest", string(secret.Data["webhook.gogs.secret"]))
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}
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// https://github.com/argoproj/argo-helm/pull/180
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func TestArgoCDControllerServiceMonitors(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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tests := []struct {
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Name string
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DeploymentYAML []string
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SetValues map[string]string
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}{
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{
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Name: "Given application controller servicemonitor is enabled",
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DeploymentYAML: []string{"templates/argocd-application-controller/servicemonitor.yaml"},
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SetValues: map[string]string{
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"controller.metrics.enabled": "true",
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"controller.metrics.serviceMonitor.enabled": "true",
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},
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},
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{
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Name: "Given server servicemonitor is enabled",
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DeploymentYAML: []string{"templates/argocd-server/servicemonitor.yaml"},
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SetValues: map[string]string{
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"server.metrics.enabled": "true",
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"server.metrics.serviceMonitor.enabled": "true",
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},
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},
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{
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Name: "Given reposerver servicemonitor is enabled",
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DeploymentYAML: []string{"templates/argocd-repo-server/servicemonitor.yaml"},
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SetValues: map[string]string{
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"repoServer.metrics.enabled": "true",
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"repoServer.metrics.serviceMonitor.enabled": "true",
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},
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},
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}
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var servicemonitor monitoringv1.ServiceMonitor
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for _, test := range tests {
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options := &helm.Options{
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SetValues: test.SetValues,
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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Convey(test.Name, t, func() {
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, test.DeploymentYAML)
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helm.UnmarshalK8SYaml(t, output, &servicemonitor)
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endpoints := servicemonitor.Spec.Endpoints
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So(len(endpoints), ShouldEqual, 1)
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So(endpoints[0].Path, ShouldEqual, "/metrics")
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})
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}
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}
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// https://github.com/argoproj/argo-helm/pull/181
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func TestArgoCDEnvironmentConfig(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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tests := []struct {
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Name string
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DeploymentYAML []string
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SetValues map[string]string
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}{
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{
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Name: "Given an application controller environment variable",
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DeploymentYAML: []string{"templates/argocd-application-controller/deployment.yaml"},
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SetValues: map[string]string{
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"controller.env[0].name": "TEST_ENV",
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"controller.env[0].value": "TEST_VALUE",
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},
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},
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{
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Name: "Given a server environment variable",
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DeploymentYAML: []string{"templates/argocd-server/deployment.yaml"},
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SetValues: map[string]string{
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"server.env[0].name": "TEST_ENV",
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"server.env[0].value": "TEST_VALUE",
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},
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},
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{
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Name: "Given a repo-server environment variable",
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DeploymentYAML: []string{"templates/argocd-repo-server/deployment.yaml"},
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SetValues: map[string]string{
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"repoServer.env[0].name": "TEST_ENV",
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"repoServer.env[0].value": "TEST_VALUE",
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},
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},
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}
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var deployment appsv1.Deployment
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for _, test := range tests {
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options := &helm.Options{
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SetValues: test.SetValues,
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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Convey(test.Name, t, func() {
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, test.DeploymentYAML)
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helm.UnmarshalK8SYaml(t, output, &deployment)
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deploymentContainers := deployment.Spec.Template.Spec.Containers
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So(len(deploymentContainers), ShouldEqual, 1)
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So(len(deploymentContainers[0].Env), ShouldEqual, 1)
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So(deploymentContainers[0].Env[0].Name, ShouldEqual, "TEST_ENV")
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So(deploymentContainers[0].Env[0].Value, ShouldEqual, "TEST_VALUE")
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})
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}
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}
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// https://github.com/argoproj/argo-helm/pull/177
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func TestArgoCDRepoServerCustomTools(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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tests := []struct {
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Name string
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DeploymentYAML []string
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SetValues map[string]string
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SetStrValues map[string]string
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}{
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{
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Name: "Given a repo-server initContainer",
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DeploymentYAML: []string{"templates/argocd-repo-server/deployment.yaml"},
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SetValues: map[string]string{
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"repoServer.volumes[0].name": "custom-tools",
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"repoServer.initContainers[0].name": "download-tools",
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"repoServer.initContainers[0].image": "alpine:3.8",
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"repoServer.initContainers[0].volumeMounts[0].mountPath": "/usr/local/bin/helm",
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"repoServer.initContainers[0].volumeMounts[0].name": "custom-tools",
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"repoServer.volumeMounts[0].name": "custom-tools",
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"repoServer.volumeMounts[0].mountPath": "/usr/local/bin/helm",
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"repoServer.volumeMounts[0].subPath": "helm",
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},
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SetStrValues: map[string]string{
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"repoServer.volumes[0].emptyDir": "{}",
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},
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},
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}
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var deployment appsv1.Deployment
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for _, test := range tests {
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options := &helm.Options{
