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

538 lines
20 KiB
Go

package fsm
import (
"fmt"
"time"
metrics "github.com/armon/go-metrics"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
)
func init() {
registerCommand(structs.RegisterRequestType, (*FSM).applyRegister)
registerCommand(structs.DeregisterRequestType, (*FSM).applyDeregister)
registerCommand(structs.KVSRequestType, (*FSM).applyKVSOperation)
registerCommand(structs.SessionRequestType, (*FSM).applySessionOperation)
// DEPRECATED (ACL-Legacy-Compat) - Only needed for v1 ACL compat
registerCommand(structs.ACLRequestType, (*FSM).applyACLOperation)
registerCommand(structs.TombstoneRequestType, (*FSM).applyTombstoneOperation)
registerCommand(structs.CoordinateBatchUpdateType, (*FSM).applyCoordinateBatchUpdate)
registerCommand(structs.PreparedQueryRequestType, (*FSM).applyPreparedQueryOperation)
registerCommand(structs.TxnRequestType, (*FSM).applyTxn)
registerCommand(structs.AutopilotRequestType, (*FSM).applyAutopilotUpdate)
registerCommand(structs.IntentionRequestType, (*FSM).applyIntentionOperation)
registerCommand(structs.ConnectCARequestType, (*FSM).applyConnectCAOperation)
registerCommand(structs.ACLTokenSetRequestType, (*FSM).applyACLTokenSetOperation)
registerCommand(structs.ACLTokenDeleteRequestType, (*FSM).applyACLTokenDeleteOperation)
registerCommand(structs.ACLBootstrapRequestType, (*FSM).applyACLTokenBootstrap)
registerCommand(structs.ACLPolicySetRequestType, (*FSM).applyACLPolicySetOperation)
registerCommand(structs.ACLPolicyDeleteRequestType, (*FSM).applyACLPolicyDeleteOperation)
registerCommand(structs.ConnectCALeafRequestType, (*FSM).applyConnectCALeafOperation)
registerCommand(structs.ConfigEntryRequestType, (*FSM).applyConfigEntryOperation)
registerCommand(structs.ACLRoleSetRequestType, (*FSM).applyACLRoleSetOperation)
registerCommand(structs.ACLRoleDeleteRequestType, (*FSM).applyACLRoleDeleteOperation)
registerCommand(structs.ACLBindingRuleSetRequestType, (*FSM).applyACLBindingRuleSetOperation)
registerCommand(structs.ACLBindingRuleDeleteRequestType, (*FSM).applyACLBindingRuleDeleteOperation)
registerCommand(structs.ACLAuthMethodSetRequestType, (*FSM).applyACLAuthMethodSetOperation)
registerCommand(structs.ACLAuthMethodDeleteRequestType, (*FSM).applyACLAuthMethodDeleteOperation)
}
func (c *FSM) applyRegister(buf []byte, index uint64) interface{} {
defer metrics.MeasureSince([]string{"fsm", "register"}, time.Now())
var req structs.RegisterRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
// Apply all updates in a single transaction
if err := c.state.EnsureRegistration(index, &req); err != nil {
c.logger.Printf("[WARN] consul.fsm: EnsureRegistration failed: %v", err)
return err
}
return nil
}
func (c *FSM) applyDeregister(buf []byte, index uint64) interface{} {
defer metrics.MeasureSince([]string{"fsm", "deregister"}, time.Now())
var req structs.DeregisterRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
// Either remove the service entry or the whole node. The precedence
// here is also baked into vetDeregisterWithACL() in acl.go, so if you
// make changes here, be sure to also adjust the code over there.
if req.ServiceID != "" {
if err := c.state.DeleteService(index, req.Node, req.ServiceID); err != nil {
c.logger.Printf("[WARN] consul.fsm: DeleteNodeService failed: %v", err)
return err
}
} else if req.CheckID != "" {
if err := c.state.DeleteCheck(index, req.Node, req.CheckID); err != nil {
c.logger.Printf("[WARN] consul.fsm: DeleteNodeCheck failed: %v", err)
return err
}
} else {
if err := c.state.DeleteNode(index, req.Node); err != nil {
c.logger.Printf("[WARN] consul.fsm: DeleteNode failed: %v", err)
return err
}
}
return nil
}
func (c *FSM) applyKVSOperation(buf []byte, index uint64) interface{} {
var req structs.KVSRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "kvs"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case api.KVSet:
return c.state.KVSSet(index, &req.DirEnt)
case api.KVDelete:
return c.state.KVSDelete(index, req.DirEnt.Key)
case api.KVDeleteCAS:
act, err := c.state.KVSDeleteCAS(index, req.DirEnt.ModifyIndex, req.DirEnt.Key)
if err != nil {
return err
}
return act
case api.KVDeleteTree:
return c.state.KVSDeleteTree(index, req.DirEnt.Key)
case api.KVCAS:
act, err := c.state.KVSSetCAS(index, &req.DirEnt)
if err != nil {
return err
}
return act
case api.KVLock:
act, err := c.state.KVSLock(index, &req.DirEnt)
if err != nil {
return err
}
return act
case api.KVUnlock:
act, err := c.state.KVSUnlock(index, &req.DirEnt)
if err != nil {
return err
}
return act
default:
err := fmt.Errorf("Invalid KVS operation '%s'", req.Op)
c.logger.Printf("[WARN] consul.fsm: %v", err)
return err
}
}
func (c *FSM) applySessionOperation(buf []byte, index uint64) interface{} {
var req structs.SessionRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "session"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.SessionCreate:
if err := c.state.SessionCreate(index, &req.Session); err != nil {
return err
}
return req.Session.ID
case structs.SessionDestroy:
return c.state.SessionDestroy(index, req.Session.ID, &req.Session.EnterpriseMeta)
default:
c.logger.Printf("[WARN] consul.fsm: Invalid Session operation '%s'", req.Op)
return fmt.Errorf("Invalid Session operation '%s'", req.Op)
}
}
// DEPRECATED (ACL-Legacy-Compat) - Only needed for legacy compat
func (c *FSM) applyACLOperation(buf []byte, index uint64) interface{} {
// TODO (ACL-Legacy-Compat) - Should we warn here somehow about using deprecated features
// maybe emit a second metric?
