deploy: add CSI-Addons endpoint

Deployments place all sockets for communicating with CSI components in
the shared `/csi` directory. The CSI-Addons socket was introduced
recently, but not configured to be in the same location (by default
placed in `/tmp`).

Signed-off-by: Niels de Vos <ndevos@redhat.com>

charts/ceph-csi-rbd/templates/provisioner-deployment.yaml

@@ -137,6 +137,7 @@ spec:
             - "--controllerserver=true"
             - "--pidlimit=-1"
             - "--endpoint=$(CSI_ENDPOINT)"
+            - "--csi-addons-endpoint=$(CSI_ADDONS_ENDPOINT)"
             - "--v={{ .Values.logLevel }}"
             - "--drivername=$(DRIVER_NAME)"
             - "--rbdhardmaxclonedepth={{ .Values.provisioner.hardMaxCloneDepth }}"
@@ -162,6 +163,8 @@ spec:
                   fieldPath: spec.nodeName
             - name: CSI_ENDPOINT
               value: "unix:///csi/{{ .Values.provisionerSocketFile }}"
+            - name: CSI_ADDONS_ENDPOINT
+              value: "unix:///csi/csi-addons.sock"
           volumeMounts:
             - name: socket-dir
               mountPath: /csi