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main.go
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main.go
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package main
import (
"encoding/json"
"github.com/brettbourgeois/concourse-k8s-resource/pkg/k8s"
"github.com/brettbourgeois/concourse-k8s-resource/pkg/models"
"github.com/brettbourgeois/concourse-k8s-resource/pkg/utils"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/client-go/kubernetes"
_ "k8s.io/client-go/plugin/pkg/client/auth"
"log"
"os"
)
func main() {
var request models.CheckRequest
if err := json.NewDecoder(os.Stdin).Decode(&request); err != nil {
log.Fatalln("Illegal input format:", err)
}
utils.Debug(&request.Source, "request: ", request)
clientset, _ := k8s.NewClientSet(&request.Source)
response := createCheckResponse(&request, clientset)
utils.Debug(&request.Source, "response:", response)
if err := json.NewEncoder(os.Stdout).Encode(response); err != nil {
log.Fatalln("Output Failure:", err)
}
}
func createCheckResponse(request *models.CheckRequest, clientset kubernetes.Interface) []models.Version {
newVersion, err := k8s.GetCurrentVersion(&request.Source, clientset)
if errors.IsNotFound(err) {
// resource not found
log.Printf("%v not found", request.Source.WatchResources)
return []models.Version{request.Version}
} else if err != nil {
panic(err.Error())
}
var response []models.Version
if request.Version.Revision != "" {
response = append(response, request.Version)
if request.Version.Revision != newVersion.Revision {
response = append(response, *newVersion)
}
} else {
response = append(response, *newVersion)
}
return response
}