Merge pull request #1852 from sosan/feature-1794-auto-configmaps

add configmaps derived from file and dir

pkg/transformer/kubernetes/k8sutils.go

@@ -1173,3 +1173,81 @@ func getHpaMetricSpec(hpaValues HpaValues) []hpa.MetricSpec {
 	}
 	return metrics
 }
+
+// isConfigFile checks if the given filePath should be used as a configMap
+// if dir is not empty, withindir are treated as cofigmaps
+// if it's configMap, mount readonly as default
+func isConfigFile(filePath string) (useConfigMap bool, readonly bool, skip bool) {
+	if filePath == "" || strings.HasSuffix(filePath, ".sock") {
+		skip = true
+		return
+	}
+
+	fi, err := os.Stat(filePath)
+	if err != nil {
+		log.Warnf("File don't exist or failed to check if the directory is empty: %v", err)
+		// dir/file not exist
+		// here not assigned skip to true,
+		// maybe dont want to skip
+		return
+	}
+
+	if !fi.Mode().IsRegular() { // is dir
+		isDirEmpty, err := checkIsEmptyDir(filePath)
+		if err != nil {
+			log.Warnf("Failed to check if the directory is empty: %v", err)
+			skip = true
+			return
+		}
+
+		if isDirEmpty {
+			return
+		}
+	}
+	return true, true, skip
+}
+
+// checkIsEmptyDir checks if filepath is empty
+func checkIsEmptyDir(filePath string) (bool, error) {
+	files, err := os.ReadDir(filePath)
+	if err != nil {
+		return false, err
+	}
+	if len(files) == 0 {
+		return true, err
+	}
+	for _, file := range files {
+		if !file.IsDir() {
+			return false, nil
+		}
+		_, err := checkIsEmptyDir(file.Name())
+		if err != nil {
+			return false, err
+		}
+	}
+	return true, nil
+}
+
+// setVolumeAccessMode sets the access mode for a volume based on the mode string
+// current types:
+// ReadOnly RO and ReadOnlyMany ROX can be mounted in read-only mode to many hosts
+// ReadWriteMany RWX can be mounted in read/write mode to many hosts
+// ReadWriteOncePod RWOP can be mounted in read/write mode to exactly 1 pod
+// ReadWriteOnce RWO can be mounted in read/write mode to exactly 1 host
+// https://kubernetes.io/docs/concepts/storage/persistent-volumes/#access-modes
+func setVolumeAccessMode(mode string, volumeAccesMode []api.PersistentVolumeAccessMode) []api.PersistentVolumeAccessMode {
+	switch mode {
+	case "ro", "rox":
+		volumeAccesMode = []api.PersistentVolumeAccessMode{api.ReadOnlyMany}
+	case "rwx":
+		volumeAccesMode = []api.PersistentVolumeAccessMode{api.ReadWriteMany}
+	case "rwop":
+		volumeAccesMode = []api.PersistentVolumeAccessMode{api.ReadWriteOncePod}
+	case "rwo":
+		volumeAccesMode = []api.PersistentVolumeAccessMode{api.ReadWriteOnce}
+	default:
+		volumeAccesMode = []api.PersistentVolumeAccessMode{api.ReadWriteOnce}
+	}
+
+	return volumeAccesMode
+}

pkg/transformer/kubernetes/k8sutils_test.go

@@ -2222,3 +2222,221 @@ func Test_createHPAResources(t *testing.T) {
 		})
 	}
 }
+
+func Test_setVolumeAccessMode(t *testing.T) {
+	type args struct {
+		mode            string
+		volumeAccesMode []api.PersistentVolumeAccessMode
+	}
+	tests := []struct {
+		name string
+		args args
+		want []api.PersistentVolumeAccessMode
+	}{
+		{
+			name: "readonly",
+			args: args{
+				mode:            "ro",
+				volumeAccesMode: []api.PersistentVolumeAccessMode{},
+			},
+			want: []api.PersistentVolumeAccessMode{api.ReadOnlyMany},
+		},
+		{
+			name: "not acceptable",
+			args: args{
+				mode:            "wrong",
+				volumeAccesMode: []api.PersistentVolumeAccessMode{},
+			},
+			want: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
+		},
+		{
+			name: "readonly many",
+			args: args{
+				mode:            "rox",
+				volumeAccesMode: []api.PersistentVolumeAccessMode{},
+			},
+			want: []api.PersistentVolumeAccessMode{api.ReadOnlyMany},
+		},
+		{
+			name: "readwrite many",
+			args: args{
+				mode:            "rwx",
+				volumeAccesMode: []api.PersistentVolumeAccessMode{},
+			},
+			want: []api.PersistentVolumeAccessMode{api.ReadWriteMany},
+		},
+		{
+			name: "readwrite once in pod",
+			args: args{
+				mode:            "rwop",
+				volumeAccesMode: []api.PersistentVolumeAccessMode{},
+			},
+			want: []api.PersistentVolumeAccessMode{api.ReadWriteOncePod},
+		},
+		{
+			name: "readwrite once",
+			args: args{
+				mode:            "rwo",
+				volumeAccesMode: []api.PersistentVolumeAccessMode{},
+			},
+			want: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := setVolumeAccessMode(tt.args.mode, tt.args.volumeAccesMode); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("setVolumeAccessMode() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_isConfigFile(t *testing.T) {
+	type args struct {
+		filePath string
+	}
+	tests := []struct {
+		name             string
+		args             args
+		wantUseConfigMap bool
+		wantReadonly     bool
+		wantSkip         bool
+	}{
+		{
+			name: "dir not empty",
+			args: args{
+				filePath: "../../../script/test/fixtures/configmap-file-configs/certs",
+			},
+			wantUseConfigMap: true,
+			wantReadonly:     true,
+			wantSkip:         false,
+		},
+		{
+			name: "sock",
+			args: args{
+				filePath: "./docker.sock",
+			},
+			wantUseConfigMap: false,
+			wantReadonly:     false,
+			wantSkip:         true,
+		},
+		{
+			name: "cannot resolve filepath",
+			args: args{
+				filePath: "./certs/cert1.pem",
+			},
+			wantUseConfigMap: false,
+			wantReadonly:     false,
+			wantSkip:         false,
+		},
+		{
+			name: "file cert",
+			args: args{
+				filePath: "../../../script/test/fixtures/configmap-file-configs/certs/cert1.pem",
+			},
+			wantUseConfigMap: true,
+			wantReadonly:     true,
+			wantSkip:         false,
+		},
+		{
+			name: "docker sock",
+			args: args{
+				filePath: "/var/run/docker.sock",
+			},
+			wantUseConfigMap: false,
+			wantReadonly:     false,
+			wantSkip:         true,
+		},
+		{
+			name: "dir sys",
+			args: args{
+				filePath: "/sys",
+			},
+			wantUseConfigMap: false,
+			wantReadonly:     false,
+			wantSkip:         true,
+		},
+		{
+			name: "dir root",
+			args: args{
+				filePath: "/root",
+			},
+			wantUseConfigMap: false,
+			wantReadonly:     false,
+			wantSkip:         true,
+		},
+		{
+			name: "docker var lib",
+			args: args{
+				filePath: "/var/lib/docker",
+			},
+			wantUseConfigMap: false,
+			wantReadonly:     false,
+			wantSkip:         true,
+		},
+		{
+			name: "file from 3 levels",
+			args: args{
+				filePath: "../../../script/test/fixtures/configmap-file-configs/certs-level1/certs-level2/certs-level3/cert2.pem",
+			},
+			wantUseConfigMap: true,
+			wantReadonly:     true,
+			wantSkip:         false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotUseConfigMap, gotReadonly, gotSkip := isConfigFile(tt.args.filePath)
+			if gotUseConfigMap != tt.wantUseConfigMap {
+				t.Errorf("isConfigFile() gotUseConfigMap = %v, want %v", gotUseConfigMap, tt.wantUseConfigMap)
+			}
+			if gotReadonly != tt.wantReadonly {
+				t.Errorf("isConfigFile() gotReadonly = %v, want %v", gotReadonly, tt.wantReadonly)
+			}
+			if gotSkip != tt.wantSkip {
+				t.Errorf("isConfigFile() gotSkip = %v, want %v", gotSkip, tt.wantSkip)
+			}
+		})
+	}
+}
+
+func Test_checkIsEmptyDir(t *testing.T) {
+	type args struct {
+		filePath string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    bool
+		wantErr bool
+	}{
+		{
+			name: "dir not found",
+			args: args{
+				filePath: "../../../script/test/fixtures/configmap-file-configs/notfound",
+			},
+			want:    false,
+			wantErr: true,
+		},
+		{
+			name: "dir not empty",
+			args: args{
+				filePath: "../../../script/test/fixtures/configmap-file-configs/certs",
+			},
+			want:    false,
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := checkIsEmptyDir(tt.args.filePath)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("checkIsEmptyDir() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("checkIsEmptyDir() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

pkg/transformer/kubernetes/kubernetes.go

@@ -635,11 +635,7 @@ func (k *Kubernetes) CreatePVC(name string, mode string, size string, selectorVa
 		}
 	}
 
