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quick_start.go
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quick_start.go
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/*
Copyright 2020 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package e2e
import (
"context"
"fmt"
"os"
"path/filepath"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
corev1 "k8s.io/api/core/v1"
"k8s.io/utils/pointer"
"sigs.k8s.io/cluster-api/test/framework"
"sigs.k8s.io/cluster-api/test/framework/clusterctl"
"sigs.k8s.io/cluster-api/util"
)
// QuickStartSpecInput is the input for QuickStartSpec.
type QuickStartSpecInput struct {
E2EConfig *clusterctl.E2EConfig
ClusterctlConfigPath string
BootstrapClusterProxy framework.ClusterProxy
ArtifactFolder string
SkipCleanup bool
// InfrastructureProvider allows to specify the infrastructure provider to be used when looking for
// cluster templates.
// If not set, clusterctl will look at the infrastructure provider installed in the management cluster;
// if only one infrastructure provider exists, it will be used, otherwise the operation will fail if more than one exists.
InfrastructureProvider *string
// Flavor, if specified is the template flavor used to create the cluster for testing.
// If not specified, the default flavor for the selected infrastructure provider is used.
Flavor *string
// ControlPlaneMachineCount defines the number of control plane machines to be added to the workload cluster.
// If not specified, 1 will be used.
ControlPlaneMachineCount *int64
// WorkerMachineCount defines number of worker machines to be added to the workload cluster.
// If not specified, 1 will be used.
WorkerMachineCount *int64
// Allows to inject functions to be run while waiting for the control plane to be initialized,
// which unblocks CNI installation, and for the control plane machines to be ready (after CNI installation).
ControlPlaneWaiters clusterctl.ControlPlaneWaiters
// Allows to inject a function to be run after machines are provisioned.
// If not specified, this is a no-op.
PostMachinesProvisioned func(managementClusterProxy framework.ClusterProxy, workloadClusterNamespace, workloadClusterName string)
}
// QuickStartSpec implements a spec that mimics the operation described in the Cluster API quick start, that is
// creating a workload cluster.
// This test is meant to provide a first, fast signal to detect regression; it is recommended to use it as a PR blocker test.
// NOTE: This test works with Clusters with and without ClusterClass.
func QuickStartSpec(ctx context.Context, inputGetter func() QuickStartSpecInput) {
var (
specName = "quick-start"
input QuickStartSpecInput
namespace *corev1.Namespace
cancelWatches context.CancelFunc
clusterResources *clusterctl.ApplyClusterTemplateAndWaitResult
)
BeforeEach(func() {
Expect(ctx).NotTo(BeNil(), "ctx is required for %s spec", specName)
input = inputGetter()
Expect(input.E2EConfig).ToNot(BeNil(), "Invalid argument. input.E2EConfig can't be nil when calling %s spec", specName)
Expect(input.ClusterctlConfigPath).To(BeAnExistingFile(), "Invalid argument. input.ClusterctlConfigPath must be an existing file when calling %s spec", specName)
Expect(input.BootstrapClusterProxy).ToNot(BeNil(), "Invalid argument. input.BootstrapClusterProxy can't be nil when calling %s spec", specName)
Expect(os.MkdirAll(input.ArtifactFolder, 0750)).To(Succeed(), "Invalid argument. input.ArtifactFolder can't be created for %s spec", specName)
Expect(input.E2EConfig.Variables).To(HaveKey(KubernetesVersion))
// Setup a Namespace where to host objects for this spec and create a watcher for the namespace events.
namespace, cancelWatches = setupSpecNamespace(ctx, specName, input.BootstrapClusterProxy, input.ArtifactFolder)
clusterResources = new(clusterctl.ApplyClusterTemplateAndWaitResult)
})
It("Should create a workload cluster", func() {
By("Creating a workload cluster")
infrastructureProvider := clusterctl.DefaultInfrastructureProvider
if input.InfrastructureProvider != nil {
infrastructureProvider = *input.InfrastructureProvider
}
flavor := clusterctl.DefaultFlavor
if input.Flavor != nil {
flavor = *input.Flavor
}
controlPlaneMachineCount := pointer.Int64(1)
if input.ControlPlaneMachineCount != nil {
controlPlaneMachineCount = input.ControlPlaneMachineCount
}
workerMachineCount := pointer.Int64(1)
if input.WorkerMachineCount != nil {
workerMachineCount = input.WorkerMachineCount
}
clusterName := fmt.Sprintf("%s-%s", specName, util.RandomString(6))
clusterctl.ApplyClusterTemplateAndWait(ctx, clusterctl.ApplyClusterTemplateAndWaitInput{
ClusterProxy: input.BootstrapClusterProxy,
ConfigCluster: clusterctl.ConfigClusterInput{
LogFolder: filepath.Join(input.ArtifactFolder, "clusters", input.BootstrapClusterProxy.GetName()),
ClusterctlConfigPath: input.ClusterctlConfigPath,
KubeconfigPath: input.BootstrapClusterProxy.GetKubeconfigPath(),
InfrastructureProvider: infrastructureProvider,
Flavor: flavor,
Namespace: namespace.Name,
ClusterName: clusterName,
KubernetesVersion: input.E2EConfig.GetVariable(KubernetesVersion),
ControlPlaneMachineCount: controlPlaneMachineCount,
WorkerMachineCount: workerMachineCount,
},
ControlPlaneWaiters: input.ControlPlaneWaiters,
WaitForClusterIntervals: input.E2EConfig.GetIntervals(specName, "wait-cluster"),
WaitForControlPlaneIntervals: input.E2EConfig.GetIntervals(specName, "wait-control-plane"),
WaitForMachineDeployments: input.E2EConfig.GetIntervals(specName, "wait-worker-nodes"),
PostMachinesProvisioned: func() {
if input.PostMachinesProvisioned != nil {
input.PostMachinesProvisioned(input.BootstrapClusterProxy, namespace.Name, clusterName)
}
},
}, clusterResources)
By("PASSED!")
})
AfterEach(func() {
// Dumps all the resources in the spec namespace, then cleanups the cluster object and the spec namespace itself.
dumpSpecResourcesAndCleanup(ctx, specName, input.BootstrapClusterProxy, input.ArtifactFolder, namespace, cancelWatches, clusterResources.Cluster, input.E2EConfig.GetIntervals, input.SkipCleanup)
})
}