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SetValues: test.SetValues,
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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Convey(test.Name, t, func() {
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, test.DeploymentYAML)
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helm.UnmarshalK8SYaml(t, output, &deployment)
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initContainers := deployment.Spec.Template.Spec.InitContainers
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So(len(deployment.Spec.Template.Spec.Volumes), ShouldEqual, 2)
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So(deployment.Spec.Template.Spec.Volumes[0].Name, ShouldEqual, "custom-tools")
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So(deployment.Spec.Template.Spec.Volumes[0].EmptyDir, ShouldEqual, nil)
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So(len(deployment.Spec.Template.Spec.Containers[0].VolumeMounts), ShouldEqual, 2)
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So(deployment.Spec.Template.Spec.Containers[0].VolumeMounts[0].Name, ShouldEqual, "custom-tools")
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So(deployment.Spec.Template.Spec.Containers[0].VolumeMounts[0].MountPath, ShouldEqual, "/usr/local/bin/helm")
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So(deployment.Spec.Template.Spec.Containers[0].VolumeMounts[0].SubPath, ShouldEqual, "helm")
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So(len(initContainers), ShouldEqual, 1)
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So(len(initContainers[0].VolumeMounts), ShouldEqual, 1)
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So(initContainers[0].Name, ShouldEqual, "download-tools")
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So(initContainers[0].Image, ShouldEqual, "alpine:3.8")
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So(initContainers[0].VolumeMounts[0].Name, ShouldEqual, "custom-tools")
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So(initContainers[0].VolumeMounts[0].MountPath, ShouldEqual, "/usr/local/bin/helm")
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})
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}
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}
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// https://github.com/argoproj/argo-helm/pull/178
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func TestArgoCDControllerPrometheusRules(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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tests := []struct {
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Name string
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DeploymentYAML []string
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SetValues map[string]string
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}{
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{
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Name: "Given application controller rules are enabled",
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DeploymentYAML: []string{"templates/argocd-application-controller/prometheusrule.yaml"},
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SetValues: map[string]string{
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"controller.metrics.enabled": "true",
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"controller.metrics.rules.enabled": "true",
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"controller.metrics.rules.spec[0].alert": "TestAlert",
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"controller.metrics.rules.spec[0].expr": "absent(argocd_app_info)",
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"controller.metrics.rules.spec[0].for": "15m",
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"controller.metrics.rules.spec[0].labels.severity": "critical",
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"controller.metrics.rules.spec[0].annotations.summary": "Test summary",
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"controller.metrics.rules.spec[0].annotations.description": "Test description",
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},
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},
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}
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var servicemonitor monitoringv1.PrometheusRule
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for _, test := range tests {
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options := &helm.Options{
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SetValues: test.SetValues,
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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Convey(test.Name, t, func() {
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output := helm.RenderTemplate(t, options, helmChartPath, releaseName, test.DeploymentYAML)
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helm.UnmarshalK8SYaml(t, output, &servicemonitor)
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So(len(servicemonitor.Spec.Groups), ShouldEqual, 1)
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rules := servicemonitor.Spec.Groups[0].Rules
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So(len(rules), ShouldEqual, 1)
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So(rules[0].Alert, ShouldEqual, "TestAlert")
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// Requires StrVal as Expr is type IntOrStr
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So(rules[0].Expr.StrVal, ShouldEqual, "absent(argocd_app_info)")
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So(rules[0].For, ShouldEqual, "15m")
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So(rules[0].Labels["severity"], ShouldEqual, "critical")
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So(rules[0].Annotations["summary"], ShouldEqual, "Test summary")
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So(rules[0].Annotations["description"], ShouldEqual, "Test description")
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})
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}
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}
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// https://github.com/argoproj/argo-helm/pull/185
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func TestArgoCDSecurityContext(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs("../")
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releaseName := "argo-cd"
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require.NoError(t, err)
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tests := []struct {
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Name string
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DeploymentYAML []string
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SetValues map[string]string
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SetStrValues map[string]string
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}{
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{
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Name: "Given a global securityContext and an application controller deployment",
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DeploymentYAML: []string{"templates/argocd-application-controller/deployment.yaml"},
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SetValues: map[string]string{
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"global.securityContext.runAsUser": "999",
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},
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},
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{
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Name: "Given a global securityContext and a reposerver deployment",
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DeploymentYAML: []string{"templates/argocd-repo-server/deployment.yaml"},
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SetValues: map[string]string{
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"global.securityContext.runAsUser": "999",
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},
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},
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{
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Name: "Given a global securityContext and a server deployment",
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DeploymentYAML: []string{"templates/argocd-server/deployment.yaml"},
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SetValues: map[string]string{
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"global.securityContext.runAsUser": "999",
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},
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},
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{
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Name: "Given a global securityContext and a redis deployment",
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DeploymentYAML: []string{"templates/redis/deployment.yaml"},
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SetValues: map[string]string{
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"global.securityContext.runAsUser": "999",
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},
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},
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}
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var deployment appsv1.Deployment
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for _, test := range tests {
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options := &helm.Options{
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SetValues: test.SetValues,
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KubectlOptions: k8s.NewKubectlOptions("", "", "default"),
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}
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Convey(test.Name, t, func() {
|
||||
output := helm.RenderTemplate(t, options, helmChartPath, releaseName, test.DeploymentYAML)
|
||||
helm.UnmarshalK8SYaml(t, output, &deployment)
|
||||
|
||||
So(*deployment.Spec.Template.Spec.SecurityContext.RunAsUser, ShouldEqual, 999)
|
||||
})
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue