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Merge pull request #992 from matrix-org/erikj/psutil_conditional

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Make psutil optional
This commit is contained in:
Erik Johnston 2016-08-08 11:24:11 +01:00 committed by GitHub
commit e7674eb759
3 changed files with 16 additions and 6 deletions
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13
synapse/metrics/__init__.py
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@ -68,9 +68,18 @@ class Metrics(object):
def register_memory_metrics(hs): def register_memory_metrics(hs):
metric = MemoryUsageMetric(hs) try:
import psutil
process = psutil.Process()
process.memory_info().rss
except (ImportError, AttributeError):
logger.warn(
"psutil is not installed or incorrect version."
" Disabling memory metrics."
)
return
metric = MemoryUsageMetric(hs, psutil)
all_metrics.append(metric) all_metrics.append(metric)
return metric
def get_metrics_for(pkg_name): def get_metrics_for(pkg_name):

5
synapse/metrics/metric.py
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@ -16,8 +16,6 @@
from itertools import chain from itertools import chain
import psutil
# TODO(paul): I can't believe Python doesn't have one of these # TODO(paul): I can't believe Python doesn't have one of these
def map_concat(func, items): def map_concat(func, items):
@ -167,9 +165,10 @@ class MemoryUsageMetric(object):
UPDATE_HZ = 2 # number of times to get memory per second UPDATE_HZ = 2 # number of times to get memory per second
WINDOW_SIZE_SEC = 30 # the size of the window in seconds WINDOW_SIZE_SEC = 30 # the size of the window in seconds
def __init__(self, hs): def __init__(self, hs, psutil):
clock = hs.get_clock() clock = hs.get_clock()
self.memory_snapshots = [] self.memory_snapshots = []
self.process = psutil.Process() self.process = psutil.Process()
clock.looping_call(self._update_curr_values, 1000 / self.UPDATE_HZ) clock.looping_call(self._update_curr_values, 1000 / self.UPDATE_HZ)

4
synapse/python_dependencies.py
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@ -36,7 +36,6 @@ REQUIREMENTS = {
"blist": ["blist"], "blist": ["blist"],
"pysaml2>=3.0.0,<4.0.0": ["saml2>=3.0.0,<4.0.0"], "pysaml2>=3.0.0,<4.0.0": ["saml2>=3.0.0,<4.0.0"],
"pymacaroons-pynacl": ["pymacaroons"], "pymacaroons-pynacl": ["pymacaroons"],
"psutil>=2.0.0": ["psutil>=2.0.0"],
} }
CONDITIONAL_REQUIREMENTS = { CONDITIONAL_REQUIREMENTS = {
"web_client": { "web_client": {
@ -52,6 +51,9 @@ CONDITIONAL_REQUIREMENTS = {
"ldap": { "ldap": {
"ldap3>=1.0": ["ldap3>=1.0"], "ldap3>=1.0": ["ldap3>=1.0"],
}, },
"psutil": {
"psutil>=2.0.0": ["psutil>=2.0.0"],
},
} }