From f66c3d494a732d6eb3433d732f9c0950e16ebd38 Mon Sep 17 00:00:00 2001
From: Evan Johnson <ejohnson@akamai.com>
Date: Wed, 16 Oct 2024 11:45:19 -0400
Subject: [PATCH] make volume and volume mounts configurable through helm

---
 deploy/chart/templates/daemonset.yaml | 12 +++++++++---
 deploy/chart/values.yaml              | 17 ++++++++++++++---
 2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/deploy/chart/templates/daemonset.yaml b/deploy/chart/templates/daemonset.yaml
index 9b5304bf..f8ed0397 100644
--- a/deploy/chart/templates/daemonset.yaml
+++ b/deploy/chart/templates/daemonset.yaml
@@ -54,6 +54,9 @@ spec:
           volumeMounts:
             - mountPath: /etc/kubernetes
               name: k8s
+            {{- with .Values.volumeMounts}}
+            {{- toYaml . | nindent 12 }}
+            {{- end}}
           env:
             - name: LINODE_API_TOKEN
               valueFrom:
@@ -65,10 +68,13 @@ spec:
                 secretKeyRef:
                   name: {{ if .Values.secretRef }}{{ .Values.secretRef.name | default "ccm-linode" }}{{ else }}"ccm-linode"{{ end }}
                   key: {{ if .Values.secretRef }}{{ .Values.secretRef.regionRef | default "region" }}{{ else }}"region"{{ end }}
-            {{if .Values.env}}
-            {{- toYaml .Values.env | nindent 12 }}
-            {{end}}
+            {{- with .Values.env}}
+            {{- toYaml . | nindent 12 }}
+            {{- end}}
       volumes:
         - name: k8s
           hostPath:
             path: /etc/kubernetes
+        {{- with .Values.volumes}}
+        {{- toYaml . | nindent 8 }}
+        {{- end}}
diff --git a/deploy/chart/values.yaml b/deploy/chart/values.yaml
index 7d8d656b..d360beef 100644
--- a/deploy/chart/values.yaml
+++ b/deploy/chart/values.yaml
@@ -58,6 +58,17 @@ tolerations:
 # This section adds the ability to pass environment variables to adjust CCM defaults
 # https://github.com/linode/linode-cloud-controller-manager/blob/master/cloud/linode/loadbalancers.go
 # LINODE_HOSTNAME_ONLY_INGRESS type bool is supported
-# env:
-  # - name: EXAMPLE_ENV_VAR
-  #   value: "true"
+env:
+#  - name: EXAMPLE_ENV_VAR
+#    value: "true"
+
+# This section adds the ability to pass volumes to the CCM DaemonSet
+volumes:
+#  - name: test-volume
+#    emptyDir:
+#      sizeLimit: 500Mi
+
+# this section adds the ability to pass volumeMounts to the CCM container
+volumeMounts:
+#  - mountPath: /tmp/
+#    name: test-volume