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open-consul/agent/consul/fsm/snapshot_oss_test.go

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package fsm
import (
"bytes"
"testing"
"time"
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/agent/connect"
"github.com/hashicorp/consul/agent/consul/state"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/lib/stringslice"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/go-msgpack/codec"
"github.com/hashicorp/go-raftchunking"
"github.com/stretchr/testify/require"
)
func TestFSM_SnapshotRestore_OSS(t *testing.T) {
t.Parallel()
logger := testutil.Logger(t)
fsm, err := New(nil, logger)
require.NoError(t, err)
// Add some state
node1 := &structs.Node{
ID: "610918a6-464f-fa9b-1a95-03bd6e88ed92",
Node: "foo",
Datacenter: "dc1",
Address: "127.0.0.1",
}
node2 := &structs.Node{
ID: "40e4a748-2192-161a-0510-9bf59fe950b5",
Node: "baz",
Datacenter: "dc1",
Address: "127.0.0.2",
TaggedAddresses: map[string]string{
"hello": "1.2.3.4",
},
Meta: map[string]string{
"testMeta": "testing123",
},
}
require.NoError(t, fsm.state.EnsureNode(1, node1))
require.NoError(t, fsm.state.EnsureNode(2, node2))
// Add a service instance with Connect config.
connectConf := structs.ServiceConnect{
Native: true,
}
fsm.state.EnsureService(3, "foo", &structs.NodeService{
ID: "web",
Service: "web",
Tags: nil,
Address: "127.0.0.1",
Port: 80,
Connect: connectConf,
})
fsm.state.EnsureService(4, "foo", &structs.NodeService{ID: "db", Service: "db", Tags: []string{"primary"}, Address: "127.0.0.1", Port: 5000})
fsm.state.EnsureService(5, "baz", &structs.NodeService{ID: "web", Service: "web", Tags: nil, Address: "127.0.0.2", Port: 80})
fsm.state.EnsureService(6, "baz", &structs.NodeService{ID: "db", Service: "db", Tags: []string{"secondary"}, Address: "127.0.0.2", Port: 5000})
fsm.state.EnsureCheck(7, &structs.HealthCheck{
Node: "foo",
CheckID: "web",
Name: "web connectivity",
Status: api.HealthPassing,
ServiceID: "web",
})
fsm.state.KVSSet(8, &structs.DirEntry{
Key: "/test",
Value: []byte("foo"),
})
session := &structs.Session{ID: generateUUID(), Node: "foo"}
fsm.state.SessionCreate(9, session)
policy := &structs.ACLPolicy{
ID: structs.ACLPolicyGlobalManagementID,
Name: "global-management",
Description: "Builtin Policy that grants unlimited access",
Rules: structs.ACLPolicyGlobalManagement,
Syntax: acl.SyntaxCurrent,
}
policy.SetHash(true)
require.NoError(t, fsm.state.ACLPolicySet(1, policy))
role := &structs.ACLRole{
ID: "86dedd19-8fae-4594-8294-4e6948a81f9a",
Name: "some-role",
Description: "test snapshot role",
ServiceIdentities: []*structs.ACLServiceIdentity{
{
ServiceName: "example",
},
},
}
role.SetHash(true)
require.NoError(t, fsm.state.ACLRoleSet(1, role))
token := &structs.ACLToken{
AccessorID: "30fca056-9fbb-4455-b94a-bf0e2bc575d6",
SecretID: "cbe1c6fd-d865-4034-9d6d-64fef7fb46a9",
Description: "Bootstrap Token (Global Management)",
Policies: []structs.ACLTokenPolicyLink{
{
ID: structs.ACLPolicyGlobalManagementID,
},
},
CreateTime: time.Now(),
Local: false,
