manila-image-elements/bin/manila-image-create
2016-03-14 16:03:17 +00:00

255 lines
7.8 KiB
Bash

#!/bin/bash
set -eu
set -o pipefail
SCRIPT_HOME=$(dirname $(readlink -f $0))
if [ -d $SCRIPT_HOME/../share/manila-elements ]; then
_PREFIX=$SCRIPT_HOME/../share/manila-elements
elif [ -d $SCRIPT_HOME/../../../elements ]; then
_PREFIX=$SCRIPT_HOME/../../..
else
_PREFIX=$SCRIPT_HOME/..
fi
export ELEMENTS_PATH=$_PREFIX/elements
# Detect which image should be created
# generic - qcow image for VM
# lxd - tar for LXD
MANILA_IMAGE_TYPE=${1:-"generic"}
if [ "$MANILA_IMAGE_TYPE" != "generic" ] && [ "$MANILA_IMAGE_TYPE" != "lxd" ]; then
echo -e "Image type $MANILA_IMAGE_TYPE is not supported."
exit 2
fi
echo
echo "Build image: $MANILA_IMAGE_TYPE"
echo
# Collect configuration
# --------------------
# Development options:
DIB_UPDATE_REQUESTED=${DIB_UPDATE_REQUESTED:-true}
USE_OFFLINE_MODE=${USE_OFFLINE_MODE:-"yes"}
ENABLE_DEBUG_MODE=${ENABLE_DEBUG_MODE:-"no"}
DISABLE_IMG_COMPRESSION=${DISABLE_IMG_COMPRESSION:-"no"}
# Manila user settings
MANILA_USER=${MANILA_USER:-"manila"}
MANILA_PASSWORD=${MANILA_PASSWORD:-"manila"}
MANILA_USER_AUTHORIZED_KEYS="None"
# Manila image settings
MANILA_IMG_ARCH=${MANILA_IMG_ARCH:-"i386"}
MANILA_IMG_OS=${MANILA_IMG_OS:-"manila-ubuntu-core"}
MANILA_IMG_OS_VER=${MANILA_IMG_OS_VER:-"trusty"}
MANILA_IMG_NAME=${MANILA_IMG_NAME:-"manila-service-image"}
MANILA_LXD_METADATA_PACKAGE_NAME=${MANILA_LXD_METADATA_PACKAGE_NAME:-"manila-lxd-meta"}
# Manila features
MANILA_ENABLE_NFS_SUPPORT=${MANILA_ENABLE_NFS_SUPPORT:-"yes"}
MANILA_ENABLE_CIFS_SUPPORT=${MANILA_ENABLE_CIFS_SUPPORT:-"yes"}
# Manila Generic share driver replication feature requires ZFS:
MANILA_ENABLE_ZFS_SUPPORT=${MANILA_ENABLE_ZFS_SUPPORT:-"no"}
# Verify configuration
# --------------------
if [ "$MANILA_IMAGE_TYPE" = "lxd" ]; then
REQUIRED_ELEMENTS="manila-container $MANILA_IMG_OS"
IMAGE_FORMAT="tar"
MANILA_ENABLE_ZFS_SUPPORT="no"
export INSTALL_KERNEL=false
else
REQUIRED_ELEMENTS="manila-ssh vm $MANILA_IMG_OS dhcp-all-interfaces cleanup-kernel-initrd"
IMAGE_FORMAT="qcow"
fi
OPTIONAL_ELEMENTS=
OPTIONAL_DIB_ARGS=
if [ "$MANILA_ENABLE_CIFS_SUPPORT" != "yes" ] && [ "$MANILA_ENABLE_NFS_SUPPORT" != "yes" ]; then
echo "You should enable NFS or CIFS support for manila image."
fi
if [ "$MANILA_ENABLE_NFS_SUPPORT" = "yes" ]; then
if [ "$MANILA_IMAGE_TYPE" = "lxd" ]; then
OPTIONAL_ELEMENTS="$OPTIONAL_ELEMENTS manila-ganesha-nfs manila-unfs3"
else
OPTIONAL_ELEMENTS="$OPTIONAL_ELEMENTS manila-nfs"
fi
fi
if [ "$MANILA_ENABLE_CIFS_SUPPORT" = "yes" ]; then
OPTIONAL_ELEMENTS="$OPTIONAL_ELEMENTS manila-cifs"
fi
if [ "$MANILA_ENABLE_ZFS_SUPPORT" = "yes" ]; then
OPTIONAL_ELEMENTS="$OPTIONAL_ELEMENTS manila-zfs"
fi
if [ "$USE_OFFLINE_MODE" = "yes" ]; then
OPTIONAL_DIB_ARGS="$OPTIONAL_DIB_ARGS -offline"
fi
if [ "$ENABLE_DEBUG_MODE" = "yes" ]; then
OPTIONAL_DIB_ARGS="$OPTIONAL_DIB_ARGS -x"
MANILA_USER_AUTHORIZED_KEYS=${MANILA_USER_AUTHORIZED_KEYS:-"$HOME/.ssh/id_rsa.pub"}
fi
if [ "$DISABLE_IMG_COMPRESSION" = "yes" ]; then
OPTIONAL_DIB_ARGS="$OPTIONAL_DIB_ARGS -u"
fi
if [ "$MANILA_IMG_OS" = "manila-ubuntu-core" ] && [ "$MANILA_IMG_OS_VER" != "trusty" ]; then
echo "manila-ubuntu-core doesn't support '$MANILA_IMG_OS_VER' release."
