This repo contains a Vagrantfile and necessary assets to help you launch your Kubernetes cluster with rkt as a runtime.
The workshop slides can be viewed at http://go-talks.appspot.com/github.com/coreos/rktnetes-workshop/workshop.slide.
$ cd vagrant
$ vagrant up
[...]
$ vagrant ssh
[vagrant@localhost ~]$ kubectl describe node 127.0.0.1
Name: 127.0.0.1
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/hostname=127.0.0.1
Taints: <none>
CreationTimestamp: Mon, 27 Jun 2016 21:23:07 +0000
Phase:
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
OutOfDisk False Mon, 27 Jun 2016 21:25:10 +0000 Mon, 27 Jun 2016 21:23:07 +0000 KubeletHasSufficientDisk kubelet has sufficient disk space available
MemoryPressure False Mon, 27 Jun 2016 21:25:10 +0000 Mon, 27 Jun 2016 21:23:07 +0000 KubeletHasSufficientMemory kubelet has sufficient memory available
Ready True Mon, 27 Jun 2016 21:25:10 +0000 Mon, 27 Jun 2016 21:23:07 +0000 KubeletReady kubelet is posting ready status
Addresses: 127.0.0.1,127.0.0.1
Capacity:
alpha.kubernetes.io/nvidia-gpu: 0
cpu: 2
memory: 2048712Ki
pods: 110
Allocatable:
alpha.kubernetes.io/nvidia-gpu: 0
cpu: 2
memory: 2048712Ki
pods: 110
System Info:
Machine ID: 508619e7e68e446c84d1fcdf7e0dc577
System UUID: B488DBD6-3470-4E69-BF62-DE81AD069083
Boot ID: 1ea277cf-87e2-4383-bbea-305339975de9
Kernel Version: 4.5.5-300.fc24.x86_64
OS Image: Fedora 24 (Cloud Edition)
Operating System: linux
Architecture: amd64
Container Runtime Version: rkt://1.9.1
Kubelet Version: v1.3.0-beta.2
Kube-Proxy Version: v1.3.0-beta.2
ExternalID: 127.0.0.1
Non-terminated Pods: (0 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
--------- ---- ------------ ---------- --------------- -------------
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted. More info: http://releases.k8s.io/HEAD/docs/user-guide/compute-resources.md)
CPU Requests CPU Limits Memory Requests Memory Limits
------------ ---------- --------------- -------------
0 (0%) 0 (0%) 0 (0%) 0 (0%)
Events:
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
2m 2m 1 {kube-proxy 127.0.0.1} Normal Starting Starting kube-proxy.
2m 2m 1 {kubelet 127.0.0.1} Normal Starting Starting kubelet.
2m 2m 7 {kubelet 127.0.0.1} Normal NodeHasSufficientDisk Node 127.0.0.1 status is now: NodeHasSufficientDisk
2m 2m 7 {kubelet 127.0.0.1} Normal NodeHasSufficientMemory Node 127.0.0.1 status is now: NodeHasSufficientMemory
2m 2m 1 {controllermanager } Normal RegisteredNode Node 127.0.0.1 event: Registered Node 127.0.0.1 in NodeController
Now we can start playing with the rktnetes cluster!
[vagrant@localhost ~]$ kubectl run redis --image=redis
deployment "redis" created
[vagrant@localhost ~]$ kubectl get pods
NAME READY STATUS RESTARTS AGE
redis-4282552436-bwue8 1/1 Running 0 13s
[vagrant@localhost ~]$ rkt list
UUID APP IMAGE NAME STATE CREATED STARTED NETWORKS
2a827036 hyperkube quay.io/coreos/hyperkube:v1.3.0-beta.2_coreos.0 running 14 minutes ago 14 minutes ago
72210e51 etcd quay.io/coreos/etcd:v2.3.7 running 14 minutes ago 14 minutes ago
928296f0 hyperkube quay.io/coreos/hyperkube:v1.3.0-beta.2_coreos.0 running 14 minutes ago 14 minutes ago
97c2bef9 hyperkube quay.io/coreos/hyperkube:v1.3.0-beta.2_coreos.0 running 14 minutes ago 14 minutes ago
edee7641 redis registry-1.docker.io/library/redis:latest running 1 minute ago 1 minute ago rkt.kubernetes.io:ip4=10.1.0.2, default-restricted:ip4=172.16.28.2Add the Kubernetes Dashboard:
[vagrant@localhost ~]$ kubectl create -f https://rawgit.com/kubernetes/dashboard/master/src/deploy/kubernetes-dashboard.yamlAdd an Ingress controller based on traefik:
[vagrant@localhost ~]$ kubectl create -f /vagrant/traefik.yamlModify your local /etc/hosts, replace the entry with the Vagrant IP address:
[vagrant@localhost ~]$ ip addr show dev eth1
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 52:54:00:90:3f:9a brd ff:ff:ff:ff:ff:ff
inet 172.28.128.126/24 brd 172.28.128.255 scope global dynamic eth1
valid_lft 3221sec preferred_lft 3221sec
inet6 fe80::5054:ff:fe90:3f9a/64 scope link
valid_lft forever preferred_lft forever
[vagrant@localhost ~]$ exit
$ vi /etc/hosts
...
172.28.128.126 traefik.rktnetes
Open http://traefik.rktnetes.