// DEPRECATED (ACL-Legacy-Compat) - This is used so that the bootstrap token is still visible via the v1 acl APIs
Type: structs.ACLTokenTypeManagement,
}
require.NoError(t, fsm.state.ACLBootstrap(10, 0, token, false))
method := &structs.ACLAuthMethod{
Name: "some-method",
Type: "testing",
Description: "test snapshot auth method",
Config: map[string]interface{}{
"SessionID": "952ebfa8-2a42-46f0-bcd3-fd98a842000e",
},
}
require.NoError(t, fsm.state.ACLAuthMethodSet(1, method))
bindingRule := &structs.ACLBindingRule{
ID: "85184c52-5997-4a84-9817-5945f2632a17",
Description: "test snapshot binding rule",
AuthMethod: "some-method",
Selector: "serviceaccount.namespace==default",
BindType: structs.BindingRuleBindTypeService,
BindName: "${serviceaccount.name}",
}
require.NoError(t, fsm.state.ACLBindingRuleSet(1, bindingRule))
fsm.state.KVSSet(11, &structs.DirEntry{
Key: "/remove",
Value: []byte("foo"),
})
fsm.state.KVSDelete(12, "/remove", nil)
idx, _, err := fsm.state.KVSList(nil, "/remove", nil)
require.NoError(t, err)
require.EqualValues(t, 12, idx, "bad index")
updates := structs.Coordinates{
&structs.Coordinate{
Node: "baz",
Coord: generateRandomCoordinate(),
},
&structs.Coordinate{
Node: "foo",
Coord: generateRandomCoordinate(),
},
}
require.NoError(t, fsm.state.CoordinateBatchUpdate(13, updates))
query := structs.PreparedQuery{
ID: generateUUID(),
Service: structs.ServiceQuery{
Service: "web",
},
RaftIndex: structs.RaftIndex{
CreateIndex: 14,
ModifyIndex: 14,
},
}
require.NoError(t, fsm.state.PreparedQuerySet(14, &query))
autopilotConf := &structs.AutopilotConfig{
CleanupDeadServers: true,
LastContactThreshold: 100 * time.Millisecond,
MaxTrailingLogs: 222,
}
require.NoError(t, fsm.state.AutopilotSetConfig(15, autopilotConf))
// Legacy Intentions
ixn := structs.TestIntention(t)
ixn.ID = generateUUID()
ixn.RaftIndex = structs.RaftIndex{
CreateIndex: 14,
ModifyIndex: 14,
}
//nolint:staticcheck
require.NoError(t, fsm.state.LegacyIntentionSet(14, ixn))
// CA Roots
roots := []*structs.CARoot{
connect.TestCA(t, nil),
connect.TestCA(t, nil),
}
for _, r := range roots[1:] {
r.Active = false
}
ok, err := fsm.state.CARootSetCAS(15, 0, roots)
require.NoError(t, err)
require.True(t, ok)
ok, err = fsm.state.CASetProviderState(16, &structs.CAConsulProviderState{
ID: "asdf",
PrivateKey: "foo",
RootCert: "bar",
})
require.NoError(t, err)
require.True(t, ok)
// CA Config
caConfig := &structs.CAConfiguration{
ClusterID: "foo",
Provider: "consul",
Config: map[string]interface{}{
"foo": "asdf",
"bar": 6.5,
},
}
err = fsm.state.CASetConfig(17, caConfig)
require.NoError(t, err)
// Config entries
serviceConfig := &structs.ServiceConfigEntry{
Kind: structs.ServiceDefaults,
Name: "foo",
Protocol: "http",
}
proxyConfig := &structs.ProxyConfigEntry{
Kind: structs.ProxyDefaults,
Name: "global",
}
require.NoError(t, fsm.state.EnsureConfigEntry(18, serviceConfig, structs.DefaultEnterpriseMeta()))
require.NoError(t, fsm.state.EnsureConfigEntry(19, proxyConfig, structs.DefaultEnterpriseMeta()))
ingress := &structs.IngressGatewayConfigEntry{
Kind: structs.IngressGateway,
Name: "ingress",
