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# -*- mode: shell-script -*-
include pretty
export DB_NAME="$SERVICE_NAME" ## general type of database (ie: postgres/mysql...) export DB_DATADIR=/var/lib/postgresql/data
export DATA_DIR=$SERVICE_DATASTORE$DB_DATADIR export LOCAL_DB_PASSFILE="$DATA_DIR/pgpass"
export CLIENT_DB_PASSFILE="/root/.pgpass" export PG_HBA="$DATA_DIR/pg_hba.conf"
is_db_locked() { local host_db_volume if [ "${HOST_DATASTORE+x}" ]; then host_db_volume="$HOST_DATASTORE/${SERVICE_NAME}$DB_DATADIR" else host_db_volume="$DATASTORE/${SERVICE_NAME}$DB_DATADIR" fi
is_volume_used "$host_db_volume" }
_set_server_db_params() { server_docker_opts+=() }
_set_db_params() { local docker_ip="$1" docker_network="$2"
if [ "${HOST_DATASTORE+x}" ]; then export HOST_DB_PASSFILE="$HOST_DATASTORE/${SERVICE_NAME}$DB_DATADIR/pgpass" else export HOST_DB_PASSFILE="$CLIENT_DB_PASSFILE" fi
[ -f "$CLIENT_DB_PASSFILE" ] || touch "$CLIENT_DB_PASSFILE"
db_docker_opts+=("--network" "$docker_network" "-e" PGHOST="$docker_ip" "-e" PGUSER=postgres "-e" prefix_pg_local_command=' ')
db_cmd_opts+=() check_command="SELECT 1;" }
ddb () { dcmd psql -qAt "$@"; }
## ## Entrypoints ##
db_drop () { local dbname="$1" dcmd dropdb --if-exists "$1" }
db_create () { local dbname="$1" dcmd createdb "$dbname" || return 1 info "Database '$dbname' created." }
db_install_extensions() { local dbname="$1" shift while [ "$#" != 0 ]; do case "$1" in postgis) if out=$(ddb -d "$dbname" < <(echo "SELECT extname FROM pg_extension WHERE extname = 'postgis';")); then if [ "$out" ]; then info "PostGIS already installed." shift continue fi fi
ddb -d "$dbname" < <(echo "CREATE EXTENSION IF NOT EXISTS postgis; CREATE EXTENSION IF NOT EXISTS postgis_topology;") || return 1
dcmd /bin/bash -c "psql -d '$dbname' -v ON_ERROR_STOP=1 -f /usr/local/share/postgresql/contrib/postgis-*/legacy.sql" || return 1 info "Installed postgis extensions on database '$dbname'." ;; *) ddb -d "$dbname" < <(echo "CREATE EXTENSION IF NOT EXISTS $1;") || return 1 info "Installed $1 extension on database '$dbname'." ;; esac shift done }
## XXXvlab: if launched first, it'll fail handling correctly the open/close of docker db_has_database() { local dbname="$1" if [ "$(ddb < <(echo "SELECT 1 FROM pg_database WHERE datname = '$dbname'"))" ]; then debug "Database $dbname exists." return 0 else debug "Database $dbname exists." return 1 fi }
## XXXvlab: if launched first, it'll fail handling correctly the open/close of docker db_has_user() { local user="$1" users users=$(ddb < <(echo "select u.usename from pg_catalog.pg_user u")) || { err "Failed to get user list" return 1 } echo "$users" | grep "^${user}$" >/dev/null 2>&1 }
db_create_user() { local user="$1" password="$2" ## Using this instead of pipes is important so that trap works ddb < <(echo "CREATE USER \"$user\" WITH PASSWORD '$password' CREATEDB NOCREATEROLE;") }
db_change_password() { local user="$1" password="$2" ## Using this instead of pipes is important so that trap works ddb < <(echo "ALTER USER \"$user\" WITH PASSWORD '$password';") }
PGM() { ensure_db_docker_running </dev/null || return 1 echo "${db_docker_opts[@]}" dcmd pgm "$@" }
db_grant_rights () { local dbname="$1" user="$2" PGM chown -v "$user" "$dbname" }
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