diff options
Diffstat (limited to 'resources/libraries/bash/shell/k8s_utils.sh')
-rw-r--r-- | resources/libraries/bash/shell/k8s_utils.sh | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/resources/libraries/bash/shell/k8s_utils.sh b/resources/libraries/bash/shell/k8s_utils.sh new file mode 100644 index 0000000000..55d3d815c9 --- /dev/null +++ b/resources/libraries/bash/shell/k8s_utils.sh @@ -0,0 +1,125 @@ +#!/bin/bash +# Copyright (c) 2018 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +function k8s_utils.destroy { + # Destroy existing Kubernetes deployment + kubectl drain $HOSTNAME --delete-local-data --force --ignore-daemonsets + kubectl delete node $HOSTNAME + + # Revert any changes made to this host by 'kubeadm init' or 'kubeadm join' + sudo kubeadm reset && sudo rm -rf $HOME/.kube || \ + { echo "Failed to reset kubeadm"; exit 1; } +} + +function k8s_utils.prepare { + # Sets up the Kubernetes master + + # Disable swap + sudo swapoff --all + + # Set up the Kubernetes master + sudo -E kubeadm init --token-ttl 0 ${1} || \ + { echo "Failed to init kubeadm"; exit 1; } + + # Make cgroup non-exclusive for CPU and MEM + sudo cgset -r cpuset.cpu_exclusive=0 /kubepods + sudo cgset -r cpuset.mem_exclusive=0 /kubepods + + rm -rf $HOME/.kube + mkdir -p $HOME/.kube + sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config + sudo chown $(id -u):$(id -g) $HOME/.kube/config +} + +function k8s_utils.taint { + # Updates the taints + kubectl taint nodes --all node-role.kubernetes.io/master- || \ + { echo "Failed to taint nodes"; exit 1; } +} + +function k8s_utils.calico_deploy { + # Calico yaml URL or file + k8s_calico=$1 + + # Apply resources + kubectl apply -f ${k8s_calico} || \ + { echo "Failed to apply ${k8s_calico}"; exit 1; } + + # Update the taints + k8s_utils.taint +} + +function k8s_utils.contiv_vpp_deploy { + # Contiv yaml URL or file + k8s_contiv=$1 + k8s_contiv_patch="kubecon.contiv-vpp-yaml-patch.diff" + + # Pull the most recent Docker images + bash <(curl -s https://raw.githubusercontent.com/contiv/vpp/master/k8s/pull-images.sh) + + # Apply resources + wget ${k8s_contiv} + patch contiv-vpp.yaml -i ${k8s_contiv_patch} -o - | kubectl apply -f - || \ + { echo "Failed to apply Contiv resources"; exit 1; } + rm contiv-vpp.yaml + + # Update the taints + k8s_utils.taint +} + +function k8s_utils.cri_shim_install { + # Install the CRI Shim on host + sudo su root -c 'bash <(curl -s https://raw.githubusercontent.com/contiv/vpp/master/k8s/cri-install.sh)' +} + +function k8s_utils.cri_shim_uninstall { + # Uninstall the CRI Shim on host + sudo su root -c 'bash <(curl -s https://raw.githubusercontent.com/contiv/vpp/master/k8s/cri-install.sh) --uninstall' +} + +function k8s_utils.kube_proxy_install { + # Installing custom version of Kube-Proxy to enable Kubernetes services + bash <(curl -s https://raw.githubusercontent.com/contiv/vpp/master/k8s/proxy-install.sh) +} + +function k8s_utils.apply { + # Resource yaml URL or file + k8s_resource=$1 + + # Apply resources + kubectl apply -f ${k8s_resource} || \ + { echo "Failed to apply ${k8s_resource}"; exit 1; } +} + +function k8s_utils.resource_delete { + # Resource yaml URL or file + k8s_resource=$1 + + # Delete resources + kubectl delete -f ${k8s_resource} || \ + { echo "Failed to delete ${k8s_resource}"; exit 1; } +} + +function k8s_utils.affinity_non_vpp { + # Set affinity for all non VPP docker containers to CPU 0 + for i in `sudo docker ps --format "{{.ID}} {{.Names}}" | grep -v vpp | cut -d' ' -f1`; do + sudo docker update --cpuset-cpus 0 ${i} + done +} + +function k8s_utils.dump_all { + # Dumps the kubernetes objects + kubectl get all --all-namespaces + kubectl describe nodes +} |