Adding readiness/liveness probes to apt

This adds readiness and liveness probes to set daemonset to a non-ready status during dpkg usage

Change-Id: I5b9d029f1f8f696b4132a27ea29a77465babc29c

divingbell/Chart.yaml

@@ -15,4 +15,4 @@
 apiVersion: v1
 description: divingbell
 name: divingbell
-version: 0.1.1
+version: 0.1.2

divingbell/templates/bin/_apt.sh.tpl

@@ -18,6 +18,8 @@
 
 set -e
 
+rm -rf /tmp/done
+
 cat <<'EOF' > {{ .Values.conf.chroot_mnt_path | quote }}/tmp/apt.sh
 {{ include "divingbell.shcommon" . }}
 
@@ -266,6 +268,8 @@ EOF
 chmod 755 {{ .Values.conf.chroot_mnt_path | quote }}/tmp/apt.sh
 chroot {{ .Values.conf.chroot_mnt_path | quote }} /tmp/apt.sh
 
+touch /tmp/done
+
 while [ 1 ]; do
   sleep 300
 done

divingbell/templates/daemonset-apt.yaml

@@ -14,6 +14,13 @@
 # limitations under the License.
 */}}
 
+{{- define "readinessProbeTemplate" }}
+  exec:
+    command:
+    - cat
+    - /tmp/done
+{{- end }}
+
 {{- define "divingbell.daemonset.apt" }}
   {{- $daemonset := index . 0 }}
   {{- $secretName := index . 1 }}
@@ -51,6 +58,7 @@ spec:
         imagePullPolicy: {{ .Values.images.pull_policy }}
 {{ tuple $envAll $envAll.Values.pod.resources.apt | include "helm-toolkit.snippets.kubernetes_resources" | indent 8 }}
 {{ dict "envAll" $envAll "application" "divingbell" "container" "apt" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 8 }}
+{{ dict "envAll" $envAll "component" "divingbell" "container" "apt" "type" "readiness" "probeTemplate" (include "readinessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 8 }}
         command:
         - /tmp/{{ $daemonset }}.sh
         volumeMounts:

divingbell/values.yaml

@@ -261,6 +261,15 @@ pod:
       requests:
         memory: "128Mi"
         cpu: "100m"
+  probes:
+    divingbell:
+      apt:
+        readiness:
+          enabled: true
+          params:
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            failureThreshold: 120
 
 network_policy:
   divingbell:

doc/source/conf.py

@@ -56,9 +56,9 @@ author = u'Divingbell Authors'
 # built documents.
 #
 # The short X.Y version.
-version = u'0.1.1'
+version = u'0.1.2'
 # The full version, including alpha/beta/rc tags.
-release = u'0.1.1'
+release = u'0.1.2'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.