updateStrategy and Pod scheduling changes

Signed-off-by: Ambika Nair <[email protected]>

Author: ambiknai

config/samples/csi_v1alpha1_ibmobjectcsi.yaml

@@ -22,6 +22,26 @@ spec:
         cpu: 40m
         memory: 40Mi
     affinity:
+      podAntiAffinity:
+        preferredDuringSchedulingIgnoredDuringExecution:
+        - podAffinityTerm:
+            labelSelector:
+              matchExpressions:
+              - key: app.kubernetes.io/component
+                operator: In
+                values:
+                - controller
+            topologyKey: topology.kubernetes.io/zone
+          weight: 100
+        - podAffinityTerm:
+            labelSelector:
+              matchExpressions:
+              - key: app.kubernetes.io/component
+                operator: In
+                values:
+                - controller
+            topologyKey: topology.kubernetes.io/zone
+          weight: 100
       nodeAffinity:
         requiredDuringSchedulingIgnoredDuringExecution:
           nodeSelectorTerms:
@@ -37,18 +57,6 @@ spec:
     repository: icr.io/ibm/ibm-object-csi-driver
     tag: "v0.1.8"
     imagePullPolicy: Always
-    affinity:
-      nodeAffinity:
-        requiredDuringSchedulingIgnoredDuringExecution:
-          nodeSelectorTerms:
-            - matchExpressions:
-                - key: kubernetes.io/arch
-                  operator: In
-                  values:
-                    - amd64
-
-    tolerations:
-      - operator: Exists
 
   sidecars:
   - name: csi-node-driver-registrar

controllers/syncer/csi_controller.go

@@ -44,6 +44,7 @@ func NewCSIControllerSyncer(c client.Client, driver *crutils.IBMObjectCSI) synce
 				},
 				Spec: corev1.PodSpec{},
 			},
+			MinReadySeconds: 30,
 		},
 	}
 

controllers/syncer/csi_node.go

@@ -44,6 +44,13 @@ func NewCSINodeSyncer(c client.Client, driver *crutils.IBMObjectCSI) syncer.Inte
 				},
 				Spec: corev1.PodSpec{},
 			},
+			MinReadySeconds: 30,
+			UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
+				Type: appsv1.RollingUpdateDaemonSetStrategyType,
+				RollingUpdate: &appsv1.RollingUpdateDaemonSet{
+					MaxUnavailable: func(i intstr.IntOrString) *intstr.IntOrString { return &i }(intstr.FromString("100%")),
+				},
+			},
 		},
 	}