099ac31f8f
This is an optimization of the ping command. It changes ping test from waiting for a single sent packet for 300 seconds to waiting to receive a packet from any number of sent packets. The current implemenation waits for full 300 seconds before retrying if we do not get a reply for the first packet sent. By using -w flag, we keep sending icmp packets until a reply is sent, making the ping test more responsive to connectivity change. Change-Id: I01ab374ae44718c8d56e2d7f35812dfb5bb2ce5a Signed-off-by: Feng Pan <fpan@redhat.com>
72 lines
2.0 KiB
Bash
72 lines
2.0 KiB
Bash
#!/bin/bash
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set -e
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function ping_retry() {
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local IP_ADDR=$1
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local TIMES=${2:-'10'}
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local COUNT=0
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local PING_CMD=ping
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if [[ $IP_ADDR =~ ":" ]]; then
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PING_CMD=ping6
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fi
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until [ $COUNT -ge $TIMES ]; do
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if $PING_CMD -w 300 -c 1 $IP_ADDR &> /dev/null; then
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echo "Ping to $IP_ADDR succeeded."
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return 0
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fi
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echo "Ping to $IP_ADDR failed. Retrying..."
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COUNT=$(($COUNT + 1))
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done
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return 1
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}
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# For each unique remote IP (specified via Heat) we check to
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# see if one of the locally configured networks matches and if so we
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# attempt a ping test the remote network IP.
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function ping_controller_ips() {
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local REMOTE_IPS=$1
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for REMOTE_IP in $(echo $REMOTE_IPS | sed -e "s| |\n|g" | sort -u); do
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if [[ $REMOTE_IP =~ ":" ]]; then
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networks=$(ip -6 r | grep -v default | cut -d " " -f 1 | grep -v "unreachable")
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else
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networks=$(ip r | grep -v default | cut -d " " -f 1)
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fi
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for LOCAL_NETWORK in $networks; do
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in_network=$(python -c "import ipaddr; net=ipaddr.IPNetwork('$LOCAL_NETWORK'); addr=ipaddr.IPAddress('$REMOTE_IP'); print(addr in net)")
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if [[ $in_network == "True" ]]; then
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echo "Trying to ping $REMOTE_IP for local network ${LOCAL_NETWORK}."
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set +e
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if ! ping_retry $REMOTE_IP; then
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echo "FAILURE"
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echo "$REMOTE_IP is not pingable. Local Network: $LOCAL_NETWORK" >&2
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exit 1
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fi
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set -e
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echo "SUCCESS"
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fi
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done
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done
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}
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# Ping all default gateways. There should only be one
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# if using upstream t-h-t network templates but we test
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# all of them should some manual network config have
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# multiple gateways.
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function ping_default_gateways() {
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DEFAULT_GW=$(ip r | grep ^default | cut -d " " -f 3)
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set +e
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for GW in $DEFAULT_GW; do
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echo -n "Trying to ping default gateway ${GW}..."
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if ! ping_retry $GW; then
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echo "FAILURE"
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echo "$GW is not pingable."
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exit 1
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fi
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done
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set -e
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echo "SUCCESS"
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}
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ping_controller_ips "$ping_test_ips"
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ping_default_gateways
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