Add checks to the management interface to report memory usage

This commit is contained in:
Michael Kroes 2015-11-01 03:29:45 -05:00 committed by yodax
parent 04960d0b98
commit e103a1f892
2 changed files with 24 additions and 1 deletions

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@ -11,6 +11,7 @@ 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_default_www_redirects, get_ssl_certificates, get_domain_ssl_files, get_domains_with_a_records
@ -152,6 +153,7 @@ 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
@ -202,6 +204,27 @@ 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_used = psutil.virtual_memory().percent
percent_left = 100 - percent_used
if not rounded_values:
memory_msg = "The system has allocated %s%% of the memory." % str(round(percent_used))
if percent_left > 20:
output.print_ok(memory_msg)
elif percent_left > 15:
output.print_warning(memory_msg)
else:
output.print_error(memory_msg)
else:
memory_msg = "The system has less than %s%% memory left." % str(round(percent_left))
if percent_left > 20:
output.print_ok("The system has more than 20% memory left")
elif percent_left > 15:
output.print_warning("The system has less than 20% memory left but more than 15%")
else:
output.print_error("The system has less than 15% memory left")
def run_network_checks(env, output):
# Also see setup/network-checks.sh.

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@ -7,7 +7,7 @@ echo "Installing Mail-in-a-Box system management daemon..."
# build-essential libssl-dev libffi-dev python3-dev: Required to pip install cryptography.
apt_install python3-flask links duplicity 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
# duplicity uses python 2 so we need to use the python 2 package of boto
hide_output pip install --upgrade boto