allow CCM to work with different environments

Author: Rahul Sharma

templates/addons/ccm-linode/ccm-linode.yaml

@@ -23,3 +23,19 @@ spec:
       name: "linode-token-region"
     image:
       pullPolicy: IfNotPresent
+    env:
+      - name: LINODE_EXTERNAL_SUBNET
+        value: ${LINODE_EXTERNAL_SUBNET:=""}
+      - name: LINODE_URL
+        value: ${LINODE_URL:="https://api.linode.com"}
+      - name: SSL_CERT_DIR
+        value: "/tls"
+    volumeMounts:
+      - name: cacert
+        mountPath: /tls
+        readOnly: true
+    volumes:
+      - name: cacert
+        secret:
+          secretName: linode-ca
+          defaultMode: 420

templates/addons/cluster-resource-set/secret.yaml

@@ -14,6 +14,21 @@ stringData:
       apiToken: ${LINODE_TOKEN}
       region: ${LINODE_REGION}
 ---
+apiVersion: v1
+kind: Secret
+type: addons.cluster.x-k8s.io/resource-set
+metadata:
+  name: linode-${CLUSTER_NAME}-crs-1
+stringData:
+  linode-ca.yaml: |-
+    kind: Secret
+    apiVersion: v1
+    metadata:
+      name: linode-ca
+      namespace: kube-system
+    data:
+      cacert.pem: ${LINODE_CA_BASE64:=""}
+---
 apiVersion: addons.cluster.x-k8s.io/v1beta1
 kind: ClusterResourceSet
 metadata:
@@ -25,5 +40,6 @@ spec:
   resources:
     - kind: Secret
       name: linode-${CLUSTER_NAME}-crs-0
+    - kind: Secret
+      name: linode-${CLUSTER_NAME}-crs-1
   strategy: Reconcile
----