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Try/catch for containers CPU and MEM stats

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This commit is contained in:
Nicolargo 2015-01-27 13:57:08 +01:00
parent 82ce5e29f2
commit 965922cc87
1 changed files with 19 additions and 11 deletions
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30
glances/plugins/glances_docker.py
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@ -168,13 +168,17 @@ class Plugin(GlancesPlugin):
Output: a dict {'total': 1.49, 'user': 0.65, 'system': 0.84}"""
ret = {}
# Read the stats
with open('/sys/fs/cgroup/cpuacct/docker/' + id + '/cpuacct.stat', 'r') as f:
for line in f:
m = re.search(r"(system|user)\s+(\d+)", line)
if m:
ret[m.group(1)] = int(m.group(2))
try:
with open('/sys/fs/cgroup/cpuacct/docker/' + id + '/cpuacct.stat', 'r') as f:
for line in f:
m = re.search(r"(system|user)\s+(\d+)", line)
if m:
ret[m.group(1)] = int(m.group(2))
except IOError as e:
logger.error("Can not grab container CPU stat ({0})".format(e))
return ret
# Get the user ticks
ticks = self.get_user_ticks()
ticks = self.get_user_ticks()
if isinstance(ret["system"], numbers.Number) and isinstance(ret["user"], numbers.Number):
ret["total"] = ret["system"] + ret["user"]
for k in ret.keys():
@ -188,11 +192,15 @@ class Plugin(GlancesPlugin):
Output: a dict {'rss': 1015808, 'cache': 356352}"""
ret = {}
# Read the stats
with open('/sys/fs/cgroup/memory/docker/' + id + '/memory.stat', 'r') as f:
for line in f:
m = re.search(r"(rss|cache)\s+(\d+)", line)
if m:
ret[m.group(1)] = int(m.group(2))
try:
with open('/sys/fs/cgroup/memory/docker/' + id + '/memory.stat', 'r') as f:
for line in f:
m = re.search(r"(rss|cache)\s+(\d+)", line)
if m:
ret[m.group(1)] = int(m.group(2))
except IOError as e:
logger.error("Can not grab container MEM stat ({0})".format(e))
return ret
# Return the stats
return ret