648 lines
16 KiB
Go
648 lines
16 KiB
Go
package autopilotevents
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import (
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"testing"
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time "time"
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"github.com/hashicorp/raft"
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autopilot "github.com/hashicorp/raft-autopilot"
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mock "github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/consul/stream"
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structs "github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/proto/pbsubscribe"
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types "github.com/hashicorp/consul/types"
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)
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var testTime = time.Date(2022, 4, 14, 10, 56, 00, 0, time.UTC)
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var exampleState = &autopilot.State{
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Servers: map[raft.ServerID]*autopilot.ServerState{
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"792ae13c-d765-470b-852c-e073fdb6e849": {
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Health: autopilot.ServerHealth{
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Healthy: true,
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},
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State: autopilot.RaftLeader,
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Server: autopilot.Server{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2:8300",
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Version: "v1.12.0",
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NodeStatus: autopilot.NodeAlive,
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},
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},
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"65e79ff4-bbce-467b-a9d6-725c709fa985": {
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Health: autopilot.ServerHealth{
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Healthy: true,
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},
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State: autopilot.RaftVoter,
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Server: autopilot.Server{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3:8300",
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Version: "v1.12.0",
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NodeStatus: autopilot.NodeAlive,
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},
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},
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// this server is up according to Serf but is unhealthy
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// due to having an index that is behind
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"db11f0ac-0cbe-4215-80cc-b4e843f4df1e": {
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Health: autopilot.ServerHealth{
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Healthy: false,
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},
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State: autopilot.RaftVoter,
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Server: autopilot.Server{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4:8300",
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Version: "v1.12.0",
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NodeStatus: autopilot.NodeAlive,
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},
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},
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// this server is up according to Serf but is unhealthy
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// due to having an index that is behind. It is a non-voter
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// and thus will be filtered out
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"4c48a154-8176-4e14-ba5d-20bf1f784a7e": {
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Health: autopilot.ServerHealth{
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Healthy: false,
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},
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State: autopilot.RaftNonVoter,
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Server: autopilot.Server{
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ID: "4c48a154-8176-4e14-ba5d-20bf1f784a7e",
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Address: "198.18.0.5:8300",
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Version: "v1.12.0",
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NodeStatus: autopilot.NodeAlive,
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},
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},
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// this is a voter that has died
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"7a22eec8-de85-43a6-a76e-00b427ef6627": {
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Health: autopilot.ServerHealth{
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Healthy: false,
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},
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State: autopilot.RaftVoter,
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Server: autopilot.Server{
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ID: "7a22eec8-de85-43a6-a76e-00b427ef6627",
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Address: "198.18.0.6",
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Version: "v1.12.0",
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NodeStatus: autopilot.NodeFailed,
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},
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},
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},
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}
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func TestEventPayloadReadyServers_HasReadPermission(t *testing.T) {
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t.Run("no service:write", func(t *testing.T) {
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hasRead := EventPayloadReadyServers{}.HasReadPermission(acl.DenyAll())
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require.False(t, hasRead)
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})
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t.Run("has service:write", func(t *testing.T) {
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policy, err := acl.NewPolicyFromSource(`
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service "foo" {
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policy = "write"
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}
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`, acl.SyntaxCurrent, nil, nil)
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require.NoError(t, err)
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authz, err := acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, nil)
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require.NoError(t, err)
