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CI: adding much needed lock mechanism when creating VM.

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-- should prevent VM-creation crashes during test stages

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
(cherry picked from commit eeffdfa200)
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
This commit is contained in:
Raphael Defosseux
2019-02-21 07:33:56 +01:00
parent 812f97f0f1
commit 5bb6985f34
3 changed files with 51 additions and 7 deletions
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ci-scripts/buildOnVM.sh
+13 -6
View File
@@ -94,15 +94,22 @@ function build_on_vm {
echo "############################################################"
echo "Creating VM ($VM_NAME) on Ubuntu Cloud Image base"
echo "############################################################"
acquire_vm_create_lock
uvt-kvm create $VM_NAME release=xenial --memory $VM_MEMORY --cpu $VM_CPU --unsafe-caching --template ci-scripts/template-host.xml
echo "Waiting for VM to be started"
uvt-kvm wait $VM_NAME --insecure
VM_IP_ADDR=`uvt-kvm ip $VM_NAME`
echo "$VM_NAME has for IP addr = $VM_IP_ADDR"
release_vm_create_lock
else
echo "Waiting for VM to be started"
uvt-kvm wait $VM_NAME --insecure
VM_IP_ADDR=`uvt-kvm ip $VM_NAME`
echo "$VM_NAME has for IP addr = $VM_IP_ADDR"
fi
echo "Waiting for VM to be started"
uvt-kvm wait $VM_NAME --insecure
VM_IP_ADDR=`uvt-kvm ip $VM_NAME`
echo "$VM_NAME has for IP addr = $VM_IP_ADDR"
echo "############################################################"
echo "Copying GIT repo into VM ($VM_NAME)"
echo "############################################################"
ci-scripts/createVM.sh
+31
View File
@@ -49,6 +49,35 @@ function create_usage {
echo ""
}
function acquire_vm_create_lock {
local FlockFile="/tmp/vmclone.lck"
local unlocked="0"
touch ${FlockFile} 2>/dev/null
if [[ $? -ne 0 ]]
then
echo "Cannot access lock file ${FlockFile}"
exit 2
fi
while [ $unlocked -eq 0 ]
do
exec 5>${FlockFile}
flock -nx 5
if [[ $? -ne 0 ]]
then
echo "Another instance of VM creation is running"
sleep 10
else
unlocked="1"
fi
done
chmod 666 ${FlockFile} 2>/dev/null
}
function release_vm_create_lock {
local FlockFile="/tmp/vmclone.lck"
rm -Rf ${FlockFile}
}
function create_vm {
echo "############################################################"
echo "OAI CI VM script"
@@ -60,10 +89,12 @@ function create_vm {
echo "############################################################"
echo "Creating VM ($VM_NAME) on Ubuntu Cloud Image base"
echo "############################################################"
acquire_vm_create_lock
uvt-kvm create $VM_NAME release=xenial --memory $VM_MEMORY --cpu $VM_CPU --unsafe-caching --template ci-scripts/template-host.xml
echo "Waiting for VM to be started"
uvt-kvm wait $VM_NAME --insecure
VM_IP_ADDR=`uvt-kvm ip $VM_NAME`
echo "$VM_NAME has for IP addr = $VM_IP_ADDR"
release_vm_create_lock
}
ci-scripts/runTestOnVM.sh
+7 -1
View File
@@ -441,10 +441,16 @@ function run_test_on_vm {
echo "############################################################"
echo "Creating test EPC VM ($EPC_VM_NAME) on Ubuntu Cloud Image base"
echo "############################################################"
acquire_vm_create_lock
uvt-kvm create $EPC_VM_NAME release=xenial --unsafe-caching
echo "Waiting for VM to be started"
uvt-kvm wait $EPC_VM_NAME --insecure
release_vm_create_lock
else
echo "Waiting for VM to be started"
uvt-kvm wait $EPC_VM_NAME --insecure
fi
uvt-kvm wait $EPC_VM_NAME --insecure
EPC_VM_IP_ADDR=`uvt-kvm ip $EPC_VM_NAME`
echo "$EPC_VM_NAME has for IP addr = $EPC_VM_IP_ADDR"
scp -o StrictHostKeyChecking=no /etc/apt/apt.conf.d/01proxy ubuntu@$EPC_VM_IP_ADDR:/home/ubuntu