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https://github.com/mail-in-a-box/mailinabox.git
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Check hard drive health using S.M.A.R.T.
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30c2c60f59
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@ -165,6 +165,7 @@ def run_system_checks(rounded_values, env, output):
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check_miab_version(env, output)
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check_system_aliases(env, output)
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check_free_disk_space(rounded_values, env, output)
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check_smart_status(env, output)
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check_free_memory(rounded_values, env, output)
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def check_ufw(env, output):
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@ -250,6 +251,27 @@ def check_free_disk_space(rounded_values, env, output):
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if rounded_values: disk_msg = "The disk has less than 15% free space."
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output.print_error(disk_msg)
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def check_smart_status(env, output):
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devices = shell('check_output', ['smartctl', '--scan-open'])
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for device in devices.splitlines():
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device = device.split()[0]
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info = shell('check_output', ['smartctl', '-i', device])
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if 'SMART support is: Available' in info:
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if 'SMART support is: Enabled' in info:
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code, health = shell('check_output', ['smartctl', '-H', device, '--quietmode=errorsonly'], trap=True)
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if code == 0:
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output.print_ok('Disk %s passed all S.M.A.R.T. checks and seems healthy.' % device)
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else:
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output.print_error('Disk %s failed the S.M.A.R.T health check. Consider replacing the hard drive. Detailed information:' % device)
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output.print_line("")
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for line in health.split('=== START OF READ SMART DATA SECTION ===')[1].splitlines():
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output.print_line(line)
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else:
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output.print_warning('Disk %s supports S.M.A.R.T, but it is disabled. You should activate it using \'sudo smartctl -s on %s\'.' % (device, device))
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else:
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output.print_ok('Disk %s does not support S.M.A.R.T. Health checks are skipped.' % device)
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def check_free_memory(rounded_values, env, output):
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# Check free memory.
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percent_free = 100 - psutil.virtual_memory().percent
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@ -357,3 +357,20 @@ cp -f conf/fail2ban/filter.d/* /etc/fail2ban/filter.d/
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# scripts will ensure the files exist and then fail2ban is given another
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# restart at the very end of setup.
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restart_service fail2ban
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# ### S.M.A.R.T. Monitoring Tools
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# Install and configure smartmontools so we can check for failing hard drives.
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# We'll perform a first single smartd startup to check if any devices are found
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# which can be monitored. If none are found (virtual machines!), we will configure
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# smartd to not start automatically. Otherwise, smartd will run.
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apt_install smartmontools
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smartd --quit=onecheck > /dev/null 2>&1 || { smart=$? ; }
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if [ "${smart:-0}" -ne 17 ]; then # smartd manpage: 17 means smartd didn't find any devices to monitor.
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echo "S.M.A.R.T. capable hard drives found, setting up smartd..."
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tools/editconf.py /etc/default/smartmontools start_smartd=yes
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restart_service smartmontools
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else
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echo "No S.M.A.R.T. capable hard drives found, disabling smartd..."
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tools/editconf.py /etc/default/smartmontools start_smartd=no
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fi
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