Listeners: []structs.IngressListener{
{
Port: 8080,
Protocol: "http",
Services: []structs.IngressService{
{
Name: "foo",
},
},
},
},
}
require.NoError(t, fsm.state.EnsureConfigEntry(20, ingress, structs.DefaultEnterpriseMeta()))
_, gatewayServices, err := fsm.state.GatewayServices(nil, "ingress", structs.DefaultEnterpriseMeta())
require.NoError(t, err)
// Raft Chunking
chunkState := &raftchunking.State{
ChunkMap: make(raftchunking.ChunkMap),
}
chunkState.ChunkMap[0] = []*raftchunking.ChunkInfo{
{
OpNum: 0,
SequenceNum: 0,
NumChunks: 3,
Data: []byte("foo"),
},
nil,
{
OpNum: 0,
SequenceNum: 2,
NumChunks: 3,
Data: []byte("bar"),
},
}
chunkState.ChunkMap[20] = []*raftchunking.ChunkInfo{
nil,
{
OpNum: 20,
SequenceNum: 1,
NumChunks: 2,
Data: []byte("bar"),
},
}
err = fsm.chunker.RestoreState(chunkState)
require.NoError(t, err)
// Federation states
fedState1 := &structs.FederationState{
Datacenter: "dc1",
MeshGateways: []structs.CheckServiceNode{
{
Node: &structs.Node{
ID: "664bac9f-4de7-4f1b-ad35-0e5365e8f329",
Node: "gateway1",
Datacenter: "dc1",
Address: "1.2.3.4",
},
Service: &structs.NodeService{
ID: "mesh-gateway",
Service: "mesh-gateway",
Kind: structs.ServiceKindMeshGateway,
Port: 1111,
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
},
Checks: []*structs.HealthCheck{
{
Name: "web connectivity",
Status: api.HealthPassing,
ServiceID: "mesh-gateway",
},
},
},
{
Node: &structs.Node{
ID: "3fb9a696-8209-4eee-a1f7-48600deb9716",
Node: "gateway2",
Datacenter: "dc1",
Address: "9.8.7.6",
},
Service: &structs.NodeService{
ID: "mesh-gateway",
Service: "mesh-gateway",
Kind: structs.ServiceKindMeshGateway,
Port: 2222,
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
},
Checks: []*structs.HealthCheck{
{
Name: "web connectivity",
Status: api.HealthPassing,
ServiceID: "mesh-gateway",
},
},
},
},
UpdatedAt: time.Now().UTC(),
}
fedState2 := &structs.FederationState{
Datacenter: "dc2",
MeshGateways: []structs.CheckServiceNode{
{
Node: &structs.Node{
ID: "0f92b02e-9f51-4aa2-861b-4ddbc3492724",
Node: "gateway1",
Datacenter: "dc2",
Address: "8.8.8.8",
},
Service: &structs.NodeService{
ID: "mesh-gateway",
Service: "mesh-gateway",
Kind: structs.ServiceKindMeshGateway,
Port: 3333,
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
},
Checks: []*structs.HealthCheck{
{
Name: "web connectivity",
Status: api.HealthPassing,
ServiceID: "mesh-gateway",
},
},
},
{
Node: &structs.Node{
ID: "99a76121-1c3f-4023-88ef-805248beb10b",
Node: "gateway2",
Datacenter: "dc2",
Address: "5.5.5.5",
},
Service: &structs.NodeService{
ID: "mesh-gateway",
Service: "mesh-gateway",
Kind: structs.ServiceKindMeshGateway,
Port: 4444,
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
},
Checks: []*structs.HealthCheck{
{
Name: "web connectivity",
Status: api.HealthPassing,
ServiceID: "mesh-gateway",
},
},
},
},
UpdatedAt: time.Now().UTC(),
}
require.NoError(t, fsm.state.FederationStateSet(21, fedState1))
require.NoError(t, fsm.state.FederationStateSet(22, fedState2))
// Update a node, service and health check to make sure the ModifyIndexes are preserved correctly after restore.
