-
Notifications
You must be signed in to change notification settings - Fork 48
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
fix start-up order through wait-for-it.sh script.
- Loading branch information
1 parent
1be196f
commit f9f4638
Showing
5 changed files
with
187 additions
and
46 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| #!/usr/bin/env bash | ||
| # Use this script to test if a given TCP host/port are available | ||
|
|
||
| cmdname=$(basename $0) | ||
|
|
||
| echoerr() { if [[ $QUIET -ne 1 ]]; then echo "$@" 1>&2; fi } | ||
|
|
||
| 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 | ||
| } | ||
|
|
||
| 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 | ||
| if [[ $ISBUSY -eq 1 ]]; then | ||
| nc -z $HOST $PORT | ||
| result=$? | ||
| else | ||
| (echo > /dev/tcp/$HOST/$PORT) >/dev/null 2>&1 | ||
| result=$? | ||
| fi | ||
| 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 | ||
| } | ||
|
|
||
| wait_for_wrapper() | ||
| { | ||
| # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692 | ||
| if [[ $QUIET -eq 1 ]]; then | ||
| timeout $BUSYTIMEFLAG $TIMEOUT $0 --quiet --child --host=$HOST --port=$PORT --timeout=$TIMEOUT & | ||
| else | ||
| timeout $BUSYTIMEFLAG $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 | ||
| } | ||
|
|
||
| # process arguments | ||
| while [[ $# -gt 0 ]] | ||
| do | ||
| case "$1" in | ||
| *:* ) | ||
| hostport=(${1//:/ }) | ||
| HOST=${hostport[0]} | ||
| PORT=${hostport[1]} | ||
| 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: $1" | ||
| usage | ||
| ;; | ||
| esac | ||
| done | ||
|
|
||
| if [[ "$HOST" == "" || "$PORT" == "" ]]; then | ||
| echoerr "Error: you need to provide a host and port to test." | ||
| usage | ||
| fi | ||
|
|
||
| TIMEOUT=${TIMEOUT:-15} | ||
| STRICT=${STRICT:-0} | ||
| CHILD=${CHILD:-0} | ||
| QUIET=${QUIET:-0} | ||
|
|
||
| # check to see if timeout is from busybox? | ||
| # check to see if timeout is from busybox? | ||
| TIMEOUT_PATH=$(realpath $(which timeout)) | ||
| if [[ $TIMEOUT_PATH =~ "busybox" ]]; then | ||
| ISBUSY=1 | ||
| BUSYTIMEFLAG="-t" | ||
| else | ||
| ISBUSY=0 | ||
| BUSYTIMEFLAG="" | ||
| fi | ||
|
|
||
| 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 | ||
|
|
||
| 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 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters