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Refactor script to check network connectivity [Agent Persist Firewall test] #3249

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Oct 24, 2024
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Refactor script to check network connectivity [Agent Persist Firewall test] #3249

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82 changes: 35 additions & 47 deletions tests_e2e/tests/scripts/agent_persist_firewall-access_wireserver
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Original file line number Diff line number Diff line change
Expand Up @@ -29,65 +29,53 @@ echo "$(date --utc +%FT%T.%3NZ): Running as user: $USER"

function check_online
{
ping 8.8.8.8 -c 1 -i .2 -t 30 > /dev/null 2>&1 && echo 0 || echo 1
}

function ping_localhost
{
ping 127.0.0.1 -c 1 -i .2 -t 30 > /dev/null 2>&1 && echo 0 || echo 1
}

function socket_connection
{
python3 /home/"$TEST_USER"/bin/agent_persist_firewall-check_connectivity.py 2>&1 && echo 0 || echo 1
}

# Check more, sleep less
MAX_CHECKS=10
# Initial starting value for checks
CHECKS=0
IS_ONLINE=$(check_online)

echo "Checking network connectivity..."
echo "Running ping to 8.8.8.8 option"
# Loop while we're not online.
while [ "$IS_ONLINE" -eq 1 ]; do

CHECKS=$((CHECKS + 1))
if [ $CHECKS -gt $MAX_CHECKS ]; then
break
fi

echo "$(date --utc +%FT%T.%3NZ): Network still not accessible"
# We're offline. Sleep for a bit, then check again
sleep 1;
IS_ONLINE=$(check_online)

done
echo "Checking network connectivity..."

echo "Running ping to 8.8.8.8 option"
checks=0
while true; do
if ping 8.8.8.8 -c 1 -i .2 -t 30; then
echo "Network is accessible"
return 0
fi
checks=$((checks + 1))
if [ $checks -gt 10 ]; then
break
fi

echo "$(date --utc +%FT%T.%3NZ): Network still not accessible"
# We're offline. Sleep for a bit, then check again
sleep 1;
done

echo "Checking other options to see if network is accessible..."

# logging other options output to compare and evaluate which option is more stable when ping to 8.8.8.8 failed
if [ "$IS_ONLINE" -eq 1 ]; then
echo "Checking other options to see if network is accessible"
echo "Running ping to localhost option"
PING_LOCAL=$(ping_localhost)
if [ "$PING_LOCAL" -eq 1 ]; then
echo "Ping to localhost failed"
else
if ping 127.0.0.1 -c 1 -i .2 -t 30; then
echo "Ping to localhost succeeded"
return 0
fi
echo "Ping to localhost failed"

echo "Running socket connection to wireserver:53 option"
IS_ONLINE=$(socket_connection)
fi
if [ "$IS_ONLINE" -eq 1 ]; then
if python3 /home/"$TEST_USER"/bin/agent_persist_firewall-check_connectivity.py; then
echo "Socket connection succeeded"
return 0
fi
echo "Socket connection failed"

echo "Unable to connect to network, giving up"
return 1
}

if ! check_online; then
# We will never be able to get online. Kill script.
echo "Unable to connect to network, exiting now"
echo "ExitCode: 1"
exit 1
fi

echo "Finally online, Time: $(date --utc +%FT%T.%3NZ)"
echo "Trying to contact Wireserver as $USER to see if accessible"

echo ""
echo "Firewall configuration before accessing Wireserver:"
if sudo which iptables > /dev/null ; then
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