require.NoError(t, fsm.state.EnsureNode(23, &structs.Node{
ID: "610918a6-464f-fa9b-1a95-03bd6e88ed92",
Node: "foo",
Datacenter: "dc1",
Address: "127.0.0.3",
}))
require.NoError(t, fsm.state.EnsureService(24, "foo", &structs.NodeService{ID: "db", Service: "db", Tags: []string{"primary"}, Address: "127.0.0.1", Port: 5001}))
require.NoError(t, fsm.state.EnsureCheck(25, &structs.HealthCheck{
Node: "foo",
CheckID: "web",
Name: "web connectivity",
Status: api.HealthCritical,
ServiceID: "web",
}))
// system metadata
systemMetadataEntry := &structs.SystemMetadataEntry{
Key: "key1", Value: "val1",
}
require.NoError(t, fsm.state.SystemMetadataSet(25, systemMetadataEntry))
// service-intentions
serviceIxn := &structs.ServiceIntentionsConfigEntry{
Kind: structs.ServiceIntentions,
Name: "foo",
Sources: []*structs.SourceIntention{
{
Name: "bar",
Action: structs.IntentionActionAllow,
},
},
}
require.NoError(t, fsm.state.EnsureConfigEntry(26, serviceIxn, structs.DefaultEnterpriseMeta()))
// Snapshot
snap, err := fsm.Snapshot()
require.NoError(t, err)
defer snap.Release()
// Persist
buf := bytes.NewBuffer(nil)
sink := &MockSink{buf, false}
require.NoError(t, snap.Persist(sink))
// create an encoder to handle some custom persisted data
// this is mainly to inject data that would no longer ever
// be persisted but that we still need to be able to restore
encoder := codec.NewEncoder(sink, structs.MsgpackHandle)
// Persist a legacy ACL token - this is not done in newer code
// but we want to ensure that restoring legacy tokens works as
// expected so we must inject one here manually
_, err = sink.Write([]byte{byte(structs.ACLRequestType)})
require.NoError(t, err)
acl := structs.ACL{
ID: "1057354f-69ef-4487-94ab-aead3c755445",
Name: "test-legacy",
Type: "client",
Rules: `operator = "read"`,
RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2},
}
require.NoError(t, encoder.Encode(&acl))
// Persist a ACLToken without a Hash - the state store will
// now tack these on but we want to ensure we can restore
// tokens without a hash and have the hash be set.
token2 := &structs.ACLToken{
AccessorID: "4464e4c2-1c55-4c37-978a-66cb3abe6587",
SecretID: "fc8708dc-c5ae-4bb2-a9af-a1ca456548fb",
Description: "Test No Hash",
CreateTime: time.Now(),
Local: false,
Rules: `operator = "read"`,
RaftIndex: structs.RaftIndex{CreateIndex: 1, ModifyIndex: 2},
}
_, err = sink.Write([]byte{byte(structs.ACLTokenSetRequestType)})
require.NoError(t, err)
require.NoError(t, encoder.Encode(&token2))
// Try to restore on a new FSM
fsm2, err := New(nil, logger)
require.NoError(t, err)
// Do a restore
require.NoError(t, fsm2.Restore(sink))
// Verify the contents
_, nodes, err := fsm2.state.Nodes(nil)
require.NoError(t, err)
require.Len(t, nodes, 2, "incorect number of nodes: %v", nodes)
// validate the first node. Note that this test relies on stable
// iteration through the memdb index and the fact that node2 has
// a name of "baz" so it should be indexed before node1 with a
// name of "foo". If memdb our our indexing changes this is likely
// to break.
