main.go

/*
Copyright 2022.

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 main

import (
	"flag"
	"os"
	"strconv"
	"strings"

	"go.uber.org/zap/zapcore"

	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
	// to ensure that exec-entrypoint and run can make use of them.
	_ "k8s.io/client-go/plugin/pkg/client/auth"

	cinderv1 "github.com/openstack-k8s-operators/cinder-operator/api/v1beta1"
	dataplanev1beta1 "github.com/openstack-k8s-operators/dataplane-operator/api/v1beta1"
	glancev1 "github.com/openstack-k8s-operators/glance-operator/api/v1beta1"
	heatv1 "github.com/openstack-k8s-operators/heat-operator/api/v1beta1"
	horizonv1 "github.com/openstack-k8s-operators/horizon-operator/api/v1beta1"
	clientv1 "github.com/openstack-k8s-operators/infra-operator/apis/client/v1beta1"
	memcachedv1 "github.com/openstack-k8s-operators/infra-operator/apis/memcached/v1beta1"
	networkv1 "github.com/openstack-k8s-operators/infra-operator/apis/network/v1beta1"
	rabbitmqv1 "github.com/openstack-k8s-operators/infra-operator/apis/rabbitmq/v1beta1"
	redisv1 "github.com/openstack-k8s-operators/infra-operator/apis/redis/v1beta1"
	ironicv1 "github.com/openstack-k8s-operators/ironic-operator/api/v1beta1"
	keystonev1 "github.com/openstack-k8s-operators/keystone-operator/api/v1beta1"
	manilav1 "github.com/openstack-k8s-operators/manila-operator/api/v1beta1"
	mariadbv1 "github.com/openstack-k8s-operators/mariadb-operator/api/v1beta1"
	neutronv1 "github.com/openstack-k8s-operators/neutron-operator/api/v1beta1"
	novav1 "github.com/openstack-k8s-operators/nova-operator/api/v1beta1"
	ansibleeev1 "github.com/openstack-k8s-operators/openstack-ansibleee-operator/api/v1alpha1"
	baremetalv1 "github.com/openstack-k8s-operators/openstack-baremetal-operator/api/v1beta1"
	ovnv1 "github.com/openstack-k8s-operators/ovn-operator/api/v1beta1"
	placementv1 "github.com/openstack-k8s-operators/placement-operator/api/v1beta1"
	swiftv1 "github.com/openstack-k8s-operators/swift-operator/api/v1beta1"
	telemetryv1 "github.com/openstack-k8s-operators/telemetry-operator/api/v1beta1"
	rabbitmqclusterv1 "github.com/rabbitmq/cluster-operator/api/v1beta1"
	"sigs.k8s.io/controller-runtime/pkg/client/config"

	"k8s.io/apimachinery/pkg/runtime"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/client-go/kubernetes"
	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
	ctrl "sigs.k8s.io/controller-runtime"
	"sigs.k8s.io/controller-runtime/pkg/healthz"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"

	corev1beta1 "github.com/openstack-k8s-operators/openstack-operator/apis/core/v1beta1"
	corecontrollers "github.com/openstack-k8s-operators/openstack-operator/controllers/core"
	//+kubebuilder:scaffold:imports
)

var (
	scheme   = runtime.NewScheme()
	setupLog = ctrl.Log.WithName("setup")
)

func init() {
	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
	utilruntime.Must(corev1beta1.AddToScheme(scheme))
	utilruntime.Must(keystonev1.AddToScheme(scheme))
	utilruntime.Must(mariadbv1.AddToScheme(scheme))
	utilruntime.Must(memcachedv1.AddToScheme(scheme))
	utilruntime.Must(rabbitmqclusterv1.AddToScheme(scheme))
	utilruntime.Must(placementv1.AddToScheme(scheme))
	utilruntime.Must(glancev1.AddToScheme(scheme))
	utilruntime.Must(cinderv1.AddToScheme(scheme))
	utilruntime.Must(novav1.AddToScheme(scheme))
	utilruntime.Must(baremetalv1.AddToScheme(scheme))
	utilruntime.Must(heatv1.AddToScheme(scheme))
	utilruntime.Must(ironicv1.AddToScheme(scheme))
	utilruntime.Must(ovnv1.AddToScheme(scheme))
	utilruntime.Must(neutronv1.AddToScheme(scheme))
	utilruntime.Must(dataplanev1beta1.AddToScheme(scheme))
	utilruntime.Must(ansibleeev1.AddToScheme(scheme))
	utilruntime.Must(rabbitmqv1.AddToScheme(scheme))
	utilruntime.Must(clientv1.AddToScheme(scheme))
	utilruntime.Must(manilav1.AddToScheme(scheme))
	utilruntime.Must(horizonv1.AddToScheme(scheme))
	utilruntime.Must(networkv1.AddToScheme(scheme))
	utilruntime.Must(telemetryv1.AddToScheme(scheme))
	utilruntime.Must(swiftv1.AddToScheme(scheme))
	//+kubebuilder:scaffold:scheme
}

