270 lines
8.3 KiB
Go
270 lines
8.3 KiB
Go
/*
|
|
Copyright 2020 The Flux authors
|
|
|
|
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 (
|
|
goflag "flag"
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/go-logr/logr"
|
|
flag "github.com/spf13/pflag"
|
|
"helm.sh/helm/v3/pkg/getter"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
|
|
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
|
|
ctrl "sigs.k8s.io/controller-runtime"
|
|
crtlmetrics "sigs.k8s.io/controller-runtime/pkg/metrics"
|
|
|
|
"github.com/fluxcd/pkg/runtime/events"
|
|
"github.com/fluxcd/pkg/runtime/logger"
|
|
"github.com/fluxcd/pkg/runtime/metrics"
|
|
|
|
sourcev1 "github.com/fluxcd/source-controller/api/v1beta1"
|
|
"github.com/fluxcd/source-controller/controllers"
|
|
// +kubebuilder:scaffold:imports
|
|
)
|
|
|
|
var (
|
|
scheme = runtime.NewScheme()
|
|
setupLog = ctrl.Log.WithName("setup")
|
|
getters = getter.Providers{
|
|
getter.Provider{
|
|
Schemes: []string{"http", "https"},
|
|
New: getter.NewHTTPGetter,
|
|
},
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
_ = clientgoscheme.AddToScheme(scheme)
|
|
|
|
_ = sourcev1.AddToScheme(scheme)
|
|
// +kubebuilder:scaffold:scheme
|
|
}
|
|
|
|
func main() {
|
|
var (
|
|
metricsAddr string
|
|
eventsAddr string
|
|
enableLeaderElection bool
|
|
storagePath string
|
|
storageAddr string
|
|
storageAdvAddr string
|
|
concurrent int
|
|
watchAllNamespaces bool
|
|
logOptions logger.Options
|
|
)
|
|
|
|
flag.StringVar(&metricsAddr, "metrics-addr", envOrDefault("METRICS_ADDR", ":8080"),
|
|
"The address the metric endpoint binds to.")
|
|
flag.StringVar(&eventsAddr, "events-addr", envOrDefault("EVENTS_ADDR", ""),
|
|
"The address of the events receiver.")
|
|
flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
|
|
"Enable leader election for controller manager. "+
|
|
"Enabling this will ensure there is only one active controller manager.")
|
|
flag.StringVar(&storagePath, "storage-path", envOrDefault("STORAGE_PATH", ""),
|
|
"The local storage path.")
|
|
flag.StringVar(&storageAddr, "storage-addr", envOrDefault("STORAGE_ADDR", ":9090"),
|
|
"The address the static file server binds to.")
|
|
flag.StringVar(&storageAdvAddr, "storage-adv-addr", envOrDefault("STORAGE_ADV_ADDR", ""),
|
|
"The advertised address of the static file server.")
|
|
flag.IntVar(&concurrent, "concurrent", 2, "The number of concurrent reconciles per controller.")
|
|
flag.BoolVar(&watchAllNamespaces, "watch-all-namespaces", true,
|
|
"Watch for custom resources in all namespaces, if set to false it will only watch the runtime namespace.")
|
|
flag.Bool("log-json", false, "Set logging to JSON format.")
|
|
flag.CommandLine.MarkDeprecated("log-json", "Please use --log-encoding=json instead.")
|
|
{
|
|
var fs goflag.FlagSet
|
|
logOptions.BindFlags(&fs)
|
|
flag.CommandLine.AddGoFlagSet(&fs)
|
|
}
|
|
flag.Parse()
|
|
|
|
ctrl.SetLogger(logger.NewLogger(logOptions))
|
|
|
|
var eventRecorder *events.Recorder
|
|
if eventsAddr != "" {
|
|
if er, err := events.NewRecorder(eventsAddr, "source-controller"); err != nil {
|
|
setupLog.Error(err, "unable to create event recorder")
|
|
os.Exit(1)
|
|
} else {
|
|
eventRecorder = er
|
|
}
|
|
}
|
|
|
|
metricsRecorder := metrics.NewRecorder()
|
|
crtlmetrics.Registry.MustRegister(metricsRecorder.Collectors()...)
