Ajouter un compte principal à une liaison de rôle

Cette page explique comment ajouter un compte principal à une liaison de rôle existante dans une stratégie IAM.

En savoir plus

Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les pages suivantes :

Gérer l'accès aux projets, aux dossiers et aux organisations

Exemple de code

C#

Pour savoir comment installer et utiliser la bibliothèque cliente pour IAM, consultez la page Bibliothèques clientes IAM. Pour en savoir plus, consultez la documentation de référence de l'API Cloud IAM C#.

Pour vous authentifier auprès d'IAM, configurez le service Identifiants par défaut de l'application. Pour en savoir plus, consultez Configurer l'authentification pour un environnement de développement local.


using System.Linq;
using Google.Apis.CloudResourceManager.v1.Data;

public partial class AccessManager
{
    public static Policy AddMember(Policy policy, string role, string member)
    {
        var binding = policy.Bindings.First(x => x.Role == role);
        binding.Members.Add(member);
        return policy;
    }
}

Go

import (
	"fmt"
	"io"

	"google.golang.org/api/iam/v1"
)

// addMember adds a member to a role binding.
func addMember(w io.Writer, policy *iam.Policy, role, member string) {
	for _, binding := range policy.Bindings {
		if binding.Role != role {
			continue
		}
		for _, m := range binding.Members {
			if m != member {
				continue
			}
			fmt.Fprintf(w, "Role %q found. Member already exists.\n", role)
			return
		}
		binding.Members = append(binding.Members, member)
		fmt.Fprintf(w, "Role %q found. Member added.\n", role)
		return
	}
	fmt.Fprintf(w, "Role %q not found. Member not added.\n", role)
}

Java

import com.google.iam.v1.Binding;
import com.google.iam.v1.Policy;
import java.util.ArrayList;
import java.util.List;

public class AddMember {
  public static void main(String[] args) {
    // TODO(developer): Replace the variables before running the sample.
    // TODO: Replace with your policy, GetPolicy.getPolicy(projectId, serviceAccount).
    Policy policy = Policy.newBuilder().build();
    // TODO: Replace with your role.
    String role = "roles/existing-role";
    // TODO: Replace with your member.
    String member = "user:member-to-add@example.com";

    addMember(policy, role, member);
  }

  // Adds a member to a pre-existing role.
  public static Policy addMember(Policy policy, String role, String member) {
    List<Binding> newBindingsList = new ArrayList<>();

    for (Binding b : policy.getBindingsList()) {
      if (b.getRole().equals(role)) {
        newBindingsList.add(b.toBuilder().addMembers(member).build());
      } else {
        newBindingsList.add(b);
      }
    }

    // Update the policy to add the member.
    Policy updatedPolicy = policy.toBuilder()
            .clearBindings()
            .addAllBindings(newBindingsList)
            .build();

    System.out.println("Added member: " + updatedPolicy.getBindingsList());

    return updatedPolicy;
  }
}

Python

from google.iam.v1 import policy_pb2
from snippets.get_policy import get_project_policy
from snippets.set_policy import set_project_policy


def modify_policy_add_member(
    project_id: str, role: str, member: str
) -> policy_pb2.Policy:
    """
    Add a member to certain role in project policy.

    project_id: ID or number of the Google Cloud project you want to use.
    role: role to which member need to be added.
    member: The principals requesting access.

    Possible format for member:
        * user:{emailid}
        * serviceAccount:{emailid}
        * group:{emailid}
        * deleted:user:{emailid}?uid={uniqueid}
        * deleted:serviceAccount:{emailid}?uid={uniqueid}
        * deleted:group:{emailid}?uid={uniqueid}
        * domain:{domain}
    """
    policy = get_project_policy(project_id)

    for bind in policy.bindings:
        if bind.role == role:
            bind.members.append(member)
            break

    return set_project_policy(project_id, policy)

Étapes suivantes

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