Table of Contents
TODO
References:
$ mkdir downloads && cd $_ && wget -c https://archive.apache.org/dist/nifi/1.0.1/nifi-1.0.1-bin.tar.gz $ cd - $ p=paulojeronimo/vagrant-nifi-cluster $ mkdir -p github/`dirname $p` && cd $_ && git clone https://github.com/$p && cd `basename $p` $ cp ../../../downloads/nifi-1.0.1-bin.tar.gz .
$ vagrant plugin install vagrant-vbguest $ vagrant plugin install vagrant-hostmanager $ vagrant up
Open:
References:
$ p=paulojeronimo/docker-compose-nifi-cluster $ mkdir -p github/`dirname $p` && cd $_ && git clone https://github.com/$p && cd `basename $p`
$ docker-compose up -d $ docker-compose
$ docker-compose logs -f
$ docker-compose ps
Name Command State Ports
docker-compose-nifi-cluster_nifi-nodes_1 ./start-nifi.sh Up 8080/tcp, 8081/tcp
docker-compose-nifi-cluster_zoo1_1 /docker-entrypoint.sh zkSe ... Up 0.0.0.0:32768->2181/tcp, 2888/tcp, 3888/tcp
nifi-cluster-seed ./start-nifi.sh Up 0.0.0.0:8080->8080/tcp, 0.0.0.0:8081->8081/tcp, 0.0.0.0:8082->8082/tcp
$ docker exec nifi-cluster-seed tail -f logs/nifi-app.log
Scale up:
$ docker-compose scale nifi-nodes=2 WARNING: The scale command is deprecated. Use the up command with the --scale flag instead. Starting docker-compose-nifi-cluster_nifi-nodes_1 ... done Creating docker-compose-nifi-cluster_nifi-nodes_2 ... done
$ docker-compose ps
Name Command State Ports
docker-compose-nifi-cluster_nifi-nodes_1 ./start-nifi.sh Up 8080/tcp, 8081/tcp
docker-compose-nifi-cluster_nifi-nodes_2 ./start-nifi.sh Up 8080/tcp, 8081/tcp
docker-compose-nifi-cluster_zoo1_1 /docker-entrypoint.sh zkSe ... Up 0.0.0.0:32768->2181/tcp, 2888/tcp, 3888/tcp
nifi-cluster-seed ./start-nifi.sh Up 0.0.0.0:8080->8080/tcp, 0.0.0.0:8081->8081/tcp, 0.0.0.0:8082->8082/tcp
$ docker-compose down
References:
$ brew cask install minikube
$ minikube start Starting local Kubernetes v1.10.0 cluster... Starting VM... Downloading Minikube ISO 160.27 MB / 160.27 MB [============================================] 100.00% 0s Getting VM IP address... Moving files into cluster... Downloading kubelet v1.10.0 Downloading kubeadm v1.10.0 Finished Downloading kubeadm v1.10.0 Finished Downloading kubelet v1.10.0 Setting up certs... Connecting to cluster... Setting up kubeconfig... Starting cluster components... Kubectl is now configured to use the cluster. Loading cached images from config file.
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Note
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minikube, by default (on macOS), runs on VirtualBox. |
$ kubectl config current-context minikube
$ kubectl version
Client Version: version.Info{Major:"1", Minor:"11", GitVersion:"v1.11.2", GitCommit:"bb9ffb1654d4a729bb4cec18ff088eacc153c239", GitTreeState:"clean", BuildDate:"2018-08-08T16:31:10Z", GoVersion:"go1.10.3", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.0", GitCommit:"fc32d2f3698e36b93322a3465f63a14e9f0eaead", GitTreeState:"clean", BuildDate:"2018-03-26T16:44:10Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}
$ kubectl get nodes NAME STATUS ROLES AGE VERSION minikube Ready master 9m v1.10.0
$ kubectl cluster-info Kubernetes master is running at https://192.168.99.100:8443 KubeDNS is running at https://192.168.99.100:8443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
$ kubectl run hello-minikube --image=k8s.gcr.io/echoserver:1.10 --port=8080 deployment.apps/hello-minikube created
$ kubectl expose deployment hello-minikube --type=NodePort service/hello-minikube exposed
$ minikube service hello-minikube --url http://192.168.99.100:32646
$ curl $(!!) curl $(minikube service hello-minikube --url) Hostname: hello-minikube-7c77b68cff-cm5fz Pod Information: -no pod information available- Server values: server_version=nginx: 1.13.3 - lua: 10008 Request Information: client_address=172.17.0.1 method=GET real path=/ query= request_version=1.1 request_scheme=http request_uri=http://192.168.99.100:8080/ Request Headers: accept=*/* host=192.168.99.100:32646 user-agent=curl/7.54.0 Request Body: -no body in request-
$ kubectl delete services hello-minikube service "hello-minikube" deleted
$ kubectl delete deployment hello-minikube deployment.extensions "hello-minikube" deleted
$ minikube stop Stopping local Kubernetes cluster... Machine stopped.
$ minikube status minikube: Stopped cluster: kubectl:
$ minikube start Starting local Kubernetes v1.10.0 cluster... Starting VM... Getting VM IP address... Moving files into cluster... Setting up certs... Connecting to cluster... Setting up kubeconfig... Starting cluster components... Kubectl is now configured to use the cluster. Loading cached images from config file.