require.Equal(t, node2.ID, nodes[0].ID)
require.Equal(t, "baz", nodes[0].Node)
require.Equal(t, "dc1", nodes[0].Datacenter)
require.Equal(t, "127.0.0.2", nodes[0].Address)
require.Len(t, nodes[0].Meta, 1)
require.Equal(t, "testing123", nodes[0].Meta["testMeta"])
require.Len(t, nodes[0].TaggedAddresses, 1)
require.Equal(t, "1.2.3.4", nodes[0].TaggedAddresses["hello"])
require.Equal(t, uint64(2), nodes[0].CreateIndex)
require.Equal(t, uint64(2), nodes[0].ModifyIndex)
require.Equal(t, node1.ID, nodes[1].ID)
require.Equal(t, "foo", nodes[1].Node)
require.Equal(t, "dc1", nodes[1].Datacenter)
require.Equal(t, "127.0.0.3", nodes[1].Address)
require.Empty(t, nodes[1].TaggedAddresses)
require.Equal(t, uint64(1), nodes[1].CreateIndex)
require.Equal(t, uint64(23), nodes[1].ModifyIndex)
_, fooSrv, err := fsm2.state.NodeServices(nil, "foo", nil)
require.NoError(t, err)
require.Len(t, fooSrv.Services, 2)
require.Contains(t, fooSrv.Services["db"].Tags, "primary")
require.True(t, stringslice.Contains(fooSrv.Services["db"].Tags, "primary"))
require.Equal(t, 5001, fooSrv.Services["db"].Port)
require.Equal(t, uint64(4), fooSrv.Services["db"].CreateIndex)
require.Equal(t, uint64(24), fooSrv.Services["db"].ModifyIndex)
connectSrv := fooSrv.Services["web"]
require.Equal(t, connectConf, connectSrv.Connect)
require.Equal(t, uint64(3), fooSrv.Services["web"].CreateIndex)
require.Equal(t, uint64(3), fooSrv.Services["web"].ModifyIndex)
_, checks, err := fsm2.state.NodeChecks(nil, "foo", nil)
require.NoError(t, err)
require.Len(t, checks, 1)
require.Equal(t, "foo", checks[0].Node)
require.Equal(t, "web", checks[0].ServiceName)
require.Equal(t, uint64(7), checks[0].CreateIndex)
require.Equal(t, uint64(25), checks[0].ModifyIndex)
// Verify key is set
_, d, err := fsm2.state.KVSGet(nil, "/test", nil)
require.NoError(t, err)
require.EqualValues(t, "foo", d.Value)
// Verify session is restored
idx, s, err := fsm2.state.SessionGet(nil, session.ID, nil)
require.NoError(t, err)
require.Equal(t, "foo", s.Node)
require.EqualValues(t, 9, idx)
// Verify ACL Binding Rule is restored
_, bindingRule2, err := fsm2.state.ACLBindingRuleGetByID(nil, bindingRule.ID, nil)
require.NoError(t, err)
require.Equal(t, bindingRule, bindingRule2)
// Verify ACL Auth Method is restored
_, method2, err := fsm2.state.ACLAuthMethodGetByName(nil, method.Name, nil)
require.NoError(t, err)
require.Equal(t, method, method2)
// Verify ACL Token is restored
_, rtoken, err := fsm2.state.ACLTokenGetByAccessor(nil, token.AccessorID, nil)
require.NoError(t, err)
require.NotNil(t, rtoken)
// the state store function will add on the Hash if its empty
require.NotEmpty(t, rtoken.Hash)
token.CreateTime = token.CreateTime.Round(0)
rtoken.CreateTime = rtoken.CreateTime.Round(0)
// note that this can work because the state store will add the Hash to the token before
// storing. That token just happens to be a pointer to the one in this function so it
// adds the Hash to our local var.
