fix: use dns name to reach rest

Using the host name creates a race as rest must start ahead.
Instead, simply use the dns name, which will be updated whenever rest is ready.
Resolves: openebs/mayastor#1076

chart/templates/csi-deployment.yaml

@@ -57,7 +57,7 @@ spec:
           imagePullPolicy: {{ .Values.mayastorCP.pullPolicy }}
           args:
             - "--csi-socket=/var/lib/csi/sockets/pluginproxy/csi.sock"
-            - "--rest-endpoint=http://$(REST_SERVICE_HOST):8081"{{ if .Values.base.jaeger.enabled }}
+            - "--rest-endpoint=http://rest:8081"{{ if .Values.base.jaeger.enabled }}
             - "--jaeger={{ .Values.base.jaeger.agent.name }}:{{ .Values.base.jaeger.agent.port }}"{{ end }}
           env:
             - name: RUST_LOG

chart/templates/msp-deployment.yaml

@@ -26,7 +26,7 @@ spec:
           image: {{ .Values.mayastorCP.registry }}mayadata/mcp-msp-operator:{{ .Values.mayastorCP.tag }}
           imagePullPolicy: {{ .Values.mayastorCP.pullPolicy }}
           args:
-            - "-e http://$(REST_SERVICE_HOST):8081"
+            - "-e http://rest:8081"
             - "--interval={{ .Values.base.cache_poll_period }}"{{ if .Values.base.jaeger.enabled }}
             - "--jaeger={{ .Values.base.jaeger.agent.name }}:{{ .Values.base.jaeger.agent.port }}"{{ end }}
           env:

deploy/core-agents-deployment.yaml

@@ -23,13 +23,15 @@ spec:
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz nats 4222; do echo "Waiting for nats..."; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz nats 4222; do echo "Waiting for nats..."; sleep
+            1; done;
           image: busybox:latest
           name: nats-probe
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz mayastor-etcd 2379; do echo "Waiting for etcd..."; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz mayastor-etcd 2379; do echo "Waiting for etcd...";
+            sleep 1; done;
           image: busybox:latest
           name: etcd-probe
       containers:

deploy/csi-deployment.yaml

@@ -26,7 +26,8 @@ spec:
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz rest 8081; do echo "Waiting for REST API endpoint to become available"; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz rest 8081; do echo "Waiting for REST API endpoint
+            to become available"; sleep 1; done;
           image: busybox:latest
           name: rest-probe
       containers:
@@ -69,7 +70,7 @@ spec:
           imagePullPolicy: IfNotPresent
           args:
             - "--csi-socket=/var/lib/csi/sockets/pluginproxy/csi.sock"
-            - "--rest-endpoint=http://$(REST_SERVICE_HOST):8081"
+            - "--rest-endpoint=http://rest:8081"
           env:
             - name: RUST_LOG
               value: info

deploy/jaeger-operator/deployment.yaml

@@ -45,14 +45,3 @@ spec:
               value: "mayastor-jaeger-operator"
           resources:
             {}
-      affinity:
-        nodeAffinity:
-          requiredDuringSchedulingIgnoredDuringExecution:
-            nodeSelectorTerms:
-            - matchExpressions:
-              - key: node-role.kubernetes.io/master
-                operator: In
-                values:
-                - ""
-      tolerations:
-        - key: node-role.kubernetes.io/master

deploy/jaeger-operator/jaeger.yaml

@@ -9,17 +9,6 @@ spec:
   strategy: allInOne
   ingress:
     enabled: false
-  affinity:
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-        - matchExpressions:
-          - key: node-role.kubernetes.io/master
-            operator: In
-            values:
-            - ""
-  tolerations:
-    - key: node-role.kubernetes.io/master
   query:
     serviceType: NodePort
     nodePort: 30012

deploy/msp-deployment.yaml

@@ -24,13 +24,15 @@ spec:
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz nats 4222; do echo "Waiting for nats..."; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz nats 4222; do echo "Waiting for nats..."; sleep
+            1; done;
           image: busybox:latest
           name: nats-probe
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz mayastor-etcd 2379; do echo "Waiting for etcd..."; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz mayastor-etcd 2379; do echo "Waiting for etcd...";
+            sleep 1; done;
           image: busybox:latest
           name: etcd-probe
       containers:
@@ -45,7 +47,7 @@ spec:
           image: mayadata/mcp-msp-operator:v1.0.0
           imagePullPolicy: IfNotPresent
           args:
-            - "-e http://$(REST_SERVICE_HOST):8081"
+            - "-e http://rest:8081"
             - "--interval=30s"
           env:
             - name: RUST_LOG

deploy/rest-deployment.yaml

@@ -23,13 +23,15 @@ spec:
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz nats 4222; do echo "Waiting for nats..."; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz nats 4222; do echo "Waiting for nats..."; sleep
+            1; done;
           image: busybox:latest
           name: nats-probe
         - command:
           - sh
           - -c
-          - trap "exit 1" TERM; until nc -vz mayastor-etcd 2379; do echo "Waiting for etcd..."; sleep 1; done;
+          - trap "exit 1" TERM; until nc -vz mayastor-etcd 2379; do echo "Waiting for etcd...";
+            sleep 1; done;
           image: busybox:latest
           name: etcd-probe
       containers: