talos/internal/pkg/cri/client.go
Andrey Smirnov 951904554e
chore: bump dependencies (go 1.22.2)
Update Go to 1.22.2, update Go modules to resolve
[HTTP/2 issue](https://www.kb.cert.org/vuls/id/421644).

Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
2024-04-04 14:59:24 +04:00

59 lines
1.7 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package cri
import (
"context"
"fmt"
"time"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
"github.com/siderolabs/talos/pkg/grpc/dialer"
)
// Client is a lightweight implementation of CRI client.
type Client struct {
conn *grpc.ClientConn
runtimeClient runtimeapi.RuntimeServiceClient
imagesClient runtimeapi.ImageServiceClient
}
// maxMsgSize use 16MB as the default message size limit.
// grpc library default is 4MB.
const maxMsgSize = 1024 * 1024 * 16
// NewClient builds CRI client.
func NewClient(endpoint string, connectionTimeout time.Duration) (*Client, error) {
ctx, cancel := context.WithTimeout(context.Background(), connectionTimeout)
defer cancel()
conn, err := grpc.DialContext(ctx, endpoint, //nolint:staticcheck // WithBlock is used
grpc.WithTransportCredentials(insecure.NewCredentials()),
grpc.WithBlock(),
grpc.FailOnNonTempDialError(false),
grpc.WithBackoffMaxDelay(3*time.Second), //nolint:staticcheck
grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxMsgSize)),
grpc.WithContextDialer(dialer.DialUnix()),
grpc.WithSharedWriteBuffer(true),
)
if err != nil {
return nil, fmt.Errorf("error connecting to CRI: %w", err)
}
return &Client{
conn: conn,
runtimeClient: runtimeapi.NewRuntimeServiceClient(conn),
imagesClient: runtimeapi.NewImageServiceClient(conn),
}, nil
}
// Close connection.
func (c *Client) Close() error {
return c.conn.Close()
}