Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

balancer: add a warning for balancer names that contain upper case letters #6647

Merged
merged 4 commits into from Sep 25, 2023
Merged

balancer: add a warning for balancer names that contain upper case letters #6647

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
eddbed0
balancer: add a warning for balancer names that contain upper case le…
easwars Sep 19, 2023
90e096d
make vet happy
easwars Sep 19, 2023
74b1ba4
case sensitive actually
easwars Sep 22, 2023
ad9638b
add a warning for Get()
easwars Sep 25, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
9 changes: 9 additions & 0 deletions balancer/balancer.go
View file
Open in desktop
Expand Up @@ -30,6 +30,7 @@ import (
"google.golang.org/grpc/channelz"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/resolver"
Expand All @@ -39,6 +40,8 @@ import (
var (
// m is a map from name to balancer builder.
m = make(map[string]Builder)

logger = grpclog.Component("balancer")
)

// Register registers the balancer builder to the balancer map. b.Name
Expand All @@ -51,6 +54,12 @@ var (
// an init() function), and is not thread-safe. If multiple Balancers are
// registered with the same name, the one registered last will take effect.
func Register(b Builder) {
if strings.ToLower(b.Name()) != b.Name() {
// TODO: Skip the use of strings.ToLower() to index the map after v1.59
// is released to switch to case sensitive balancer registry. Also,
// remove this warning and update the docstrings for Register and Get.
logger.Warningf("Balancer registered with name %q. grpc-go will be switching to case sensitive balancer registries soon", b.Name())
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Shall we add a similar log message to Get?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Done.

}
m[strings.ToLower(b.Name())] = b
}

Expand Down
17 changes: 9 additions & 8 deletions xds/internal/balancer/clusterresolver/config_test.go
View file
Open in desktop
Expand Up @@ -26,6 +26,7 @@ import (
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/balancer/roundrobin"
iserviceconfig "google.golang.org/grpc/internal/serviceconfig"
"google.golang.org/grpc/xds/internal/balancer/outlierdetection"
"google.golang.org/grpc/xds/internal/balancer/ringhash"
Expand Down Expand Up @@ -107,7 +108,7 @@ const (
"edsServiceName": "test-eds-service-name",
"outlierDetection": {}
}],
"xdsLbPolicy":[{"ROUND_ROBIN":{}}]
"xdsLbPolicy":[{"round_robin":{}}]
}`
testJSONConfig2 = `{
"discoveryMechanisms": [{
Expand All @@ -124,7 +125,7 @@ const (
"type": "LOGICAL_DNS",
"outlierDetection": {}
}],
"xdsLbPolicy":[{"ROUND_ROBIN":{}}]
"xdsLbPolicy":[{"round_robin":{}}]
}`
testJSONConfig3 = `{
"discoveryMechanisms": [{
Expand All @@ -138,7 +139,7 @@ const (
"edsServiceName": "test-eds-service-name",
"outlierDetection": {}
}],
"xdsLbPolicy":[{"ROUND_ROBIN":{}}]
"xdsLbPolicy":[{"round_robin":{}}]
}`
testJSONConfig4 = `{
"discoveryMechanisms": [{
Expand Down Expand Up @@ -166,7 +167,7 @@ const (
"edsServiceName": "test-eds-service-name",
"outlierDetection": {}
}],
"xdsLbPolicy":[{"ROUND_ROBIN":{}}]
"xdsLbPolicy":[{"round_robin":{}}]
}`
)

Expand Down Expand Up @@ -211,7 +212,7 @@ func TestParseConfig(t *testing.T) {
},
},
xdsLBPolicy: iserviceconfig.BalancerConfig{ // do we want to make this not pointer
Name: "ROUND_ROBIN",
Name: roundrobin.Name,
Config: nil,
},
},
Expand Down Expand Up @@ -248,7 +249,7 @@ func TestParseConfig(t *testing.T) {
},
},
xdsLBPolicy: iserviceconfig.BalancerConfig{
Name: "ROUND_ROBIN",
Name: roundrobin.Name,
Config: nil,
},
},
Expand All @@ -275,7 +276,7 @@ func TestParseConfig(t *testing.T) {
},
},
xdsLBPolicy: iserviceconfig.BalancerConfig{
Name: "ROUND_ROBIN",
Name: roundrobin.Name,
Config: nil,
},
},
Expand Down Expand Up @@ -329,7 +330,7 @@ func TestParseConfig(t *testing.T) {
},
},
xdsLBPolicy: iserviceconfig.BalancerConfig{
Name: "ROUND_ROBIN",
Name: roundrobin.Name,
Config: nil,
},
},
Expand Down