371 lines
12 KiB
Bash
Executable File
371 lines
12 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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set -e
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usage() {
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echo
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echo "Usage: $(basename $0)"
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echo " [-a i386 | **amd64** | armhf ]"
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echo " [-b **haproxy** ]"
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echo " [-c **~/.cache/image-create** | <cache directory> ]"
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echo " [-d **xenial** | trusty | <other release id> ]"
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echo " [-h]"
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echo " [-i **ubuntu** | fedora | centos | rhel ]"
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echo " [-n]"
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echo " [-o **amphora-x64-haproxy** | <filename> ]"
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echo " [-r <root password> ]"
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echo " [-s **2** | <size in GB> ]"
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echo " [-t **qcow2** | tar | vhd ]"
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echo " [-v]"
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echo " [-w <working directory> ]"
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echo
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echo " '-a' is the architecture type for the image (default: amd64)"
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echo " '-b' is the backend type (default: haproxy)"
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echo " '-c' is the path to the cache directory (default: ~/.cache/image-create)"
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echo " '-d' distribution release id (default on ubuntu: xenial)"
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echo " '-h' display this help message"
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echo " '-i' is the base OS (default: ubuntu)"
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echo " '-n' disable sshd (default: enabled)"
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echo " '-o' is the output image file name"
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echo " '-r' enable the root account in the generated image (default: disabled)"
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echo " '-s' is the image size to produce in gigabytes (default: 2)"
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echo " '-t' is the image type (default: qcow2)"
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echo " '-v' display the script version"
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echo " '-w' working directory for image building (default: .)"
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echo " '-x' enable tracing for diskimage-builder"
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echo
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exit 1
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}
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version() {
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echo "Amphora disk image creation script version:"\
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"`cat $OCTAVIA_REPO_PATH/diskimage-create/version.txt`"
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exit 1
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}
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find_system_elements() {
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# List of possible system installation directories
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local system_prefixes="/usr/share /usr/local/share"
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for prefix in $system_prefixes; do
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if [ -d $prefix/$1 ]; then
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echo $prefix/$1
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return
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fi
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done
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}
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# Figure out where our directory is located
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if [ -z $OCTAVIA_REPO_PATH ]; then
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AMP_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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OCTAVIA_REPO_PATH=${OCTAVIA_REPO_PATH:-${AMP_DIR%/*}}
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fi
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dib_enable_tracing=
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while getopts "a:b:c:d:hi:no:t:r:s:vw:x" opt; do
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case $opt in
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a)
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AMP_ARCH=$OPTARG
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if [ $AMP_ARCH != "i386" ] && \
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[ $AMP_ARCH != "amd64" ] && \
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[ $AMP_ARCH != "armhf" ]; then
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echo "Error: Unsupported architecture " $AMP_ARCH " specified"
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exit 3
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fi
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;;
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b)
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if [ $OPTARG == "haproxy" ]; then
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AMP_BACKEND=$OPTARG-octavia
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else
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echo "Error: Unsupported backend type " $AMP_BACKEND " specified"
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exit 3
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fi
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;;
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c)
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AMP_CACHEDIR=$OPTARG
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;;
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d)
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AMP_DIB_RELEASE=$OPTARG
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;;
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h)
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usage
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;;
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i)
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AMP_BASEOS=$OPTARG
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if [ $AMP_BASEOS != "ubuntu" ] && \
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[ $AMP_BASEOS != "fedora" ] && \
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[ $AMP_BASEOS != "centos" ] && \
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[ $AMP_BASEOS != "rhel" ]; then
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echo "Error: Unsupported base OS " $AMP_BASEOS " specified"
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exit 3
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fi
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;;
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n)
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AMP_DISABLE_SSHD=1
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;;
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o)
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AMP_OUTPUTFILENAME=$(readlink -f $OPTARG)
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;;
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t)
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AMP_IMAGETYPE=$OPTARG
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if [ $AMP_IMAGETYPE != "qcow2" ] && \
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[ $AMP_IMAGETYPE != "tar" ] && \
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[ $AMP_IMAGETYPE != "vhd" ]; then
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echo "Error: Unsupported image type " $AMP_IMAGETYPE " specified"
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exit 3
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fi
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;;
