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aws.go
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aws.go
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/*
Copyright 2022 The Kubermatic Kubernetes Platform contributors.
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 cloudcontroller
import (
"fmt"
kubermaticv1 "k8c.io/kubermatic/v2/pkg/apis/kubermatic/v1"
"k8c.io/kubermatic/v2/pkg/kubernetes"
"k8c.io/kubermatic/v2/pkg/resources"
"k8c.io/kubermatic/v2/pkg/resources/registry"
"k8c.io/kubermatic/v2/pkg/semver"
"k8c.io/reconciler/pkg/reconciling"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/utils/ptr"
)
const (
AWSCCMDeploymentName = "aws-cloud-controller-manager"
)
var (
awsResourceRequirements = corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceMemory: resource.MustParse("300Mi"),
corev1.ResourceCPU: resource.MustParse("200m"),
},
Limits: corev1.ResourceList{
corev1.ResourceMemory: resource.MustParse("512Mi"),
corev1.ResourceCPU: resource.MustParse("1"),
},
}
)
func awsDeploymentReconciler(data *resources.TemplateData) reconciling.NamedDeploymentReconcilerFactory {
return func() (string, reconciling.DeploymentReconciler) {
return AWSCCMDeploymentName, func(dep *appsv1.Deployment) (*appsv1.Deployment, error) {
dep.Spec.Replicas = resources.Int32(1)
podLabels, err := data.GetPodTemplateLabels(AWSCCMDeploymentName, dep.Spec.Template.Spec.Volumes, nil)
if err != nil {
return nil, err
}
kubernetes.EnsureLabels(&dep.Spec.Template, podLabels)
dep.Spec.Template.Spec.DNSPolicy, dep.Spec.Template.Spec.DNSConfig, err =
resources.UserClusterDNSPolicyAndConfig(data)
if err != nil {
return nil, err
}
ccmVersion := AWSCCMVersion(data.Cluster().Spec.Version)
flags := []string{
"/bin/aws-cloud-controller-manager",
"--kubeconfig=/etc/kubernetes/kubeconfig/kubeconfig",
"--cloud-config=/etc/kubernetes/cloud/config",
"--cloud-provider=aws", "--configure-cloud-routes=false",
fmt.Sprintf("--cluster-cidr=%s", data.Cluster().Spec.ClusterNetwork.Pods.GetIPv4CIDR()),
}
if data.Cluster().Spec.Features[kubermaticv1.ClusterFeatureCCMClusterName] {
flags = append(flags, "--cluster-name", data.Cluster().Name)
}
dep.Spec.Template.Spec.AutomountServiceAccountToken = ptr.To(false)
dep.Spec.Template.Spec.Volumes = getVolumes(data.IsKonnectivityEnabled(), true)
dep.Spec.Template.Spec.Containers = []corev1.Container{
{
Name: ccmContainerName,
Image: registry.Must(data.RewriteImage(resources.RegistryK8S + "/provider-aws/cloud-controller-manager:" + ccmVersion)),
Command: flags,
Env: append(
getEnvVars(),
corev1.EnvVar{
Name: "AWS_ACCESS_KEY_ID",
ValueFrom: &corev1.EnvVarSource{
SecretKeyRef: &corev1.SecretKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: resources.ClusterCloudCredentialsSecretName,
},
Key: resources.AWSAccessKeyID,
},
},
},
corev1.EnvVar{
Name: "AWS_SECRET_ACCESS_KEY",
ValueFrom: &corev1.EnvVarSource{
SecretKeyRef: &corev1.SecretKeySelector{
LocalObjectReference: corev1.LocalObjectReference{
Name: resources.ClusterCloudCredentialsSecretName,
},
Key: resources.AWSSecretAccessKey,
},
},
},
),
VolumeMounts: getVolumeMounts(true),
},
}
defResourceRequirements := map[string]*corev1.ResourceRequirements{
ccmContainerName: awsResourceRequirements.DeepCopy(),
}
err = resources.SetResourceRequirements(dep.Spec.Template.Spec.Containers, defResourceRequirements, nil, dep.Annotations)
if err != nil {
return nil, fmt.Errorf("failed to set resource requirements: %w", err)
}
return dep, nil
}
}
}
func AWSCCMVersion(version semver.Semver) string {
// https://github.com/kubernetes/cloud-provider-aws/releases
switch version.MajorMinor() {
case v124:
return "v1.24.4"
case v125:
return "v1.25.3"
case v126:
return "v1.26.1"
case v127:
return "v1.27.1"
case v128:
fallthrough
default:
return "v1.28.1"
}
}