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configure
executable file
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/
configure
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#!/usr/bin/env bash
set -e -u
# shellcheck source=admin/lib/common.inc.bash
source "$(dirname "${BASH_SOURCE[0]}")/lib/common.inc.bash"
HELP=$(cat <<EOH
Usage: $SCRIPT_NAME <command> [<args>]
Commands:
help Print this help message
list List available compose files with handle, path and description
show Show COMPOSE_FILE from both .env file and environment variable
with <compose file list> Set or update compose file list in .env file
add <compose file list> Add listed files to COMPOSE_FILE in .env file
rm <compose file list> Remove files from COMPOSE_FILE in .env file
List should be either colon-separated or space-separated.
Compose file should be refered to by either handle or path.
Examples:
$SCRIPT_NAME set docker-compose.yml:compose/publishing-all-ports.yml
allows to publish ports of all services on the host, just like:
$SCRIPT_NAME with default live-indexing-search
$SCRIPT_NAME add publishing-all-ports
$SCRIPT_NAME rm live-indexing-search
Notes:
Use '$DOCKER_COMPOSE_CMD config' to see the resulting compose file.
Use '$DOCKER_COMPOSE_CMD up -d' to apply configuration changes.
EOH
)
if [ $# -eq 0 ]
then
echo >&2 "$SCRIPT_NAME: missing argument"
echo >&2 "Try '$SCRIPT_NAME help' for usage."
exit 64 # EX_USAGE
fi
declare -a file_path=()
declare -A file_handle=()
declare -A handle_file=()
declare -A file_description=()
function scan_files {
# Find Docker Compose files
shopt -s globstar nullglob
file_path=(
docker-compose.yml
compose/*.yml
local/**/*.yml
)
# Create unique handles
file_handle[docker-compose.yml]=default
handle_file[default]=docker-compose.yml
for file in compose/*.yml
do
handle="$(basename -s.yml "$file")"
file_handle["$file"]="$handle"
handle_file["$handle"]="$file"
done
for file in local/**/*.yml
do
handle="$(echo "${file%.yml}" | tr / -)"
file_handle["$file"]="$handle"
handle_file["$handle"]="$file"
done
# Get description from files
for file in "${file_path[@]}"
do
file_description["$file"]="$(sed -n -E '/^#+ *Description:/{
s/^#+ *Description: *//p;
q;
}' "$file")"
done
}
function parse_env {
sed -n "/^COMPOSE_FILE=/{
s/^COMPOSE_FILE=//;
s/ *#.*$//;
s/['\"]//g;
p;
}" "$MB_DOCKER_ROOT/.env" | tail -1
}
function print_file_list {
sep="|"
(
echo "[HANDLE]${sep}PATH:${sep}DESCRIPTION"
for file in "$@"
do
echo "[${file_handle[$file]-}]$sep$file:$sep${file_description[$file]-}"
done
) | column -t -s "$sep"
}
case "$1" in
help|--help|-h)
echo "$HELP"
exit 0 # EX_OK
;;
list )
scan_files
echo Available compose files:
print_file_list "${file_path[@]}"
exit 0 # EX_OK
;;
show )
scan_files
if [ "${COMPOSE_FILE:-}" ]
then
echo "COMPOSE_FILE is defined as shell environment variable."
echo "Note: Shell environment has precedence over .env file!"
echo "Try 'unset COMPOSE_FILE' if you want to use .env file."
elif [ -f "$MB_DOCKER_ROOT/.env" ] \
&& grep -q '^COMPOSE_FILE=' "$MB_DOCKER_ROOT/.env"
then
echo "COMPOSE_FILE is defined by '$MB_DOCKER_ROOT/.env' file."
COMPOSE_FILE=$(parse_env)
else
echo "COMPOSE_FILE is not defined, default file is used."
fi
declare -a compose_files
if [ "${COMPOSE_FILE:-}" ]
then
echo
echo "COMPOSE_FILE=$COMPOSE_FILE"
IFS=':' read -r -a compose_files <<< "$COMPOSE_FILE"
else
compose_files=( docker-compose.yml )
fi
echo
echo "Referred-to compose file(s):"
print_file_list "${compose_files[@]}"
exit 0 # EX_OK
;;
with |add |rm )
command=$1
shift
if [ $# -eq 0 ]
then
echo >&2 "$SCRIPT_NAME: missing argument"
echo >&2 "Try '$SCRIPT_NAME help' for usage."
exit 64 # EX_USAGE
fi
scan_files
declare -a compose_files
if [[ $command != with ]]
then
if [ -f "$MB_DOCKER_ROOT/.env" ] \
&& grep -q '^COMPOSE_FILE=' "$MB_DOCKER_ROOT/.env"
then
IFS=':' read -r -a compose_files <<< "$(parse_env)"
else
compose_files=( docker-compose.yml )
fi
fi
while [ $# -gt 0 ]
do
if [ "${file_handle[$1]-}" ]
then
compose_files=( ${compose_files[@]/$1} )
if [[ $command != rm ]]
then
compose_files+=( "$1" )
fi
elif [ "${handle_file[$1]-}" ]
then
compose_files=( ${compose_files[@]/${handle_file[$1]}} )
if [[ $command != rm ]]
then
compose_files+=( "${handle_file[$1]}" )
fi
elif [[ $command == rm ]]
then
echo "Ignore obsolete/missing '$1'"
else
echo >&2 "$SCRIPT_NAME: unknown file/handle: '$1'"
echo >&2 "Try '$SCRIPT_NAME help' for usage."
exit 64 # EX_USAGE
fi
shift
done
# Write to .env
touch .env
sed -i.bak -e '/^COMPOSE_FILE=/d' .env && rm -f .env.bak
echo "COMPOSE_FILE=$(IFS=:; echo "${compose_files[*]}")" >> .env
echo "Successfully set/updated COMPOSE_FILE in '$MB_DOCKER_ROOT/.env'."
exit 0 # EX_OK
;;
* )
echo >&2 "$SCRIPT_NAME: unknown command: '$1'"
echo >&2 "Try '$SCRIPT_NAME help' for usage."
exit 64 # EX_USAGE
;;
esac
# vi: set et sts=2 sw=2 ts=2 :