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Refactor reconcilers and controller manager
Signed-off-by: Chris Doherty <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,225 +1,54 @@ | ||
| package controller | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/go-logr/zapr" | ||
| "github.com/tinkerbell/tink/api/v1alpha1" | ||
| "github.com/tinkerbell/tink/internal/workflow" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| clientgoscheme "k8s.io/client-go/kubernetes/scheme" | ||
| "k8s.io/client-go/rest" | ||
| "knative.dev/pkg/logging" | ||
| controllerruntime "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/healthz" | ||
| "sigs.k8s.io/controller-runtime/pkg/manager" | ||
| ) | ||
|
|
||
| const ( | ||
| WorkflowWorkerAddrIndex = ".status.tasks.workerAddr" | ||
| WorkflowWorkerNonTerminalStateIndex = ".status.state.nonTerminalWorker" | ||
| WorkflowStateIndex = ".status.state" | ||
| HardwareMACAddrIndex = ".spec.interfaces.dhcp.mac" | ||
| HardwareIPAddrIndex = ".spec.interfaces.dhcp.ip" | ||
| var schemeBuilder = runtime.NewSchemeBuilder( | ||
| clientgoscheme.AddToScheme, | ||
| v1alpha1.AddToScheme, | ||
| ) | ||
|
|
||
| var ( | ||
| runtimescheme = runtime.NewScheme() | ||
| options = Options{} | ||
| ) | ||
|
|
||
| func init() { | ||
| _ = clientgoscheme.AddToScheme(runtimescheme) | ||
| _ = v1alpha1.AddToScheme(runtimescheme) | ||
| } | ||
|
|
||
| // Options for running this binary. | ||
| type Options struct { | ||
| MetricsPort int | ||
| HealthProbePort int | ||
| } | ||
|
|
||
| // GetControllerOptions returns a set of options used by the Tink controller. | ||
| // These options include leader election enabled. | ||
| func GetControllerOptions() controllerruntime.Options { | ||
| return controllerruntime.Options{ | ||
| Logger: zapr.NewLogger(logging.FromContext(context.Background()).Desugar()), | ||
| LeaderElection: true, | ||
| LeaderElectionID: "tink-leader-election", | ||
| Scheme: runtimescheme, | ||
| MetricsBindAddress: fmt.Sprintf(":%d", options.MetricsPort), | ||
| HealthProbeBindAddress: fmt.Sprintf(":%d", options.HealthProbePort), | ||
| } | ||
| // DefaultScheme returns a default scheme for the manager that includes Go client and Tink API | ||
| // schemes. | ||
| func DefaultScheme() *runtime.Scheme { | ||
| scheme := runtime.NewScheme() | ||
| _ = schemeBuilder.AddToScheme(scheme) | ||
| return scheme | ||
| } | ||
|
|
||
| // GetNamespacedControllerOptions returns a set of options used by the Tink controller. | ||
| // These options include leader election enabled. | ||
| func GetNamespacedControllerOptions(namespace string) controllerruntime.Options { | ||
| opts := GetControllerOptions() | ||
| opts.Namespace = namespace | ||
| return opts | ||
| } | ||
|
|
||
| // GetServerOptions returns a set of options used by the Tink API. | ||
| // These options include leader election disabled. | ||
| func GetServerOptions() controllerruntime.Options { | ||
| return controllerruntime.Options{ | ||
| Logger: zapr.NewLogger(logging.FromContext(context.Background()).Desugar()), | ||
| LeaderElection: false, | ||
| Scheme: runtimescheme, | ||
| MetricsBindAddress: fmt.Sprintf(":%d", options.MetricsPort), | ||
| HealthProbeBindAddress: fmt.Sprintf(":%d", options.HealthProbePort), | ||
| // NewManager creates a controller-runtime manager with all controllers necessary for Tink | ||
| // pre-registered. If opts.Scheme is nil, DefaultScheme() is used. | ||
| func NewManager(config *rest.Config, opts ctrl.Options) (ctrl.Manager, error) { | ||
| if opts.Scheme == nil { | ||
| opts.Scheme = DefaultScheme() | ||
| } | ||
| } | ||
|
|
||
| // NewManagerOrDie instantiates a controller manager. | ||
| func NewManagerOrDie(config *rest.Config, options controllerruntime.Options) Manager { | ||
| m, err := NewManager(config, options) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return m | ||
| } | ||
|
|
||
| // NewManager instantiates a controller manager. | ||
| func NewManager(config *rest.Config, options controllerruntime.Options) (Manager, error) { | ||
| m, err := controllerruntime.NewManager(config, options) | ||
| mgr, err := ctrl.NewManager(config, opts) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| indexers := []struct { | ||
| obj client.Object | ||
| field string | ||
| extractValue client.IndexerFunc | ||
| }{ | ||
| { | ||
| &v1alpha1.Workflow{}, | ||
| WorkflowWorkerAddrIndex, | ||
