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Enable xDS credentials #424

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merged 4 commits into from
Feb 12, 2024
Merged

Enable xDS credentials #424

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0620352
Enable xDS credentials
PapaCharlie Oct 26, 2023
14ea019
Only enable xds credentials if the target is an xDS target
PapaCharlie Jan 23, 2024
f3dc367
Merge remote-tracking branch 'origin/master'
PapaCharlie Jan 23, 2024
3fc2238
Update after merge
PapaCharlie Jan 23, 2024
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17 changes: 11 additions & 6 deletions grpcurl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ import (
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
xdsCredentials "google.golang.org/grpc/credentials/xds"
"google.golang.org/grpc/metadata"
protov2 "google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/descriptorpb"
Expand Down Expand Up @@ -629,7 +630,16 @@ func BlockingDial(ctx context.Context, network, address string, creds credential
TransportCredentials: creds,
writeResult: writeResult,
}
} else {
creds = insecure.NewCredentials()
}

var err error
creds, err = xdsCredentials.NewClientCredentials(xdsCredentials.ClientOptions{FallbackCreds: creds})
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if err != nil {
return nil, err
}

dialer := func(ctx context.Context, address string) (net.Conn, error) {
// NB: We *could* handle the TLS handshake ourselves, in the custom
// dialer (instead of customizing both the dialer and the credentials).
Expand All @@ -655,13 +665,8 @@ func BlockingDial(ctx context.Context, network, address string, creds credential
opts = append([]grpc.DialOption{grpc.FailOnNonTempDialError(true)}, opts...)
// But we don't want caller to be able to override these two, so we put
// them *after* the explicitly provided options.
opts = append(opts, grpc.WithBlock(), grpc.WithContextDialer(dialer))
opts = append(opts, grpc.WithBlock(), grpc.WithContextDialer(dialer), grpc.WithTransportCredentials(creds))

if creds == nil {
opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()))
} else {
opts = append(opts, grpc.WithTransportCredentials(creds))
}
conn, err := grpc.DialContext(ctx, address, opts...)
var res interface{}
if err != nil {
Expand Down