Support override of ovs probes

Currently ovs liveness and readiness probes commands are statically
defined in the templates, this change allow them to be change
as needed.  This helps with debuging and making quick adjustment.

Change-Id: I75b4b5a335b75a52f4efbd4ba4ed007106aba4fa

openvswitch/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm OpenVSwitch
 name: openvswitch
-version: 0.1.3
+version: 0.1.4
 home: http://openvswitch.org
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Neutron/OpenStack_Project_Neutron_vertical.png
 sources:

openvswitch/templates/daemonset-ovs-vswitchd.yaml

@@ -15,19 +15,24 @@ limitations under the License.
 {{- define "ovsvswitchlivenessProbeTemplate" }}
 exec:
   command:
+{{- if .Values.pod.probes.ovs_vswitch.ovs_vswitch.liveness.exec }}
+{{ .Values.pod.probes.ovs_vswitch.ovs_vswitch.liveness.exec | toYaml | indent 4 }}
+{{- else }}
     - /usr/bin/ovs-appctl
     - bond/list
 {{- end }}
+{{- end }}
+
 {{- define "ovsvswitchreadinessProbeTemplate" }}
-{{- if not .Values.conf.ovs_dpdk.enabled }}
 exec:
   command:
+{{- if .Values.pod.probes.ovs_vswitch.ovs_vswitch.readiness.exec }}
+{{ .Values.pod.probes.ovs_vswitch.ovs_vswitch.readiness.exec | toYaml | indent 4 }}
+{{- else if not .Values.conf.ovs_dpdk.enabled }}
     - /bin/bash
     - -c
     - '/usr/bin/ovs-vsctl show'
 {{- else }}
-exec:
-  command:
     - /bin/bash
     - -c
     - '/usr/bin/ovs-vsctl show && ! /usr/bin/ovs-vsctl list Open_vSwitch | grep -q dpdk_initialized.*false'

openvswitch/values_overrides/vswitchd-probes.yaml

@@ -0,0 +1,11 @@
+---
+pod:
+  probes:
+    ovs_vswitch:
+      ovs_vswitch:
+        liveness:
+          exec:
+            - /bin/bash
+            - -c
+            - '/usr/bin/ovs-appctl bond/list; C1=$?; ovs-vsctl --column statistics list interface dpdk_b0s0 | grep -q -E "rx_|tx_"; C2=$?; ovs-vsctl --column statistics list interface dpdk_b0s1 | grep -q -E "rx_|tx_"; C3=$?; exit $(($C1+$C2+$C3))'
+...

releasenotes/notes/openvswitch.yaml

@@ -4,4 +4,5 @@ openvswitch:
   - 0.1.1 Change helm-toolkit dependency version to ">= 0.1.0"
   - 0.1.2 Unpin images built with osh-images
   - 0.1.3 Use HostToContainer mountPropagation
+  - 0.1.4 Support override of vswitchd liveness and readiness probe
 ...