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