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ClientConfig

Addedv2.6.x

This operation provides the configuration for establishing a connection to a Milvus or Zilliz Cloud server. Pass a pointer to this struct when calling New().

type ClientConfig struct {
    Address        string
    Username       string
    Password       string
    DBName         string
    EnableTLSAuth  bool
    APIKey         string
    DialOptions    []grpc.DialOption
    RetryRateLimit *RetryRateLimitOption
    DisableConn    bool
    ServerVersion  string
}

PARAMETERS:

Address (string) - [REQUIRED] The address of the Milvus server in host:port format (e.g., YOUR_CLUSTER_ENDPOINT). For Zilliz Cloud, use the full HTTPS endpoint.
Username (string) - The username for password-based authentication.
Password (string) - The password for password-based authentication.
DBName (string) - The name of the database to connect to. Uses the default database if not set.
EnableTLSAuth (bool) - Whether to enable TLS for the connection. Automatically set to true if the address uses the https scheme.
APIKey (string) - An API key for Zilliz Cloud or authenticated Milvus instances. Preferred over username/password for cloud deployments.
DialOptions ([]grpc.DialOption) - Additional gRPC dial options to customize the connection. Merged with the default options if provided.
RetryRateLimit (RetryRateLimitOption) - Configuration for automatic retry on rate-limit errors.
DisableConn (bool) - If true, the client will not establish a connection immediately. Useful for testing or lazy connection scenarios.
ServerVersion (string) - The version string of the connected server. Populated automatically after connection.

BUILDER METHODS:

WithTLSConfig(tlsConfig *tls.Config) This sets a custom TLS configuration for secure connections.
WithGrpcAuthority(authority string) This sets the gRPC authority header for the connection, useful when connecting through a proxy or load balancer.

RETURN TYPE:

ClientConfig

RETURNS:

A pointer to the updated ClientConfig for method chaining.

Example

import (
	"context"
	"log"

	"github.com/milvus-io/milvus/client/v2/milvusclient"
)

ctx, cancel := context.WithCancel(context.Background())
defer cancel()

// Connect with username/password
client, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
    Address:  "YOUR_CLUSTER_ENDPOINT",
    Username: "root",
    Password: "Milvus",
    DBName:   "default",
})
if err != nil {
    log.Fatal("failed to create client:", err)
}
defer client.Close(ctx)

// Connect to Zilliz Cloud with API key
cloudClient, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
    Address: "https://your-endpoint.api.gcp-us-west1.zillizcloud.com:443",
    APIKey:  "your-api-key",
})
if err != nil {
    log.Fatal("failed to create cloud client:", err)
}

Example​

Example