$ minikube status minikube: Running cluster: Running kubectl: Correctly Configured: pointing to minikube-vm at 192.168.99.100
$ minikube get-k8s-versions The following Kubernetes versions are available when using the localkube bootstrapper: - v1.10.0 - v1.9.4 - v1.9.0 - v1.8.0 - v1.7.5 - v1.7.4 - v1.7.3 - v1.7.2 - v1.7.0 - v1.7.0-rc.1 - v1.7.0-alpha.2 - v1.6.4 - v1.6.3 - v1.6.0 - v1.6.0-rc.1 - v1.6.0-beta.4 - v1.6.0-beta.3 - v1.6.0-beta.2 - v1.6.0-alpha.1 - v1.6.0-alpha.0 - v1.5.3 - v1.5.2 - v1.5.1 - v1.4.5 - v1.4.3 - v1.4.2 - v1.4.1 - v1.4.0 - v1.3.7 - v1.3.6 - v1.3.5 - v1.3.4 - v1.3.3 - v1.3.0
$ minikube dashboard
$ kubectl run hello-nginx --image=nginx --port=80 deployment.apps/hello-nginx created
$ kubectl get pods NAME READY STATUS RESTARTS AGE hello-nginx-6f9f4fc7dd-ks9rr 1/1 Running 0 22s
$ kubectl describe pod hello-nginx-6f9f4fc7dd-ks9rr
Name: hello-nginx-6f9f4fc7dd-ks9rr
Namespace: default
Node: minikube/10.0.2.15
Start Time: Tue, 21 Aug 2018 17:43:21 +0100
Labels: pod-template-hash=2959097388
run=hello-nginx
Annotations: <none>
Status: Running
IP: 172.17.0.4
Controlled By: ReplicaSet/hello-nginx-6f9f4fc7dd
Containers:
hello-nginx:
Container ID: docker://cc5e7fe413396fd6897791718ff6c9974533726812c001472966168ff733c829
Image: nginx
Image ID: docker-pullable://nginx@sha256:d85914d547a6c92faa39ce7058bd7529baacab7e0cd4255442b04577c4d1f424
Port: 80/TCP
Host Port: 0/TCP
State: Running
Started: Tue, 21 Aug 2018 17:43:34 +0100
Ready: True
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-kb564 (ro)
Conditions:
Type Status
Initialized True
Ready True
PodScheduled True
Volumes:
default-token-kb564:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-kb564
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 3m default-scheduler Successfully assigned hello-nginx-6f9f4fc7dd-ks9rr to minikube
Normal SuccessfulMountVolume 3m kubelet, minikube MountVolume.SetUp succeeded for volume "default-token-kb564"
Normal Pulling 3m kubelet, minikube pulling image "nginx"
Normal Pulled 2m kubelet, minikube Successfully pulled image "nginx"
Normal Created 2m kubelet, minikube Created container
Normal Started 2m kubelet, minikube Started container
$ kubectl get deployments NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE hello-nginx 1 1 1 1 4m
$ kubectl expose deployment hello-nginx --type=NodePort service/hello-nginx exposed
$ kubectl get services NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE hello-nginx NodePort 10.104.9.105 <none> 80:30384/TCP 1m kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 40m
$ kubectl describe service hello-nginx Name: hello-nginx Namespace: default Labels: run=hello-nginx Annotations: <none> Selector: run=hello-nginx Type: NodePort IP: 10.104.9.105 Port: <unset> 80/TCP TargetPort: 80/TCP NodePort: <unset> 30384/TCP Endpoints: 172.17.0.4:80 Session Affinity: None External Traffic Policy: Cluster Events: <none>
$ kubectl scale --replicas=3 deployment/hello-nginx deployment.extensions/hello-nginx scaled
$ kubectl get deployment NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE hello-nginx 3 3 3 3 10m
$ eval $(minikube docker-env)
$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE nginx latest c82521676580 4 weeks ago 109MB k8s.gcr.io/kube-proxy-amd64 v1.10.0 bfc21aadc7d3 4 months ago 97MB k8s.gcr.io/kube-apiserver-amd64 v1.10.0 af20925d51a3 4 months ago 225MB k8s.gcr.io/kube-scheduler-amd64 v1.10.0 704ba848e69a 4 months ago 50.4MB k8s.gcr.io/kube-controller-manager-amd64 v1.10.0 ad86dbed1555 4 months ago 148MB k8s.gcr.io/echoserver 1.10 365ec60129c5 5 months ago 95.4MB k8s.gcr.io/etcd-amd64 3.1.12 52920ad46f5b 5 months ago 193MB k8s.gcr.io/kube-addon-manager v8.6 9c16409588eb 6 months ago 78.4MB k8s.gcr.io/k8s-dns-dnsmasq-nanny-amd64 1.14.8 c2ce1ffb51ed 7 months ago 41MB k8s.gcr.io/k8s-dns-sidecar-amd64 1.14.8 6f7f2dc7fab5 7 months ago 42.2MB k8s.gcr.io/k8s-dns-kube-dns-amd64 1.14.8 80cc5ea4b547 7 months ago 50.5MB k8s.gcr.io/pause-amd64 3.1 da86e6ba6ca1 8 months ago 742kB k8s.gcr.io/kubernetes-dashboard-amd64 v1.8.1 e94d2f21bc0c 8 months ago 121MB gcr.io/k8s-minikube/storage-provisioner v1.8.1 4689081edb10 9 months ago 80.8MB
References:
References:
$ kubectl config get-contexts
CURRENT NAME CLUSTER AUTHINFO NAMESPACE
/192-168-64-2:8443/developer 192-168-64-2:8443 developer/192-168-64-2:8443
default/192-168-64-2:8443/system:admin 192-168-64-2:8443 system:admin/192-168-64-2:8443 default
docker-for-desktop docker-for-desktop-cluster docker-for-desktop
* myproject/192-168-64-2:8443/developer 192-168-64-2:8443 developer/192-168-64-2:8443 myproject
$ kubectl config use-context docker-for-desktop Switched to context "docker-for-desktop".
References:
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