mirror of https://github.com/status-im/consul.git
68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package xds
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import (
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"errors"
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"fmt"
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envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
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envoy_tls_v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/tls/v3"
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"google.golang.org/protobuf/proto"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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)
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// secretsFromSnapshot returns the xDS API representation of the "secrets"
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// in the snapshot
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func (s *ResourceGenerator) secretsFromSnapshot(cfgSnap *proxycfg.ConfigSnapshot) ([]proto.Message, error) {
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if cfgSnap == nil {
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return nil, errors.New("nil config given")
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}
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switch cfgSnap.Kind {
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case structs.ServiceKindAPIGateway:
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return s.secretsFromSnapshotAPIGateway(cfgSnap), nil // return any attached certs
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case structs.ServiceKindConnectProxy,
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structs.ServiceKindTerminatingGateway,
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structs.ServiceKindMeshGateway,
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structs.ServiceKindIngressGateway:
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return nil, nil
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default:
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return nil, fmt.Errorf("Invalid service kind: %v", cfgSnap.Kind)
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}
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}
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// secretsFromSnapshotAPIGateway returns the "secrets" for an api-gateway service
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func (s *ResourceGenerator) secretsFromSnapshotAPIGateway(cfgSnap *proxycfg.ConfigSnapshot) []proto.Message {
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var resources []proto.Message
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cfgSnap.APIGateway.FileSystemCertificates.ForEachKey(func(ref structs.ResourceReference) bool {
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cert, ok := cfgSnap.APIGateway.FileSystemCertificates.Get(ref)
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if !ok || cert == nil {
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return true
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}
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resources = append(resources, &envoy_tls_v3.Secret{
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Name: ref.Name,
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Type: &envoy_tls_v3.Secret_TlsCertificate{
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TlsCertificate: &envoy_tls_v3.TlsCertificate{
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CertificateChain: &envoy_core_v3.DataSource{
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Specifier: &envoy_core_v3.DataSource_Filename{
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Filename: cert.Certificate,
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}},
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PrivateKey: &envoy_core_v3.DataSource{
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Specifier: &envoy_core_v3.DataSource_Filename{
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Filename: cert.PrivateKey,
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},
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},
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},
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},
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})
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return true
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})
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return resources
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}
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