CSIT-870 Kubernetes/Ligato integration

[csit.git] / resources / libraries / bash / shell / k8s_utils.sh

diff --git a/resources/libraries/bash/shell/k8s_utils.sh b/resources/libraries/bash/shell/k8s_utils.sh
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+#!/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
+}