137 lines
3.3 KiB
Bash
Executable File
137 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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##############################
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# configuration
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prefix_file="${API_PREFIX_FILE:-/app/data/api_prefix}"
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db_file="${RAILS_DB_PATH:-/app/data/rynDNS.sqlite3}"
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default_admin_file="${API_DEFAULT_KEY_FILE:-/app/data/api_default_admin}"
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server_pid_file="${RAILS_PID_FILE:-/app/tmp/pids/server.pid}"
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rails_bin="${RAILS_BINARY:-/app/bin/rails}"
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demo_cycle="${RAILS_DEMO_RESET:-60m}"
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demo_prefix="zW3If4s5"
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seed_default_key_text="Created default admin with api_key" # for grep'ing the default admin key
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# end configuration
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##############################
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function log()
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{
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local time=$(date +%F_%T)
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local prefix="LOG"
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case $1 in
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ERR | ERROR)
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prefix="ERR"
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shift
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;;
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WAR | WARNING)
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prefix="WAR"
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shift
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;;
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INF | INFO)
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prefix="INF"
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shift
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;;
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esac
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local func=$1; shift
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# remove any \n
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#local text=$(echo "$@"| tr '\n' '#' | sed 's|#|\\n |g')
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case "$logfile" in
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"")
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echo "[$time]:[$prefix]:[$0][$func]: $@" 2>&1
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;;
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*)
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echo "[$time]:[$prefix]:[$0][$func]: $@" >> $logfile
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;;
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esac
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}
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function random_sting()
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{
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echo -n "$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w "${1:-32}" | head -n 1)"
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}
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function cleanup()
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{
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if [ -f $server_pid_file ]; then
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log WAR cleanup last server shutdown may have not been graceful
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log cleanup deleting old server pid file
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rm $server_pid_file
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fi
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}
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function get_prefix_file()
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{
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if [ -f "$prefix_file" ]; then
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echo -n "$(head -1 $prefix_file)"
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else
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new_prefix=$(random_sting 8)
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log get_prefix_file no prefix file, generating new one
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echo -n "$new_prefix" > "$prefix_file"
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echo -n "$new_prefix"
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fi
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}
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function set_api_prefix()
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{
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if [ -z "$RAILS_API_KEY_PREFIX" ]; then
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log set_api_prefix setting prefix from file
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RAILS_API_KEY_PREFIX=$(get_prefix_file | tail -1)
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export RAILS_API_KEY_PREFIX
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else
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log set_api_prefix saving prefix from ENV to file
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echo -n "$RAILS_API_KEY_PREFIX" > "$prefix_file"
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fi
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}
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function demo_cleaner()
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{
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while true; do
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log demo_cleaner cleaning up;
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db_setup
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# starting sleep in subshell to be able to quickly terminate
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sleep $demo_cycle &
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wait
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done
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}
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function demo()
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{
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if [ ! -z "$RAILS_API_DEMO" ]; then
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log demo "setting prefix to $demo_prefix"
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RAILS_API_KEY_PREFIX="$demo_prefix"
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export RAILS_API_KEY_PREFIX
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log demo "setting up demo cleaner, resetting every $demo_cycle"
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demo_cleaner &
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fi
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}
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function db_setup()
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{
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if [ ! -f $db_file ]; then
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log db_setup running first time migrations
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echo "$($rails_bin db:migrate)"
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fi
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log db_setup seeding database
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seed_log="$($rails_bin db:seed)"
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echo "$seed_log"
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# save default login to file
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default_admin=$(echo "$seed_log" | grep "$seed_default_key_text")
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[ "${#default_admin}" -gt 8 ] && echo -n "$default_admin" > $default_admin_file
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log db_setup "see \`docker exec \$CONTAINER cat $default_admin_file\` for initial admin api_key"
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}
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function main()
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{
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cleanup
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set_api_prefix
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log main prefix: $RAILS_API_KEY_PREFIX
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db_setup
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[ "$(id -u)" -eq 0 ] && log WARN main running server as root
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demo
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log main starting server
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exec $rails_bin s
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}
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main "$@"
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