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Better isolate faults in the ipmi plugin

Previously, one ipmi failure would tank all consoles and commands.
Now, at least console failures are isolated.

Next stop is to isolate command failures, then fix up session recovery.
This commit is contained in:
Jarrod Johnson 2014-01-28 17:41:01 -05:00
parent c537a124cf
commit 7709a52eda

View File

@ -31,14 +31,17 @@ def _ipmi_evtloop():
console.session.Session.register_handle_callback(pullchain[0],
_process_chgs)
while (1):
if tmptimeout is not None:
console.session.Session.wait_for_rsp(timeout=tmptimeout)
tmptimeout = None
else:
console.session.Session.wait_for_rsp(timeout=600)
while ipmiwaiters:
waiter = ipmiwaiters.popleft()
waiter.send()
try:
if tmptimeout is not None:
console.session.Session.wait_for_rsp(timeout=tmptimeout)
tmptimeout = None
else:
console.session.Session.wait_for_rsp(timeout=600)
while ipmiwaiters:
waiter = ipmiwaiters.popleft()
waiter.send()
except:
print "Whoops, that was a doozy"
def _process_chgs(intline):
#here we receive functions to run in our thread
@ -48,15 +51,18 @@ def _process_chgs(intline):
global chainpulled
os.read(intline,1) # answer the bell
chainpulled = False
while ipmiq:
cval = ipmiq.popleft()
if hasattr(cval[0], '__call__'):
if isinstance(cval[1], tuple):
rv = cval[0](*cval[1])
elif isinstance(cval[1], dict):
rv = cval[0](**cval[1])
if len(cval) > 2:
cval[2](rv)
try:
while ipmiq:
cval = ipmiq.popleft()
if hasattr(cval[0], '__call__'):
if isinstance(cval[1], tuple):
rv = cval[0](*cval[1])
elif isinstance(cval[1], dict):
rv = cval[0](**cval[1])
if len(cval) > 2:
cval[2](rv)
except: # assure the thread does not crash and burn
print "should put in some debug data here..."