Local k8s cluster with Kind (#51)

* Adding kind configs

Signed-off-by: gar <[email protected]>

* Adding kind env

Signed-off-by: gar <[email protected]>

* updating kind nodeport

Signed-off-by: gar <[email protected]>

* Adding namespace file

Signed-off-by: gar <[email protected]>

* Separating out the pod afinity rules for controller and default-backend

Signed-off-by: gar <[email protected]>

* Adding namespace file

Signed-off-by: gar <[email protected]>

* updating readme with curl test

Signed-off-by: gar <[email protected]>

clusters/local/kind/README.md

@@ -0,0 +1,121 @@
+Kind
+=======
+Kind is an open source project that brings up a local Kuberenetes environment all
+running in Docker.
+
+Doc: https://kind.sigs.k8s.io/docs/user/quick-start/
+
+
+# Installation instructions:
+
+Doc: https://github.com/kubernetes-sigs/kind#installation-and-usage
+
+
+# Usage:
+
+## Creation:
+```
+kind create cluster --config config.yaml --image kindest/node:v1.13.12
+```
+
+## List
+```
+kind get clusters
+```
+
+## Delete
+```
+kind delete cluster
+```
+
+## Debug
+By defaul if the create command fails it will clean up the Docker containers.
+
+You can append the `--retain` flag in the `kind create cluster...` command so 
+it won't remove the Docker containers on failure and you can debug the containers
+from there.
+
+There is also a verbose flag to give you more information on what it is doing: `--v 7`
+
+# Example deployment
+
+## nginx-ingress
+
+```
+cd kubernetes/helm/nginx-ingress/
+```
+
+Deploy:
+```
+make ENVIRONMENT=kind external-apply
+```
+
+## http-echo app
+
+```
+cd kubernetes/helm/http-echo
+```
+
+Deploy:
+```
+kubectl apply -f namespace.yaml
+kubectl -n http-echo apply -f .
+```
+
+Test out the ingress:
+```bash
+root@ip-10-4-2-98:/home/ubuntu/kubernetes-ops/kubernetes/helm/http-echo# curl -v http://localhost -H "HOST: gar1.example.com"
+* Rebuilt URL to: http://localhost/
+*   Trying 127.0.0.1...
+* TCP_NODELAY set
+* Connected to localhost (127.0.0.1) port 80 (#0)
+> GET / HTTP/1.1
+> HOST: gar1.example.com
+> User-Agent: curl/7.58.0
+> Accept: */*
+> 
+< HTTP/1.1 200 OK
+< Server: nginx/1.15.10
+< Date: Thu, 19 Dec 2019 20:28:46 GMT
+< Content-Type: text/plain
+< Transfer-Encoding: chunked
+< Connection: keep-alive
+< Vary: Accept-Encoding
+< 
+
+
+Hostname: echoserver-6bdccfbcd4-jv557
+
+Pod Information:
+	-no pod information available-
+
+Server values:
+	server_version=nginx: 1.13.3 - lua: 10008
+
+Request Information:
+	client_address=10.244.1.17
+	method=GET
+	real path=/
+	query=
+	request_version=1.1
+	request_scheme=http
+	request_uri=http://gar1.example.com:8080/
+
+Request Headers:
+	accept=*/*
+	host=gar1.example.com
+	user-agent=curl/7.58.0
+	x-forwarded-for=10.244.1.1
+	x-forwarded-host=gar1.example.com
+	x-forwarded-port=80
+	x-forwarded-proto=http
+	x-original-uri=/
+	x-real-ip=10.244.1.1
+	x-request-id=2052b9f9e6a91587c5810773352fe7ab
+	x-scheme=http
+
+Request Body:
+	-no body in request-
+
+* Connection #0 to host localhost left intact
+```

clusters/local/kind/config.yaml

@@ -0,0 +1,30 @@
+---
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+
+nodes:
+- role: control-plane
+- role: worker
+  extraPortMappings:
+  - containerPort: 30080
+    hostPort: 80
+    listenAddress: "0.0.0.0" # Optional, defaults to "0.0.0.0"
+    protocol: tcp
+  - containerPort: 30443
+    hostPort: 443
+    listenAddress: "0.0.0.0" # Optional, defaults to "0.0.0.0"
+    protocol: tcp
+  kubeadmConfigPatches:
+  - |
+    apiVersion: kubeadm.k8s.io/v1beta2
+    kind: InitConfiguration
+    nodeRegistration:
+      kubeletExtraArgs:
+        node-labels: "ingress-ready=true"
+        authorization-mode: "AlwaysAllow"
+# - role: worker
+#   extraPortMappings:
+#   - containerPort: 8080
+#     hostPort: 8080
+#     listenAddress: "0.0.0.0" # Optional, defaults to "0.0.0.0"
+#     protocol: udp # Optional, defaults to tcp

kubernetes/helm/http-echo/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: http-echo
+  labels:
+    name: http-ech

kubernetes/helm/nginx-ingress/environments/kind/values-external.yaml

@@ -0,0 +1,20 @@
+nginx-ingress:
+  controller:
+    electionID: ingress-controller-leader-external
+    ingressClass: nginx-external
+
+    # service:
+    #   annotations:
+    #     service.beta.kubernetes.io/aws-load-balancer-ssl-cert: "arn:aws:acm:us-east-1:11111111111:certificate/1111111-1111-1111-1111-111111111"
+
+      # Whitelisting IPs inbound
+      # loadBalancerSourceRanges:
+      # # Temporary ManagedKube
+      # - 38.30.8.138/32
+      # - 1.1.1.1/32
+
+    service:
+      type: NodePort
+      nodePorts:
+        http: "30080"
+        https: "30443"

kubernetes/helm/nginx-ingress/environments/kind/values-internal.yaml

@@ -0,0 +1,14 @@
+nginx-ingress:
+  controller:
+    electionID: ingress-controller-leader-internal
+    ingressClass: nginx-internal
+
+    service:
+      annotations:
+        service.beta.kubernetes.io/aws-load-balancer-internal: 0.0.0.0/0
+        service.beta.kubernetes.io/aws-load-balancer-ssl-cert: "arn:aws:acm:us-east-1:11111111111:certificate/1111111-1111-1111-1111-111111111"
+
+      type: NodePort
+      nodePorts:
+        http: "31080"
+        https: "31443"

kubernetes/helm/nginx-ingress/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: ingress
+  labels:
+    name: ingress

kubernetes/helm/nginx-ingress/values.yaml

@@ -42,10 +42,10 @@ nginx-ingress:
         requiredDuringSchedulingIgnoredDuringExecution:
         - labelSelector:
             matchExpressions:
-            - key: app
+            - key: component
               operator: In
               values:
-              - nginx-ingress
+              - controller
           topologyKey: "kubernetes.io/hostname"
 
   defaultBackend:
@@ -59,8 +59,8 @@ nginx-ingress:
         requiredDuringSchedulingIgnoredDuringExecution:
         - labelSelector:
             matchExpressions:
-            - key: app
+            - key: component
               operator: In
               values:
-              - nginx-ingress
+              - default-backend
           topologyKey: "kubernetes.io/hostname"