remove_deployment refactor
This commit is contained in:
Dennis ten Hoove
parent
ba7abcbe90
commit
0a9c2d7398
1 changed files with 85 additions and 78 deletions
163
arkdep
163
arkdep
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@ -187,13 +187,13 @@ cleanup () {
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for target in ${untracked[@]}; do
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if [[ $target == *recovery* ]]; then
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printf '\e[1;33m<!>\e[0m\e[1m Detected untracked recovery entry, ignoring\n\e[0m'
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break
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continue
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fi
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# Ensure deployment is not currently active
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if grep -q "$arkdep_dir/deployments/$target/rootfs" /proc/cmdline; then
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printf '\e[1;33m<!>\e[0m\e[1m Target is currently active deployment\n\e[0m'
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break
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continue
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fi
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# Remove bootloader entry
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@ -398,7 +398,7 @@ teardown () {
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# Quit with error if $arkdep_dir does not exist
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if [[ ! -d $arkdep_dir ]]; then
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printf "\e[1;31m<#>\e[0m $arkdep_dir does not exist, there is nothing to tear down"
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printf "\e[1;31m<#>\e[0m $arkdep_dir does not exist, there is nothing to tear down\n\e[0m"
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exit 1
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fi
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@ -425,81 +425,90 @@ teardown () {
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remove_deployment () {
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# Ensure required vars are set
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[[ -z $1 ]] && \
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printf 'No deployment defined\n' && exit 1
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# Ensure user only provided a single target
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[[ -n $2 ]] && \
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printf 'Multiple targets provided, remove only accepts a single target at a time\n' && exit 1
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# Ensure requested deployment is tracked
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declare -r hits=($(grep $1 $arkdep_dir/tracker))
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if [[ ${#hits[@]} -gt 1 ]]; then
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# Check if there is an exact match
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for hit in ${hits[@]}; do
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if [[ $1 == $hit ]]; then
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declare -r exact_match_found=1
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# Set first hit to exact match
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hits[0]=$hit
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fi
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done
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if [[ ! $exact_match_found -eq 1 ]]; then
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printf 'Multiple deployments match target, be more specific or provide an exact match\n'
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exit 1
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fi
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elif [[ ${#hits[@]} -lt 1 ]]; then
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printf 'No deployments match target\n'
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if [[ -z $1 ]]; then
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printf '\e[1;31m<#>\e[0m\e[1m No deployment defined\n\e[0m'
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exit 1
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fi
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declare -r target="${hits[0]}"
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for deployment in ${@:2}; do
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# Ensure deployment is not currently active
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if grep -q "$arkdep_dir/deployments/$target/rootfs" /proc/cmdline; then
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printf 'Target is currently active deployment\n'
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exit 0
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fi
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# Ensure requested deployment is tracked
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declare hits=($(grep $deployment $arkdep_dir/tracker))
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# Remove bootloader entry
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rm -rfv $arkdep_boot/loader/entries/$target.conf
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rm -rfv $arkdep_boot/arkdep/$target
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if [[ ${#hits[@]} -gt 1 ]]; then
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# Check if there is an exact match
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for hit in ${hits[@]}; do
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if [[ $1 == $hit ]]; then
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declare -r exact_match_found=1
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# Set first hit to exact match
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hits[0]=$hit
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fi
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done
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if [[ ! $exact_match_found -eq 1 ]]; then
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printf '\e[1;33m<!>\e[0m\e[1m Multiple deployments match target, be more specific or provide an exact match\e[0m\n'
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continue
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fi
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elif [[ ${#hits[@]} -lt 1 ]]; then
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printf '\e[1;33m<!>\e[0m\e[1m No deployments match target\e[0m\n'
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continue
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fi
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declare target=${hits[0]}
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printf "Removing $target\n"
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# Ensure deployment is not currently active
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if grep -q "$arkdep_dir/deployments/$target/rootfs" /proc/cmdline; then
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printf '\e[1;33m<!>\e[0m\e[1m Target is current active deployment\e[0m\n'
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continue
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fi
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# Remove bootloader entry
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rm -rfv $arkdep_boot/loader/entries/$target.conf
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rm -rfv $arkdep_boot/arkdep/$target
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# Ensure the deployment and all sub-volumes are writable
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for volume in $(btrfs subvolume list / | grep -oE '[^ ]+$' | grep $target); do
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btrfs property set -f -ts $(readlink -m $ARKDEP_ROOT/$volume) ro false \
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|| printf "\e[1;33m<!>\e[0m\e[1m Failed to make subvolume $volume writable\e[0m\n"
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done
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# Remove the deployment
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rm -rf $arkdep_dir/deployments/$target
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# Remove from tracker
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grep -v $target $arkdep_dir/tracker > $arkdep_dir/tracker_tmp
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declare tracker_write_exit_code=$?
