From 2ed9a2eddfbe3d3df68b8431e3594b590595b537 Mon Sep 17 00:00:00 2001
From: "Dmitry E. Oboukhov" <unera@debian.org>
Date: Wed, 1 Oct 2014 15:35:18 +0400
Subject: [PATCH] Add status command for tarantoolctl. closes #497
---
extra/dist/dist.lua | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/extra/dist/dist.lua b/extra/dist/dist.lua
index b4d9e381ce..9e14590b8b 100755
--- a/extra/dist/dist.lua
+++ b/extra/dist/dist.lua
@@ -65,6 +65,18 @@ Each instance can be controlled by C<dist.lua>:
dist.lua enter instance_name
+=head2 status
+
+ dist.lua status instance_name
+
+Check if instance is up.
+
+If pid file exists and control socket exists and control socket is alive
+returns code C<0>.
+
+Return code != 0 in other cases. Can complain in log (stderr) if pid file
+exists and socket doesn't, etc.
+
=head1 COPYRIGHT
Copyright (C) 2010-2013 Tarantool AUTHORS:
@@ -272,6 +284,36 @@ elseif cmd == 'enter' then
console.on_client_disconnect( function(self) self.running = false end )
console.start()
os.exit(0)
+elseif cmd == 'status' then
+ if fio.stat(force_cfg.pid_file) == nil then
+ if errno() == errno.ENOENT then
+ os.exit(1)
+ end
+ log.error("Cant access pidfile %s: %s",
+ force_cfg.pid_file, errno.strerror())
+ end
+
+ if fio.stat(console_sock) == nil then
+ if errno() == errno.ENOENT then
+ log.warn("pidfile is exists, but control socket (%s) isn't",
+ console_sock)
+ os.exit(2)
+ end
+ end
+
+ local s = socket.tcp_connect('unix/', console_sock)
+ if s == nil then
+ if errno() ~= errno.EACCES then
+ log.warn("Can't access control socket %s: %s", console_sock,
+ errno.strerror())
+ os.exit(3)
+ else
+ os.exit(0)
+ end
+ end
+
+ s:close()
+ os.exit(0)
else
log.error("Unknown command '%s'", cmd)
os.exit(-1)
--
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