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Add api key support to nexus sample #368

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Oct 25, 2024
Merged

Add api key support to nexus sample #368

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36 changes: 32 additions & 4 deletions nexus/options/cli.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
package options

import (
"context"
"flag"
"fmt"
"os"
Expand All @@ -10,6 +11,8 @@ import (
"crypto/x509"

"go.temporal.io/sdk/client"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)

// ParseClientOptionFlags parses the given arguments into client options. In
Expand All @@ -21,20 +24,24 @@ func ParseClientOptionFlags(args []string) (client.Options, error) {
targetHost := set.String("target-host", "localhost:7233", "Host:port for the Temporal service")
namespace := set.String("namespace", "default", "Namespace to connect to")
serverRootCACert := set.String("server-root-ca-cert", "", "Optional path to root server CA cert")
clientCert := set.String("client-cert", "", "Optional path to client cert")
clientKey := set.String("client-key", "", "Optional path to client key")
clientCert := set.String("client-cert", "", "Optional path to client cert, mutually exclusive with API key")
clientKey := set.String("client-key", "", "Optional path to client key, mutually exclusive with API key")
serverName := set.String("server-name", "", "Server name to use for verifying the server's certificate")
insecureSkipVerify := set.Bool("insecure-skip-verify", false, "Skip verification of the server's certificate and host name")
apiKey := set.String("api-key", "", "Optional API key, mutually exclusive with cert/key")

if err := set.Parse(args); err != nil {
return client.Options{}, fmt.Errorf("failed parsing args: %w", err)
}
if *clientCert != "" && *clientKey == "" || *clientCert == "" && *clientKey != "" {
return client.Options{}, fmt.Errorf("either both or neither of -client-key and -client-cert are required")
}
if *clientCert != "" && *apiKey != "" {
return client.Options{}, fmt.Errorf("either -client-cert and -client-key or -api-key are required, not both")
}

var connectionOptions client.ConnectionOptions

var credentials client.Credentials
if *clientCert != "" {
// Load client cert
cert, err := tls.LoadX509KeyPair(*clientCert, *clientKey)
Expand Down Expand Up @@ -64,12 +71,33 @@ func ParseClientOptionFlags(args []string) (client.Options, error) {
InsecureSkipVerify: *insecureSkipVerify,
},
}
} else if *apiKey != "" {
connectionOptions = client.ConnectionOptions{
TLS: &tls.Config{},
DialOptions: []grpc.DialOption{
grpc.WithUnaryInterceptor(
func(ctx context.Context, method string, req any, reply any, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
return invoker(
metadata.AppendToOutgoingContext(ctx, "temporal-namespace", *namespace),
method,
req,
reply,
cc,
opts...,
)
},
),
},
}
credentials = client.NewAPIKeyStaticCredentials(*apiKey)
}

return client.Options{
HostPort: *targetHost,
Namespace: *namespace,
ConnectionOptions: connectionOptions,
Credentials: credentials,
}, nil
}
// @@@SNIPEND

// @@@SNIPEND