func TestHealth_ChecksInState_DistanceSort(t *testing.T) {
dir1, s1 := testServer(t)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testutil.WaitForLeader(t, s1.RPC, "dc1")
if err := s1.fsm.State().EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.2"}); err != nil {
t.Fatalf("err: %v", err)
}
if err := s1.fsm.State().EnsureNode(2, &structs.Node{Node: "bar", Address: "127.0.0.3"}); err != nil {
t.Fatalf("err: %v", err)
}
updates := structs.Coordinates{
{"foo", generateCoordinate(1 * time.Millisecond)},
{"bar", generateCoordinate(2 * time.Millisecond)},
}
if err := s1.fsm.State().CoordinateBatchUpdate(3, updates); err != nil {
t.Fatalf("err: %v", err)
}
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Check: &structs.HealthCheck{
Name: "memory utilization",
Status: structs.HealthPassing,
},
}
var out struct{}
if err := msgpackrpc.CallWithCodec(codec, "Catalog.Register", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
arg.Node = "bar"
if err := msgpackrpc.CallWithCodec(codec, "Catalog.Register", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
// Query relative to foo to make sure it shows up first in the list.
var out2 structs.IndexedHealthChecks
inState := structs.ChecksInStateRequest{
Datacenter: "dc1",
State: structs.HealthPassing,
Source: structs.QuerySource{
Datacenter: "dc1",
Node: "foo",
},
}
if err := msgpackrpc.CallWithCodec(codec, "Health.ChecksInState", &inState, &out2); err != nil {
t.Fatalf("err: %v", err)
}
checks := out2.HealthChecks
if len(checks) != 3 {
t.Fatalf("Bad: %v", checks)
}
if checks[0].Node != "foo" {
t.Fatalf("Bad: %v", checks[1])
}
// Now query relative to bar to make sure it shows up first.
inState.Source.Node = "bar"
if err := msgpackrpc.CallWithCodec(codec, "Health.ChecksInState", &inState, &out2); err != nil {
t.Fatalf("err: %v", err)
}
checks = out2.HealthChecks
if len(checks) != 3 {
t.Fatalf("Bad: %v", checks)
}
if checks[0].Node != "bar" {
t.Fatalf("Bad: %v", checks[1])
}
}
