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Lorenzo Martinico
slapos
Commits
8cb74356
Commit
8cb74356
authored
Feb 07, 2017
by
Alain Takoudjou
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monitor: add promise to check free disk space
parent
68e46df1
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3 changed files
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71 additions
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1 deletion
+71
-1
stack/monitor/buildout.cfg
stack/monitor/buildout.cfg
+7
-1
stack/monitor/instance-monitor.cfg.jinja2.in
stack/monitor/instance-monitor.cfg.jinja2.in
+13
-0
stack/monitor/templates/check_free_disk.in
stack/monitor/templates/check_free_disk.in
+51
-0
No files found.
stack/monitor/buildout.cfg
View file @
8cb74356
...
...
@@ -85,6 +85,11 @@ md5sum = 1bdb4e05c6be04f4e5766c64467fbcec
<= monitor-template-base
filename = httpd-cors.cfg.in
md5sum = 683ea85fc054094248baf5752dd089bf
[monitor-check-free-disk-space]
<= monitor-template-base
filename = check_free_disk.in
md5sum = bc61a77f8c06615dfa687ed48893bbc1
# End templates files
# XXX keep compatibility (with software/ipython_notebook/software.cfg )
...
...
@@ -97,7 +102,7 @@ recipe = slapos.recipe.template:jinja2
filename = template-monitor.cfg
template = ${:_profile_base_location_}/instance-monitor.cfg.jinja2.in
rendered = ${buildout:directory}/template-monitor.cfg
md5sum =
3a0417a9a3c2710c31be37e7a66f8a82
md5sum =
8433adc2ad0bc3a443ff941580593fb0
context =
key apache_location apache:location
key gzip_location gzip:location
...
...
@@ -119,6 +124,7 @@ context =
raw python_executable ${buildout:executable}
raw python_with_eggs ${buildout:directory}/bin/${extra-eggs:interpreter}
raw template_wrapper ${monitor-template-wrapper:location}/${monitor-template-wrapper:filename}
raw template_check_disk_space ${monitor-check-free-disk-space:location}/${monitor-check-free-disk-space:filename}
depends =
${monitor-eggs:eggs}
...
...
stack/monitor/instance-monitor.cfg.jinja2.in
View file @
8cb74356
...
...
@@ -102,6 +102,7 @@ parameter-list =
raw monitor-user ${monitor-instance-parameter:username}
htpasswd monitor-password ${monitor-htpassword-file:password-file} ${monitor-instance-parameter:username} ${httpd-monitor-htpasswd:htpasswd-path}
file promise-timeout ${monitor-promise-timeout-file:file}
file free-disk-space-MB ${promise-check-free-disk-space:config-file}
${monitor-instance-parameter:instance-configuration}
# htpasswd entry: htpasswd key password-file username htpasswd-file
...
...
@@ -345,6 +346,18 @@ input = inline:#!/bin/sh
output = ${monitor-directory:promises}/buildout-${slap-connection:partition-id}-status
mode = 700
[promise-check-free-disk-space]
recipe = slapos.recipe.template:jinja2
template = {{ template_check_disk_space }}
rendered = ${monitor-directory:promises}/check-free-disk-space
mode = 0700
context =
key config_file :config-file
raw home_path ${buildout:directory}
raw python_bin {{ python_with_eggs }}
config-file = ${directory:etc}/min-free-disk-size
[monitor-base]
# create dependencies between required monitor parts
recipe = plone.recipe.command
...
...
stack/monitor/templates/check_free_disk.in
0 → 100644
View file @
8cb74356
#!{{ python_bin }}
import os
import sys
def free_space(path, fn):
while True:
try:
disk = os.statvfs(path)
return fn(disk)
except OSError:
pass
if os.sep not in path:
break
path = os.path.split(path)[0]
def user_free_space(path):
return free_space(path, lambda d: d.f_bsize * d.f_bavail)
if __name__ == '__main__':
home_path = '{{ home_path }}'
config_file = '{{ config_file }}'
min_free_size = 1024*1024*1024*2 # 2G by default
if os.path.exists(config_file):
with open(config_file) as f:
min_size_str = f.read().strip()
if min_size_str == '0':
# disable check
print "Free disk space check is disabled\n set a number up to 0 to enable!"
exit(0)
if min_size_str.isdigit():
value = int(min_size_str)
if value >= 200:
# Minimum value is 200Mb, it's already low
min_free_size = int(min_size_str)*1024
else:
with open(config_file, 'w') as f:
f.write(str(min_free_size/1024))
real_free_space = user_free_space(home_path)
if real_free_space > min_free_size:
print "Free disk space: OK"
exit(0)
real_space_g = round(real_free_space/(1024.0*1024*1024), 2)
min_space_g = round(min_free_size/(1024.0*1024*1024), 2)
print 'Free disk space slow: remaning %s G, min is %s G' % (
real_space_g, min_space_g)
print 'You can modify minimum value on your monitor interface.'
exit(1)
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