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hasRead := EventPayloadReadyServers{}.HasReadPermission(authz)
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require.True(t, hasRead)
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})
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}
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func TestAutopilotStateToReadyServers(t *testing.T) {
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expected := EventPayloadReadyServers{
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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}
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r := ReadyServersEventPublisher{}
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actual := r.autopilotStateToReadyServers(exampleState)
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require.ElementsMatch(t, expected, actual)
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}
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func TestAutopilotStateToReadyServersWithTaggedAddresses(t *testing.T) {
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expected := EventPayloadReadyServers{
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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TaggedAddresses: map[string]string{"wan": "5.4.3.2"},
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Version: "v1.12.0",
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},
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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TaggedAddresses: map[string]string{"wan": "1.2.3.4"},
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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TaggedAddresses: map[string]string{"wan": "9.8.7.6"},
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Version: "v1.12.0",
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},
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}
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store := &MockStateStore{}
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t.Cleanup(func() { store.AssertExpectations(t) })
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store.On("GetNodeID",
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types.NodeID("792ae13c-d765-470b-852c-e073fdb6e849"),
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structs.NodeEnterpriseMetaInDefaultPartition(),
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structs.DefaultPeerKeyword,
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).Once().Return(
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uint64(0),
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&structs.Node{TaggedAddresses: map[string]string{"wan": "5.4.3.2"}},
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nil,
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)
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store.On("GetNodeID",
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types.NodeID("65e79ff4-bbce-467b-a9d6-725c709fa985"),
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structs.NodeEnterpriseMetaInDefaultPartition(),
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structs.DefaultPeerKeyword,
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).Once().Return(
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uint64(0),
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&structs.Node{TaggedAddresses: map[string]string{"wan": "1.2.3.4"}},
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nil,
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)
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store.On("GetNodeID",
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types.NodeID("db11f0ac-0cbe-4215-80cc-b4e843f4df1e"),
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structs.NodeEnterpriseMetaInDefaultPartition(),
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structs.DefaultPeerKeyword,
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).Once().Return(
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uint64(0),
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&structs.Node{TaggedAddresses: map[string]string{"wan": "9.8.7.6"}},
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nil,
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)
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r := NewReadyServersEventPublisher(Config{
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GetStore: func() StateStore { return store },
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})
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actual := r.autopilotStateToReadyServers(exampleState)
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require.ElementsMatch(t, expected, actual)
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}
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func TestAutopilotReadyServersEvents(t *testing.T) {
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// we have already tested the ReadyServerInfo extraction within the
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// TestAutopilotStateToReadyServers test. Therefore this test is going
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// to focus only on the change detection.
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//
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// * - added server
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// * - removed server
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// * - server with address changed
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// * - upgraded server with version change
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expectedServers := EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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}
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type testCase struct {
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// The elements of this slice must already be sorted
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previous EventPayloadReadyServers
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changeDetected bool
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}
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cases := map[string]testCase{
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"no-change": {
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previous: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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},
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changeDetected: false,
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},
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"server-added": {
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previous: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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// server with id db11f0ac-0cbe-4215-80cc-b4e843f4df1e will be added.
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},
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changeDetected: true,
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},
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"server-removed": {
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previous: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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// this server isn't present in the state and will be removed
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{
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ID: "7e3235de-8a75-4c8d-9ec3-847ca87d07e8",
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Address: "198.18.0.5",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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},
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changeDetected: true,
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},
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"address-change": {
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previous: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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// this value is different from the state and should
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// cause an event to be generated
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Address: "198.18.0.9",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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},
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changeDetected: true,
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},
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"upgraded-version": {
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previous: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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// This is v1.12.0 in the state and therefore an
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// event should be generated
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Version: "v1.11.4",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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},
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changeDetected: true,
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},
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}
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for name, tcase := range cases {
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t.Run(name, func(t *testing.T) {
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r := ReadyServersEventPublisher{
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previous: tcase.previous,
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}
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events, changeDetected := r.readyServersEvents(exampleState)
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require.Equal(t, tcase.changeDetected, changeDetected, "servers: %+v", events)
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if tcase.changeDetected {
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require.Len(t, events, 1)
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require.Equal(t, EventTopicReadyServers, events[0].Topic)
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payload, ok := events[0].Payload.(EventPayloadReadyServers)
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require.True(t, ok)
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require.ElementsMatch(t, expectedServers, payload)
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} else {
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require.Empty(t, events)
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}
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})
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}
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}
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func TestAutopilotPublishReadyServersEvents(t *testing.T) {
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t.Run("publish", func(t *testing.T) {
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pub := &MockPublisher{}
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pub.On("Publish", []stream.Event{
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{
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Topic: EventTopicReadyServers,
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Index: uint64(testTime.UnixMicro()),
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Payload: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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},
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},
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})
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mtime := &mockTimeProvider{}
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mtime.On("Now").Return(testTime).Once()
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t.Cleanup(func() {
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mtime.AssertExpectations(t)
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pub.AssertExpectations(t)
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})
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r := NewReadyServersEventPublisher(Config{
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Publisher: pub,
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timeProvider: mtime,
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})
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r.PublishReadyServersEvents(exampleState)
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})
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t.Run("suppress", func(t *testing.T) {
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pub := &MockPublisher{}
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mtime := &mockTimeProvider{}
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t.Cleanup(func() {
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mtime.AssertExpectations(t)
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pub.AssertExpectations(t)
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})
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r := NewReadyServersEventPublisher(Config{
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Publisher: pub,
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timeProvider: mtime,
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})
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r.previous = EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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Version: "v1.12.0",
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},
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}
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r.PublishReadyServersEvents(exampleState)
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})
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}
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type MockAppender struct {
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mock.Mock
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}
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func (m *MockAppender) Append(events []stream.Event) {
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m.Called(events)
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}
