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#!/bin/bash
set -e
function ping_retry() {
local IP_ADDR=$1
local TIMES=${2:-'10'}
local COUNT=0
local PING_CMD=ping
if [[ $IP_ADDR =~ ":" ]]; then
PING_CMD=ping6
fi
until [ $COUNT -ge $TIMES ]; do
if $PING_CMD -W 300 -c 1 $IP_ADDR &> /dev/null; then
echo "Ping to $IP_ADDR succeeded."
return 0
fi
echo "Ping to $IP_ADDR failed. Retrying..."
COUNT=$(($COUNT + 1))
done
return 1
}
# For each unique remote IP (specified via Heat) we check to
# see if one of the locally configured networks matches and if so we
# attempt a ping test the remote network IP.
function ping_controller_ips() {
local REMOTE_IPS=$1
for REMOTE_IP in $(echo $REMOTE_IPS | sed -e "s| |\n|g" | sort -u); do
if [[ $REMOTE_IP =~ ":" ]]; then
networks=$(ip -6 r | grep -v default | cut -d " " -f 1 | grep -v "unreachable")
else
networks=$(ip r | grep -v default | cut -d " " -f 1)
fi
for LOCAL_NETWORK in $networks; do
in_network=$(python -c "import ipaddr; net=ipaddr.IPNetwork('$LOCAL_NETWORK'); addr=ipaddr.IPAddress('$REMOTE_IP'); print(addr in net)")
if [[ $in_network == "True" ]]; then
echo "Trying to ping $REMOTE_IP for local network ${LOCAL_NETWORK}."
set +e
if ! ping_retry $REMOTE_IP; then
echo "FAILURE"
echo "$REMOTE_IP is not pingable. Local Network: $LOCAL_NETWORK" >&2
exit 1
fi
set -e
echo "SUCCESS"
fi
done
done
}
# Ping all default gateways. There should only be one
# if using upstream t-h-t network templates but we test
# all of them should some manual network config have
# multiple gateways.
function ping_default_gateways() {
DEFAULT_GW=$(ip r | grep ^default | cut -d " " -f 3)
set +e
for GW in $DEFAULT_GW; do
echo -n "Trying to ping default gateway ${GW}..."
if ! ping_retry $GW; then
echo "FAILURE"
echo "$GW is not pingable."
exit 1
fi
done
set -e
echo "SUCCESS"
}
ping_controller_ips "$ping_test_ips"
ping_default_gateways
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