141 lines
3.9 KiB
Bash
Executable File
141 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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# Backwards compatibility for old variable names (deprecated)
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if [ "x$PGUSER" != "x" ]; then
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POSTGRES_USER=$PGUSER
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fi
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if [ "x$PGPASSWORD" != "x" ]; then
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POSTGRES_PASSWORD=$PGPASSWORD
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fi
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# Forwards-compatibility for old variable names (pg_basebackup uses them)
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if [ "x$PGPASSWORD" = "x" ]; then
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export PGPASSWORD=$POSTGRES_PASSWORD
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fi
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# Based on official postgres package's entrypoint script (https://hub.docker.com/_/postgres/)
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# Modified to be able to set up a slave. The docker-entrypoint-initdb.d hook provided is inadequate.
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set -e
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if [ "${1:0:1}" = '-' ]; then
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set -- postgres "$@"
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fi
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if [ "$1" = 'postgres' ]; then
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mkdir -p "$PGDATA"
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chmod 700 "$PGDATA"
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chown -R postgres "$PGDATA"
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mkdir -p /run/postgresql
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chmod g+s /run/postgresql
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chown -R postgres /run/postgresql
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# look specifically for PG_VERSION, as it is expected in the DB dir
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if [ ! -s "$PGDATA/PG_VERSION" ]; then
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if [ "x$REPLICATE_FROM" == "x" ]; then
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eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
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else
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until /bin/ping -c 1 -W 1 ${REPLICATE_FROM}
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do
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echo "Waiting for master to ping..."
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sleep 1s
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done
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until gosu postgres pg_basebackup -h ${REPLICATE_FROM} -D ${PGDATA} -U ${POSTGRES_USER} -vP -w
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do
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echo "Waiting for master to connect..."
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sleep 1s
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done
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fi
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# check password first so we can output the warning before postgres
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# messes it up
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if [ ! -z "$POSTGRES_PASSWORD" ]; then
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pass="PASSWORD '$POSTGRES_PASSWORD'"
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authMethod=md5
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else
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# The - option suppresses leading tabs but *not* spaces. :)
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cat >&2 <<-'EOWARN'
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****************************************************
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WARNING: No password has been set for the database.
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This will allow anyone with access to the
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Postgres port to access your database. In
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Docker's default configuration, this is
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effectively any other container on the same
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system.
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Use "-e POSTGRES_PASSWORD=password" to set
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it in "docker run".
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****************************************************
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EOWARN
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pass=
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authMethod=trust
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fi
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if [ "x$REPLICATE_FROM" == "x" ]; then
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{ echo; echo "host replication all 0.0.0.0/0 $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
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{ echo; echo "host all all 0.0.0.0/0 $authMethod"; } | gosu postgres tee -a "$PGDATA/pg_hba.conf" > /dev/null
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# internal start of server in order to allow set-up using psql-client
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# does not listen on external TCP/IP and waits until start finishes
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gosu postgres pg_ctl -D "$PGDATA" \
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-o "-c listen_addresses='localhost'" \
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-w start
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: ${POSTGRES_USER:=postgres}
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: ${POSTGRES_DB:=$POSTGRES_USER}
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export POSTGRES_USER POSTGRES_DB
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psql=( "psql" "-v" "ON_ERROR_STOP=1" )
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if [ "$POSTGRES_DB" != 'postgres' ]; then
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"${psql[@]}" --username postgres <<-EOSQL
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CREATE DATABASE "$POSTGRES_DB" ;
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EOSQL
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echo
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fi
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if [ "$POSTGRES_USER" = 'postgres' ]; then
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op='ALTER'
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else
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op='CREATE'
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fi
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"${psql[@]}" --username postgres <<-EOSQL
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$op USER "$POSTGRES_USER" WITH SUPERUSER $pass ;
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EOSQL
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echo
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fi
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psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
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echo
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for f in /docker-entrypoint-initdb.d/*; do
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case "$f" in
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*.sh) echo "$0: running $f"; . "$f" ;;
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*.sql) echo "$0: running $f"; "${psql[@]}" < "$f"; echo ;;
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*.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${psql[@]}"; echo ;;
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*) echo "$0: ignoring $f" ;;
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esac
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echo
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done
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if [ "x$REPLICATE_FROM" == "x" ]; then
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gosu postgres pg_ctl -D "$PGDATA" -m fast -w stop
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fi
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echo
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echo 'PostgreSQL init process complete; ready for start up.'
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echo
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fi
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# We need this health check so we know when it's started up.
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touch /tmp/.postgres_init_complete
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exec gosu postgres "$@"
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fi
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exec "$@"
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