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controller.go
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controller.go
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package unhealthynode
import (
"context"
"time"
"github.com/giantswarm/certs/v3/pkg/certs"
"github.com/giantswarm/k8sclient/v5/pkg/k8sclient"
"github.com/giantswarm/microerror"
"github.com/giantswarm/micrologger"
"github.com/giantswarm/operatorkit/v4/pkg/controller"
"github.com/giantswarm/operatorkit/v4/pkg/resource"
"github.com/giantswarm/operatorkit/v4/pkg/resource/wrapper/metricsresource"
"github.com/giantswarm/operatorkit/v4/pkg/resource/wrapper/retryresource"
"github.com/giantswarm/tenantcluster/v3/pkg/tenantcluster"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/cluster-api/api/v1alpha3"
"github.com/giantswarm/azure-operator/v5/client"
"github.com/giantswarm/azure-operator/v5/pkg/credential"
"github.com/giantswarm/azure-operator/v5/pkg/label"
"github.com/giantswarm/azure-operator/v5/pkg/project"
"github.com/giantswarm/azure-operator/v5/service/collector"
"github.com/giantswarm/azure-operator/v5/service/controller/unhealthynode/handler/terminateunhealthynode"
)
type ControllerConfig struct {
K8sClient k8sclient.Interface
Logger micrologger.Logger
AzureMetricsCollector collector.AzureAPIMetrics
CredentialProvider credential.Provider
SentryDSN string
}
type Controller struct {
*controller.Controller
}
func NewController(config ControllerConfig) (*controller.Controller, error) {
var err error
if config.K8sClient == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.K8sClient must not be empty", config)
}
if config.Logger == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.Logger must not be empty", config)
}
if config.AzureMetricsCollector == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.AzureMetricsCollector must not be empty", config)
}
if config.CredentialProvider == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.CredentialProvider must not be empty", config)
}
var certsSearcher *certs.Searcher
{
c := certs.Config{
K8sClient: config.K8sClient.K8sClient(),
Logger: config.Logger,
WatchTimeout: 30 * time.Second,
}
certsSearcher, err = certs.NewSearcher(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
var resources []resource.Interface
{
resources, err = newTerminateUnhealthyNodeResources(config, certsSearcher)
if err != nil {
return nil, microerror.Mask(err)
}
}
var operatorkitController *controller.Controller
{
c := controller.Config{
InitCtx: func(ctx context.Context, obj interface{}) (context.Context, error) {
return ctx, nil
},
K8sClient: config.K8sClient,
Logger: config.Logger,
// Name is used to compute finalizer names. This results in something
// like operatorkit.giantswarm.io/azure-operator-machine-pool-controller.
Name: project.Name() + "-terminate-unhealthy-node-controller",
NewRuntimeObjectFunc: func() runtime.Object {
return new(v1alpha3.Cluster)
},
Resources: resources,
Selector: labels.SelectorFromSet(map[string]string{
label.OperatorVersion: project.Version(),
}),
SentryDSN: config.SentryDSN,
}
operatorkitController, err = controller.New(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
return operatorkitController, nil
}
func newTerminateUnhealthyNodeResources(config ControllerConfig, certsSearcher *certs.Searcher) ([]resource.Interface, error) {
var err error
var clientFactory *client.Factory
{
c := client.FactoryConfig{
AzureAPIMetrics: config.AzureMetricsCollector,
CacheDuration: 30 * time.Minute,
CredentialProvider: config.CredentialProvider,
Logger: config.Logger,
}
clientFactory, err = client.NewFactory(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
var organizationClientFactory client.OrganizationFactory
{
c := client.OrganizationFactoryConfig{
CtrlClient: config.K8sClient.CtrlClient(),
Factory: clientFactory,
Logger: config.Logger,
}
organizationClientFactory = client.NewOrganizationFactory(c)
}
var tenantRestConfigProvider *tenantcluster.TenantCluster
{
c := tenantcluster.Config{
CertID: certs.APICert,
CertsSearcher: certsSearcher,
Logger: config.Logger,
}
tenantRestConfigProvider, err = tenantcluster.New(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
var terminateUnhealthyNodeResource resource.Interface
{
c := terminateunhealthynode.Config{
AzureClientsFactory: &organizationClientFactory,
CtrlClient: config.K8sClient.CtrlClient(),
Logger: config.Logger,
TenantRestConfigProvider: tenantRestConfigProvider,
}
terminateUnhealthyNodeResource, err = terminateunhealthynode.New(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
resources := []resource.Interface{
terminateUnhealthyNodeResource,
}
{
c := retryresource.WrapConfig{
Logger: config.Logger,
}
resources, err = retryresource.Wrap(resources, c)
if err != nil {
return nil, microerror.Mask(err)
}
}
{
c := metricsresource.WrapConfig{}
resources, err = metricsresource.Wrap(resources, c)
if err != nil {
return nil, microerror.Mask(err)
}
}
return resources, nil
}