Updating the application controller - multiple ports can be specified now | Microservices now expose metrics | Fixing a small bug

Author: Archisman-Mridha

go.work.sum

@@ -28,8 +28,6 @@ cloud.google.com/go/clouddms v1.7.0/go.mod h1:MW1dC6SOtI/tPNCciTsXtsGNEM0i0Occyk
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-cloud.google.com/go/compute v1.23.0/go.mod h1:4tCnrn48xsqlwSAiLf1HXMQk8CONslYbdiEZc9FEIbM=
-cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
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@@ -130,6 +128,8 @@ github.com/99designs/gqlgen v0.17.41/go.mod h1:GQ6SyMhwFbgHR0a8r2Wn8fYgEwPxxmndL
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@@ -149,8 +149,8 @@ github.com/cncf/udpa/go v0.0.0-20220112060539-c52dc94e7fbe/go.mod h1:6pvJx4me5XP
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@@ -159,8 +159,8 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.m
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@@ -178,7 +178,6 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
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@@ -203,6 +202,8 @@ github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:Fecb
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@@ -212,9 +213,11 @@ github.com/lyft/protoc-gen-star/v2 v2.0.3/go.mod h1:amey7yeodaJhXSbf/TlLvWiqQfLO
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@@ -224,23 +227,27 @@ github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6L
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-golang.org/x/term v0.14.0 h1:LGK9IlZ8T9jvdy6cTdfKUCltatMFOehAQo9SRC46UQ8=
-golang.org/x/term v0.14.0/go.mod h1:TySc+nGkYR6qt8km8wUhuFRTVSMIX3XPR58y2lC8vww=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 google.golang.org/api v0.126.0/go.mod h1:mBwVAtz+87bEN6CbA1GtZPDOqY2R5ONPqJeIlvyo4Aw=
 google.golang.org/api v0.128.0/go.mod h1:Y611qgqaE92On/7g65MQgxYul3c0rEB894kniWLY750=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=

kubernetes/manifests/application-controller/instagramclone.io_applications.yaml

@@ -35,10 +35,42 @@ spec:
               image:
                 description: Container image.
                 type: string
-              port:
-                description: gRPC server port to be exposed by each container.
-                format: int32
-                type: integer
+              ports:
+                description: Container ports to be exposed.
+                items:
+                  description: ContainerPort represents a network port in a single
+                    container.
+                  properties:
+                    containerPort:
+                      description: Number of port to expose on the pod's IP address.
+                        This must be a valid port number, 0 < x < 65536.
+                      format: int32
+                      type: integer
+                    hostIP:
+                      description: What host IP to bind the external port to.
+                      type: string
+                    hostPort:
+                      description: Number of port to expose on the host. If specified,
+                        this must be a valid port number, 0 < x < 65536. If HostNetwork
+                        is specified, this must match ContainerPort. Most containers
+                        do not need this.
+                      format: int32
+                      type: integer
+                    name:
+                      description: If specified, this must be an IANA_SVC_NAME and
+                        unique within the pod. Each named port in a pod must have
+                        a unique name. Name for the port that can be referred to by
+                        services.
+                      type: string
+                    protocol:
+                      default: TCP
+                      description: Protocol for port. Must be UDP, TCP, or SCTP. Defaults
+                        to "TCP".
+                      type: string
+                  required:
+                  - containerPort
+                  type: object
+                type: array
               replicas:
                 properties:
                   max:

kubernetes/manifests/cert-manager/kustomization.yaml

@@ -17,4 +17,9 @@ helmCharts:
     name: cert-manager
     version: 1.13.1
     namespace: cert-manager
-    releaseName: cert-manager
+    releaseName: cert-manager
+    valuesInline:
+      prometheus:
+        enabled: true
+        serviceMonitor:
+          enabled: true

kubernetes/manifests/microservices/feeds/application.yaml

@@ -13,4 +13,10 @@ spec:
     cpu: 100m
     memory: 100Mi
   secretName: feeds-microservice
-  port: 4000
+  ports:
+    - name: grpc
+      containerPort: 4000
+      protocol: tcp
+    - name: metrics
+      containerPort: 5000
+      protocol: http

kubernetes/manifests/microservices/followships/application.yaml

@@ -13,4 +13,10 @@ spec:
     cpu: 100m
     memory: 100Mi
   secretName: followships-microservice
-  port: 4000
+  ports:
+    - name: grpc
+      containerPort: 4000
+      protocol: tcp
+    - name: metrics
+      containerPort: 5000
+      protocol: http

kubernetes/manifests/microservices/gateway/application.yaml

@@ -13,4 +13,10 @@ spec:
     cpu: 100m
     memory: 100Mi
   secretName: gateway-microservice
-  port: 4000
+  ports:
+    - name: grpc
+      containerPort: 4000
+      protocol: tcp
+    - name: metrics
+      containerPort: 5000
+      protocol: http

kubernetes/manifests/microservices/posts/application.yaml

@@ -13,4 +13,10 @@ spec:
     cpu: 100m
     memory: 100Mi
   secretName: posts-microservice
-  port: 4000
+  ports:
+    - name: grpc
+      containerPort: 4000
+      protocol: tcp
+    - name: metrics
+      containerPort: 5000
+      protocol: http

kubernetes/manifests/microservices/profiles/application.yaml

@@ -13,4 +13,10 @@ spec:
     cpu: 100m
     memory: 100Mi
   secretName: profiles-microservice
-  port: 4000
+  ports:
+    - name: grpc
+      containerPort: 4000
+      protocol: tcp
+    - name: metrics
+      containerPort: 5000
+      protocol: http

kubernetes/manifests/microservices/users/application.yaml

@@ -13,4 +13,10 @@ spec:
     cpu: 100m
     memory: 100Mi
   secretName: users-microservice
-  port: 4000
+  ports:
+    - name: grpc
+      containerPort: 4000
+      protocol: tcp
+    - name: metrics
+      containerPort: 5000
+      protocol: http