-	if mode == "ro" {
-		pvc.Spec.AccessModes = []api.PersistentVolumeAccessMode{api.ReadOnlyMany}
-	} else {
-		pvc.Spec.AccessModes = []api.PersistentVolumeAccessMode{api.ReadWriteOnce}
-	}
+	pvc.Spec.AccessModes = setVolumeAccessMode(mode, pvc.Spec.AccessModes)
 
 	if len(storageClassName) > 0 {
 		pvc.Spec.StorageClassName = &storageClassName
@@ -955,10 +951,22 @@ func (k *Kubernetes) ConfigVolumes(name string, service kobject.ServiceConfig) (
 	volumes = append(volumes, secretsVolumes...)
 
 	var count int
+	skip := false
 	//iterating over array of `Vols` struct as it contains all necessary information about volumes
 	for _, volume := range service.Volumes {
 		// check if ro/rw mode is defined, default rw
-		readonly := len(volume.Mode) > 0 && volume.Mode == "ro"
+		readonly := len(volume.Mode) > 0 && (volume.Mode == "ro" || volume.Mode == "rox")
+		mountHost := volume.Host
+		if mountHost == "" {
+			mountHost = volume.MountPath
+		}
+		// return useconfigmap and readonly,
+		// not used asigned readonly because dont break e2e
+		useConfigMap, _, skip = isConfigFile(mountHost)
+		if skip {
+			log.Warnf("Skip file in path %s ", volume.Host)
+			continue
+		}
 		if volume.VolumeName == "" {
 			if useEmptyVolumes {
 				volumeName = strings.Replace(volume.PVCName, "claim", "empty", 1)

pkg/transformer/kubernetes/kubernetes_test.go

@@ -757,7 +757,7 @@ func TestMultipleContainersInPod(t *testing.T) {
 		config.Volumes = []kobject.Volumes{
 			{
 				VolumeName: "mountVolume",
-				MountPath:  "/data",
+				MountPath:  "/data-dir",
 			},
 		}
 		return config

script/test/cmd/tests_new.sh

@@ -349,3 +349,27 @@ convert::expect_success_and_warning "$k8s_cmd" "$k8s_output" || exit 1
 k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/hpa/compose.yaml convert --stdout --with-kompose-annotation=false"
 k8s_output="$KOMPOSE_ROOT/script/test/fixtures/hpa/output-k8s.yaml"
 convert::expect_success "$k8s_cmd" "$k8s_output" || exit 1
+
+#Test auto configmaps from files/dir
+k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/compose-1.yaml convert --stdout --with-kompose-annotation=false"
+k8s_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/output-k8s-1.yaml"
+os_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/compose-1.yaml convert --provider openshift --stdout --with-kompose-annotation=false"
+os_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/output-os-1.yaml"
+convert::expect_success "$k8s_cmd" "$k8s_output" || exit 1
+convert::expect_success "$os_cmd" "$os_output" || exit 1
+
+#Test auto configmaps from files/dir
+k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/compose-2.yaml convert --stdout --with-kompose-annotation=false"
+k8s_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/output-k8s-2.yaml"
+os_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/compose-2.yaml convert --provider openshift --stdout --with-kompose-annotation=false"
+os_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/output-os-2.yaml"
+convert::expect_success "$k8s_cmd" "$k8s_output" || exit 1
+convert::expect_success "$os_cmd" "$os_output" || exit 1
+
+#Test auto configmaps from files/dir
+k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/compose-3.yaml convert --stdout --with-kompose-annotation=false"
+k8s_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/output-k8s-3.yaml"
+os_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/compose-3.yaml convert --provider openshift --stdout --with-kompose-annotation=false"
+os_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-file-configs/output-os-3.yaml"
+convert::expect_success "$k8s_cmd" "$k8s_output" || exit 1
+convert::expect_success "$os_cmd" "$os_output" || exit 1

script/test/fixtures/configmap-file-configs/auth.txt

@@ -0,0 +1 @@
+content from file auth.txt

script/test/fixtures/configmap-file-configs/certs-level1/certs-level2/certs-level3/cert2.pem

