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Add CONNECT_QUERY option #158

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Add CONNECT_QUERY option #158

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b3e35df
Add connect_query to database config section
yshaul Mar 18, 2022
2bbb69f
Add connect query arg
yshaul Mar 18, 2022
11e3ac7
Log pgbouncer config
yshaul Mar 21, 2022
c1664e2
Remove cat
yshaul Mar 22, 2022
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -139,6 +139,7 @@ Some settings are configurable through app config vars at runtime. Refer to the
- `PGBOUNCER_SERVER_RESET_QUERY` Default is empty when pool mode is transaction, and "DISCARD ALL;" when session.
- `PGBOUNCER_IGNORE_STARTUP_PARAMETERS` Adds parameters to ignore when pgbouncer is starting. Some postgres libraries, like Go's pq, append this parameter, making it impossible to use this buildpack. Default is empty and the most common ignored parameter is `extra_float_digits`. Multiple parameters can be seperated via commas. Example: `PGBOUNCER_IGNORE_STARTUP_PARAMETERS="extra_float_digits, some_other_param"`
- `PGBOUNCER_QUERY_WAIT_TIMEOUT` Default is 120 seconds, helps when the server is down or the database rejects connections for any reason. If this is disabled, clients will be queued infinitely.
- `PGBOUNCER_CONNECT_QUERY` Default is ''.

For more info, see [CONTRIBUTING.md](CONTRIBUTING.md)

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9 changes: 8 additions & 1 deletion bin/gen-pgbouncer-conf.sh
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Expand Up @@ -66,8 +66,15 @@ do
"$DB_USER" "$DB_MD5_PASS"
EOFEOF

if [ -z "$PGBOUNCER_CONNECT_QUERY" ]
then
CONNECT_QUERY_ARG=""
else
CONNECT_QUERY_ARG="connect_query=$PGBOUNCER_CONNECT_QUERY"
fi

cat >> /app/vendor/pgbouncer/pgbouncer.ini << EOFEOF
$CLIENT_DB_NAME= host=$DB_HOST dbname=$DB_NAME port=$DB_PORT
$CLIENT_DB_NAME= host=$DB_HOST dbname=$DB_NAME port=$DB_PORT $CONNECT_QUERY_ARG
EOFEOF

let "n += 1"
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