/
tcnp.go
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/
tcnp.go
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package cloudconfig
import (
"context"
"fmt"
"strings"
"sync"
infrastructurev1alpha3 "github.com/giantswarm/apiextensions/v6/pkg/apis/infrastructure/v1alpha3"
"github.com/giantswarm/certs/v4/pkg/certs"
k8scloudconfig "github.com/giantswarm/k8scloudconfig/v18/pkg/template"
"github.com/giantswarm/k8smetadata/pkg/annotation"
"github.com/giantswarm/microerror"
"github.com/giantswarm/randomkeys/v3"
"golang.org/x/sync/errgroup"
"k8s.io/apimachinery/pkg/api/meta"
apiv1beta1 "sigs.k8s.io/cluster-api/api/v1beta1"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/giantswarm/aws-operator/v16/pkg/label"
"github.com/giantswarm/aws-operator/v16/service/controller/controllercontext"
"github.com/giantswarm/aws-operator/v16/service/controller/key"
)
type TCNPConfig struct {
Config Config
}
type TCNP struct {
config Config
}
func NewTCNP(config TCNPConfig) (*TCNP, error) {
err := config.Config.Validate()
if err != nil {
return nil, microerror.Mask(err)
}
t := &TCNP{
config: config.Config,
}
return t, nil
}
func (t *TCNP) NewPaths(ctx context.Context, obj interface{}) ([]string, error) {
cr, err := meta.Accessor(obj)
if err != nil {
return nil, microerror.Mask(err)
}
return []string{key.S3ObjectPathTCNP(cr)}, nil
}
func (t *TCNP) NewTemplates(ctx context.Context, obj interface{}) ([]string, error) {
cr, err := key.ToMachineDeployment(obj)
if err != nil {
return nil, microerror.Mask(err)
}
cc, err := controllercontext.FromContext(ctx)
if err != nil {
return nil, microerror.Mask(err)
}
ek, err := t.config.Encrypter.EncryptionKey(ctx, key.ClusterID(&cr))
if err != nil {
return nil, microerror.Mask(err)
}
im, err := t.config.Images.CC(ctx, obj)
if err != nil {
return nil, microerror.Mask(err)
}
v, err := t.config.Images.Versions(ctx, obj)
if err != nil {
return nil, microerror.Mask(err)
}
var awsCluster infrastructurev1alpha3.AWSCluster
{
var list infrastructurev1alpha3.AWSClusterList
err := t.config.K8sClient.CtrlClient().List(
ctx,
&list,
client.InNamespace(cr.Namespace),
client.MatchingLabels{label.Cluster: key.ClusterID(&cr)},
)
if err != nil {
return nil, microerror.Mask(err)
}
if len(list.Items) != 1 {
return nil, microerror.Maskf(executionFailedError, "expected 1 CR got %d", len(list.Items))
}
awsCluster = list.Items[0]
}
var cluster apiv1beta1.Cluster
{
err = t.config.K8sClient.CtrlClient().Get(ctx, client.ObjectKey{Namespace: awsCluster.Namespace, Name: awsCluster.Name}, &cluster)
if err != nil {
return nil, microerror.Mask(err)
}
}
var md apiv1beta1.MachineDeployment
{
var list apiv1beta1.MachineDeploymentList
err := t.config.K8sClient.CtrlClient().List(
ctx,
&list,
client.InNamespace(cr.Namespace),
client.MatchingLabels{label.Cluster: key.ClusterID(&cr)},
client.MatchingLabels{label.MachineDeployment: cr.Name},
)
if err != nil {
return nil, microerror.Mask(err)
}
if len(list.Items) != 1 {
return nil, microerror.Maskf(executionFailedError, "expected 1 CR got %d", len(list.Items))
}
md = list.Items[0]
}
_, forceCGroupsV1 := md.Annotations[annotation.NodeForceCGroupsV1]
var certFiles []certs.File
{
g := &errgroup.Group{}
m := sync.Mutex{}
g.Go(func() error {
tls, err := t.config.CertsSearcher.SearchTLS(ctx, key.ClusterID(&cr), certs.ServiceAccountCert)
if err != nil {
return microerror.Mask(err)
}
m.Lock()
certFiles = append(certFiles, certs.NewFilesServiceAccount(tls)...)
m.Unlock()
return nil
})
g.Go(func() error {
tls, err := t.config.CertsSearcher.SearchTLS(ctx, key.ClusterID(&cr), certs.WorkerCert)
if err != nil {
return microerror.Mask(err)
}
m.Lock()
certFiles = append(certFiles, certs.NewFilesWorker(tls)...)
