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main.go
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package main
import (
"flag"
"os"
"path/filepath"
"github.com/opendatahub-io/odh-platform/controllers/authzctrl"
"github.com/opendatahub-io/odh-platform/controllers/routingctrl"
"github.com/opendatahub-io/odh-platform/pkg/authorization"
"github.com/opendatahub-io/odh-platform/pkg/config"
"github.com/opendatahub-io/odh-platform/pkg/platform"
"github.com/opendatahub-io/odh-platform/pkg/routing"
pschema "github.com/opendatahub-io/odh-platform/pkg/schema"
"github.com/opendatahub-io/odh-platform/version"
"k8s.io/apimachinery/pkg/runtime"
_ "k8s.io/client-go/plugin/pkg/client/auth" // Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.) to ensure that exec-entrypoint and run can make use of them.
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
)
//nolint:gochecknoglobals //reason: used only here
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
metricsAddr string
enableLeaderElection bool
probeAddr string
)
func init() { //nolint:gochecknoinits //reason this way we ensure schemes are always registered before we start anything
pschema.RegisterSchemes(scheme)
}
func main() {
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.")
opts := zap.Options{
Development: true, // TODO: expose as flag to alternate the mode for production instance.
}
opts.BindFlags(flag.CommandLine)
flag.Parse()
ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
HealthProbeBindAddress: probeAddr,
LeaderElection: enableLeaderElection,
LeaderElectionID: "odh-platform",
Metrics: metricsserver.Options{
BindAddress: metricsAddr,
},
})
if err != nil {
setupLog.Error(err, "unable to create manager")
os.Exit(1)
}
ctrlLog := ctrl.Log.WithName("controllers").WithName("platform")
ctrlLog.Info("creating controller instances", "version", version.Version, "commit", version.Commit, "build-time", version.BuildTime)
var protectedResources []platform.ProtectedResource
authzPath := filepath.Join(config.GetConfigFile(), "authorization")
if errLoadAuthz := config.Load(&protectedResources, authzPath); errLoadAuthz != nil {
setupLog.Error(errLoadAuthz, "unable to load config from "+authzPath)
os.Exit(1)
}
authorizationConfig := authorization.ProviderConfig{
Label: config.GetAuthorinoLabel(),
Audiences: config.GetAuthAudience(),
ProviderName: config.GetAuthProvider(),
}
for _, component := range protectedResources {
if err = authzctrl.New(mgr.GetClient(), ctrlLog, component, authorizationConfig).
SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "authorization", "component", component.ResourceReference.Kind)
os.Exit(1)
}
}
var routingTargets []platform.RoutingTarget
routingPath := filepath.Join(config.GetConfigFile(), "routing")
if errLoadRouting := config.Load(&routingTargets, routingPath); errLoadRouting != nil {
setupLog.Error(errLoadRouting, "unable to load config from "+routingPath)
os.Exit(1)
}
routingConfig := routing.IngressConfig{
IngressSelectorLabel: config.GetIngressSelectorKey(),
IngressSelectorValue: config.GetIngressSelectorValue(),
IngressService: config.GetGatewayService(),
GatewayNamespace: config.GetGatewayNamespace(),
}
for _, component := range routingTargets {
if err = routingctrl.New(
mgr.GetClient(),
ctrlLog,
component,
routingConfig,
).
SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "routing", "component", component.ResourceReference.Kind)
os.Exit(1)
}
}
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)
}
}