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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"
debug "HOST_DB_PASSFILE is '$HOST_DB_PASSFILE'"
db_docker_opts+=("--network" "$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 "$1" in
postgis)
ddb -d "$dbname" < <(echo "CREATE EXTENSION postgis; CREATE EXTENSION postgis_topology;") || return 1
dcmd /bin/bash -c "psql -d '$dbname' -f /usr/share/postgresql/*/contrib/postgis-2.1/legacy.sql" || return 1
info "Installed postgis extensions on database '$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="$2"
PGM chown "$user" "$dbname"
}