Create install-cni-multitenancy-plugin.sh

Author: sharmasushant

scripts/install-cni-multitenancy-plugin.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+# Installs azure-vnet CNI plugins on a Linux node.
+
+# Arguments.
+PLUGIN_VERSION=$1
+CNI_VERSION=$2
+CNI_BIN_DIR=/opt/cni/bin
+CNI_NETCONF_DIR=/etc/cni/net.d
+
+function usage
+{
+    printf "Installs azure-vnet CNI plugins.\n"
+    printf "Usage: install-cni-plugin version [cniVersion]\n"
+}
+
+if [ "$PLUGIN_VERSION" = "" ]; then
+    usage
+    exit 1
+fi
+
+if [ "$CNI_VERSION" = "" ]; then
+    CNI_VERSION=v0.4.0
+fi
+
+# Create CNI directories.
+printf "Creating CNI directories.\n"
+mkdir -p $CNI_BIN_DIR
+mkdir -p $CNI_NETCONF_DIR
+
+# Install ebtables.
+if [ ! -e /sbin/ebtables ]
+then
+    printf "Installing ebtables package..."
+    apt-get update
+    apt-get install -y ebtables
+    printf "done.\n"
+else
+    echo "Package ebtables is already installed."
+fi
+/sbin/ebtables --list > /dev/null
+
+# Install azure-vnet CNI plugins.
+printf "Installing azure-vnet CNI plugin for multitenancy version $PLUGIN_VERSION to $CNI_BIN_DIR..."
+/usr/bin/curl -sSL https://github.com/Azure/azure-container-networking/releases/download/$PLUGIN_VERSION/azure-vnet-cni-multitenancy-linux-amd64-$PLUGIN_VERSION.tgz > $CNI_BIN_DIR/azure-vnet.tgz
+tar -xzf $CNI_BIN_DIR/azure-vnet.tgz -C $CNI_BIN_DIR
+printf "done.\n"
+
+# Install azure-vnet CNI network configuration file.
+printf "Installing azure-vnet CNI network configuration file to $CNI_NETCONF_DIR..."
+mv $CNI_BIN_DIR/*.conflist $CNI_NETCONF_DIR
+printf "done.\n"
+
+# Install loopback plugin.
+printf "Installing loopback CNI plugin version $CNI_VERSION to $CNI_BIN_DIR..."
+/usr/bin/curl -sSL https://github.com/containernetworking/cni/releases/download/$CNI_VERSION/cni-amd64-$CNI_VERSION.tgz > $CNI_BIN_DIR/cni.tgz
+tar -xzf $CNI_BIN_DIR/cni.tgz -C $CNI_BIN_DIR ./loopback
+printf "done.\n"
+
+# Cleanup.
+rm $CNI_BIN_DIR/*.tgz
+chown root:root $CNI_BIN_DIR/*
+
+printf "azure-vnet CNI plugin is successfully installed.\n"