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clientset.go
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clientset.go
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package apiclient
import (
"context"
"time"
grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
log "github.com/sirupsen/logrus"
"google.golang.org/grpc"
grpc_util "github.com/argoproj/argo-cd/v2/util/grpc"
"github.com/argoproj/argo-cd/v2/util/io"
)
const (
// MaxGRPCMessageSize contains max grpc message size
MaxGRPCMessageSize = 100 * 1024 * 1024
)
// Clientset represents config management plugin server api clients
type Clientset interface {
NewConfigManagementPluginClient() (io.Closer, ConfigManagementPluginServiceClient, error)
}
type clientSet struct {
address string
timeoutSeconds int
}
func (c *clientSet) NewConfigManagementPluginClient() (io.Closer, ConfigManagementPluginServiceClient, error) {
conn, err := NewConnection(c.address, c.timeoutSeconds)
if err != nil {
return nil, nil, err
}
return conn, NewConfigManagementPluginServiceClient(conn), nil
}
func NewConnection(address string, timeoutSeconds int) (*grpc.ClientConn, error) {
retryOpts := []grpc_retry.CallOption{
grpc_retry.WithMax(3),
grpc_retry.WithBackoff(grpc_retry.BackoffLinear(1000 * time.Millisecond)),
}
unaryInterceptors := []grpc.UnaryClientInterceptor{grpc_retry.UnaryClientInterceptor(retryOpts...)}
if timeoutSeconds > 0 {
unaryInterceptors = append(unaryInterceptors, grpc_util.WithTimeout(time.Duration(timeoutSeconds)*time.Second))
}
dialOpts := []grpc.DialOption{
grpc.WithStreamInterceptor(grpc_retry.StreamClientInterceptor(retryOpts...)),
grpc.WithUnaryInterceptor(grpc_middleware.ChainUnaryClient(unaryInterceptors...)),
grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(MaxGRPCMessageSize), grpc.MaxCallSendMsgSize(MaxGRPCMessageSize)),
}
dialOpts = append(dialOpts, grpc.WithInsecure())
conn, err := grpc_util.BlockingDial(context.Background(), "unix", address, nil, dialOpts...)
if err != nil {
log.Errorf("Unable to connect to config management plugin service with address %s", address)
return nil, err
}
return conn, nil
}
// NewCMPServerClientset creates new instance of config management plugin server Clientset
func NewConfigManagementPluginClientSet(address string, timeoutSeconds int) Clientset {
return &clientSet{address: address, timeoutSeconds: timeoutSeconds}
}