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pi-hole/test/test_automated_install.py

196 lines
7.9 KiB
Python

import pytest
from textwrap import dedent
SETUPVARS = {
'PIHOLE_INTERFACE' : 'eth99',
'IPV4_ADDRESS' : '1.1.1.1',
'IPV6_ADDRESS' : 'FE80::240:D0FF:FE48:4672',
'PIHOLE_DNS_1' : '4.2.2.1',
'PIHOLE_DNS_2' : '4.2.2.2'
}
def test_setupVars_are_sourced_to_global_scope(Pihole):
''' currently update_dialogs sources setupVars with a dot,
then various other functions use the variables.
This confirms the sourced variables are in scope between functions '''
setup_var_file = 'cat <<EOF> /etc/pihole/setupVars.conf\n'
for k,v in SETUPVARS.iteritems():
setup_var_file += "{}={}\n".format(k, v)
setup_var_file += "EOF\n"
Pihole.run(setup_var_file)
script = dedent('''\
set -e
printSetupVars() {
# Currently debug test function only
echo "Outputting sourced variables"
echo "PIHOLE_INTERFACE=${PIHOLE_INTERFACE}"
echo "IPV4_ADDRESS=${IPV4_ADDRESS}"
echo "IPV6_ADDRESS=${IPV6_ADDRESS}"
echo "PIHOLE_DNS_1=${PIHOLE_DNS_1}"
echo "PIHOLE_DNS_2=${PIHOLE_DNS_2}"
}
update_dialogs() {
. /etc/pihole/setupVars.conf
}
update_dialogs
printSetupVars
''')
output = run_script(Pihole, script).stdout
for k,v in SETUPVARS.iteritems():
assert "{}={}".format(k, v) in output
def test_setupVars_saved_to_file(Pihole):
''' confirm saved settings are written to a file for future updates to re-use '''
set_setup_vars = '\n' # dedent works better with this and padding matching script below
for k,v in SETUPVARS.iteritems():
set_setup_vars += " {}={}\n".format(k, v)
Pihole.run(set_setup_vars).stdout
script = dedent('''\
set -e
echo start
TERM=xterm
source /opt/pihole/basic-install.sh
{}
finalExports
cat /etc/pihole/setupVars.conf
'''.format(set_setup_vars))
output = run_script(Pihole, script).stdout
for k,v in SETUPVARS.iteritems():
assert "{}={}".format(k, v) in output
def test_configureFirewall_firewalld_running_no_errors(Pihole):
''' confirms firewalld rules are applied when firewallD is running '''
# firewallD returns 'running' as status
mock_command('firewall-cmd', {'*':('running', 0)}, Pihole)
# Whiptail dialog returns Ok for user prompt
mock_command('whiptail', {'*':('', 0)}, Pihole)
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'Configuring FirewallD for httpd and dnsmasq.'
assert expected_stdout in configureFirewall.stdout
firewall_calls = Pihole.run('cat /var/log/firewall-cmd').stdout
assert 'firewall-cmd --state' in firewall_calls
assert 'firewall-cmd --permanent --add-port=80/tcp --add-port=53/tcp --add-port=53/udp' in firewall_calls
assert 'firewall-cmd --reload' in firewall_calls
def test_configureFirewall_firewalld_disabled_no_errors(Pihole):
''' confirms firewalld rules are not applied when firewallD is not running '''
# firewallD returns non-running status
mock_command('firewall-cmd', {'*':('not running', '1')}, Pihole)
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'No active firewall detected.. skipping firewall configuration.'
assert expected_stdout in configureFirewall.stdout
def test_configureFirewall_firewalld_enabled_declined_no_errors(Pihole):
''' confirms firewalld rules are not applied when firewallD is running, user declines ruleset '''
# firewallD returns running status
mock_command('firewall-cmd', {'*':('running', 0)}, Pihole)
# Whiptail dialog returns Cancel for user prompt
mock_command('whiptail', {'*':('', 1)}, Pihole)
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'Not installing firewall rulesets.'
