def install(self, package):
# the installation must be running as the db user (checked in validate_pre_install())
p = self.ctx.props
r = self.ctx.r
if get_platform().startswith("linux"):
self.ctx.logger.info("Disabling startup of default postgres instance")
r(sudo_run_program, ["/usr/sbin/update-rc.d", "postgresql", "disable"], cwd="/etc/init.d")
r(sudo_run_program, ["/etc/init.d/postgresql", "stop"], cwd="/etc/init.d")
# we need to make sure the lock directory exists and is
# writable by our postgres user
if not os.path.exists("/var/run/postgresql"):
self.ctx.r_su(mkdir, "/var/run/postgresql")
r(sudo_run_program, ["/bin/chown", p.output_ports.postgres_inst.user, "/var/run/postgresql"], cwd="/")
r(mkdir, p.config_port.database_dir)
r(
run_program,
[p.input_ports.postgres.initdb_exe, "-D", p.config_port.database_dir],
cwd=p.config_port.database_dir,
)
config_file = os.path.join(p.config_port.database_dir, "postgresql.conf")
r(check_file_exists, config_file)
r(
subst_in_file_and_check_count,
config_file,
[
(
"^" + re.escape("#external_pid_file = ''"),
"external_pid_file = '%s'" % p.output_ports.postgres_inst.pid_file,
)
],
1,
)
def start(self):
p = self.ctx.props
r = self.ctx.r
if get_platform().startswith("linux"):
# we need to make sure the lock directory exists and is
# writable by our postgres user
if not os.path.exists("/var/run/postgresql"):
self.ctx.r_su(mkdir, "/var/run/postgresql")
r(sudo_run_program, ["/bin/chown", p.output_ports.postgres_inst.user, "/var/run/postgresql"], cwd="/")
self.ctx.r(
start_server_as_user,
p.output_ports.postgres_inst.user,
[p.input_ports.postgres.pg_ctl_exe, "-D", p.config_port.database_dir, "start"],
os.path.join(p.input_ports.host.log_directory, "postgres.log"),
cwd=p.config_port.database_dir,
)
self.ctx.check_poll(12, 5.0, lambda v: v, get_server_status, p.output_ports.postgres_inst.pid_file)
