diff options
Diffstat (limited to 'vendor/google.golang.org/grpc/resolver/dns/dns_resolver.go')
| -rw-r--r-- | vendor/google.golang.org/grpc/resolver/dns/dns_resolver.go | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/vendor/google.golang.org/grpc/resolver/dns/dns_resolver.go b/vendor/google.golang.org/grpc/resolver/dns/dns_resolver.go index c1cabfc99..048fde67d 100644 --- a/vendor/google.golang.org/grpc/resolver/dns/dns_resolver.go +++ b/vendor/google.golang.org/grpc/resolver/dns/dns_resolver.go @@ -24,7 +24,6 @@ import ( "encoding/json" "errors" "fmt" - "math/rand" "net" "os" "strconv" @@ -34,6 +33,7 @@ import ( "golang.org/x/net/context" "google.golang.org/grpc/grpclog" + "google.golang.org/grpc/internal/grpcrand" "google.golang.org/grpc/resolver" ) @@ -52,7 +52,6 @@ const ( var ( errMissingAddr = errors.New("missing address") - randomGen = rand.New(rand.NewSource(time.Now().UnixNano())) ) // NewBuilder creates a dnsBuilder which is used to factory DNS resolvers. @@ -67,6 +66,9 @@ type dnsBuilder struct { // Build creates and starts a DNS resolver that watches the name resolution of the target. func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOption) (resolver.Resolver, error) { + if target.Authority != "" { + return nil, fmt.Errorf("Default DNS resolver does not support custom DNS server") + } host, port, err := parseTarget(target.Endpoint) if err != nil { return nil, err @@ -346,7 +348,7 @@ func chosenByPercentage(a *int) bool { if a == nil { return true } - return randomGen.Intn(100)+1 <= *a + return grpcrand.Intn(100)+1 <= *a } func canaryingSC(js string) string { |