assert expected_stdout in configureFirewall.stdout
def test_configureFirewall_no_firewall(Pihole):
''' confirms firewall skipped no daemon is running '''
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'No active firewall detected'
assert expected_stdout in configureFirewall.stdout
def test_configureFirewall_IPTables_enabled_declined_no_errors(Pihole):
''' confirms IPTables rules are not applied when IPTables is running, user declines ruleset '''
# iptables command exists
mock_command('iptables', {'*':('', '0')}, Pihole)
# modinfo returns always true (ip_tables module check)
mock_command('modinfo', {'*':('', '0')}, Pihole)
# Whiptail dialog returns Cancel for user prompt
mock_command('whiptail', {'*':('', '1')}, Pihole)
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'Not installing firewall rulesets.'
assert expected_stdout in configureFirewall.stdout
def test_configureFirewall_IPTables_enabled_rules_exist_no_errors(Pihole):
''' confirms IPTables rules are not applied when IPTables is running and rules exist '''
# iptables command exists and returns 0 on calls (should return 0 on iptables -C)
mock_command('iptables', {'-S':('-P INPUT DENY', '0')}, Pihole)
# modinfo returns always true (ip_tables module check)
mock_command('modinfo', {'*':('', '0')}, Pihole)
# Whiptail dialog returns Cancel for user prompt
mock_command('whiptail', {'*':('', '0')}, Pihole)
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'Installing new IPTables firewall rulesets'
assert expected_stdout in configureFirewall.stdout
firewall_calls = Pihole.run('cat /var/log/iptables').stdout
assert 'iptables -I INPUT 1 -p tcp -m tcp --dport 80 -j ACCEPT' not in firewall_calls
assert 'iptables -I INPUT 1 -p tcp -m tcp --dport 53 -j ACCEPT' not in firewall_calls
assert 'iptables -I INPUT 1 -p udp -m udp --dport 53 -j ACCEPT' not in firewall_calls
def test_configureFirewall_IPTables_enabled_not_exist_no_errors(Pihole):
''' confirms IPTables rules are applied when IPTables is running and rules do not exist '''
# iptables command and returns 0 on calls (should return 1 on iptables -C)
mock_command('iptables', {'-S':('-P INPUT DENY', '0'), '-C':('', 1), '-I':('', 0)}, Pihole)
# modinfo returns always true (ip_tables module check)
mock_command('modinfo', {'*':('', '0')}, Pihole)
# Whiptail dialog returns Cancel for user prompt
mock_command('whiptail', {'*':('', '0')}, Pihole)
configureFirewall = Pihole.run('''
source /opt/pihole/basic-install.sh
configureFirewall
''')
expected_stdout = 'Installing new IPTables firewall rulesets'
assert expected_stdout in configureFirewall.stdout
firewall_calls = Pihole.run('cat /var/log/iptables').stdout
assert 'iptables -I INPUT 1 -p tcp -m tcp --dport 80 -j ACCEPT' in firewall_calls
assert 'iptables -I INPUT 1 -p tcp -m tcp --dport 53 -j ACCEPT' in firewall_calls
assert 'iptables -I INPUT 1 -p udp -m udp --dport 53 -j ACCEPT' in firewall_calls
# Helper functions
def mock_command(script, args, container):
''' Allows for setup of commands we don't really want to have to run for real in unit tests '''
full_script_path = '/usr/local/bin/{}'.format(script)
mock_script = dedent('''\
#!/bin/bash -e
echo "\$0 \$@" >> /var/log/{script}
case "\$1" in'''.format(script=script))
for k, v in args.iteritems():
case = dedent('''
{arg})
echo {res}
exit {retcode}
;;'''.format(arg=k, res=v[0], retcode=v[1]))
mock_script += case
mock_script += dedent('''
esac''')
container.run('''
cat <<EOF> {script}\n{content}\nEOF
chmod +x {script}
rm -f /var/log/{scriptlog}'''.format(script=full_script_path, content=mock_script, scriptlog=script))
def run_script(Pihole, script):
result = Pihole.run(script)
assert result.rc == 0
return result