Excel for mac 2016 autocomplete dropdown list. The newest beta for Docker for Mac now comes with built in Kubernetes. In this video, Docker Developer Advocate Elton Stoneman demonstrates how to use Kubernetes in Docker for Mac, and how to deploy to Kubernetes using either kubectl or Docker Compose. For a background on how Docker in Docker can help us to set up a local Kubernetes cluster, see the This blog post is not an introduction to Kubernetes and the components that builds up a I have a very simple Docker image magnuslarsson/quotes:go-22 (written in Go) that creates some random. CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 766582a93d1f mirantis/kubeadm-dind-cluster:v1.8 '/sbin/dind_init s.' 9 hours ago Up 9 hours 8080/tcp kube-node-3 e1fc6bec1f23 mirantis/kubeadm-dind-cluster:v1.8 '/sbin/dind_init s.' 9 hours ago Up 9 hours 8080/tcp kube-node-2 b39509b9db77 mirantis/kubeadm-dind-cluster:v1.8 '/sbin/dind_init s.' 9 hours ago Up 9 hours 8080/tcp kube-node-1 a01be2512423 mirantis/kubeadm-dind-cluster:v1.8 '/sbin/dind_init s.' 9 hours ago Up 9 hours 127.0.0.1:8080->8080/tcp kube-master View Ok, so let’s see if we actually have a Kubernetes cluster up and running. The creation of the Deployment object will automatically also create a and a. Note: In more production like environment we should also set up an external load balancer, like HAProxy or NGINX in front of the Kubernetes cluster to be able to expose one single entry point to all services in the cluster. But that is out of scope for this blog post and left as an exercise for the interested reader:-) First, switch to the default. ![]() ![]() Cat quotes.yml apiVersion: apps/v1beta1 kind: Deployment metadata: name: quotes labels: app: quotes-app spec: replicas: 1 selector: matchLabels: app: quotes-app template: metadata: labels: app: quotes-app spec: containers: - name: quotes image: magnuslarsson/quotes:go-22 ports: - containerPort: 8080 --- apiVersion: v1 kind: Service metadata: name: quotes-service spec: type: NodePort selector: app: quotes-app ports: - port: 8080 targetPort: 8080 nodePort: 31000 EOF Create the Deployment and Service objects with the following command. NAME READY STATUS RESTARTS AGE po/quotes-77776b5bbc-5lll7 1/1 Running 0 45s NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE svc/kubernetes 10.96.0.1 443/TCP 5h svc/quotes-service 10.105.185.117 8080:31000/TCP 45s NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE deploy/quotes 1 1 1 1 45s NAME DESIRED CURRENT READY AGE rs/quotes-77776b5bbc 1 1 1 45s Note: In the output above short names are used for object types: • po: Pod • svc: Service • deploy: Deployment • rs: Replica Set We can now try it out using curl from one of the worker nodes. Quotes-77776b5bbc-gpk85/10.192.2.8 quotes-77776b5bbc-42wgk/10.192.4.9 quotes-77776b5bbc-txpcq/10.192.2.9 quotes-77776b5bbc-txpcq/10.192.2.9 quotes-77776b5bbc-wb2qt/10.192.4.10 quotes-77776b5bbc-txpcq/10.192.2.9 Great, isn’t it? Resilience Now, let’s expose the container orchestrator, i.e. Kubernetes, to some problems and see if it handles them as expected! Kill some pods First, let’s shut down some arbitrary pods and see if the orchestrator detects it and start new ones! Note: We will actually kill the container that runs within the pod, not the pod itself. Start a long running command, using the --watch flag, that continuously reports changes in the state of the Deployment object. • • > • • > • • > • Using Kubernetes with Docker for Mac If you just awoke from a few months worth of slumber (three months to be exact), this might be a bit of a shocker — Kubernetes? So, yes — last October at DockerCon Europe that future EE versions are going to support Kubernetes integration. Driver for hp laserjet p1102 mac. This has been somewhat of a big topic for debate in the world of containers and orchestration, and for good reason. Since Docker offers an orchestration tool of its own, Docker Swarm, this move has given rise to article titles such as “Docker give into the inevitable” or “Kubernetes has won”. While one can argue about the unequivocal tone used in these titles, there is little doubt that 2017 was a watershed year for Kubernetes, and in many ways for Docker as well. The announcement signified a major strategic decision by Docker, and it was followed up by the a few weeks ago. What does this release mean?
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |