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Add ability for deployment from cache

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This commit is contained in:
Dennis ten Hoove 2024-01-04 18:07:36 +01:00
parent 2d94eaccc4
commit 83c0684f01
1 changed files with 59 additions and 20 deletions
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79
arkdep
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@ -335,10 +335,10 @@ deploy () {
# target and version are optional, if not defined default to primary as defined in
# /arkdep/config and latest
if [[ -n $1 ]] && [[ $2 != '-' ]]; then
if [[ -n $1 ]] && [[ $1 != '-' ]]; then
declare -r deploy_target=$1
else
declare -r deploy_target="$repo_default_image"
declare -r deploy_target=$repo_default_image
fi
if [[ -n $2 ]]; then
@ -347,19 +347,54 @@ deploy () {
declare -r deploy_version='latest'
fi
printf "\e[1;34m-->\e[0m\e[1m Deploying $deploy_target $deploy_version\e[0m\n"
# If latest is requested grab database and get first line
printf '\e[1;34m-->\e[0m\e[1m Downloading database from repo\e[0m\n'
if [[ $deploy_version == 'latest' ]]; then
declare curl_data=$(curl -sf "${repo_url}/${deploy_target}/database" | head -n 1)
else
# Only return first hit
declare curl_data=$(curl -sf "${repo_url}/${deploy_target}/database" | grep "^$2" | head -1)
# If cache requested version may not be latest
if [[ $1 == 'cache' ]] && [[ $2 == 'latest' ]]; then
cleanup_and_quit '"latest" and undefined are not a valid version definitions for a cache source'
fi
printf "\e[1;34m-->\e[0m\e[1m Deploying $deploy_target $deploy_version\e[0m\n"
# Split latest_version at the delimiter, creating an array with data.0=package ver, data.1=compression method, data.2=sha1 hash
readarray -d : -t data <<< "$curl_data"
# only run if request target is not cache
if [[ $1 != 'cache' ]]; then
# If latest is requested grab database and get first line
printf '\e[1;34m-->\e[0m\e[1m Downloading database from repo\e[0m\n'
if [[ $deploy_version == 'latest' ]]; then
declare curl_data=$(curl -sf "${repo_url}/${deploy_target}/database" | head -n 1)
elif [[ $deploy_target != 'cache' ]]; then
# Only return first hit
declare curl_data=$(curl -sf "${repo_url}/${deploy_target}/database" | grep -E "^$2" | head -1)
else
declare curl_data='cache'
fi
readarray -d : -t data <<< "$curl_data"
# If target is cache
else
# Find full name in cache, if no hit quit with error
declare cache_hits=($(ls $arkdep_dir/cache | grep -E "^$deploy_version"))
# Temporary var to store the delimited file found in cache
declare data_inter=()
# Check if none or more than a single hit, we only expect a single item to match
[[ ${#cache_hits[@]} -gt 1 ]] && cleanup_and_quit 'More than a single item in cache matched requested version'
[[ ${#cache_hits[@]} -lt 1 ]] && cleanup_and_quit 'No item in cache matched requested version'
# Split filename at delimiter
readarray -d . -t data_inter <<< "$cache_hits"
echo ${data_inter[@]}
# Set expected vars for remainder of script
data[0]=${data_inter[0]}
data[1]=${data_inter[2]}
data[2]='-'
fi
# Ensure none of the vars contain whitespaces
data[0]=${data[0]//[$'\t\r\n']}
@ -378,8 +413,11 @@ deploy () {
fi
if [[ -z ${data[2]+x} ]] || [[ ! -n ${data[2]} ]]; then
printf '\e[1;31m<#>\e[0m\e[1m No checksum found\n\e[0m'
exit 1
# Do not trigger if hash is -, is used for cache deployments
if [[ $deploy_target != '-' ]]; then
printf '\e[1;31m<#>\e[0m\e[1m No checksum found\n\e[0m'
exit 1
fi
fi
# Lets ensure the requested image is not already deployed
@ -392,19 +430,20 @@ deploy () {
if [[ -e $arkdep_dir/cache/${data[0]}.tar.${data[1]} ]]; then
printf "\e[1;34m-->\e[0m\e[1m ${data[0]} already in cache, skipping download\e[0m\n"
else
# Download the tarball if not yet downloaded
if [[ ! -e $arkdep_dir/cache/${data[0]}.tar.${data[1]} ]]; then
wget -q --show-progress -P $(readlink -m $arkdep_dir/cache/) "$repo_url/$deploy_target/${data[0]}.tar.${data[1]}" ||
cleanup_and_quit 'Failed to download tarball'
fi
fi
printf '\e[1;34m-->\e[0m\e[1m Validating integrity\e[0m\n'
sha1sum "$(readlink -m $arkdep_dir/cache/${data[0]}.tar.${data[1]})" |
grep "${data[2]}" ||
cleanup_and_quit "Checksum does not match the one defined in database\e[0m\n"
# Only checksum on download
if [[ $deploy_target != 'cache' ]]; then
printf '\e[1;34m-->\e[0m\e[1m Validating integrity\e[0m\n'
sha1sum "$(readlink -m $arkdep_dir/cache/${data[0]}.tar.${data[1]})" |
grep "${data[2]}" ||
cleanup_and_quit "Checksum does not match the one defined in database\e[0m\n"
fi
# Extract the root image if not yet extracted
printf '\e[1;34m-->\e[0m\e[1m Writing root\e[0m\n'