echo "Change MANILA_IMG_OS to 'ubuntu' if you need another release."
fi
# Verify dependencies
# -------------------
if [ -e /etc/os-release ]; then
platform=$(cat /etc/os-release | awk -F= '/^ID=/ {print tolower($2);}')
# remove eventual quotes around ID=...
platform=$(echo $platform | sed -e 's,^",,;s,"$,,')
elif [ -e /etc/system-release ]; then
case "$(head -1 /etc/system-release)" in
"Red Hat Enterprise Linux Server"*)
platform=rhel
;;
"CentOS"*)
platform=centos
;;
*)
echo -e "Unknown value in /etc/system-release. Impossible to build images.\nAborting"
exit 2
;;
esac
else
echo -e "Unknown host OS. Impossible to build images.\nAborting"
exit 2
fi
is_installed() {
if [ "$platform" = 'ubuntu' ]; then
dpkg -s "$1" &> /dev/null
else
# centos, fedora, opensuse, or rhel
if ! rpm -q "$1" &> /dev/null; then
rpm -q "$(rpm -q --whatprovides "$1")"
fi
fi
}
need_required_packages() {
case "$platform" in
"ubuntu")
package_list="qemu kpartx"
;;
"fedora")
package_list="qemu-img kpartx"
;;
"opensuse")
package_list="qemu kpartx"
;;
"rhel" | "centos")
package_list="qemu-kvm qemu-img kpartx"
;;
*)
echo -e "Unknown platform '$platform' for the package list.\nAborting"
exit 2
;;
esac
for p in `echo $package_list`; do
if ! is_installed $p; then
return 0
fi
done
return 1
}
if need_required_packages; then
# install required packages if requested
if [ -n "$DIB_UPDATE_REQUESTED" ]; then
case "$platform" in
"ubuntu")
sudo apt-get update
sudo apt-get install $package_list -y
;;
"opensuse")
sudo zypper --non-interactive --gpg-auto-import-keys in $package_list
;;
"fedora" | "rhel" | "centos")
if [ ${platform} = "centos" ]; then
# install EPEL repo, in order to install argparse
sudo rpm -Uvh --force http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
fi
sudo yum install $package_list -y
;;
*)
echo -e "Unknown platform '$platform' for installing packages.\nAborting"
exit 2
;;
esac
else
echo "Missing one of the following packages: $package_list"
echo "Please install manually or rerun with the update option (-u)."
exit 1
fi
fi
# Export diskimage-builder settings
# ---------------------------------
export DIB_DEFAULT_INSTALLTYPE=package
export DIB_RELEASE=$MANILA_IMG_OS_VER
# User settings
export DIB_MANILA_USER_USERNAME=$MANILA_USER
export DIB_MANILA_USER_PASSWORD=$MANILA_PASSWORD
export DIB_MANILA_USER_AUTHORIZED_KEYS=$MANILA_USER_AUTHORIZED_KEYS
# Build image
# -----------
disk-image-create \
-t $IMAGE_FORMAT \
-a $MANILA_IMG_ARCH \
$OPTIONAL_DIB_ARGS \
-o $MANILA_IMG_NAME \
$OPTIONAL_ELEMENTS $REQUIRED_ELEMENTS
if [ "$MANILA_IMAGE_TYPE" = "lxd" ]; then
LXD_IMAGE_DIR=$_PREFIX/lxd-image.d
mkdir $LXD_IMAGE_DIR >/dev/null 2>&1 || rm -fR $LXD_IMAGE_DIR/*
mkdir $LXD_IMAGE_DIR/rootfs >/dev/null 2>&1 || rm -fR $LXD_IMAGE_DIR/rootfs/*
# Create LXD metadata package
cp -R $_PREFIX/data/lxd/meta/* $LXD_IMAGE_DIR
# Update creation timestamp in metafile
sed -i "s/%CREATION_DATE%/$(date +%s)/g" $LXD_IMAGE_DIR/metadata.yaml
# Create package
echo "Creating LXD metadata package..."
tar -cf $_PREFIX/$MANILA_LXD_METADATA_PACKAGE_NAME.tar \
-C $LXD_IMAGE_DIR templates metadata.yaml
echo "Done. Metadata could be found here: $_PREFIX/$MANILA_LXD_METADATA_PACKAGE_NAME.tar"
# Create sys and proc directories required by LXD
mkdir -p $LXD_IMAGE_DIR/tmp/sys >/dev/null 2>&1 || echo "sys folder already exists in rootfs."
mkdir -p $LXD_IMAGE_DIR/tmp/proc >/dev/null 2>&1 || echo "proc folder already exists in rootfs."
sudo $_PREFIX/tools/add_to_rootfs_tar $_PREFIX/$MANILA_IMG_NAME.tar \
$LXD_IMAGE_DIR/tmp/sys /./sys/
sudo $_PREFIX/tools/add_to_rootfs_tar $_PREFIX/$MANILA_IMG_NAME.tar \
$LXD_IMAGE_DIR/tmp/proc /./proc/
rm -fR $LXD_IMAGE_DIR/tmp
# Compress rootfs
echo "Compressing rootfs package..."
sudo xz -f $_PREFIX/$MANILA_IMG_NAME.tar
echo "Done. rootfs could be found here: $_PREFIX/$MANILA_IMG_NAME.tar.xz"
fi