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docker: Implement e2e tests for docker provider
Initial framework to run e2e tests for docker provider The tests requires the following prerequisites: make go yq kubectl kind docker A script prereqs.sh is provided to (un)install the prerequisites As part of provisioning, it creates a 2 node kind cluster and then runs the tests. Signed-off-by: Pradipta Banerjee <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| kind: Cluster | ||
| apiVersion: kind.x-k8s.io/v1alpha4 | ||
| networking: | ||
| disableDefaultCNI: true # disable kindnet | ||
| podSubnet: 192.168.0.0/16 # set to Calico's default subnet | ||
| nodes: | ||
| - role: control-plane | ||
| # Same image version as used for pod VM base image | ||
| image: kindest/node:v1.29.4 | ||
| extraMounts: | ||
| # The config.json file contains the registry secrets that you might | ||
| # need to pull images from a private registry or docker registry to avoid | ||
| # rate limiting. | ||
| - hostPath: /tmp/config.json | ||
| containerPath: /var/lib/kubelet/config.json | ||
| - role: worker | ||
| image: kindest/node:v1.29.4 | ||
| extraMounts: | ||
| - hostPath: /var/run/docker.sock | ||
| containerPath: /var/run/docker.sock | ||
| - hostPath: /var/lib/docker | ||
| containerPath: /var/lib/docker | ||
| # The config.json file contains the registry secrets that you might | ||
| # need to pull images from a private registry or docker registry to avoid | ||
| # rate limiting. | ||
| - hostPath: /tmp/config.json | ||
| containerPath: /var/lib/kubelet/config.json |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| #!/bin/bash | ||
|
|
||
| # Ref: https://stackoverflow.com/questions/299728/how-do-you-use-newgrp-in-a-script-then-stay-in-that-group-when-the-script-exits | ||
| newgrp docker <<EOF | ||
| # Accept two arguments: create and delete | ||
| # create: creates a kind cluster | ||
| # delete: deletes a kind cluster | ||
| CLUSTER_NAME="${CLUSTER_NAME:-peer-pods}" | ||
| if [ "$1" == "create" ]; then | ||
| # Check if kind is installed | ||
| if [ ! -x "$(command -v kind)" ]; then | ||
| echo "kind is not installed" | ||
| exit 0 | ||
| fi | ||
| echo "Check if the cluster \$CLUSTER_NAME already exists" | ||
| if kind get clusters | grep -q "\$CLUSTER_NAME"; then | ||
| echo "Cluster \$CLUSTER_NAME already exists" | ||
| exit 0 | ||
| fi | ||
| # Set some sysctls | ||
| # Ref: https://kind.sigs.k8s.io/docs/user/known-issues/#pod-errors-due-to-too-many-open-files | ||
| sudo sysctl fs.inotify.max_user_watches=524288 | ||
| sudo sysctl fs.inotify.max_user_instances=512 | ||
| # Create a kind cluster | ||
| echo "Creating a kind cluster" | ||
| kind create cluster --name "\$CLUSTER_NAME" --config kind-config.yaml || exit 1 | ||
| # Deploy calico | ||
| kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.28.0/manifests/calico.yaml || exit 1 | ||
| exit 0 | ||
| fi | ||
| if [ "$1" == "delete" ]; then | ||
| # Check if kind is installed | ||
| if [ ! -x "$(command -v kind)" ]; then | ||
| echo "kind is not installed" | ||
| exit 0 | ||
| fi | ||
| # Delete the kind cluster | ||
| echo "Deleting the kind cluster" | ||
| kind delete cluster --name "\$CLUSTER_NAME" || exit 1 | ||
| exit 0 | ||
| fi | ||
| EOF |
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