mirror of https://github.com/status-im/consul.git
48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package ca
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import (
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"fmt"
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"github.com/hashicorp/vault/api/auth/gcp"
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"github.com/hashicorp/consul/agent/structs"
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)
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var _ VaultAuthenticator = (*gcp.GCPAuth)(nil)
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// NewGCPAuthClient returns a VaultAuthenticator that can log into Vault using the GCP auth method.
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func NewGCPAuthClient(authMethod *structs.VaultAuthMethod) (VaultAuthenticator, error) {
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// Check if the configuration already contains a JWT auth token. If so we want to
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// perform a direct request to the login API with the config that is provided.
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// This supports the Vault CA config in a backwards compatible way so that we don't
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// break existing configurations.
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if legacyCheck(authMethod.Params, "jwt") {
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return NewVaultAPIAuthClient(authMethod, ""), nil
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}
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// Create a GCPAuth client from the CA config
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params, err := toMapStringString(authMethod.Params)
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if err != nil {
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return nil, fmt.Errorf("misconfiguration of GCP auth parameters: %w", err)
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}
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opts := []gcp.LoginOption{gcp.WithMountPath(authMethod.MountPath)}
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// Handle the login type explicitly.
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switch params["type"] {
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case "gce":
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opts = append(opts, gcp.WithGCEAuth())
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default:
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opts = append(opts, gcp.WithIAMAuth(params["service_account_email"]))
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}
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auth, err := gcp.NewGCPAuth(params["role"], opts...)
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if err != nil {
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return nil, fmt.Errorf("failed to create a new Vault GCP auth client: %w", err)
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}
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return auth, nil
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}
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