sgx: add cAdvisor deployment for EPC metrics

Signed-off-by: Mikko Ylinen <[email protected]>

deployments/sgx_epc_metrics/kustomization.yaml

@@ -0,0 +1,5 @@
+resources:
+  - "https://github.com/google/cadvisor/deploy/kubernetes/base?ref=master"
+  - service.yaml
+patches:
+  - path: misc-metrics.yaml

deployments/sgx_epc_metrics/misc-metrics.yaml

@@ -0,0 +1,18 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: cadvisor
+  namespace: cadvisor
+spec:
+  template:
+    spec:
+      nodeSelector:
+        intel.feature.node.kubernetes.io/sgx: 'true'
+      containers:
+        - name: cadvisor
+          image: docker.io/library/cadvisor:4af2b9b9
+          command: [
+            "/usr/bin/cadvisor",
+            "-enable_metrics", "misc",
+            "-logtostderr"
+          ]

deployments/sgx_epc_metrics/service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: cadvisor
+  name: cadvisor
+  namespace: cadvisor
+spec:
+  ports:
+    - name: http
+      port: 8080
+      targetPort: http
+  selector:
+    app: cadvisor