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merge #584 - Add checks to the management interface to report memory usage

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This commit is contained in:
Joshua Tauberer 2016-01-01 18:13:21 -05:00
commit 06a0e7f3fe
3 changed files with 21 additions and 1 deletions
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4
CHANGELOG.md
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@ -8,6 +8,10 @@ Mail:
* The Sieve port is now open so tools like the Thunderbird Sieve program can be used to edit mail filters.
Control Panel:
* Report free memory usage.
v0.15 (January 1, 2016)
-----------------------

16
management/status_checks.py
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@ -9,6 +9,7 @@ import sys, os, os.path, re, subprocess, datetime, multiprocessing.pool
import dns.reversename, dns.resolver
import dateutil.parser, dateutil.tz
import idna
import psutil
from dns_update import get_dns_zones, build_tlsa_record, get_custom_dns_config, get_secondary_dns, get_custom_dns_record
from web_update import get_web_domains, get_domains_with_a_records
@ -166,6 +167,7 @@ def run_system_checks(rounded_values, env, output):
check_miab_version(env, output)
check_system_aliases(env, output)
check_free_disk_space(rounded_values, env, output)
check_free_memory(rounded_values, env, output)
def check_ssh_password(env, output):
# Check that SSH login with password is disabled. The openssh-server
@ -216,6 +218,20 @@ def check_free_disk_space(rounded_values, env, output):
else:
output.print_error(disk_msg)
def check_free_memory(rounded_values, env, output):
# Check free memory.
percent_free = 100 - psutil.virtual_memory().percent
memory_msg = "System memory is %s%% free." % str(round(percent_free))
if percent_free >= 30:
if rounded_values: memory_msg = "System free memory is at least 30%."
output.print_ok(memory_msg)
elif percent_free >= 15:
if rounded_values: memory_msg = "System free memory is below 30%."
output.print_warning(memory_msg)
else:
if rounded_values: memory_msg = "System free memory is below 15%."
output.print_error(memory_msg)
def run_network_checks(env, output):
# Also see setup/network-checks.sh.

2
setup/management.sh
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@ -11,7 +11,7 @@ if [ -f /usr/local/lib/python2.7/dist-packages/boto/__init__.py ]; then hide_out
# build-essential libssl-dev libffi-dev python3-dev: Required to pip install cryptography.
apt_install python3-flask links duplicity python-boto libyaml-dev python3-dnspython python3-dateutil \
build-essential libssl-dev libffi-dev python3-dev python-pip
hide_output pip3 install --upgrade rtyaml "email_validator>=1.0.0" "idna>=2.0.0" "cryptography>=1.0.2" boto
hide_output pip3 install --upgrade rtyaml "email_validator>=1.0.0" "idna>=2.0.0" "cryptography>=1.0.2" boto psutil
# email_validator is repeated in setup/questions.sh