Installing Contrail CNI on Kubernetes
Contrail CNI can be installed on a Kubernetes cluster through multiple provisioning schemes.
This wiki will describe the most simplest of all: A single yaml based install
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A running Kubernetes cluster
There are multiple options available to user to install Kubernetes. The most simplest being kubeadm
Alternatively if you would like to install Contrail and K8s cluster together, you can use Contrail Ansible Deployer.
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Linux kernel version 3.10.0-862.3.2
Contrail forwarding uses a kernel module to provide high throughput, low latency networking.
The latest kernel module is compiled against 3.10.0-862.3.2 kernel.
Installation of Contrail is a 1-step process.
Note: Replace x.x.x.x with the IP of your Kubernetes Master node.
K8S_MASTER_IP=x.x.x.x; mkdir -pm 777 /var/lib/contrail/kafka-logs; curl https://github.com/Juniper/contrail-controller/wiki/contrail.yml | awk '/<pre><code>/{flag=1;next}/<\/pre>/{flag=0}flag' | sed "s/{{ K8S_MASTER_IP }}/$K8S_MASTER_IP/g" | kubectl apply -f -
Hurray! Welcome to Contrail.
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You installed Contrail CNI in your Kubernetes node. If new compute nodes are added to your Kubernetes cluster, Contrail CNI will be propogated to them auto-magically as it is backed by a Kubernetes DaemaonSet.
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You installed entire Contrail Networking suite with rich Networking, Analytics, Security, Visualization functions, to name a few.
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Contrail UI is available on port 8143 of your node. Feel free to play around. About Contrail
https://x.x.x.x:8143
Default credentials: admin/contrail123
You can get the status of Contrail components, by running "contrail-status" command line tool in your Kubernetes master node. This will list all Contrail components running in your system.
[root@foo ~]# contrail-status
Pod Service Original Name State Status
zookeeper contrail-external-zookeeper running Up 35 minutes
analytics alarm-gen contrail-analytics-alarm-gen running Up 35 minutes
analytics api contrail-analytics-api running Up 35 minutes
analytics collector contrail-analytics-collector running Up 35 minutes
analytics nodemgr contrail-nodemgr running Up 33 minutes
analytics query-engine contrail-analytics-query-engine running Up 35 minutes
analytics snmp-collector contrail-analytics-snmp-collector running Up 35 minutes
analytics topology contrail-analytics-topology running Up 34 minutes
config api contrail-controller-config-api running Up 35 minutes
config cassandra contrail-external-cassandra running Up 35 minutes
config device-manager contrail-controller-config-devicemgr running Up 35 minutes
config nodemgr contrail-nodemgr running Up 33 minutes
config rabbitmq contrail-external-rabbitmq running Up 35 minutes
config schema contrail-controller-config-schema running Up 35 minutes
config svc-monitor contrail-controller-config-svcmonitor running Up 35 minutes
control control contrail-controller-control-control running Up 35 minutes
control dns contrail-controller-control-dns running Up 35 minutes
control named contrail-controller-control-named running Up 35 minutes
control nodemgr contrail-nodemgr running Up 33 minutes
database cassandra contrail-external-cassandra running Up 35 minutes
database kafka contrail-external-kafka running Up 35 minutes
database nodemgr contrail-nodemgr running Up 34 minutes
kubernetes kube-manager contrail-kubernetes-kube-manager running Up 35 minutes
vrouter agent contrail-vrouter-agent running Up 34 minutes
vrouter nodemgr contrail-nodemgr running Up 33 minutes
webui job contrail-controller-webui-job running Up 35 minutes
webui web contrail-controller-webui-web running Up 35 minutes
WARNING: container with original name 'contrail-external-zookeeper' have Pod os Service empty. Pod: '' / Service: 'zookeeper'. Please pass NODE_TYPE with pod name to container's env
vrouter kernel module is PRESENT
== Contrail control ==
control: active
nodemgr: initializing (NTP state unsynchronized. ) . <-- Safe to ignore
named: active
dns: active
== Contrail kubernetes ==
kube-manager: active
== Contrail database ==
kafka: active
nodemgr: initializing (NTP state unsynchronized. ) . <-- Safe to ignore
zookeeper: inactive <-- Safe to ignore
cassandra: active
== Contrail analytics ==
nodemgr: initializing (NTP state unsynchronized. ) . <-- Safe to ignore
api: active
collector: active
query-engine: active
alarm-gen: active
== Contrail webui ==
web: active
job: active
== Contrail vrouter ==
nodemgr: initializing (NTP state unsynchronized. ) <-- Safe to ignore
agent: active
== Contrail config ==
api: active
zookeeper: inactive <-- Safe to ignore
svc-monitor: active
nodemgr: initializing (NTP state unsynchronized. ) . <-- Safe to ignore
device-manager: active
cassandra: active
rabbitmq: active
schema: active