require.Equal(t, token, rtoken)
// Verify legacy ACL is restored
_, rtoken, err = fsm2.state.ACLTokenGetBySecret(nil, acl.ID, nil)
require.NoError(t, err)
require.NotNil(t, rtoken)
require.NotEmpty(t, rtoken.Hash)
restoredACL, err := rtoken.Convert()
require.NoError(t, err)
require.Equal(t, &acl, restoredACL)
// Verify ACLToken without hash computes the Hash during restoration
_, rtoken, err = fsm2.state.ACLTokenGetByAccessor(nil, token2.AccessorID, nil)
require.NoError(t, err)
require.NotNil(t, rtoken)
require.NotEmpty(t, rtoken.Hash)
// nil the Hash so we can compare them
rtoken.Hash = nil
token2.CreateTime = token2.CreateTime.Round(0)
rtoken.CreateTime = rtoken.CreateTime.Round(0)
require.Equal(t, token2, rtoken)
// Verify the acl-token-bootstrap index was restored
canBootstrap, index, err := fsm2.state.CanBootstrapACLToken()
require.NoError(t, err)
require.False(t, canBootstrap)
require.True(t, index > 0)
// Verify ACL Role is restored
_, role2, err := fsm2.state.ACLRoleGetByID(nil, role.ID, nil)
require.NoError(t, err)
require.Equal(t, role, role2)
// Verify ACL Policy is restored
_, policy2, err := fsm2.state.ACLPolicyGetByID(nil, structs.ACLPolicyGlobalManagementID, nil)
require.NoError(t, err)
require.Equal(t, policy, policy2)
// Verify tombstones are restored
func() {
snap := fsm2.state.Snapshot()
defer snap.Close()
stones, err := snap.Tombstones()
require.NoError(t, err)
stone := stones.Next().(*state.Tombstone)
require.NotNil(t, stone)
require.Equal(t, "/remove", stone.Key)
require.Nil(t, stones.Next())
}()
// Verify coordinates are restored
_, coords, err := fsm2.state.Coordinates(nil)
require.NoError(t, err)
require.Equal(t, updates, coords)
// Verify queries are restored.
_, queries, err := fsm2.state.PreparedQueryList(nil)
require.NoError(t, err)
require.Len(t, queries, 1)
require.Equal(t, &query, queries[0])
// Verify autopilot config is restored.
_, restoredConf, err := fsm2.state.AutopilotConfig()
require.NoError(t, err)
require.Equal(t, autopilotConf, restoredConf)
// Verify legacy intentions are restored.
_, ixns, err := fsm2.state.LegacyIntentions(nil, structs.WildcardEnterpriseMeta())
require.NoError(t, err)
require.Len(t, ixns, 1)
require.Equal(t, ixn, ixns[0])
// Verify CA roots are restored.
_, roots, err = fsm2.state.CARoots(nil)
require.NoError(t, err)
require.Len(t, roots, 2)
// Verify provider state is restored.
_, state, err := fsm2.state.CAProviderState("asdf")
require.NoError(t, err)
require.Equal(t, "foo", state.PrivateKey)
require.Equal(t, "bar", state.RootCert)
// Verify CA configuration is restored.
_, caConf, err := fsm2.state.CAConfig(nil)
require.NoError(t, err)
require.Equal(t, caConfig, caConf)
// Verify config entries are restored
_, serviceConfEntry, err := fsm2.state.ConfigEntry(nil, structs.ServiceDefaults, "foo", structs.DefaultEnterpriseMeta())
require.NoError(t, err)
require.Equal(t, serviceConfig, serviceConfEntry)
_, proxyConfEntry, err := fsm2.state.ConfigEntry(nil, structs.ProxyDefaults, "global", structs.DefaultEnterpriseMeta())
require.NoError(t, err)
require.Equal(t, proxyConfig, proxyConfEntry)
_, ingressRestored, err := fsm2.state.ConfigEntry(nil, structs.IngressGateway, "ingress", structs.DefaultEnterpriseMeta())
require.NoError(t, err)
require.Equal(t, ingress, ingressRestored)
_, restoredGatewayServices, err := fsm2.state.GatewayServices(nil, "ingress", structs.DefaultEnterpriseMeta())
require.NoError(t, err)
require.Equal(t, gatewayServices, restoredGatewayServices)
newChunkState, err := fsm2.chunker.CurrentState()
require.NoError(t, err)
require.Equal(t, newChunkState, chunkState)
// Verify federation states are restored.