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r)
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AMP_ROOTPW=$OPTARG
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;;
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s)
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AMP_IMAGESIZE=$OPTARG
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if ! [[ $AMP_IMAGESIZE =~ ^[0-9]+$ ]]; then
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echo "Error: Invalid image size " $AMP_IMAGESIZE " specified"
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exit 3
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fi
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;;
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v)
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version
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;;
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w)
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AMP_WORKING_DIR=$OPTARG
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;;
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x) dib_enable_tracing=1
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;;
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*)
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usage
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;;
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esac
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done
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shift $((OPTIND-1))
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if [ "$1" ]; then
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usage
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fi
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# Set the Octavia Amphora defaults if they aren't already set
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AMP_ARCH=${AMP_ARCH:-"amd64"}
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AMP_BACKEND=${AMP_BACKEND:-"haproxy-octavia"}
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AMP_CACHEDIR=${AMP_CACHEDIR:-"$HOME/.cache/image-create"}
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AMP_BASEOS=${AMP_BASEOS:-"ubuntu"}
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if [ "$AMP_BASEOS" = "ubuntu" ]; then
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export DIB_RELEASE=${AMP_DIB_RELEASE:-"xenial"}
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else
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export DIB_RELEASE=${AMP_DIB_RELEASE}
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fi
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AMP_OUTPUTFILENAME=${AMP_OUTPUTFILENAME:-"$PWD/amphora-x64-haproxy"}
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AMP_IMAGETYPE=${AMP_IMAGETYPE:-"qcow2"}
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AMP_IMAGESIZE=${AMP_IMAGESIZE:-2}
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AMP_DISABLE_SSHD=${AMP_DISABLE_SSHD:-0}
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if [ "$AMP_BASEOS" = "rhel" ] && [ "$AMP_IMAGESIZE" -lt 3 ]; then
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echo "RHEL based amphora requires an image size of at least 3GB"
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exit 1
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fi
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OCTAVIA_ELEMENTS_PATH=$OCTAVIA_REPO_PATH/elements
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if ! [ -d $OCTAVIA_ELEMENTS_PATH ]; then
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SYSTEM_OCTAVIA_ELEMENTS_PATH=$(find_system_elements octavia-image-elements)
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if [ -z ${SYSTEM_OCTAVIA_ELEMENTS_PATH} ]; then
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echo "ERROR: Octavia elements directory not found at: " $OCTAVIA_ELEMENTS_PATH " Exiting."
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exit 1
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fi
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OCTAVIA_ELEMENTS_PATH=${SYSTEM_OCTAVIA_ELEMENTS_PATH}
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fi
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DIB_REPO_PATH=${DIB_REPO_PATH:-${OCTAVIA_REPO_PATH%/*}/diskimage-builder}
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if [ -d $DIB_REPO_PATH ]; then
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export PATH=$PATH:$DIB_REPO_PATH/bin
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else
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if ! disk-image-create --version > /dev/null 2>&1; then
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echo "ERROR: diskimage-builder repo directory not found at: " $DIB_REPO_PATH " or in path. Exiting."
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exit 1
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fi
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fi
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# For system-wide installs, DIB will automatically find the elements, so we only check local path
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if [ "$DIB_LOCAL_ELEMENTS_PATH" ]; then
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export ELEMENTS_PATH=$OCTAVIA_ELEMENTS_PATH:$DIB_LOCAL_ELEMENTS_PATH
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else
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export ELEMENTS_PATH=$OCTAVIA_ELEMENTS_PATH
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fi
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export CLOUD_INIT_DATASOURCES=${CLOUD_INIT_DATASOURCES:-"ConfigDrive"}
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# Additional RHEL environment checks
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if [ "${AMP_BASEOS}" = "rhel" ]; then
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if [ -z "${DIB_LOCAL_IMAGE}" ]; then
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echo "DIB_LOCAL_IMAGE variable must be set and point to a RHEL 7 base cloud image. Exiting."
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echo "For more information, see the README file in ${DIB_ELEMENTS_PATH}/elements/rhel7"
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exit 1
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fi
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fi
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# Find out what platform we are on
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if [ -e /etc/os-release ]; then
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platform=$(head -1 /etc/os-release)
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else
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platform=$(head -1 /etc/system-release | grep -e CentOS -e 'Red Hat Enterprise Linux' || :)
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if [ -z "$platform" ]; then
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echo -e "Unknown Host OS. Impossible to build images.\nAborting"
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exit 2
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fi
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fi
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if [ "$AMP_ROOTPW" ] && [ "$platform" != 'NAME="Ubuntu"' ]; then
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if [ "$(getenforce)" == "Enforcing" ]; then
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echo "A root password cannot be enabled for images built on this platform while SELinux is enabled."
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exit 1
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fi
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fi
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if [ "$AMP_ROOTPW" ]; then
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echo "Warning: Using a root password in the image, NOT FOR PRODUCTION USAGE."
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fi
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# Make sure we have the required packages installed
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if [ "$platform" = 'NAME="Ubuntu"' ]; then
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PKG_LIST="qemu git"
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for pkg in $PKG_LIST; do
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if ! dpkg --get-selections | grep -q "^$pkg[[:space:]]*install$" >/dev/null; then
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echo "Required package " $pkg " is not installed. Exiting."
