#!/bin/bash # Copyright 2014 Google Inc. All rights reserved. # # 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. # A library of helper functions that each provider hosting Kubernetes must implement to use cluster/kube-*.sh scripts. KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../.. source "${KUBE_ROOT}/cluster/vagrant/${KUBE_CONFIG_FILE-"config-default.sh"}" function detect-master () { echo "KUBE_MASTER_IP: ${KUBE_MASTER_IP}" } # Get minion IP addresses and store in KUBE_MINION_IP_ADDRESSES[] function detect-minions { echo "Minions already detected" } # Verify prereqs on host machine function verify-prereqs { for x in vagrant virtualbox; do if ! which "$x" >/dev/null; then echo "Can't find $x in PATH, please fix and retry." exit 1 fi done } # Instantiate a kubernetes cluster function kube-up { get-password vagrant up echo "Each machine instance has been created." echo " Now waiting for the Salt provisioning process to complete on each machine." echo " This can take some time based on your network, disk, and cpu speed." echo " It is possible for an error to occur during Salt provision of cluster and this could loop forever." # verify master has all required daemons echo "Validating master" local machine="master" local -a required_daemon=("salt-master" "salt-minion" "apiserver" "nginx" "controller-manager" "scheduler") local validated="1" until [[ "$validated" == "0" ]]; do validated="0" local daemon for daemon in "${required_daemon[@]}"; do vagrant ssh "$machine" -c "which '${daemon}'" >/dev/null 2>&1 || { printf "." validated="1" sleep 2 } done done # verify each minion has all required daemons local i for (( i=0; i<${#MINION_NAMES[@]}; i++)); do echo "Validating ${VAGRANT_MINION_NAMES[$i]}" local machine=${VAGRANT_MINION_NAMES[$i]} local -a required_daemon=("salt-minion" "kubelet" "docker") local validated="1" until [[ "$validated" == "0" ]]; do validated="0" local daemon for daemon in "${required_daemon[@]}"; do vagrant ssh "$machine" -c "which $daemon" >/dev/null 2>&1 || { printf "." validated="1" sleep 2 } done done done echo echo "Waiting for each minion to be registered with cloud provider" for (( i=0; i<${#MINION_NAMES[@]}; i++)); do local machine="${MINION_NAMES[$i]}" local count="0" until [[ "$count" == "1" ]]; do local minions minions=$("${KUBE_ROOT}/cluster/kubecfg.sh" -template '{{range.Items}}{{.ID}}:{{end}}' list minions) count=$(echo $minions | grep -c "${MINION_NAMES[i]}") || { printf "." sleep 2 count="0" } done done echo echo "Kubernetes cluster created." echo echo "Kubernetes cluster is running. The master is running at:" echo echo " https://${KUBE_MASTER_IP}" echo echo "The user name and password to use is located in ~/.kubernetes_auth." echo } # Delete a kubernetes cluster function kube-down { vagrant destroy -f } # Update a kubernetes cluster with latest source function kube-push { vagrant provision } # Execute prior to running tests to build a release if required for env function test-build-release { echo "Vagrant provider can skip release build" } # Execute prior to running tests to initialize required structure function test-setup { echo "Vagrant test setup complete" } # Execute after running tests to perform any required clean-up function test-teardown { echo "Vagrant ignores tear-down" } # Set the {user} and {password} environment values required to interact with provider function get-password { export KUBE_USER=vagrant export KUBE_PASSWORD=vagrant echo "Using credentials: $KUBE_USER:$KUBE_PASSWORD" }