Basic Grafeas List Occurrences Client

main.go

package main

import (
	"context"
	"crypto/tls"
	"crypto/x509"
	"io/ioutil"
	"log"
	"fmt"

	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"
	"google.golang.org/genproto/googleapis/devtools/containeranalysis/v1beta1/grafeas"
)

const (
	address     = "grafeas-server:443"
	defaultName = "world"
	caFile      = "ca.pem"
)

func main() {
	log.Printf("Hello")
	
	
	// Load CA cert
	caCert, err := ioutil.ReadFile(caFile)
	if err != nil {
		log.Fatal(err)
	}
	caCertPool := x509.NewCertPool()
	caCertPool.AppendCertsFromPEM(caCert)
	
	creds := credentials.NewTLS(&tls.Config{
			RootCAs:      caCertPool,
	})
	
	conn, err := grpc.Dial(address, grpc.WithTransportCredentials(creds))
	
	defer conn.Close()
	
	client := grafeas.NewGrafeasV1Beta1Client(conn)
	log.Println("Connecting to Grafeas server")

	ctx := context.Background()
	
	resp, err := client.ListOccurrences(ctx,
		&grafeas.ListOccurrencesRequest{
			Parent: "projects/kritis",	
			PageSize : 100,
			Filter: fmt.Sprintf("resource_url=%q AND kind=%q", "https://docker.io/judavi/amazon-k8s@sha256:7e26e2b87a3050f7143e5ed4cc19ca7a71c1b6c308c315e3611fed2590c18a4c", "PACKAGE_VULNERABILITY"),
		})
	if err != nil {
		log.Fatal(err)
	}

	if len(resp.Occurrences) != 0 {
		log.Println("Listing notes...")
		log.Println(resp.Occurrences)
	} else {
		log.Println("Project does not contain any notes")
	}	
	
}