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status checks: if a service isn't available publicly, check if it is available on the loopback interface to distinguish not running from not accessible

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This commit is contained in:
Joshua Tauberer 2015-02-13 09:30:25 -05:00
parent d775f90f0c
commit 330583f71d
1 changed files with 20 additions and 8 deletions
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20
management/status_checks.py
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@ -100,17 +100,29 @@ def check_service(i, service, env):
fatal = False fatal = False
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(1) s.settimeout(1)
try:
try: try:
s.connect(( s.connect((
"127.0.0.1" if not service["public"] else env['PUBLIC_IP'], "127.0.0.1" if not service["public"] else env['PUBLIC_IP'],
service["port"])) service["port"]))
running = True running = True
except OSError as e1:
if service["public"] and service["port"] != 53:
# For public services (except DNS), try the private IP as a fallback.
s1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s1.settimeout(1)
try:
s1.connect(("127.0.0.1", service["port"]))
output.print_error("%s is running but is not publicly accessible at %s:%d (%s)." % (service['name'], env['PUBLIC_IP'], service['port'], str(e1)))
except:
raise e1
finally:
s1.close()
else:
raise
except OSError as e: except OSError as e:
if service['name'] == 'SSH Login (ssh)': output.print_error("%s is not running (%s; port %d)." % (service['name'], str(e), service['port']))
output.print_error("%s is not running (%s). (Should be running on port %s)" % (service['name'], str(e), str(get_ssh_port())))
else:
output.print_error("%s is not running (%s)." % (service['name'], str(e)))
# Why is nginx not running? # Why is nginx not running?
if service["port"] in (80, 443): if service["port"] in (80, 443):