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Original file line number | Diff line number | Diff line change |
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#!/bin/sh | ||
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SCRIPT_DIR=$(dirname $0) | ||
MEMBERSHIP_IP=$(cat /etc/hosts | grep membersrvc | head -n 1 | cut -f1) | ||
TIMEOUT=10 | ||
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if [ -n "$MEMBERSHIP_IP" ]; then | ||
echo "membersrvc detected, waiting for it before starting with a $TIMEOUT second timout" | ||
"$SCRIPT_DIR"/wait-for-it.sh -t "$TIMEOUT" "$MEMBERSHIP_IP":7054 | ||
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if [ $? -ne 0 ]; then | ||
echo "Failed to contact membersrvc within $TIMEOUT seconds" | ||
exit 1 | ||
fi | ||
else | ||
echo "No membersrvc to wait for, starting immediately" | ||
fi | ||
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peer node start | ||
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#!/bin/sh | ||
# Modified from https://github.com/vishnubob/wait-for-it to be POSIX compatible | ||
# Use this script to test if a given TCP host/port are available | ||
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cmdname=$(basename $0) | ||
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TIMEOUT=${TIMEOUT:-15} | ||
STRICT=${STRICT:-0} | ||
CHILD=${CHILD:-0} | ||
QUIET=${QUIET:-0} | ||
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echoerr() { if [ $QUIET -ne 1 ]; then echo "$@" 1>&2; fi } | ||
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usage() | ||
{ | ||
cat << USAGE >&2 | ||
Usage: | ||
$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 [ $TIMEOUT -gt 0 ]; then | ||
echoerr "$cmdname: waiting $TIMEOUT seconds for $HOST:$PORT" | ||
else | ||
echoerr "$cmdname: waiting for $HOST:$PORT without a timeout" | ||
fi | ||
start_ts=$(date +%s) | ||
while : | ||
do | ||
nc -z $HOST $PORT >/dev/null 2>&1 | ||
result=$? | ||
if [ $result -eq 0 ]; then | ||
end_ts=$(date +%s) | ||
echoerr "$cmdname: $HOST:$PORT is available after $((end_ts - start_ts)) seconds" | ||
break | ||
fi | ||
sleep 1 | ||
done | ||
return $result | ||
} | ||
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wait_for_wrapper() | ||
{ | ||
# In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692 | ||
if [ $QUIET -eq 1 ]; then | ||
timeout $TIMEOUT $0 --quiet --child --host=$HOST --port=$PORT --timeout=$TIMEOUT & | ||
else | ||
timeout $TIMEOUT $0 --child --host=$HOST --port=$PORT --timeout=$TIMEOUT & | ||
fi | ||
PID=$! | ||
trap "kill -INT -$PID" INT | ||
wait $PID | ||
RESULT=$? | ||
if [ $RESULT -ne 0 ]; then | ||
echoerr "$cmdname: timeout occurred after waiting $TIMEOUT seconds for $HOST:$PORT" | ||
fi | ||
return $RESULT | ||
} | ||
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# process arguments | ||
while [ $# -gt 0 ] | ||
do | ||
case "$1" in | ||
*:* ) | ||
HOST=$(echo $1 | cut --fields=1 --delimiter=:) | ||
PORT=$(echo $1 | cut --fields=2- --delimiter=:) | ||
shift 1 | ||
;; | ||
--child) | ||
CHILD=1 | ||
shift 1 | ||
;; | ||
-q | --quiet) | ||
QUIET=1 | ||
shift 1 | ||
;; | ||
-s | --strict) | ||
STRICT=1 | ||
shift 1 | ||
;; | ||
-h) | ||
HOST="$2" | ||
if [ "$HOST" = "" ]; then break; fi | ||
shift 2 | ||
;; | ||
--host=*) | ||
HOST="${1#*=}" | ||
shift 1 | ||
;; | ||
-p) | ||
PORT="$2" | ||
if [ "$PORT" = "" ]; then break; fi | ||
shift 2 | ||
;; | ||
--port=*) | ||
PORT="${1#*=}" | ||
shift 1 | ||
;; | ||
-t) | ||
TIMEOUT="$2" | ||
if [ "$TIMEOUT" = "" ]; then break; fi | ||
shift 2 | ||
;; | ||
--timeout=*) | ||
TIMEOUT="${1#*=}" | ||
shift 1 | ||
;; | ||
--) | ||
shift | ||
CLI="$@" | ||
break | ||
;; | ||
--help) | ||
usage | ||
;; | ||
*) | ||
echoerr "Unknown argument: $1" | ||
usage | ||
;; | ||
esac | ||
done | ||
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if [ "$HOST" = "" ] || [ "$PORT" = "" ]; then | ||
echoerr "Error: you need to provide a host and port to test." | ||
usage | ||
fi | ||
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if [ $CHILD -gt 0 ]; then | ||
wait_for | ||
RESULT=$? | ||
exit $RESULT | ||
else | ||
if [ $TIMEOUT -gt 0 ]; then | ||
wait_for_wrapper | ||
RESULT=$? | ||
else | ||
wait_for | ||
RESULT=$? | ||
fi | ||
fi | ||
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if [ "$CLI" != "" ]; then | ||
if [ $RESULT -ne 0 ] && [ $STRICT -eq 1 ]; then | ||
echoerr "$cmdname: strict mode, refusing to execute subprocess" | ||
exit $RESULT | ||
fi | ||
exec $CLI | ||
else | ||
exit $RESULT | ||
fi |