pulumi/pkg/codegen/schema/loader_client.go

125 lines
3.3 KiB
Go

// Copyright 2016-2023, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package schema
import (
"context"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"github.com/blang/semver"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/logging"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/rpcutil"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/rpcutil/rpcerror"
codegenrpc "github.com/pulumi/pulumi/sdk/v3/proto/go/codegen"
"github.com/segmentio/encoding/json"
)
// loaderClient reflects a loader service, loaded dynamically from the engine process over gRPC.
type loaderClient struct {
conn *grpc.ClientConn // the underlying gRPC connection.
clientRaw codegenrpc.LoaderClient // the raw loader client; usually unsafe to use directly.
}
func NewLoaderClient(target string) (ReferenceLoader, error) {
contract.Assertf(target != "", "unexpected empty target for loader")
conn, err := grpc.Dial(
target,
grpc.WithTransportCredentials(insecure.NewCredentials()),
rpcutil.GrpcChannelOptions(),
)
if err != nil {
return nil, err
}
l := &loaderClient{
conn: conn,
clientRaw: codegenrpc.NewLoaderClient(conn),
}
return l, nil
}
func (l *loaderClient) Close() error {
if l.clientRaw != nil {
err := l.conn.Close()
l.conn = nil
l.clientRaw = nil
return err
}
return nil
}
func (l *loaderClient) LoadPackageReference(pkg string, version *semver.Version) (PackageReference, error) {
label := "GetSchema"
logging.V(7).Infof("%s executing: package=%s, version=%s", label, pkg, version)
var versionString string
if version != nil {
versionString = version.String()
}
resp, err := l.clientRaw.GetSchema(context.TODO(), &codegenrpc.GetSchemaRequest{
Package: pkg,
Version: versionString,
})
if err != nil {
rpcError := rpcerror.Convert(err)
logging.V(7).Infof("%s failed: %v", label, rpcError)
return nil, err
}
var spec PartialPackageSpec
if _, err := json.Parse(resp.Schema, &spec, json.ZeroCopy); err != nil {
return nil, err
}
// Insert a version into the spec if the package does not provide one or if the
// existing version is less than the provided one
if version != nil {
setVersion := true
if spec.PackageInfoSpec.Version != "" {
vSemver, err := semver.Make(spec.PackageInfoSpec.Version)
if err == nil {
if vSemver.Compare(*version) == 1 {
setVersion = false
}
}
}
if setVersion {
spec.PackageInfoSpec.Version = version.String()
}
}
p, err := ImportPartialSpec(spec, nil, l)
if err != nil {
return nil, err
}
logging.V(7).Infof("%s success", label)
return p, nil
}
func (l *loaderClient) LoadPackage(pkg string, version *semver.Version) (*Package, error) {
ref, err := l.LoadPackageReference(pkg, version)
if err != nil {
return nil, err
}
return ref.Definition()
}