95 lines
1.9 KiB
Go
95 lines
1.9 KiB
Go
package nomad
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/hashicorp/nomad/testutil"
|
|
)
|
|
|
|
func TestStatsFetcher(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
conf := func(c *Config) {
|
|
c.Region = "region-a"
|
|
c.BootstrapExpect = 3
|
|
}
|
|
|
|
s1, cleanupS1 := TestServer(t, conf)
|
|
defer cleanupS1()
|
|
|
|
s2, cleanupS2 := TestServer(t, conf)
|
|
defer cleanupS2()
|
|
|
|
s3, cleanupS3 := TestServer(t, conf)
|
|
defer cleanupS3()
|
|
|
|
TestJoin(t, s1, s2, s3)
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
|
|
members := s1.serf.Members()
|
|
if len(members) != 3 {
|
|
t.Fatalf("bad len: %d", len(members))
|
|
}
|
|
|
|
var servers []*serverParts
|
|
for _, member := range members {
|
|
ok, server := isNomadServer(member)
|
|
if !ok {
|
|
t.Fatalf("bad: %#v", member)
|
|
}
|
|
servers = append(servers, server)
|
|
}
|
|
|
|
// Do a normal fetch and make sure we get three responses.
|
|
func() {
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
|
|
defer cancel()
|
|
stats := s1.statsFetcher.Fetch(ctx, s1.Members())
|
|
if len(stats) != 3 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
for id, stat := range stats {
|
|
switch id {
|
|
case s1.config.NodeID, s2.config.NodeID, s3.config.NodeID:
|
|
// OK
|
|
default:
|
|
t.Fatalf("bad: %s", id)
|
|
}
|
|
|
|
if stat == nil || stat.LastTerm == 0 {
|
|
t.Fatalf("bad: %#v", stat)
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Fake an in-flight request to server 3 and make sure we don't fetch
|
|
// from it.
|
|
func() {
|
|
s1.statsFetcher.inflight[string(s3.config.NodeID)] = struct{}{}
|
|
defer delete(s1.statsFetcher.inflight, string(s3.config.NodeID))
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
|
|
defer cancel()
|
|
stats := s1.statsFetcher.Fetch(ctx, s1.Members())
|
|
if len(stats) != 2 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
for id, stat := range stats {
|
|
switch id {
|
|
case s1.config.NodeID, s2.config.NodeID:
|
|
// OK
|
|
case s3.config.NodeID:
|
|
t.Fatalf("bad")
|
|
default:
|
|
t.Fatalf("bad: %s", id)
|
|
}
|
|
|
|
if stat == nil || stat.LastTerm == 0 {
|
|
t.Fatalf("bad: %#v", stat)
|
|
}
|
|
}
|
|
}()
|
|
}
|