|
|
|
|
watchNamespace := ""
|
|
if !watchAllNamespaces {
|
|
watchNamespace = os.Getenv("RUNTIME_NAMESPACE")
|
|
}
|
|
|
|
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
|
|
Scheme: scheme,
|
|
MetricsBindAddress: metricsAddr,
|
|
Port: 9443,
|
|
LeaderElection: enableLeaderElection,
|
|
LeaderElectionID: "305740c0.fluxcd.io",
|
|
Namespace: watchNamespace,
|
|
Logger: ctrl.Log,
|
|
})
|
|
if err != nil {
|
|
setupLog.Error(err, "unable to start manager")
|
|
os.Exit(1)
|
|
}
|
|
|
|
if storageAdvAddr == "" {
|
|
storageAdvAddr = determineAdvStorageAddr(storageAddr, setupLog)
|
|
}
|
|
storage := mustInitStorage(storagePath, storageAdvAddr, setupLog)
|
|
go startFileServer(storage.BasePath, storageAddr, setupLog)
|
|
|
|
if err = (&controllers.GitRepositoryReconciler{
|
|
Client: mgr.GetClient(),
|
|
Scheme: mgr.GetScheme(),
|
|
Storage: storage,
|
|
EventRecorder: mgr.GetEventRecorderFor("source-controller"),
|
|
ExternalEventRecorder: eventRecorder,
|
|
MetricsRecorder: metricsRecorder,
|
|
}).SetupWithManagerAndOptions(mgr, controllers.GitRepositoryReconcilerOptions{
|
|
MaxConcurrentReconciles: concurrent,
|
|
}); err != nil {
|
|
setupLog.Error(err, "unable to create controller", "controller", sourcev1.GitRepositoryKind)
|
|
os.Exit(1)
|
|
}
|
|
if err = (&controllers.HelmRepositoryReconciler{
|
|
Client: mgr.GetClient(),
|
|
Scheme: mgr.GetScheme(),
|
|
Storage: storage,
|
|
Getters: getters,
|
|
EventRecorder: mgr.GetEventRecorderFor("source-controller"),
|
|
ExternalEventRecorder: eventRecorder,
|
|
MetricsRecorder: metricsRecorder,
|
|
}).SetupWithManagerAndOptions(mgr, controllers.HelmRepositoryReconcilerOptions{
|
|
MaxConcurrentReconciles: concurrent,
|
|
}); err != nil {
|
|
setupLog.Error(err, "unable to create controller", "controller", sourcev1.HelmRepositoryKind)
|
|
os.Exit(1)
|
|
}
|
|
if err = (&controllers.HelmChartReconciler{
|
|
Client: mgr.GetClient(),
|
|
Scheme: mgr.GetScheme(),
|
|
Storage: storage,
|
|
Getters: getters,
|
|
EventRecorder: mgr.GetEventRecorderFor("source-controller"),
|
|
ExternalEventRecorder: eventRecorder,
|
|
MetricsRecorder: metricsRecorder,
|
|
}).SetupWithManagerAndOptions(mgr, controllers.HelmChartReconcilerOptions{
|
|
MaxConcurrentReconciles: concurrent,
|
|
}); err != nil {
|
|
setupLog.Error(err, "unable to create controller", "controller", sourcev1.HelmChartKind)
|
|
os.Exit(1)
|
|
}
|
|
if err = (&controllers.BucketReconciler{
|
|
Client: mgr.GetClient(),
|
|
Scheme: mgr.GetScheme(),
|
|
Storage: storage,
|
|
EventRecorder: mgr.GetEventRecorderFor("source-controller"),
|
|
ExternalEventRecorder: eventRecorder,
|
|
MetricsRecorder: metricsRecorder,
|
|
}).SetupWithManagerAndOptions(mgr, controllers.BucketReconcilerOptions{
|
|
MaxConcurrentReconciles: concurrent,
|
|
}); err != nil {
|
|
setupLog.Error(err, "unable to create controller", "controller", "Bucket")
|
|
os.Exit(1)
|
|
}
|
|
// +kubebuilder:scaffold:builder
|
|
|
|
setupLog.Info("starting manager")
|
|
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
|
|
setupLog.Error(err, "problem running manager")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func startFileServer(path string, address string, l logr.Logger) {
|
|
fs := http.FileServer(http.Dir(path))
|
|
http.Handle("/", fs)
|
|
err := http.ListenAndServe(address, nil)
|
|
if err != nil {
|
|
l.Error(err, "file server error")
|
|
}
|
|
}
|
|
|
|
func mustInitStorage(path string, storageAdvAddr string, l logr.Logger) *controllers.Storage {
|
|
if path == "" {
|
|
p, _ := os.Getwd()
|
|
path = filepath.Join(p, "bin")
|
|
os.MkdirAll(path, 0777)
|
|
}
|
|
|
|
storage, err := controllers.NewStorage(path, storageAdvAddr, 5*time.Minute)
|
|
if err != nil {
|
|
l.Error(err, "unable to initialise storage")
|
|
os.Exit(1)
|
|
}
|
|
|
|
return storage
|
|
}
|
|
|
|
func determineAdvStorageAddr(storageAddr string, l logr.Logger) string {
|
|
// TODO(hidde): remove next MINOR prerelease as it can be passed in using
|
|
// Kubernetes' substitution.
|
|
if os.Getenv("RUNTIME_NAMESPACE") != "" {
|
|
svcParts := strings.Split(os.Getenv("HOSTNAME"), "-")
|
|
return fmt.Sprintf("%s.%s",
|
|
strings.Join(svcParts[:len(svcParts)-2], "-"), os.Getenv("RUNTIME_NAMESPACE"))
|
|
}
|
|
|
|
host, port, err := net.SplitHostPort(storageAddr)
|
|
if err != nil {
|
|
l.Error(err, "unable to parse storage address")
|
|
os.Exit(1)
|
|
}
|
|
switch host {
|
|
case "":
|
|
host = "localhost"
|
|
case "0.0.0.0":
|
|
host = os.Getenv("HOSTNAME")
|
|
if host == "" {
|
|
hn, err := os.Hostname()
|
|
if err != nil {
|
|
l.Error(err, "0.0.0.0 specified in storage addr but hostname is invalid")
|
|
os.Exit(1)
|
|
}
|
|
host = hn
|
|
}
|
|
}
|
|
return net.JoinHostPort(host, port)
|
|
}
|
|
|
|
func envOrDefault(envName, defaultValue string) string {
|
|
ret := os.Getenv(envName)
|
|
if ret != "" {
|
|
return ret
|
|
}
|
|
|
|
return defaultValue
|
|
}
|