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exit 1
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fi
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done
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# Also check if we can build the BASEOS on this Ubuntu version
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UBUNTU_VERSION=`lsb_release -r | awk '{print $2}'`
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if [ "$AMP_BASEOS" != "ubuntu" ] && \
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[ 1 -eq $(echo "$UBUNTU_VERSION < 14.04" | bc) ]; then
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echo "Ubuntu minimum version 14.04 required to build $AMP_BASEOS."
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echo "Earlier versions don't support the extended attributes required."
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exit 1
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fi
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elif [[ $platform =~ "SUSE" ]]; then
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# OpenSUSE
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# use rpm -q to check for qemu-tools and git-core
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PKG_LIST="qemu-tools git-core"
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for pkg in $PKG_LIST; do
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if ! rpm -q $pkg &> /dev/null; then
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echo "Required package " ${pkg/\*} " is not installed. Exiting."
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exit 1
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fi
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done
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else
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# fedora/centos/rhel
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# Actual qemu-img name may be qemu-img, qemu-img-ev, qemu-img-rhev, ...
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# "yum install qemu-img" works for all, but search requires wildcard
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PKG_LIST="qemu-img* git"
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for pkg in $PKG_LIST; do
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if ! yum info installed $pkg &> /dev/null; then
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echo "Required package " ${pkg/\*} " is not installed. Exiting."
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exit 1
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fi
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done
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fi
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if [ "$AMP_WORKING_DIR" ]; then
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mkdir -p $AMP_WORKING_DIR
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TEMP=$(mktemp -d $AMP_WORKING_DIR/diskimage-create.XXXXXX)
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else
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TEMP=$(mktemp -d diskimage-create.XXXXXX)
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fi
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pushd $TEMP > /dev/null
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# Setup the elements list
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if [ "$AMP_BASEOS" = "ubuntu" ]; then
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AMP_element_sequence=${AMP_element_sequence:-"base vm ubuntu"}
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elif [ "$AMP_BASEOS" = "fedora" ]; then
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AMP_element_sequence=${AMP_element_sequence:-"base vm fedora selinux-permissive"}
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elif [ "$AMP_BASEOS" = "centos" ]; then
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AMP_element_sequence=${AMP_element_sequence:-"base vm centos7 selinux-permissive"}
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elif [ "$AMP_BASEOS" = "rhel" ]; then
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AMP_element_sequence=${AMP_element_sequence:-"base vm rhel7 selinux-permissive"}
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fi
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# Add our backend element (haproxy, etc.)
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AMP_element_sequence="$AMP_element_sequence $AMP_BACKEND"
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if [ "$AMP_ROOTPW" ]; then
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AMP_element_sequence="$AMP_element_sequence root-passwd"
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export DIB_PASSWORD=$AMP_ROOTPW
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fi
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# Add the Amphora Agent and Pyroute elements
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if [ "$AMP_BASEOS" = "ubuntu" ]; then
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AMP_element_sequence="$AMP_element_sequence rebind-sshd"
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AMP_element_sequence="$AMP_element_sequence no-resolvconf"
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AMP_element_sequence="$AMP_element_sequence amphora-agent"
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elif [ "$AMP_BASEOS" = "rhel" ]; then
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AMP_element_sequence="$AMP_element_sequence no-resolvconf"
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AMP_element_sequence="$AMP_element_sequence amphora-agent-rhel"
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else
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AMP_element_sequence="$AMP_element_sequence no-resolvconf"
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AMP_element_sequence="$AMP_element_sequence amphora-agent"
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fi
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# Add keepalived-octavia element
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AMP_element_sequence="$AMP_element_sequence keepalived-octavia"
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# Add pip-cache element
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AMP_element_sequence="$AMP_element_sequence pip-cache"
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# Add certificate ramfs element
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AMP_element_sequence="$AMP_element_sequence certs-ramfs"
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# Disable SSHD if requested
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if [ "$AMP_DISABLE_SSHD" -eq 1 ]; then
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AMP_element_sequence="$AMP_element_sequence remove-sshd"
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fi
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# Allow full elements override
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if [ "$DIB_ELEMENTS" ]; then
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AMP_element_sequence="$DIB_ELEMENTS"
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fi
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if [ "$DIB_LOCAL_ELEMENTS" ]; then
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AMP_element_sequence="$AMP_element_sequence $DIB_LOCAL_ELEMENTS"
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fi
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# Build the image
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if [ "$AMP_BASEOS" = "ubuntu" ]; then
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export DIB_CLOUD_INIT_DATASOURCES=$CLOUD_INIT_DATASOURCES
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fi
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dib_trace_arg=
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if [ -n "$dib_enable_tracing" ]; then
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dib_trace_arg="-x"
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fi
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disk-image-create $dib_trace_arg -a $AMP_ARCH -o $AMP_OUTPUTFILENAME -t $AMP_IMAGETYPE --image-size $AMP_IMAGESIZE --image-cache $AMP_CACHEDIR $AMP_element_sequence
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popd > /dev/null # out of $TEMP
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rm -rf $TEMP
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