Additional k8s tentacle updates to support configuration stored in co…

…nfig map (#34)

* Add blank configmap so it's removed when you uninstall helm chart

* set instanceName so that each tentacle on a cluster is uniquely named.

* Make instanceName title case

* Add ability to specify arm container for nfs

* Add changeset

* Fix config map

charts/kubernetes-tentacle/.changeset/stupid-rivers-serve.md

@@ -0,0 +1,5 @@
+---
+"kubernetes-tentacle": patch
+---
+
+Add minor changes to support tentacles using configmap for configuration storage

charts/kubernetes-tentacle/templates/configmap.yaml

@@ -0,0 +1,5 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: tentacle-config
+  namespace: {{ .Release.Namespace | quote }}

charts/kubernetes-tentacle/templates/nfs-deployment.yaml

@@ -26,7 +26,7 @@ spec:
       serviceAccountName: {{ include "kubernetes-tentacle.serviceAccountName" . }}
       containers:
         - name: {{ printf "%s-nfs" .Chart.Name }}
-          image: itsthenetwork/nfs-server-alpine:latest
+          image: "itsthenetwork/nfs-server-alpine:latest{{ .Values.development.nfs.useArmContainer | ternary "-arm" "" }}"
           securityContext:
             privileged: true
           env:

charts/kubernetes-tentacle/values.yaml

@@ -82,3 +82,7 @@ volumeMounts: []
 # - name: foo
 #   mountPath: "/etc/foo"
 #   readOnly: true
+
+development:
+  nfs:
+    useArmContainer: false