Devops

Tools&scripts for devops.
Contents

• Container/docker management
• Kubernetes deployment&management
• Networking experiments
• Vagrant tools

Get the scripts

git clone https://github.com/feiskyer/ops.git --recurse-submodules
cd ops

Kubernetes

Create a kubernetes cluster master

• Install kubernetes with docker:

# Setup kubernetes master.
sudo ./kubernetes/install-kubernetes.sh

Add a new node

# Setup token and CIDR first.
# replace this with yours.
export TOKEN="xxxx"
export MASTER_IP="x.x.x.x"
export CONTAINER_CIDR="10.244.2.0/24"

# Setup and join the new node.
sudo ./kubernetes/add-node.sh

Customize

• Use mirrors in China: export USE_MIRROR=true. Only required for Chinese users.
• Container runtime: export CONTAINER_RUNTIME="docker". Supported options:
  • docker
  • containerd
  • cri-o
  • gvisor
• CNI network plugins: export NETWORK_PLUGIN="flannel". Supported options:
  • flannel
  • calico
  • weave
  • azure
  • bridge
• Cluster CIDR: export CLUSTER_CIDR="10.244.0.0/16"
• Container CIDR: export CONTAINER_CIDR="10.244.1.0/24". Only required for bridge network plugin.

Kubernetes manifest examples

See k8s-examples.

Docker

sudo ./kubernetes/install-docker.sh

OVS

• Install ovs: sudo ./ovs/ovs-install.sh
• Start ovn: sudo ./ovs/ovn-start.sh

Misc

• Install golang: sudo ./misc/golang-install.sh