m.Unlock()
return nil
})
g.Go(func() error {
tls, err := t.config.CertsSearcher.SearchTLS(ctx, key.ClusterID(&cr), certs.PrometheusEtcdClientCert)
if err != nil {
return microerror.Mask(err)
}
m.Lock()
certFiles = append(certFiles, certs.NewFilesPrometheusEtcdClient(tls)...)
m.Unlock()
return nil
})
err := g.Wait()
if certs.IsTimeout(err) {
return nil, microerror.Maskf(timeoutError, "waited too long for certificates")
} else if randomkeys.IsTimeout(err) {
return nil, microerror.Maskf(timeoutError, "waited too long for random keys")
} else if err != nil {
return nil, microerror.Mask(err)
}
}
var kubeletExtraArgs []string
{
if t.config.PodInfraContainerImage != "" {
kubeletExtraArgs = append(kubeletExtraArgs, fmt.Sprintf("--pod-infra-container-image=%s", t.config.PodInfraContainerImage))
}
kubeletExtraArgs = append(kubeletExtraArgs, t.config.KubeletExtraArgs...)
}
// Allow the actual externalSNAT to be set by the CR.
var externalSNAT bool
if key.ExternalSNAT(awsCluster) == nil {
externalSNAT = t.config.ExternalSNAT
} else {
externalSNAT = *key.ExternalSNAT(awsCluster)
}
hasCilium, err := key.HasCilium(&awsCluster)
if err != nil {
return nil, microerror.Mask(err)
}
var awsCNIPrefix bool
true_value := "true"
if !hasCilium {
{
if v, ok := awsCluster.GetAnnotations()[annotation.AWSCNIPrefixDelegation]; ok && v == true_value {
awsCNIPrefix = true
}
}
{
if v, ok := md.GetAnnotations()[annotation.AWSCNIPrefixDelegation]; ok && v == true_value {
awsCNIPrefix = true
}
}
}
var params k8scloudconfig.Params
{
// Default registry, kubernetes, etcd images etcd.
// Required for proper rending of the templates.
params = k8scloudconfig.Params{}
g8sConfig := cmaClusterToG8sConfig(t.config, awsCluster, key.KubeletLabelsTCNP(&cr))
if hasCilium {
params.EnableAWSCNI = false
params.DisableCalico = true
params.CalicoPolicyOnly = false
params.DisableKubeProxy = true
params.AWSCiliumENIMode = key.IsCiliumEniModeEnabled(cluster)
} else {
params.EnableAWSCNI = true
params.AWSCNISubnetPrefixMode = awsCNIPrefix
params.DisableCalico = false
params.CalicoPolicyOnly = true
params.DisableKubeProxy = false
}
params.Cluster = g8sConfig.Cluster
params.DockerhubToken = t.config.DockerhubToken
params.Extension = &TCNPExtension{
awsConfigSpec: cmaClusterToG8sConfig(t.config, awsCluster, key.KubeletLabelsTCNP(&cr)),
cc: cc,
cluster: awsCluster,
clusterCerts: certFiles,
encrypter: t.config.Encrypter,
encryptionKey: ek,
externalSNAT: externalSNAT,
registryDomain: t.config.RegistryDomain,
}
params.ExternalCloudControllerManager = false
params.ForceCGroupsV1 = forceCGroupsV1
params.Kubernetes.Kubelet.CommandExtraArgs = kubeletExtraArgs
params.RegistryMirrors = t.config.RegistryMirrors
params.Images = im
params.SSOPublicKey = t.config.SSOPublicKey
params.Versions = v
cgroupsLabelValue := "v2"
if forceCGroupsV1 {
cgroupsLabelValue = "v1"
}
labels := params.Cluster.Kubernetes.Kubelet.Labels
splitted := strings.Split(labels, ",")
splitted = append(splitted, fmt.Sprintf("%s=%s", label.CGroupVersion, cgroupsLabelValue))
params.Cluster.Kubernetes.Kubelet.Labels = strings.Join(splitted, ",")
ignitionPath := k8scloudconfig.GetIgnitionPath(t.config.IgnitionPath)
params.Files, err = k8scloudconfig.RenderFiles(ignitionPath, params)
if err != nil {
return nil, microerror.Mask(err)
}
}
var templateBody string
{
c := k8scloudconfig.CloudConfigConfig{
Params: params,
Template: k8scloudconfig.WorkerTemplate,
}
cloudConfig, err := k8scloudconfig.NewCloudConfig(c)
if err != nil {
return nil, microerror.Mask(err)
}
err = cloudConfig.ExecuteTemplate()
if err != nil {
return nil, microerror.Mask(err)
}
templateBody = cloudConfig.String()
}
return []string{templateBody}, nil
}