From 46a872864cfa3b3e81bbb650d6fd01e8a775c1b5 Mon Sep 17 00:00:00 2001 From: Alexander Polcyn Date: Fri, 12 Oct 2018 11:56:29 -0700 Subject: Turn on c-ares as the default resolver --- .../client_channel/resolver/dns/c_ares/dns_resolver_ares.cc | 2 +- .../test/cpp/naming/resolver_component_tests_defs.include | 1 - test/core/client_channel/resolvers/dns_resolver_test.cc | 11 +++++++---- test/cpp/naming/resolver_component_tests_runner.py | 1 - 4 files changed, 8 insertions(+), 7 deletions(-) diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc index abacd0c960..fba20000ef 100644 --- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc @@ -472,7 +472,7 @@ static grpc_address_resolver_vtable ares_resolver = { grpc_resolve_address_ares, blocking_resolve_address_ares}; static bool should_use_ares(const char* resolver_env) { - return resolver_env != nullptr && gpr_stricmp(resolver_env, "ares") == 0; + return resolver_env == nullptr || gpr_stricmp(resolver_env, "ares") == 0; } void grpc_resolver_dns_ares_init() { diff --git a/templates/test/cpp/naming/resolver_component_tests_defs.include b/templates/test/cpp/naming/resolver_component_tests_defs.include index b34845e01a..d38316cbe6 100644 --- a/templates/test/cpp/naming/resolver_component_tests_defs.include +++ b/templates/test/cpp/naming/resolver_component_tests_defs.include @@ -55,7 +55,6 @@ if cur_resolver and cur_resolver != 'ares': 'needs to use GRPC_DNS_RESOLVER=ares.')) test_runner_log('Exit 1 without running tests.') sys.exit(1) -os.environ.update({'GRPC_DNS_RESOLVER': 'ares'}) os.environ.update({'GRPC_TRACE': 'cares_resolver'}) def wait_until_dns_server_is_up(args, diff --git a/test/core/client_channel/resolvers/dns_resolver_test.cc b/test/core/client_channel/resolvers/dns_resolver_test.cc index 571746abe8..6f153cc9bf 100644 --- a/test/core/client_channel/resolvers/dns_resolver_test.cc +++ b/test/core/client_channel/resolvers/dns_resolver_test.cc @@ -22,6 +22,8 @@ #include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h" #include "src/core/ext/filters/client_channel/resolver_registry.h" +#include "src/core/lib/gpr/env.h" +#include "src/core/lib/gpr/string.h" #include "src/core/lib/iomgr/combiner.h" #include "test/core/util/test_config.h" @@ -72,12 +74,13 @@ int main(int argc, char** argv) { test_succeeds(dns, "dns:10.2.1.1:1234"); test_succeeds(dns, "dns:www.google.com"); test_succeeds(dns, "dns:///www.google.com"); - if (grpc_resolve_address == grpc_resolve_address_ares) { - test_succeeds(dns, "dns://8.8.8.8/8.8.8.8:8888"); - } else { + char* resolver_env = gpr_getenv("GRPC_DNS_RESOLVER"); + if (resolver_env != nullptr && gpr_stricmp(resolver_env, "native") == 0) { test_fails(dns, "dns://8.8.8.8/8.8.8.8:8888"); + } else { + test_succeeds(dns, "dns://8.8.8.8/8.8.8.8:8888"); } - + gpr_free(resolver_env); { grpc_core::ExecCtx exec_ctx; GRPC_COMBINER_UNREF(g_combiner, "test"); diff --git a/test/cpp/naming/resolver_component_tests_runner.py b/test/cpp/naming/resolver_component_tests_runner.py index 1873eec35b..950a9d4897 100755 --- a/test/cpp/naming/resolver_component_tests_runner.py +++ b/test/cpp/naming/resolver_component_tests_runner.py @@ -55,7 +55,6 @@ if cur_resolver and cur_resolver != 'ares': 'needs to use GRPC_DNS_RESOLVER=ares.')) test_runner_log('Exit 1 without running tests.') sys.exit(1) -os.environ.update({'GRPC_DNS_RESOLVER': 'ares'}) os.environ.update({'GRPC_TRACE': 'cares_resolver'}) def wait_until_dns_server_is_up(args, -- cgit v1.2.3