Commit 1f21f242 authored by Mikhail Shevtsov's avatar Mikhail Shevtsov
Browse files

feat: add ability to specify command and args for the application

parent 1677049b

assets/auto-deploy-app/README.md

+2 −0
Original line number Diff line number Diff line
@@ -35,6 +35,8 @@ 
| application.secretName        | Pass in the name of a Secret which the deployment will [load all key-value pairs from the Secret as environment variables](https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/#configure-all-key-value-pairs-in-a-configmap-as-container-environment-variables) in the application container. | `nil` |

| application.secretChecksum    | Pass in the checksum of the secrets referenced by `application.secretName`. | `nil` |

| application.database_url      | If present, sets the `DATABASE_URL` environment variable. If postgres is enabled this will be autogenerated. | `nil` |

| application.command           | If present, overrides docker image `ENTRYPOINT`. Needs to be an array. | `nil` |

| application.args              | If present, overrides docker image `CMD`. Needs to be an array. | `nil` |

| hpa.enabled                   | If true, enables horizontal pod autoscaler. A resource request is also required to be set, such as `resources.requests.cpu: 200m`.| `false` |

| hpa.minReplicas               |             | `1`                                |

| hpa.maxReplicas               |             | `5`                                |

assets/auto-deploy-app/templates/deployment.yaml

+8 −0
Original line number Diff line number Diff line
@@ -80,6 +80,14 @@ spec: 
      - name: {{ .Chart.Name }}

        image: {{ template "imagename" . }}

        imagePullPolicy: {{ .Values.image.pullPolicy }}

{{- if .Values.application.command }}

        command:

{{ toYaml .Values.application.command | indent 8 }}

{{- end }}

{{- if .Values.application.args }}

        args:

{{ toYaml .Values.application.args | indent 8 }}

{{- end }}

        {{- if .Values.application.secretName }}

        envFrom:

        - secretRef:

assets/auto-deploy-app/test/templates/deployment_test.go

+53 −0
Original line number Diff line number Diff line
@@ -172,6 +172,59 @@ func TestDeploymentTemplate(t *testing.T) { 
		})

	}



	for _, tc := range []struct {

		CaseName        string

		Release         string

		Values          map[string]string

		ExpectedCommand []string

		ExpectedArgs    []string

	}{

		{

			CaseName: "application-command",

			Release:  "production",

			Values: map[string]string{

				"application.command[0]": "foo",

				"application.command[1]": "bar",

				"application.command[2]": "baz",

			},

			ExpectedCommand: []string{"foo", "bar", "baz"},

		},

		{

			CaseName: "application-args",

			Release:  "production",

			Values: map[string]string{

				"application.args[0]": "foo",

				"application.args[1]": "bar",

				"application.args[2]": "baz",

			},

			ExpectedArgs: []string{"foo", "bar", "baz"},

		},

	} {

		t.Run(tc.CaseName, func(t *testing.T) {

			namespaceName := "minimal-ruby-app-" + strings.ToLower(random.UniqueId())



			values := map[string]string{

				"gitlab.app": "auto-devops-examples/minimal-ruby-app",

				"gitlab.env": "prod",

			}



			mergeStringMap(values, tc.Values)



			options := &helm.Options{

				SetValues:      values,

				KubectlOptions: k8s.NewKubectlOptions("", "", namespaceName),

			}



			output := helm.RenderTemplate(t, options, helmChartPath, tc.Release, []string{"templates/deployment.yaml"})



			var deployment appsV1.Deployment

			helm.UnmarshalK8SYaml(t, output, &deployment)



			require.Equal(t, tc.ExpectedCommand, deployment.Spec.Template.Spec.Containers[0].Command)

			require.Equal(t, tc.ExpectedArgs, deployment.Spec.Template.Spec.Containers[0].Args)

		})

	}



	// serviceAccountName

	for _, tc := range []struct {

		CaseName                   string