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Fix #15, WAL in archive mode when backup is off

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WAL logs in archive mode will consume a lot more spaces and not useful
when backup is off. This fix add ability to switch WAL logs mode based
on the backup switch.
This commit is contained in:
Pan Luo 2016-05-06 23:27:41 -07:00
parent ba31a0da79
commit 530e8f0194
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GPG Key ID: AD11D35AAC25FB6A
1 changed files with 17 additions and 2 deletions
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19
db/docker-entrypoint1.sh
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@ -1,5 +1,17 @@
#!/bin/bash #!/bin/bash
# if wal backup is not enabled, use minimal wal logging to reduce disk space
: ${WAL_LEVEL:=minimal}
: ${ARCHIVE_MODE:=off}
# PGDATA is defined in upstream postgres dockerfile
function update_conf () {
if [ -f $PGDATA/postgresql.conf ]; then
sed -i "s/wal_level =.*$/wal_level = $WAL_LEVEL/g" $PGDATA/postgresql.conf
sed -i "s/archive_mode =.*$/archive_mode = $ARCHIVE_MODE/g" $PGDATA/postgresql.conf
fi
}
if [ "${1:0:1}" = '-' ]; then if [ "${1:0:1}" = '-' ]; then
set -- postgres "$@" set -- postgres "$@"
fi fi
@ -10,6 +22,7 @@ if [ "$1" = 'postgres' ]; then
for v in ${VARS[@]}; do for v in ${VARS[@]}; do
if [ "${!v}" = "" ]; then if [ "${!v}" = "" ]; then
echo "$v is required for Wal-E but not set. Skipping Wal-E setup." echo "$v is required for Wal-E but not set. Skipping Wal-E setup."
update_conf
. /docker-entrypoint.sh . /docker-entrypoint.sh
exit exit
fi fi
@ -23,7 +36,9 @@ if [ "$1" = 'postgres' ]; then
done done
chown -R root:postgres /etc/wal-e.d chown -R root:postgres /etc/wal-e.d
WAL_LEVEL=archive
ARCHIVE_MODE=on
update_conf
. /docker-entrypoint.sh . /docker-entrypoint.sh
fi fi
exec "$@"