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fl64/test-networing-from-nodes.sh

Last active August 10, 2024 19:00
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tshoot VM network issues
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test-networing-from-nodes.sh
#!/usr/bin/env bash
NAMESPACE="testcases"
SCRIPT_TEMPLATE='
for VM in %%VMS%%; do
VM_NAME=$(echo ${VM} | cut -d% -f 1);
VM_IP=$(echo ${VM} | cut -d% -f 2);
VM_NODE=$(echo ${VM} | cut -d% -f 3);
PING_RESULT=$(ping -w 1 -c 2 ${VM_IP});
echo ${PING_RESULT} | grep -q " 0% packet loss";
if [[ $? -eq 0 ]]; then
echo -n "ping✅ " ;
else
echo -n "ping❌ " ;
fi;
NC_RESULT=$(nc -zvw2 ${VM_IP} 22 2>&1);
echo "${NC_RESULT}"
echo ${NC_RESULT} | grep -q "succeeded";
if [[ $? -eq 0 ]]; then
echo -n "nc22✅ " ;
else
echo -n "nc22❌ " ;
fi;
echo "${VM_IP} ${VM_NAME} ${VM_NODE}";
done
'
VMS=$(kubectl get -A vms -o json | jq '[ .items[] | .metadata.name+"%"+.status.ipAddress+"%"+.status.nodeName ] | join(" ")' -cr)
SCRIPT=$(echo ${SCRIPT_TEMPLATE} | sed "s/%%VMS%%/${VMS}/g")
echo "${VMS}"
echo "========================================================================="
echo ${SCRIPT}
echo "========================================================================="
for NODE in $(kubectl get nodes -o name | cut -d/ -f2); do
echo "========================================================================="
echo "dev-rnd.${NODE}"
echo "========================================================================="
#/usr/bin/ssh -o ConnectTimeout=1 -o ConnectionAttempts=1 dev-rnd.${NODE} "ip r show table 1490"
/usr/bin/ssh -o ConnectTimeout=1 -o ConnectionAttempts=1 dev-rnd.${NODE} "${SCRIPT}"
done
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