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make project runnable in any docker env
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FROM debian:buster-slim | ||
RUN mkdir dxe | ||
ARG EXEC=discord-xiv-emotes | ||
WORKDIR /dxe | ||
ADD $EXEC discord-xiv-emotes | ||
ADD wait-for-it.sh wait-for-it.sh | ||
CMD ["./discord-xiv-emotes"] |
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# discord-xiv-emotes | ||
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A Discord bot that responds to commands with emote messages from FFXIV. | ||
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This README is a WIP. | ||
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The necessary environment for the bot to work is: | ||
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* `DISCORD_TOKEN` environment variable | ||
* `DATABASE_URL` environment variable that points to a | ||
* postgres database | ||
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The recommended way of running it by producing an executable, either through `cargo build --release` | ||
or by downloading a release build from GitHub, and then running `docker compose up`. In this case, | ||
you must still specify `DATABASE_URL`, either with a `.env` file or by manually defining it, and if | ||
the executable is anywhere other than `./discord-xiv-emotes` you can specify its location with the | ||
`EXEC` environment variable. |
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version: "3.9" | ||
services: | ||
dxe: | ||
build: | ||
context: . | ||
args: | ||
EXEC: ${EXEC:-discord-xiv-emotes} | ||
environment: | ||
DATABASE_URL: postgres://postgres:password@dxe-db/postgres | ||
DISCORD_TOKEN: ${DISCORD_TOKEN} | ||
depends_on: | ||
- "dxe-db" | ||
command: ["./wait-for-it.sh", "dxe-db:5432", "--", "./discord-xiv-emotes"] | ||
dxe-db: | ||
image: postgres:latest | ||
environment: | ||
POSTGRES_PASSWORD: password |
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#!/usr/bin/env bash | ||
# Use this script to test if a given TCP host/port are available | ||
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WAITFORIT_cmdname=${0##*/} | ||
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echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi } | ||
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usage() | ||
{ | ||
cat << USAGE >&2 | ||
Usage: | ||
$WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args] | ||
-h HOST | --host=HOST Host or IP under test | ||
-p PORT | --port=PORT TCP port under test | ||
Alternatively, you specify the host and port as host:port | ||
-s | --strict Only execute subcommand if the test succeeds | ||
-q | --quiet Don't output any status messages | ||
-t TIMEOUT | --timeout=TIMEOUT | ||
Timeout in seconds, zero for no timeout | ||
-- COMMAND ARGS Execute command with args after the test finishes | ||
USAGE | ||
exit 1 | ||
} | ||
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wait_for() | ||
{ | ||
if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then | ||
echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT" | ||
else | ||
echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout" | ||
fi | ||
WAITFORIT_start_ts=$(date +%s) | ||
while : | ||
do | ||
if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then | ||
nc -z $WAITFORIT_HOST $WAITFORIT_PORT | ||
WAITFORIT_result=$? | ||
else | ||
(echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1 | ||
WAITFORIT_result=$? | ||
fi | ||
if [[ $WAITFORIT_result -eq 0 ]]; then | ||
WAITFORIT_end_ts=$(date +%s) | ||
echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds" | ||
break | ||
fi | ||
sleep 1 | ||
done | ||
return $WAITFORIT_result | ||
} | ||
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wait_for_wrapper() | ||
{ | ||
# In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692 | ||
if [[ $WAITFORIT_QUIET -eq 1 ]]; then | ||
timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT & | ||
else | ||
timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT & | ||
fi | ||
WAITFORIT_PID=$! | ||
trap "kill -INT -$WAITFORIT_PID" INT | ||
wait $WAITFORIT_PID | ||
WAITFORIT_RESULT=$? | ||
if [[ $WAITFORIT_RESULT -ne 0 ]]; then | ||
echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT" | ||
fi | ||
return $WAITFORIT_RESULT | ||
} | ||
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# process arguments | ||
while [[ $# -gt 0 ]] | ||
do | ||
case "$1" in | ||
*:* ) | ||
WAITFORIT_hostport=(${1//:/ }) | ||
WAITFORIT_HOST=${WAITFORIT_hostport[0]} | ||
WAITFORIT_PORT=${WAITFORIT_hostport[1]} | ||
shift 1 | ||
;; | ||
--child) | ||
WAITFORIT_CHILD=1 | ||
shift 1 | ||
;; | ||
-q | --quiet) | ||
WAITFORIT_QUIET=1 | ||
shift 1 | ||
;; | ||
-s | --strict) | ||
WAITFORIT_STRICT=1 | ||
shift 1 | ||
;; | ||
-h) | ||
WAITFORIT_HOST="$2" | ||
if [[ $WAITFORIT_HOST == "" ]]; then break; fi | ||
shift 2 | ||
;; | ||
--host=*) | ||
WAITFORIT_HOST="${1#*=}" | ||
shift 1 | ||
;; | ||
-p) | ||
WAITFORIT_PORT="$2" | ||
if [[ $WAITFORIT_PORT == "" ]]; then break; fi | ||
shift 2 | ||
;; | ||
--port=*) | ||
WAITFORIT_PORT="${1#*=}" | ||
shift 1 | ||
;; | ||
-t) | ||
WAITFORIT_TIMEOUT="$2" | ||
if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi | ||
shift 2 | ||
;; | ||
--timeout=*) | ||
WAITFORIT_TIMEOUT="${1#*=}" | ||
shift 1 | ||
;; | ||
--) | ||
shift | ||
WAITFORIT_CLI=("$@") | ||
break | ||
;; | ||
--help) | ||
usage | ||
;; | ||
*) | ||
echoerr "Unknown argument: $1" | ||
usage | ||
;; | ||
esac | ||
done | ||
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if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then | ||
echoerr "Error: you need to provide a host and port to test." | ||
usage | ||
fi | ||
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WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15} | ||
WAITFORIT_STRICT=${WAITFORIT_STRICT:-0} | ||
WAITFORIT_CHILD=${WAITFORIT_CHILD:-0} | ||
WAITFORIT_QUIET=${WAITFORIT_QUIET:-0} | ||
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# Check to see if timeout is from busybox? | ||
WAITFORIT_TIMEOUT_PATH=$(type -p timeout) | ||
WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH) | ||
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WAITFORIT_BUSYTIMEFLAG="" | ||
if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then | ||
WAITFORIT_ISBUSY=1 | ||
# Check if busybox timeout uses -t flag | ||
# (recent Alpine versions don't support -t anymore) | ||
if timeout &>/dev/stdout | grep -q -e '-t '; then | ||
WAITFORIT_BUSYTIMEFLAG="-t" | ||
fi | ||
else | ||
WAITFORIT_ISBUSY=0 | ||
fi | ||
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if [[ $WAITFORIT_CHILD -gt 0 ]]; then | ||
wait_for | ||
WAITFORIT_RESULT=$? | ||
exit $WAITFORIT_RESULT | ||
else | ||
if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then | ||
wait_for_wrapper | ||
WAITFORIT_RESULT=$? | ||
else | ||
wait_for | ||
WAITFORIT_RESULT=$? | ||
fi | ||
fi | ||
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if [[ $WAITFORIT_CLI != "" ]]; then | ||
if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then | ||
echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess" | ||
exit $WAITFORIT_RESULT | ||
fi | ||
exec "${WAITFORIT_CLI[@]}" | ||
else | ||
exit $WAITFORIT_RESULT | ||
fi |