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# -*- mode: shell-script -*-
include pretty
export DB_NAME="postgres"
export DB_DATADIR=/var/lib/postgresql/data
export DB_PASSFILE=/root/.pgpass
is_db_locked() {
require lsof || apt-get install -y lsof </dev/null || {
err "Couldn't install command 'lsof'."
return 1
}
# "$lsof" +D "$host_db_working_dir" || true
## We need:
## 1- to protect against set -e
## 2- to detect if errorlevel 1 because lsof failed for good reason: permissions error, directory not found
## 3- to detect if errorlevel 1 because no process found
[ -d "$host_db_working_dir" ] || {
err "Directory '$host_db_working_dir' not found. Might be normal at this stage."
return 1
}
## We choose to ignore (2), and use stdout emptyness to ensure (3)
open_files=$(lsof +D "$host_db_working_dir") || true
[ "$open_files" ]
}
_set_db_params() {
local docker_ip="$1" docker_network="$2"
export db_docker_opts="-e PGHOST=$docker_ip -e PGUSER=postgres"
export db_cmd_opts=
}
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 '$dbname' created."
if [ "$POSTGIS" ]; then
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 '$dbname'."
fi
if [ "$UNACCENT" ]; then
ddb -d "$dbname" < <(echo "CREATE EXTENSION IF NOT EXISTS unaccent;") || return 1
info "Installed unaccent extension on database '$dbname'."
fi
}
## 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';")
}
db_grant_rights () {
local dbname="$1" user="$2"
require psql || apt-get install -y postgresql-client </dev/null
require pgm || {
(
cd /opt/apps
git clone https://github.com/0k/pgm.git
ln -sf /opt/apps/pgm/bin/* /usr/local/bin/
apt-get install -y --force-yes pv buffer < /dev/null
# cd /opt/apps/0k-docker
# git checkout master
)
}
debug PGHOST="$DOCKER_IP" PGUSER=postgres pgm chown "$user" "$dbname"
PGHOST="$DOCKER_IP" PGUSER=postgres prefix_pg_local_command=" " pgm chown "$user" "$dbname"
}