@@ -0,0 +1 @@
+content from file cert2.pem

script/test/fixtures/configmap-file-configs/certs/cert1.pem

@@ -0,0 +1 @@
+content of file cert1.pem

script/test/fixtures/configmap-file-configs/compose-1.yaml

@@ -0,0 +1,16 @@
+services:
+  busy:
+    image: busybox
+    ports:
+      - "8081:8080"
+      - "8026:8025"
+    volumes:
+      - ./certs:/certs
+      - ./auth.txt:/auth.txt
+      - ./users.php:/users.php:ro
+    command:
+      [
+        "/bin/sh", 
+        "-c", 
+        "cat /auth.txt /users.php /certs/cert1.pem"
+      ]

script/test/fixtures/configmap-file-configs/compose-2.yaml

@@ -0,0 +1,17 @@
+services:
+  busy:
+    image: busybox
+    ports:
+      - "8081:8080"
+      - "8026:8025"
+    volumes:
+      - ./certs:/certs
+      - ./certs-level1/certs-level2/certs-level3/cert2.pem:/certs/cert2.pem
+      - ./auth.txt:/auth.txt
+      - ./users.php:/users.php:ro
+    command:
+      [
+        "/bin/sh", 
+        "-c", 
+        "cat /auth.txt /users.php /certs/cert1.pem /certs/cert2.pem"
+      ]

script/test/fixtures/configmap-file-configs/compose-3.yaml

@@ -0,0 +1,10 @@
+services:
+  busy:
+    image: busybox
+    ports:
+      - "8081:8080"
+      - "8026:8025"
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+      - /sys:/sys:ro
+      - /var/lib/docker/:/var/lib/docker:ro

script/test/fixtures/configmap-file-configs/output-k8s-1.yaml

@@ -0,0 +1,116 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  ports:
+    - name: "8081"
+      port: 8081
+      targetPort: 8080
+    - name: "8026"
+      port: 8026
+      targetPort: 8025
+  selector:
+    io.kompose.service: busy
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      io.kompose.service: busy
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        io.kompose.network/configmap-file-configs-default: "true"
+        io.kompose.service: busy
+    spec:
+      containers:
+        - args:
+            - /bin/sh
+            - -c
+            - cat /auth.txt /users.php /certs/cert1.pem
+          image: busybox
+          name: busy
+          ports:
+            - containerPort: 8080
+              hostPort: 8081
+              protocol: TCP
+            - containerPort: 8025
+              hostPort: 8026
+              protocol: TCP
+          volumeMounts:
+            - mountPath: /certs
+              name: busy-cm0
+            - mountPath: /auth.txt
+              name: busy-cm1
+              subPath: auth.txt
+            - mountPath: /users.php
+              name: busy-cm2
+              subPath: users.php
+              readOnly: true
+      restartPolicy: Always
+      volumes:
+        - configMap:
+            name: busy-cm0
+          name: busy-cm0
+        - configMap:
+            items:
+              - key: auth.txt
+                path: auth.txt
+            name: busy-cm1
+          name: busy-cm1
+        - configMap:
+            items:
+              - key: users.php
+                path: users.php
+            name: busy-cm2
+          name: busy-cm2
+
+---
+apiVersion: v1
+data:
+  cert1.pem: |
+    content of file cert1.pem
+kind: ConfigMap
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy-cm0
+
+---
+apiVersion: v1
+data:
+  auth.txt: |
+    content from file auth.txt
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm1
+
+---
+apiVersion: v1
+data:
+  users.php: |
+    content from file users.php
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm2