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func TestReadyServerEventsSnapshotHandler(t *testing.T) {
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buf := MockAppender{}
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buf.On("Append", []stream.Event{
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{
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Topic: EventTopicReadyServers,
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Index: 0,
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Payload: EventPayloadReadyServers{},
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},
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})
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buf.On("Append", []stream.Event{
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{
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Topic: EventTopicReadyServers,
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Index: 1649933760000000,
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Payload: EventPayloadReadyServers{
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{
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ID: "65e79ff4-bbce-467b-a9d6-725c709fa985",
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Address: "198.18.0.3",
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TaggedAddresses: map[string]string{"wan": "1.2.3.4"},
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Version: "v1.12.0",
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},
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{
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ID: "792ae13c-d765-470b-852c-e073fdb6e849",
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Address: "198.18.0.2",
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TaggedAddresses: map[string]string{"wan": "5.4.3.2"},
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Version: "v1.12.0",
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},
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{
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ID: "db11f0ac-0cbe-4215-80cc-b4e843f4df1e",
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Address: "198.18.0.4",
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TaggedAddresses: map[string]string{"wan": "9.8.7.6"},
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Version: "v1.12.0",
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},
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},
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},
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}).Once()
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mtime := mockTimeProvider{}
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mtime.On("Now").Return(testTime).Once()
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store := &MockStateStore{}
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t.Cleanup(func() { store.AssertExpectations(t) })
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|
store.On("GetNodeID",
|
|
types.NodeID("792ae13c-d765-470b-852c-e073fdb6e849"),
|
|
structs.NodeEnterpriseMetaInDefaultPartition(),
|
|
structs.DefaultPeerKeyword,
|
|
).Once().Return(
|
|
uint64(0),
|
|
&structs.Node{TaggedAddresses: map[string]string{"wan": "5.4.3.2"}},
|
|
nil,
|
|
)
|
|
|
|
store.On("GetNodeID",
|
|
types.NodeID("65e79ff4-bbce-467b-a9d6-725c709fa985"),
|
|
structs.NodeEnterpriseMetaInDefaultPartition(),
|
|
structs.DefaultPeerKeyword,
|
|
).Once().Return(
|
|
uint64(0),
|
|
&structs.Node{TaggedAddresses: map[string]string{"wan": "1.2.3.4"}},
|
|
nil,
|
|
)
|
|
|
|
store.On("GetNodeID",
|
|
types.NodeID("db11f0ac-0cbe-4215-80cc-b4e843f4df1e"),
|
|
structs.NodeEnterpriseMetaInDefaultPartition(),
|
|
structs.DefaultPeerKeyword,
|
|
).Once().Return(
|
|
uint64(0),
|
|
&structs.Node{TaggedAddresses: map[string]string{"wan": "9.8.7.6"}},
|
|
nil,
|
|
)
|
|
|
|
t.Cleanup(func() {
|
|
buf.AssertExpectations(t)
|
|
store.AssertExpectations(t)
|
|
mtime.AssertExpectations(t)
|
|
})
|
|
|
|
r := NewReadyServersEventPublisher(Config{
|
|
GetStore: func() StateStore { return store },
|
|
timeProvider: &mtime,
|
|
})
|
|
|
|
req := stream.SubscribeRequest{
|
|
Topic: EventTopicReadyServers,
|
|
Subject: stream.SubjectNone,
|
|
}
|
|
|
|
// get the first snapshot that should have the zero value event
|
|
_, err := r.HandleSnapshot(req, &buf)
|
|
require.NoError(t, err)
|
|
|
|
// setup the value to be returned by the snapshot handler
|
|
r.snapshot, _ = r.readyServersEvents(exampleState)
|
|
|
|
// now get the second snapshot which has actual servers
|
|
_, err = r.HandleSnapshot(req, &buf)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
type fakePayload struct{}
|
|
|
|
func (e fakePayload) Subject() stream.Subject { return stream.SubjectNone }
|
|
|
|
func (e fakePayload) HasReadPermission(authz acl.Authorizer) bool {
|
|
return false
|
|
}
|
|
|
|
func (e fakePayload) ToSubscriptionEvent(idx uint64) *pbsubscribe.Event {
|
|
panic("fakePayload does not implement ToSubscriptionEvent")
|
|
}
|
|
|
|
func TestExtractEventPayload(t *testing.T) {
|
|
t.Run("wrong-topic", func(t *testing.T) {
|
|
payload, err := ExtractEventPayload(stream.NewCloseSubscriptionEvent([]string{"foo"}))
|
|
require.Nil(t, payload)
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "unexpected topic")
|
|
})
|
|
|
|
t.Run("unexpected-payload", func(t *testing.T) {
|
|
payload, err := ExtractEventPayload(stream.Event{
|
|
Topic: EventTopicReadyServers,
|
|
Payload: fakePayload{},
|
|
})
|
|
require.Nil(t, payload)
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "unexpected payload type")
|
|
})
|
|
|
|
t.Run("success", func(t *testing.T) {
|
|
expected := EventPayloadReadyServers{
|
|
{
|
|
ID: "a7c340ae-ce17-47da-895c-af2509767b3d",
|
|
Address: "198.18.0.1",
|
|
Version: "1.2.3",
|
|
},
|
|
}
|
|
actual, err := ExtractEventPayload(stream.Event{
|
|
Topic: EventTopicReadyServers,
|
|
Payload: expected,
|
|
})
|
|
|
|
require.NoError(t, err)
|
|
require.Equal(t, expected, actual)
|
|
})
|
|
}
|
|
|
|
func TestReadyServerInfo_Equal(t *testing.T) {
|
|
base := func() *ReadyServerInfo {
|
|
return &ReadyServerInfo{
|
|
ID: "0356e5ae-ed6b-4024-b953-e1b6a8f0f81b",
|
|
Version: "1.12.0",
|
|
Address: "198.18.0.1",
|
|
TaggedAddresses: map[string]string{
|
|
"wan": "1.2.3.4",
|
|
},
|
|
}
|
|
}
|
|
type testCase struct {
|
|
modify func(i *ReadyServerInfo)
|
|
equal bool
|
|
}
|
|
|
|
cases := map[string]testCase{
|
|
"unmodified": {
|
|
equal: true,
|
|
},
|
|
"id-mod": {
|
|
modify: func(i *ReadyServerInfo) { i.ID = "30f8f451-e54b-4c7e-a533-b55dddb51be6" },
|
|
},
|
|
"version-mod": {
|
|
modify: func(i *ReadyServerInfo) { i.Version = "1.12.1" },
|
|
},
|
|
"address-mod": {
|
|
modify: func(i *ReadyServerInfo) { i.Address = "198.18.0.2" },
|
|
},
|
|
"tagged-addresses-added": {
|
|
modify: func(i *ReadyServerInfo) { i.TaggedAddresses["wan_ipv4"] = "1.2.3.4" },
|
|
},
|
|
"tagged-addresses-mod": {
|
|
modify: func(i *ReadyServerInfo) { i.TaggedAddresses["wan"] = "4.3.2.1" },
|
|
},
|
|
}
|
|
|
|
for name, tcase := range cases {
|
|
t.Run(name, func(t *testing.T) {
|
|
original := base()
|
|
modified := base()
|
|
if tcase.modify != nil {
|
|
tcase.modify(modified)
|
|
}
|
|
|
|
require.Equal(t, tcase.equal, original.Equal(modified))
|
|
|
|
})
|
|
}
|
|
}
|