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GettingStarted.md

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Getting started

Prerequisite

  • Linux box with

    • We tested on Ubuntu 14.04 & 16.04

  • Docker installed

  • Kubernetes cluster running with CNI enabled

    • One easy way to bring up a cluster is to use kubeadm:

      Till 1.7 version:

      $ kubeadm init --use-kubernetes-version=v1.7.0 --pod-network-cidr=10.244.0.0/16

      1.8 version onwards:

      $ kubeadm init --pod-network-cidr=10.244.0.0/16

      Next steps:

      $ mkdir -p $HOME/.kube
$ sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
$ sudo chown $(id -u):$(id -g) $HOME/.kube/config
      • To schedule pods on the master, e.g. for a single-machine Kubernetes cluster,

      Till 1.7 version, run:

      $ kubectl taint nodes --all dedicated-

      For 1.8 version onwards, run:

      $ kubectl taint nodes --all node-role.kubernetes.io/master-

  • One (or more) CNI plugin(s) installed, e.g., Canal, Weave, Flannel

    • Use this link to install Canal
    • Use this link to install Weave
    • Use this link to install Flannel

Installing genie components

We install genie as a Docker Container on every node

Till Kubernetes 1.7 version:

$ kubectl apply -f https://raw.githubusercontent.com/Huawei-PaaS/CNI-Genie/master/conf/1.5/genie.yaml

Kubernetes 1.8 version onwards:

CNI-Genie can be installed in the following two modes:

Genie Complete (Installs genie with the support of multi networking as well as network policy implementation):

$ kubectl apply -f https://raw.githubusercontent.com/Huawei-PaaS/CNI-Genie/master/conf/1.8/genie-complete.yaml

Genie Plugin-only (Installs genie with multi networking support):

$ kubectl apply -f https://raw.githubusercontent.com/Huawei-PaaS/CNI-Genie/master/conf/1.8/genie-plugin.yaml

Building, Testing, Making changes to source code

Refer to our Developer's Guide section.

Genie Logs

For now Genie logs are stored in /var/log/syslog To see the logs:

$ cat /dev/null > /var/log/syslog

$ tail -f /var/log/syslog | grep 'CNI'

Troubleshooting

  • Note: on a single node cluster, after your Kubernetes master is initialized successfully, make sure you are able to schedule pods on the master by running:
$ kubectl taint nodes --all node-role.kubernetes.io/master-
  • Note: most plugins use differenet installation files for different Kuberenetes versions. Make sure you use the right one!