func main() {
	var metricsAddr string
	var enableLeaderElection bool
	var probeAddr string
	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
		"Enable leader election for controller manager. "+
			"Enabling this will ensure there is only one active controller manager.")
	devMode, err := strconv.ParseBool(os.Getenv("DEV_MODE"))
	if err != nil {
		devMode = false
	}
	opts := zap.Options{
		Development: devMode,
		TimeEncoder: zapcore.ISO8601TimeEncoder,
	}
	opts.BindFlags(flag.CommandLine)
	flag.Parse()

	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))

	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
		Scheme:                 scheme,
		MetricsBindAddress:     metricsAddr,
		Port:                   9443,
		HealthProbeBindAddress: probeAddr,
		LeaderElection:         enableLeaderElection,
		LeaderElectionID:       "40ba705e.openstack.org",
		// LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily
		// when the Manager ends. This requires the binary to immediately end when the
		// Manager is stopped, otherwise, this setting is unsafe. Setting this significantly
		// speeds up voluntary leader transitions as the new leader don't have to wait
		// LeaseDuration time first.
		//
		// In the default scaffold provided, the program ends immediately after
		// the manager stops, so would be fine to enable this option. However,
		// if you are doing or is intended to do any operation such as perform cleanups
		// after the manager stops then its usage might be unsafe.
		// LeaderElectionReleaseOnCancel: true,
	})
	if err != nil {
		setupLog.Error(err, "unable to start manager")
		os.Exit(1)
	}

	cfg, err := config.GetConfig()
	if err != nil {
		setupLog.Error(err, "")
		os.Exit(1)
	}
	kclient, err := kubernetes.NewForConfig(cfg)
	if err != nil {
		setupLog.Error(err, "")
		os.Exit(1)
	}

	if err = (&corecontrollers.OpenStackControlPlaneReconciler{
		Client:  mgr.GetClient(),
		Scheme:  mgr.GetScheme(),
		Kclient: kclient,
		Log:     ctrl.Log.WithName("controllers").WithName("OpenStackControlPlane"),
	}).SetupWithManager(mgr); err != nil {
		setupLog.Error(err, "unable to create controller", "controller", "OpenStackControlPlane")
		os.Exit(1)
	}

	// Defaults for service operators
	setupServiceOperatorDefaults()

	// Defaults for anything else that was not covered by service operator defaults
	corev1beta1.SetupDefaults()

	// Webhooks
	if strings.ToLower(os.Getenv("ENABLE_WEBHOOKS")) != "false" {
		if err = (&corev1beta1.OpenStackControlPlane{}).SetupWebhookWithManager(mgr); err != nil {
			setupLog.Error(err, "unable to create webhook", "webhook", "OpenStackControlPlane")
			os.Exit(1)
		}
	}
	//+kubebuilder:scaffold:builder

	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
		setupLog.Error(err, "unable to set up health check")
		os.Exit(1)
	}
	if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
		setupLog.Error(err, "unable to set up ready check")
		os.Exit(1)
	}

	setupLog.Info("starting manager")
	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
		setupLog.Error(err, "problem running manager")
		os.Exit(1)
	}
}

// Set up any defaults used by service operator defaulting logic
func setupServiceOperatorDefaults() {
	// Acquire environmental defaults and initialize service operators that
	// require each respective default

	// Cinder
	cinderv1.SetupDefaults()

	// Glance
	glancev1.SetupDefaults()

	// Ironic
	ironicv1.SetupDefaults()

	// Keystone
	keystonev1.SetupDefaults()

	// Manila
	manilav1.SetupDefaults()

	// MariaDB
	mariadbv1.SetupDefaults()

	// Memcached
	memcachedv1.SetupDefaults()

	// Neutron
	neutronv1.SetupDefaults()

	// Nova
	novav1.SetupDefaults()

	// OpenStackClient
	clientv1.SetupDefaults()

	// OVN
	ovnv1.SetupDefaults()

	// Placement
	placementv1.SetupDefaults()

	// Heat
	heatDefaults := heatv1.HeatDefaults{
		APIContainerImageURL:    os.Getenv("HEAT_API_IMAGE_URL_DEFAULT"),
		EngineContainerImageURL: os.Getenv("HEAT_ENGINE_IMAGE_URL_DEFAULT"),
	}

	heatv1.SetupHeatDefaults(heatDefaults)

	// Redis
	redisv1.SetupDefaults()

	// DNS
	networkv1.SetupDefaults()

	// Ceilometer
	telemetryv1.SetupDefaultsCeilometerCentral()

	// Swift
	swiftv1.SetupDefaults()
}