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# Grep may return a 1 if the file is empty
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if [[ $tracker_write_exit_code -eq 1 ]]; then
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# No matches, this means file is now empty
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truncate -s 0 $arkdep_dir/tracker
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elif [[ $tracker_write_exit_code -eq 2 ]]; then
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# An error occured in grep
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cleanup_and_quit 'Failed to update tracker file'
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fi
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mv $arkdep_dir/tracker_tmp $arkdep_dir/tracker \
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|| cleanup_and_quit 'Failed to move tracker_tmp file to tracker'
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# Remove images from cache if requested
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if [[ $clean_cache_on_remove -eq 1 ]]; then
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# Only attempt remove if file exists
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if ls $arkdep_dir/cache/ | grep $target; then
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rm -v $arkdep_dir/cache/$target.tar.*
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fi
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fi
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# Ensure the deployment and all sub-volumes are writable
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for volume in $(btrfs subvolume list / | grep -oE '[^ ]+$' | grep $target); do
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btrfs property set -f -ts $(readlink -m $ARKDEP_ROOT/$volume) ro false || printf "failed to make subvol $volume writable\n"
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done
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# Remove the deployment
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rm -rf $arkdep_dir/deployments/$target
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# Remove from tracker
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grep -v $target $arkdep_dir/tracker > $arkdep_dir/tracker_tmp
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declare -r tracker_write_exit_code=$?
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# Grep may return a 1 if the file is empty
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if [[ $tracker_write_exit_code -eq 1 ]]; then
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# No matches, this means file is now empty
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truncate -s 0 $arkdep_dir/tracker
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elif [[ $tracker_write_exit_code -eq 2 ]]; then
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# An error occured in grep
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cleanup_and_quit 'Failed to update tracker file'
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if [[ $remove_no_quit -ne 1 ]]; then
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exit 0
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fi
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mv $arkdep_dir/tracker_tmp $arkdep_dir/tracker || cleanup_and_quit 'Failed to move tracker_tmp file to tracker'
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# Remove images from cache if requested
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if [[ $clean_cache_on_remove -eq 1 ]]; then
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# Only attempt remove if file exists
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if ls $arkdep_dir/cache/ | grep $target; then
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rm -v $arkdep_dir/cache/$target.tar.*
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fi
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fi
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exit 0
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}
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# List all available packages defined in the repo's list file
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@ -849,8 +858,8 @@ deploy () {
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# Add to database
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printf '\e[1;34m-->\e[0m\e[1m Updating database\e[0m\n'
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printf "${data[0]}\n$(cat $(readlink -m $arkdep_dir/tracker))" |
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tee $arkdep_dir/tracker.tmp
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mv $arkdep_dir/tracker.tmp $arkdep_dir/tracker
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tee $arkdep_dir/tracker_tmp
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mv $arkdep_dir/tracker_tmp $arkdep_dir/tracker
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# Deploy bootloader configuration
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# also insert newline
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@ -870,13 +879,11 @@ deploy () {
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declare -r remove_deployments=($(tail -n +$deploy_keep $arkdep_dir/tracker))
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# Remove old deployments
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for deployment in ${remove_deployments[@]}; do
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printf "\e[1;34m-->\e[0m\e[1m Cleaning up old deployment $deployment\e[0m\n"
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remove_deployment $deployment
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grep -v $deployment $arkdep_dir/tracker |
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tee $arkdep_dir/tracker.tmp
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mv $arkdep_dir/tracker.tmp $arkdep_dir/tracker
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done
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if [[ ${#remove_deployments[@]} -ge 1 ]]; then
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printf '\e[1;34m-->\e[0m\e[1m Cleaning up old deployments\e[0m\n'
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declare -r remove_no_quit=1
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remove_deployment ${remove_deployments[@]}
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fi
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exit 0
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@ -886,7 +893,7 @@ deploy () {
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[[ $1 == 'teardown' ]] && teardown
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[[ $1 == 'get-available' ]] && get_available
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[[ $1 == 'deploy' ]] && deploy $2 $3
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[[ $1 == 'remove' ]] && remove_deployment $2 $3
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[[ $1 == 'remove' ]] && remove_deployment $@
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[[ $1 == 'healthcheck' ]] && healthcheck $1
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[[ $1 == 'cleanup' ]] && cleanup
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