add resources to injector for sidecar/init container

templates/connect-inject-deployment.yaml

@@ -61,6 +61,13 @@ spec:
                 {{- if (and .Values.connectInject.centralConfig.enabled .Values.connectInject.centralConfig.defaultProtocol) }}
                 -default-protocol="{{ .Values.connectInject.centralConfig.defaultProtocol }}" \
                 {{- end }}
+                {{- if .Values.connectInject.sidecarResources.enabled }}
+                -enable-resources=true \
+                -cpu-limit="{{ .Values.connectInject.sidecarResources.limits.cpu }}" \
+                -cpu-request="{{ .Values.connectInject.sidecarResources.requests.cpu }}" \
+                -memory-limit="{{ .Values.connectInject.sidecarResources.limits.memory }}" \
+                -memory-request="{{ .Values.connectInject.sidecarResources.requests.memory }}" \
+                {{- end }}
 {{- if .Values.connectInject.certs.secretName }}
                 -tls-cert-file=/etc/connect-injector/certs/{{ .Values.connectInject.certs.certName }} \
                 -tls-key-file=/etc/connect-injector/certs/{{ .Values.connectInject.certs.keyName }}

test/unit/connect-inject-deployment.bats

@@ -270,3 +270,31 @@ load _helpers
       yq '.spec.template.spec.containers[0].command | any(contains("-default-protocol=\"grpc\""))' | tee /dev/stderr)
   [ "${actual}" = "true" ]
 }
+
+#--------------------------------------------------------------------
+# sidecarResources
+
+@test "connectInject/Deployment: sidecarResources is disabled by default" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -x templates/connect-inject-deployment.yaml  \
+      --set 'connectInject.enabled=true' \
+      . | tee /dev/stderr |
+      yq '.spec.template.spec.containers[0].command | any(contains("-enable-resources"))' | tee /dev/stderr)
+  [ "${actual}" = "false" ]
+}
+
+@test "connectInject/Deployment: sidecarResources can be enabled" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -x templates/connect-inject-deployment.yaml  \
+      --set 'connectInject.enabled=true' \
+      --set 'connectInject.sidecarResources.enabled=true' \
+      --set 'connectInject.sidecarResources.limits.cpu=100m' \
+      --set 'connectInject.sidecarResources.limits.memory=128Mi' \
+      --set 'connectInject.sidecarResources.requests.cpu=100m' \
+      --set 'connectInject.sidecarResources.limits.cpu=128Mi' \
+      . | tee /dev/stderr |
+      yq '.spec.template.spec.containers[0].command | any(contains("-enable-resources"))' | tee /dev/stderr)
+  [ "${actual}" = "true" ]
+}

values.yaml

@@ -387,3 +387,13 @@ connectInject:
     # configured proxy.
     proxyDefaults: |
       {}
+
+  # enable resources for sidecar and init containers for injector
+  sidecarResources:
+    enabled: false
+    # limits:
+    #   cpu: 100m
+    #   memory: 128Mi
+    # requests:
+    #   cpu: 100m
+    #   memory: 128Mi