| WorkflowWorkerAddrIndexFunc, | ||
| }, | ||
| { | ||
| &v1alpha1.Workflow{}, | ||
| WorkflowWorkerNonTerminalStateIndex, | ||
| WorkflowWorkerNonTerminalStateIndexFunc, | ||
| }, | ||
| { | ||
| &v1alpha1.Workflow{}, | ||
| WorkflowStateIndex, | ||
| WorkflowStateIndexFunc, | ||
| }, | ||
| { | ||
| &v1alpha1.Hardware{}, | ||
| HardwareIPAddrIndex, | ||
| HardwareIPIndexFunc, | ||
| }, | ||
| { | ||
| &v1alpha1.Hardware{}, | ||
| HardwareMACAddrIndex, | ||
| HardwareMacIndexFunc, | ||
| }, | ||
| } | ||
| for _, indexer := range indexers { | ||
| if err := m.GetFieldIndexer().IndexField( | ||
| context.Background(), | ||
| indexer.obj, | ||
| indexer.field, | ||
| indexer.extractValue, | ||
| ); err != nil { | ||
| return nil, fmt.Errorf("failed to setup %s indexer, %w", indexer.field, err) | ||
| } | ||
| } | ||
| return &GenericControllerManager{Manager: m}, nil | ||
| } | ||
|
|
||
| // GenericControllerManager is a manager.Manager that allows for registering of controllers. | ||
| type GenericControllerManager struct { | ||
| manager.Manager | ||
| } | ||
|
|
||
| // RegisterControllers registers a set of controllers to the controller manager. | ||
| func (m *GenericControllerManager) RegisterControllers(ctx context.Context, controllers ...Controller) Manager { | ||
| for _, c := range controllers { | ||
| if err := c.Register(ctx, m); err != nil { | ||
| panic(err) | ||
| } | ||
| if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil { | ||
| return nil, fmt.Errorf("set up health check: %w", err) | ||
| } | ||
| if err := m.AddHealthzCheck("healthz", healthz.Ping); err != nil { | ||
| panic(fmt.Sprintf("Failed to add readiness probe, %s", err.Error())) | ||
| } | ||
| return m | ||
| } | ||
|
|
||
| // WorkflowWorkerAddrIndexFunc func returns a list of worker addresses from a workflow. | ||
| func WorkflowWorkerAddrIndexFunc(obj client.Object) []string { | ||
| wf, ok := obj.(*v1alpha1.Workflow) | ||
| if !ok { | ||
| return nil | ||
| } | ||
| resp := []string{} | ||
| for _, task := range wf.Status.Tasks { | ||
| if task.WorkerAddr != "" { | ||
| resp = append(resp, task.WorkerAddr) | ||
| } | ||
| } | ||
| return resp | ||
| } | ||
|
|
||
| // WorkflowWorkerNonTerminalStateIndexFunc func returns a list of worker addresses for workflows | ||
| // in a running or pending state. | ||
| func WorkflowWorkerNonTerminalStateIndexFunc(obj client.Object) []string { | ||
| wf, ok := obj.(*v1alpha1.Workflow) | ||
| if !ok { | ||
| return nil | ||
| } | ||
|
|
||
| resp := []string{} | ||
| if !(wf.Status.State == v1alpha1.WorkflowStateRunning || wf.Status.State == v1alpha1.WorkflowStatePending) { | ||
| return resp | ||
| } | ||
| for _, task := range wf.Status.Tasks { | ||
| if task.WorkerAddr != "" { | ||
| resp = append(resp, task.WorkerAddr) | ||
| } | ||
| } | ||
| return resp | ||
| } | ||
|
|
||
| // WorkflowStateIndexFunc func returns the workflow state. | ||
| func WorkflowStateIndexFunc(obj client.Object) []string { | ||
| wf, ok := obj.(*v1alpha1.Workflow) | ||
| if !ok { | ||
| return nil | ||
| if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil { | ||
| return nil, fmt.Errorf("set up ready check: %w", err) | ||
| } | ||
| return []string{string(wf.Status.State)} | ||
| } | ||
|
|
||
| // HardwareMacIndexFunc returns a list of mac addresses from a hardware. | ||
| func HardwareMacIndexFunc(obj client.Object) []string { | ||
| hw, ok := obj.(*v1alpha1.Hardware) | ||
| if !ok { | ||
| return nil | ||
| } | ||
| resp := []string{} | ||
| for _, iface := range hw.Spec.Interfaces { | ||
| if iface.DHCP != nil && iface.DHCP.MAC != "" { | ||
| resp = append(resp, iface.DHCP.MAC) | ||
| } | ||
| err = workflow.NewReconciler(mgr.GetClient()).SetupWithManager(mgr) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("setup workflow reconciler: %w", err) | ||
| } | ||
| return resp | ||
| } | ||
|
|
||
| // HardwareIPIndexFunc returns a list of IP addresses from a hardware. | ||
| func HardwareIPIndexFunc(obj client.Object) []string { | ||
| hw, ok := obj.(*v1alpha1.Hardware) | ||
| if !ok { | ||
| return nil | ||
| } | ||
| resp := []string{} | ||
| for _, iface := range hw.Spec.Interfaces { | ||
| if iface.DHCP != nil && iface.DHCP.IP != nil && iface.DHCP.IP.Address != "" { | ||
| resp = append(resp, iface.DHCP.IP.Address) | ||
| } | ||
| } | ||
| return resp | ||
| return mgr, nil | ||
| } |
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