113 lines
2.9 KiB
Go
113 lines
2.9 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"log"
|
|
"os"
|
|
"os/signal"
|
|
"sync"
|
|
"syscall"
|
|
|
|
"github.com/zalando-incubator/postgres-operator/pkg/controller"
|
|
"github.com/zalando-incubator/postgres-operator/pkg/spec"
|
|
"github.com/zalando-incubator/postgres-operator/pkg/util/config"
|
|
"github.com/zalando-incubator/postgres-operator/pkg/util/k8sutil"
|
|
)
|
|
|
|
var (
|
|
KubeConfigFile string
|
|
podNamespace string
|
|
configMapName spec.NamespacedName
|
|
OutOfCluster bool
|
|
noTeamsAPI bool
|
|
noDBAccess bool
|
|
version string
|
|
)
|
|
|
|
func init() {
|
|
flag.StringVar(&KubeConfigFile, "kubeconfig", "", "Path to kubeconfig file with authorization and master location information.")
|
|
flag.BoolVar(&OutOfCluster, "outofcluster", false, "Whether the operator runs in- our outside of the Kubernetes cluster.")
|
|
flag.BoolVar(&noDBAccess, "nodatabaseaccess", false, "Disable all access to the database from the operator side.")
|
|
flag.BoolVar(&noTeamsAPI, "noteamsapi", false, "Disable all access to the teams API")
|
|
flag.Parse()
|
|
|
|
podNamespace = os.Getenv("MY_POD_NAMESPACE")
|
|
if podNamespace == "" {
|
|
podNamespace = "default"
|
|
}
|
|
|
|
configMap := os.Getenv("CONFIG_MAP_NAME")
|
|
if configMap != "" {
|
|
configMapName.Decode(configMap)
|
|
}
|
|
}
|
|
|
|
func ControllerConfig() *controller.Config {
|
|
restConfig, err := k8sutil.RestConfig(KubeConfigFile, OutOfCluster)
|
|
if err != nil {
|
|
log.Fatalf("Can't get REST config: %s", err)
|
|
}
|
|
|
|
client, err := k8sutil.KubernetesClient(restConfig)
|
|
if err != nil {
|
|
log.Fatalf("Can't create client: %s", err)
|
|
}
|
|
|
|
restClient, err := k8sutil.KubernetesRestClient(restConfig)
|
|
if err != nil {
|
|
log.Fatalf("Can't create rest client: %s", err)
|
|
}
|
|
|
|
return &controller.Config{
|
|
RestConfig: restConfig,
|
|
KubeClient: client,
|
|
RestClient: restClient,
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
configMapData := make(map[string]string)
|
|
log.SetOutput(os.Stdout)
|
|
log.Printf("Spilo operator %s\n", version)
|
|
|
|
sigs := make(chan os.Signal, 1)
|
|
stop := make(chan struct{})
|
|
signal.Notify(sigs, os.Interrupt, syscall.SIGTERM) // Push signals into channel
|
|
|
|
wg := &sync.WaitGroup{} // Goroutines can add themselves to this to be waited on
|
|
|
|
controllerConfig := ControllerConfig()
|
|
|
|
if configMapName != (spec.NamespacedName{}) {
|
|
configMap, err := controllerConfig.KubeClient.ConfigMaps(configMapName.Namespace).Get(configMapName.Name)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
configMapData = configMap.Data
|
|
} else {
|
|
log.Printf("No ConfigMap specified. Loading default values")
|
|
}
|
|
if configMapData["namespace"] == "" { // Namespace in ConfigMap has priority over env var
|
|
configMapData["namespace"] = podNamespace
|
|
}
|
|
if noDBAccess {
|
|
configMapData["enable_db_access"] = "false"
|
|
}
|
|
if noTeamsAPI {
|
|
configMapData["enable_teams_api"] = "false"
|
|
}
|
|
cfg := config.NewFromMap(configMapData)
|
|
|
|
log.Printf("Config: %s", cfg.MustMarshal())
|
|
|
|
c := controller.New(controllerConfig, cfg)
|
|
c.Run(stop, wg)
|
|
|
|
sig := <-sigs
|
|
log.Printf("Shutting down... %+v", sig)
|
|
|
|
close(stop) // Tell goroutines to stop themselves
|
|
wg.Wait() // Wait for all to be stopped
|
|
}
|