[MSB] Make consul run as non-root

Start whole consul container as non-root and ensure that both
dumb-init and consul are able to start and run as non-root.

Issue-ID: REQ-362
Change-Id: If5a737953122cc6cd22b8d43ac603b40f4b22727
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>

2 files changed, 44 insertions, 0 deletions

diff --git a/kubernetes/msb/charts/msb-consul/templates/configmap.yaml b/kubernetes/msb/charts/msb-consul/templates/configmap.yaml
new file mode 100644
index 0000000000..32adcaec5f
--- /dev/null
+++ b/kubernetes/msb/charts/msb-consul/templates/configmap.yaml
@@ -0,0 +1,27 @@
+{{/*
+# Copyright © 2020 Samsung Electronics
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "common.fullname" . }}-entrypoint
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ include "common.release" . }}
+    heritage: {{ .Release.Service }}
+data:
+{{ tpl (.Files.Glob "resources/*").AsConfig . | indent 2 }}
diff --git a/kubernetes/msb/charts/msb-consul/templates/deployment.yaml b/kubernetes/msb/charts/msb-consul/templates/deployment.yaml
index 2639a8ed36..c7472cca72 100644
--- a/kubernetes/msb/charts/msb-consul/templates/deployment.yaml
+++ b/kubernetes/msb/charts/msb-consul/templates/deployment.yaml
@@ -41,6 +41,16 @@ spec:
         - name: {{ include "common.name" . }}
           image: "{{ .Values.global.dockerHubRepository | default .Values.dockerHubRepository }}/{{ .Values.image }}"
           imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+          securityContext:
+            runAsUser: {{ .Values.securityContext.runAsUser }}
+            runAsGroup: {{ .Values.securityContext.runAsGroup }}
+          command:
+            - docker-entrypoint.sh
+          args:
+            - "agent"
+            - "-dev"
+            - "-client"
+            - "0.0.0.0"
           ports:
           - containerPort: {{ .Values.service.internalPort }}
           # disable liveness probe when breakpoints set in debugger
@@ -62,6 +72,9 @@ spec:
           - mountPath: /etc/localtime
             name: localtime
             readOnly: true
+          - mountPath: /usr/local/bin/docker-entrypoint.sh
+            name: entrypoint
+            subPath: docker-entrypoint.sh
           resources:
 {{ include "common.resources" . | indent 12 }}
         {{- if .Values.nodeSelector }}
@@ -76,5 +89,9 @@ spec:
         - name: localtime
           hostPath:
             path: /etc/localtime
+        - name: entrypoint
+          configMap:
+            name: {{ include "common.fullname" . }}-entrypoint
+            defaultMode: 0777
       imagePullSecrets:
       - name: "{{ include "common.namespace" . }}-docker-registry-key"