script/test/fixtures/configmap-file-configs/output-k8s-2.yaml

@@ -0,0 +1,137 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  ports:
+    - name: "8081"
+      port: 8081
+      targetPort: 8080
+    - name: "8026"
+      port: 8026
+      targetPort: 8025
+  selector:
+    io.kompose.service: busy
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      io.kompose.service: busy
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        io.kompose.network/configmap-file-configs-default: "true"
+        io.kompose.service: busy
+    spec:
+      containers:
+        - args:
+            - /bin/sh
+            - -c
+            - cat /auth.txt /users.php /certs/cert1.pem /certs/cert2.pem
+          image: busybox
+          name: busy
+          ports:
+            - containerPort: 8080
+              hostPort: 8081
+              protocol: TCP
+            - containerPort: 8025
+              hostPort: 8026
+              protocol: TCP
+          volumeMounts:
+            - mountPath: /certs
+              name: busy-cm0
+            - mountPath: /certs/cert2.pem
+              name: busy-cm1
+              subPath: cert2.pem
+            - mountPath: /auth.txt
+              name: busy-cm2
+              subPath: auth.txt
+            - mountPath: /users.php
+              name: busy-cm3
+              readOnly: true
+              subPath: users.php
+      restartPolicy: Always
+      volumes:
+        - configMap:
+            name: busy-cm0
+          name: busy-cm0
+        - configMap:
+            items:
+              - key: cert2.pem
+                path: cert2.pem
+            name: busy-cm1
+          name: busy-cm1
+        - configMap:
+            items:
+              - key: auth.txt
+                path: auth.txt
+            name: busy-cm2
+          name: busy-cm2
+        - configMap:
+            items:
+              - key: users.php
+                path: users.php
+            name: busy-cm3
+          name: busy-cm3
+
+---
+apiVersion: v1
+data:
+  cert1.pem: |
+    content of file cert1.pem
+kind: ConfigMap
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy-cm0
+
+---
+apiVersion: v1
+data:
+  cert2.pem: content from file cert2.pem
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm1
+
+---
+apiVersion: v1
+data:
+  auth.txt: |
+    content from file auth.txt
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm2
+
+---
+apiVersion: v1
+data:
+  users.php: |
+    content from file users.php
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm3

script/test/fixtures/configmap-file-configs/output-k8s-3.yaml

@@ -0,0 +1,49 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  ports:
+    - name: "8081"
+      port: 8081
+      targetPort: 8080
+    - name: "8026"
+      port: 8026
+      targetPort: 8025
+  selector:
+    io.kompose.service: busy
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      io.kompose.service: busy
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        io.kompose.network/configmap-file-configs-default: "true"
+        io.kompose.service: busy
+    spec:
+      containers:
+        - image: busybox
+          name: busy
+          ports:
+            - containerPort: 8080
+              hostPort: 8081
+              protocol: TCP
+            - containerPort: 8025
+              hostPort: 8026
+              protocol: TCP
+      restartPolicy: Always

script/test/fixtures/configmap-file-configs/output-os-1.yaml

@@ -0,0 +1,144 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  ports:
+    - name: "8081"
+      port: 8081
+      targetPort: 8080
+    - name: "8026"
+      port: 8026
+      targetPort: 8025
+  selector:
+    io.kompose.service: busy
+
+---
+apiVersion: apps.openshift.io/v1
+kind: DeploymentConfig
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  replicas: 1
+  selector:
+    io.kompose.service: busy
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        io.kompose.network/configmap-file-configs-default: "true"
+        io.kompose.service: busy
+    spec:
+      containers:
+        - args:
+            - /bin/sh
+            - -c
+            - cat /auth.txt /users.php /certs/cert1.pem
+          image: ' '
+          name: busy
+          ports:
+            - containerPort: 8080
+              hostPort: 8081
+              protocol: TCP
+            - containerPort: 8025
+              hostPort: 8026
+              protocol: TCP
+          volumeMounts:
+            - mountPath: /certs
+              name: busy-cm0
+            - mountPath: /auth.txt
+              name: busy-cm1
+              subPath: auth.txt
+            - mountPath: /users.php
+              name: busy-cm2
+              readOnly: true
+              subPath: users.php
+      restartPolicy: Always
+      volumes:
+        - configMap:
+            name: busy-cm0
+          name: busy-cm0
+        - configMap:
+            items:
+              - key: auth.txt
+                path: auth.txt
+            name: busy-cm1
+          name: busy-cm1
+        - configMap:
+            items:
+              - key: users.php
+                path: users.php
+            name: busy-cm2
+          name: busy-cm2
+  test: false
+  triggers:
+    - type: ConfigChange
+    - imageChangeParams:
+        automatic: true
+        containerNames:
+          - busy
+        from:
+          kind: ImageStreamTag
+          name: busy:latest
+      type: ImageChange
+
+---
+apiVersion: image.openshift.io/v1
+kind: ImageStream
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  lookupPolicy:
+    local: false
+  tags:
+    - from:
+        kind: DockerImage
+        name: busybox
+      name: latest
+      referencePolicy:
+        type: ""
+
+---
+apiVersion: v1
+data:
+  cert1.pem: |
+    content of file cert1.pem
+kind: ConfigMap
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy-cm0
+
+---
+apiVersion: v1
+data:
+  auth.txt: |
+    content from file auth.txt
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm1
+
+---
+apiVersion: v1
+data:
+  users.php: |
+    content from file users.php
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm2

