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54 lines
1.4 KiB
Bash
54 lines
1.4 KiB
Bash
#!/usr/bin/env bash
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# Echo commands
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set -o xtrace
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# Exit on error to stop unexpected errors
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set -o errexit
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# Keep track of the current directory
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TOOLS_DIR=$(cd $(dirname "$0") && pwd)
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TOP_DIR=`cd $TOOLS_DIR/..; pwd`
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# Change dir to top of devstack
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cd $TOP_DIR
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# Echo usage
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usage() {
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echo "Cache OpenStack dependencies on a uec image to speed up performance."
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echo ""
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echo "Usage: $0 [full path to raw uec base image]"
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}
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# Make sure this is a raw image
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if ! qemu-img info $1 | grep -q "file format: raw"; then
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usage
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exit 1
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fi
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# Make sure we are in the correct dir
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if [ ! -d files/apts ]; then
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echo "Please run this script from devstack/tools/"
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exit 1
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fi
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# Mount the image
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STAGING_DIR=/tmp/`echo $1 | sed "s/\//_/g"`.stage
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mkdir -p $STAGING_DIR
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umount $STAGING_DIR || true
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sleep 1
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mount -t ext4 -o loop $1 $STAGING_DIR
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# Make sure that base requirements are installed
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cp /etc/resolv.conf $STAGING_DIR/etc/resolv.conf
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# Perform caching on the base image to speed up subsequent runs
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chroot $STAGING_DIR apt-get update
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chroot $STAGING_DIR apt-get install -y --download-only `cat files/apts/* | grep NOPRIME | cut -d\# -f1`
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chroot $STAGING_DIR apt-get install -y --force-yes `cat files/apts/* | grep -v NOPRIME | cut -d\# -f1` || true
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mkdir -p $STAGING_DIR/var/cache/pip
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PIP_DOWNLOAD_CACHE=/var/cache/pip chroot $STAGING_DIR pip install `cat files/pips/*` || true
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# Unmount
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umount $STAGING_DIR
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