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Don't use latest stable version for minikube

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Sometimes, minikube lags behind kubernetes which can lead
to a breakage of the test suite, since minikube will fail to start
with the latest kubernetes version.
See for example [this issue](https://github.com/kubernetes/minikube/issues/4371).

This change defaults to leave the decision of which k8s version to use,
to minikube itself. This is defined in:

https://github.com/kubernetes/minikube/master/pkg/minikube/constants/constants.go

However, if one really desires it is still possible to pass

`--kubernetes-version=X.Y.Z`

to minikube initialization start command via an environment variable
before invoking the test suite:

export $MINIKUBE_ARGS="--kubernetes-version=X.Y.Z"

This allows ofcourse passing other flags to minikube also.
This commit is contained in:
Oz N Tiram 2019-06-21 15:10:27 +02:00
parent c86e4898fb
commit d7300db66d
1 changed files with 12 additions and 2 deletions
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14
scripts/kube-init.sh
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@ -44,10 +44,20 @@ else
fi
docker --version
# Get the latest stable version of kubernetes
# Get the latest stable version of kubernetes, this is not always what minikube
# installs per default
# See:
# https://github.com/kubernetes/minikube/blob/master/pkg/minikube/constants/constants.go
K8S_VERSION=$(curl -sS https://storage.googleapis.com/kubernetes-release/release/stable.txt)
echo "K8S_VERSION : ${K8S_VERSION}"
# You can pass variables to minikube using MINIKUBE_ARGS
# If using tox you can export TOX_TESTENV_PASSENV.
# For example, you can run:
# $ export TOX_TESTENV_PASSENV="MINIKUBE_ARGS=--kubernetes-version=1.X.Y"
# now tox will run minikube with the specified flag
MINIKUBE_ARGS=${MINIKUBE_ARGS:-""}
echo "Starting docker service"
sudo systemctl enable docker.service
sudo systemctl start docker.service --ignore-dependencies
@ -80,7 +90,7 @@ export MINIKUBE_DRIVER=${MINIKUBE_DRIVER:-none}
# Used bootstrapper to be kubeadm for the most recent k8s version
# since localkube is depreciated and only supported up to version 1.10.0
echo "Starting minikube"
sudo minikube start --vm-driver=$MINIKUBE_DRIVER --bootstrapper=kubeadm --kubernetes-version=$K8S_VERSION --logtostderr
sudo minikube start --vm-driver=$MINIKUBE_DRIVER --bootstrapper=kubeadm --logtostderr $MINIKUBE_ARGS
MINIKUBE_OK="false"