script/test/fixtures/configmap-file-configs/output-os-2.yaml

@@ -0,0 +1,165 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  ports:
+    - name: "8081"
+      port: 8081
+      targetPort: 8080
+    - name: "8026"
+      port: 8026
+      targetPort: 8025
+  selector:
+    io.kompose.service: busy
+
+---
+apiVersion: apps.openshift.io/v1
+kind: DeploymentConfig
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  replicas: 1
+  selector:
+    io.kompose.service: busy
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        io.kompose.network/configmap-file-configs-default: "true"
+        io.kompose.service: busy
+    spec:
+      containers:
+        - args:
+            - /bin/sh
+            - -c
+            - cat /auth.txt /users.php /certs/cert1.pem /certs/cert2.pem
+          image: ' '
+          name: busy
+          ports:
+            - containerPort: 8080
+              hostPort: 8081
+              protocol: TCP
+            - containerPort: 8025
+              hostPort: 8026
+              protocol: TCP
+          volumeMounts:
+            - mountPath: /certs
+              name: busy-cm0
+            - mountPath: /certs/cert2.pem
+              name: busy-cm1
+              subPath: cert2.pem
+            - mountPath: /auth.txt
+              name: busy-cm2
+              subPath: auth.txt
+            - mountPath: /users.php
+              name: busy-cm3
+              readOnly: true
+              subPath: users.php
+      restartPolicy: Always
+      volumes:
+        - configMap:
+            name: busy-cm0
+          name: busy-cm0
+        - configMap:
+            items:
+              - key: cert2.pem
+                path: cert2.pem
+            name: busy-cm1
+          name: busy-cm1
+        - configMap:
+            items:
+              - key: auth.txt
+                path: auth.txt
+            name: busy-cm2
+          name: busy-cm2
+        - configMap:
+            items:
+              - key: users.php
+                path: users.php
+            name: busy-cm3
+          name: busy-cm3
+  test: false
+  triggers:
+    - type: ConfigChange
+    - imageChangeParams:
+        automatic: true
+        containerNames:
+          - busy
+        from:
+          kind: ImageStreamTag
+          name: busy:latest
+      type: ImageChange
+
+---
+apiVersion: image.openshift.io/v1
+kind: ImageStream
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  lookupPolicy:
+    local: false
+  tags:
+    - from:
+        kind: DockerImage
+        name: busybox
+      name: latest
+      referencePolicy:
+        type: ""
+
+---
+apiVersion: v1
+data:
+  cert1.pem: |
+    content of file cert1.pem
+kind: ConfigMap
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy-cm0
+
+---
+apiVersion: v1
+data:
+  cert2.pem: content from file cert2.pem
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm1
+
+---
+apiVersion: v1
+data:
+  auth.txt: |
+    content from file auth.txt
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm2
+
+---
+apiVersion: v1
+data:
+  users.php: |
+    content from file users.php
+kind: ConfigMap
+metadata:
+  annotations:
+    use-subpath: "true"
+  labels:
+    io.kompose.service: busy
+  name: busy-cm3

script/test/fixtures/configmap-file-configs/output-os-3.yaml

@@ -0,0 +1,77 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  ports:
+    - name: "8081"
+      port: 8081
+      targetPort: 8080
+    - name: "8026"
+      port: 8026
+      targetPort: 8025
+  selector:
+    io.kompose.service: busy
+
+---
+apiVersion: apps.openshift.io/v1
+kind: DeploymentConfig
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  replicas: 1
+  selector:
+    io.kompose.service: busy
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        io.kompose.network/configmap-file-configs-default: "true"
+        io.kompose.service: busy
+    spec:
+      containers:
+        - image: ' '
+          name: busy
+          ports:
+            - containerPort: 8080
+              hostPort: 8081
+              protocol: TCP
+            - containerPort: 8025
+              hostPort: 8026
+              protocol: TCP
+      restartPolicy: Always
+  test: false
+  triggers:
+    - type: ConfigChange
+    - imageChangeParams:
+        automatic: true
+        containerNames:
+          - busy
+        from:
+          kind: ImageStreamTag
+          name: busy:latest
+      type: ImageChange
+
+---
+apiVersion: image.openshift.io/v1
+kind: ImageStream
+metadata:
+  labels:
+    io.kompose.service: busy
+  name: busy
+spec:
+  lookupPolicy:
+    local: false
+  tags:
+    - from:
+        kind: DockerImage
+        name: busybox
+      name: latest
+      referencePolicy:
+        type: ""

script/test/fixtures/configmap-file-configs/users.php

@@ -0,0 +1 @@
+content from file users.php