feat(observability): add logLevel option to module config (#194)

Sets a logLevel for this components:
- virtualization-api
- virtualization-controller
- kube-api-proxy
- vmi-router

Signed-off-by: Roman Sysoev <[email protected]>

Author: hardcoretime

openapi/config-values.yaml

@@ -184,3 +184,18 @@ properties:
             properties:
               type:
                 enum: ["ObjectStorage"]
+  logLevel:
+    type: string
+    description: |
+      Sets a logging level.
+
+      Working for this components:
+      - `virtualization-api`
+      - `virtualization-controller`
+      - `kube-api-proxy`
+      - `vmi-router`
+    enum:
+      - "debug"
+      - "info"
+      - "warning"
+      - "error"

openapi/doc-ru-config-values.yaml

@@ -91,3 +91,13 @@ properties:
                   bucket:
                     description: |
                       Контейнер, в котором вы можете хранить свои файлы и объекты данных.
+  logLevel:
+    type: string
+    description: |
+      Устанавливает уровень логирования.
+
+      Работает для следующих компонентов:
+      - `virtualization-api`
+      - `virtualization-controller`
+      - `kube-api-proxy`
+      - `vmi-router`

templates/_kube_api_rewriter.tpl

@@ -1,6 +1,6 @@
 {{- define "kube_api_rewriter.env" -}}
 - name: LOG_LEVEL
-  value: Debug
+  value: {{ .Values.virtualization.logLevel }}
 {{- end -}}
 
 {{- define "kubeproxy_resources" -}}
@@ -31,7 +31,7 @@ spec:
         image: {{ $proxyImage }}
         imagePullPolicy: IfNotPresent
         env:
-        {{- include "kube_api_rewriter.env" . | nindent 8 }}
+        {{- include "kube_api_rewriter.env" $ctx | nindent 8 }}
         resources:
           requests:
           {{- include "helm_lib_module_ephemeral_storage_only_logs" . | nindent 12 }}

templates/kubevirt/vmi-router/daemonset.yaml

@@ -65,6 +65,10 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
+            {{- if eq .Values.virtualization.logLevel "debug" }}
+            - name: VERBOSITY
+              value: "10"
+            {{- end }}
           resources:
             requests:
               {{- include "helm_lib_module_ephemeral_storage_only_logs" . | nindent 14 }}

templates/virtualization-api/deployment.yaml

@@ -65,7 +65,11 @@ spec:
             - --kubevirt-cabundle=/etc/virt-api/certificates/ca.crt
             - --kubevirt-endpoint=virt-api.d8-{{ .Chart.Name}}.svc
             - --secure-port=8443
+            {{- if eq .Values.virtualization.logLevel "debug" }}
+            - --v=10
+            {{- else }}
             - --v=3
+            {{- end }}
             - --tls-cert-file=/etc/virtualziation-api/certificates/tls.crt
             - --tls-private-key-file=/etc/virtualziation-api/certificates/tls.key
             - --proxy-client-cert-file=/etc/virtualziation-api-proxy/certificates/tls.crt

templates/virtualization-controller/_helpers.tpl

@@ -3,7 +3,11 @@
 - name: KUBECONFIG
   value: "/kubeconfig.local/proxy.kubeconfig"
 - name: VERBOSITY
+  {{- if eq .Values.virtualization.logLevel "debug" }}
+  value: "10"
+  {{- else }}
   value: "3"
+  {{- end }}
 - name: FORCE_BRIDGE_NETWORK_BINDING
   value: "1"
 - name: DISABLE_HYPERV_SYNIC