Make injected Agent ephemeral storage configurable through injector.a…

…gentDefaults (#798)
hashicorp · May 17, 2023 · b9096ee · b9096ee
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -35,6 +35,9 @@ Features:
 Bugs:
 * server: Quote `.server.ha.clusterAddr` value [GH-810](https://github.com/hashicorp/vault-helm/pull/810)
 
+Improvements:
+* injector: Add `ephemeralLimit` and `ephemeralRequest` as options for configuring Agent's ephemeral storage resources [GH-798](https://github.com/hashicorp/vault-helm/pull/798)
+
 ## 0.22.1 (October 26th, 2022)
 
 Changes:

diff --git a/templates/injector-deployment.yaml b/templates/injector-deployment.yaml
@@ -109,6 +109,14 @@ spec:
               value: "{{ .Values.injector.agentDefaults.memRequest }}"
             - name: AGENT_INJECT_MEM_LIMIT
               value: "{{ .Values.injector.agentDefaults.memLimit }}"
+            {{- if .Values.injector.agentDefaults.ephemeralRequest }}
+            - name: AGENT_INJECT_EPHEMERAL_REQUEST
+              value: "{{ .Values.injector.agentDefaults.ephemeralRequest }}"
+            {{- end }}
+            {{- if .Values.injector.agentDefaults.ephemeralLimit }}
+            - name: AGENT_INJECT_EPHEMERAL_LIMIT
+              value: "{{ .Values.injector.agentDefaults.ephemeralLimit }}"
+            {{- end }}
             - name: AGENT_INJECT_DEFAULT_TEMPLATE
               value: "{{ .Values.injector.agentDefaults.template }}"
             - name: AGENT_INJECT_TEMPLATE_CONFIG_EXIT_ON_RETRY_FAILURE

diff --git a/test/unit/injector-deployment.bats b/test/unit/injector-deployment.bats
@@ -963,6 +963,7 @@ EOF
   local value=$(echo $object |
       yq -r 'map(select(.name=="AGENT_INJECT_MEM_REQUEST")) | .[] .value' | tee /dev/stderr)
   [ "${value}" = "64Mi" ]
+
 }
 
 @test "injector/deployment: can set agent default resources" {
@@ -973,6 +974,8 @@ EOF
       --set 'injector.agentDefaults.cpuRequest=cpuRequest' \
       --set 'injector.agentDefaults.memLimit=memLimit' \
       --set 'injector.agentDefaults.memRequest=memRequest' \
+      --set 'injector.agentDefaults.ephemeralLimit=ephemeralLimit' \
+      --set 'injector.agentDefaults.ephemeralRequest=ephemeralRequest' \
       . | tee /dev/stderr |
       yq -r '.spec.template.spec.containers[0].env' | tee /dev/stderr)
 
@@ -991,6 +994,14 @@ EOF
   local value=$(echo $object |
       yq -r 'map(select(.name=="AGENT_INJECT_MEM_REQUEST")) | .[] .value' | tee /dev/stderr)
   [ "${value}" = "memRequest" ]
+
+  local value=$(echo $object |
+      yq -r 'map(select(.name=="AGENT_INJECT_EPHEMERAL_LIMIT")) | .[] .value' | tee /dev/stderr)
+  [ "${value}" = "ephemeralLimit" ]
+
+  local value=$(echo $object |
+      yq -r 'map(select(.name=="AGENT_INJECT_EPHEMERAL_REQUEST")) | .[] .value' | tee /dev/stderr)
+  [ "${value}" = "ephemeralRequest" ]
 }
 
 @test "injector/deployment: agent default template" {

diff --git a/values.schema.json b/values.schema.json
@@ -266,6 +266,12 @@
                         "memRequest": {
                             "type": "string"
                         },
+                        "ephemeralLimit": {
+                            "type": "string"
+                        },
+                        "ephemeralRequest": {
+                            "type": "string"
+                        },
                         "template": {
                             "type": "string"
                         },

diff --git a/values.yaml b/values.yaml
@@ -83,6 +83,8 @@ injector:
     cpuRequest: "250m"
     memLimit: "128Mi"
     memRequest: "64Mi"
+    # ephemeralLimit: "128Mi"
+    # ephemeralRequest: "64Mi"
 
     # Default template type for secrets when no custom template is specified.
     # Possible values include: "json" and "map".