_, fedStateLoaded1, err := fsm2.state.FederationStateGet(nil, "dc1")
require.NoError(t, err)
require.Equal(t, fedState1, fedStateLoaded1)
_, fedStateLoaded2, err := fsm2.state.FederationStateGet(nil, "dc2")
require.NoError(t, err)
require.Equal(t, fedState2, fedStateLoaded2)
// Verify usage data is correctly updated
idx, nodeCount, err := fsm2.state.NodeCount()
require.NoError(t, err)
require.Equal(t, len(nodes), nodeCount)
require.NotZero(t, idx)
// Verify system metadata is restored.
_, systemMetadataLoaded, err := fsm2.state.SystemMetadataList(nil)
require.NoError(t, err)
require.Len(t, systemMetadataLoaded, 1)
require.Equal(t, systemMetadataEntry, systemMetadataLoaded[0])
// Verify service-intentions is restored
_, serviceIxnEntry, err := fsm2.state.ConfigEntry(nil, structs.ServiceIntentions, "foo", structs.DefaultEnterpriseMeta())
require.NoError(t, err)
require.Equal(t, serviceIxn, serviceIxnEntry)
// Snapshot
snap, err = fsm2.Snapshot()
require.NoError(t, err)
defer snap.Release()
// Persist
buf = bytes.NewBuffer(nil)
sink = &MockSink{buf, false}
require.NoError(t, snap.Persist(sink))
// Try to restore on the old FSM and make sure it abandons the old state
// store.
abandonCh := fsm.state.AbandonCh()
require.NoError(t, fsm.Restore(sink))
select {
case <-abandonCh:
default:
require.Fail(t, "Old state not abandoned")
}
}
func TestFSM_BadRestore_OSS(t *testing.T) {
t.Parallel()
// Create an FSM with some state.
logger := testutil.Logger(t)
fsm, err := New(nil, logger)
require.NoError(t, err)
fsm.state.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
abandonCh := fsm.state.AbandonCh()
// Do a bad restore.
buf := bytes.NewBuffer([]byte("bad snapshot"))
sink := &MockSink{buf, false}
require.Error(t, fsm.Restore(sink))
// Verify the contents didn't get corrupted.
_, nodes, err := fsm.state.Nodes(nil)
require.NoError(t, err)
require.Len(t, nodes, 1)
require.Equal(t, "foo", nodes[0].Node)
require.Equal(t, "127.0.0.1", nodes[0].Address)
require.Empty(t, nodes[0].TaggedAddresses)
// Verify the old state store didn't get abandoned.
select {
case <-abandonCh:
require.FailNow(t, "FSM state was abandoned when it should not have been")
default:
}
}
func TestFSM_BadSnapshot_NilCAConfig(t *testing.T) {
t.Parallel()
// Create an FSM with no config entry.
logger := testutil.Logger(t)
fsm, err := New(nil, logger)
require.NoError(t, err)
// Snapshot
snap, err := fsm.Snapshot()
require.NoError(t, err)
defer snap.Release()
// Persist
buf := bytes.NewBuffer(nil)
sink := &MockSink{buf, false}
require.NoError(t, snap.Persist(sink))
// Try to restore on a new FSM
fsm2, err := New(nil, logger)
require.NoError(t, err)
// Do a restore
require.NoError(t, fsm2.Restore(sink))
// Make sure there's no entry in the CA config table.
state := fsm2.State()
idx, config, err := state.CAConfig(nil)
require.NoError(t, err)
require.EqualValues(t, 0, idx)
require.Nil(t, config)
}
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