dd0e8eec14
* copyright headers for agent folder * Ignore test data files * fix proto files and remove headers in agent/uiserver folder * ignore deep-copy files
115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package consul
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import (
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"context"
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"os"
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"testing"
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"time"
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"github.com/hashicorp/raft"
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"github.com/hashicorp/consul/agent/metadata"
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"github.com/hashicorp/consul/sdk/testutil/retry"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/types"
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)
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func TestStatsFetcher(t *testing.T) {
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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dir1, s1 := testServerDCExpect(t, "dc1", 3)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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dir2, s2 := testServerDCExpect(t, "dc1", 3)
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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dir3, s3 := testServerDCExpect(t, "dc1", 3)
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defer os.RemoveAll(dir3)
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defer s3.Shutdown()
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joinLAN(t, s2, s1)
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joinLAN(t, s3, s1)
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testrpc.WaitForTestAgent(t, s1.RPC, "dc1")
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testrpc.WaitForTestAgent(t, s2.RPC, "dc1")
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testrpc.WaitForTestAgent(t, s3.RPC, "dc1")
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members := s1.serfLAN.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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for _, member := range members {
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ok, _ := metadata.IsConsulServer(member)
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if !ok {
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t.Fatalf("expected member to be a server: %#v", member)
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}
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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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retry.Run(t, func(r *retry.R) {
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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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r.Fatalf("bad: %#v", stats)
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}
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for id, stat := range stats {
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switch types.NodeID(id) {
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case s1.config.NodeID, s2.config.NodeID, s3.config.NodeID:
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// OK
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default:
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r.Fatalf("bad: %s", id)
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}
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if stat == nil || stat.LastTerm == 0 {
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r.Fatalf("bad: %#v", stat)
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}
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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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retry.Run(t, func(r *retry.R) {
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s1.statsFetcher.inflightLock.Lock()
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s1.statsFetcher.inflight[raft.ServerID(s3.config.NodeID)] = struct{}{}
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s1.statsFetcher.inflightLock.Unlock()
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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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r.Fatalf("bad: %#v", stats)
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}
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for id, stat := range stats {
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switch types.NodeID(id) {
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case s1.config.NodeID, s2.config.NodeID:
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// OK
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case s3.config.NodeID:
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r.Fatalf("bad")
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default:
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r.Fatalf("bad: %s", id)
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}
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if stat == nil || stat.LastTerm == 0 {
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r.Fatalf("bad: %#v", stat)
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}
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}
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})
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}()
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}
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