var req structs.ACLRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.ACLBootstrapInit:
enabled, _, err := c.state.CanBootstrapACLToken()
if err != nil {
return err
}
return enabled
case structs.ACLBootstrapNow:
// This is a bootstrap request from a non-upgraded node
if err := c.state.ACLBootstrap(index, 0, req.ACL.Convert(), true); err != nil {
return err
}
// No need to check expiration times as those did not exist in legacy tokens.
if _, token, err := c.state.ACLTokenGetBySecret(nil, req.ACL.ID, nil); err != nil {
return err
} else {
acl, err := token.Convert()
if err != nil {
return err
}
return acl
}
case structs.ACLForceSet, structs.ACLSet:
if err := c.state.ACLTokenSet(index, req.ACL.Convert(), true); err != nil {
return err
}
return req.ACL.ID
case structs.ACLDelete:
return c.state.ACLTokenDeleteBySecret(index, req.ACL.ID, nil)
default:
c.logger.Printf("[WARN] consul.fsm: Invalid ACL operation '%s'", req.Op)
return fmt.Errorf("Invalid ACL operation '%s'", req.Op)
}
}
func (c *FSM) applyTombstoneOperation(buf []byte, index uint64) interface{} {
var req structs.TombstoneRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "tombstone"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.TombstoneReap:
return c.state.ReapTombstones(req.ReapIndex)
default:
c.logger.Printf("[WARN] consul.fsm: Invalid Tombstone operation '%s'", req.Op)
return fmt.Errorf("Invalid Tombstone operation '%s'", req.Op)
}
}
// applyCoordinateBatchUpdate processes a batch of coordinate updates and applies
// them in a single underlying transaction. This interface isn't 1:1 with the outer
// update interface that the coordinate endpoint exposes, so we made it single
// purpose and avoided the opcode convention.
func (c *FSM) applyCoordinateBatchUpdate(buf []byte, index uint64) interface{} {
var updates structs.Coordinates
if err := structs.Decode(buf, &updates); err != nil {
panic(fmt.Errorf("failed to decode batch updates: %v", err))
}
defer metrics.MeasureSince([]string{"fsm", "coordinate", "batch-update"}, time.Now())
if err := c.state.CoordinateBatchUpdate(index, updates); err != nil {
return err
}
return nil
}
// applyPreparedQueryOperation applies the given prepared query operation to the
// state store.
func (c *FSM) applyPreparedQueryOperation(buf []byte, index uint64) interface{} {
var req structs.PreparedQueryRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "prepared-query"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.PreparedQueryCreate, structs.PreparedQueryUpdate:
return c.state.PreparedQuerySet(index, req.Query)
case structs.PreparedQueryDelete:
return c.state.PreparedQueryDelete(index, req.Query.ID)
default:
c.logger.Printf("[WARN] consul.fsm: Invalid PreparedQuery operation '%s'", req.Op)
return fmt.Errorf("Invalid PreparedQuery operation '%s'", req.Op)
}
}
func (c *FSM) applyTxn(buf []byte, index uint64) interface{} {
var req structs.TxnRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSince([]string{"fsm", "txn"}, time.Now())
results, errors := c.state.TxnRW(index, req.Ops)
return structs.TxnResponse{
Results: results,
Errors: errors,
}
}
func (c *FSM) applyAutopilotUpdate(buf []byte, index uint64) interface{} {
var req structs.AutopilotSetConfigRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSince([]string{"fsm", "autopilot"}, time.Now())
if req.CAS {
act, err := c.state.AutopilotCASConfig(index, req.Config.ModifyIndex, &req.Config)
if err != nil {
return err
}
return act
}
return c.state.AutopilotSetConfig(index, &req.Config)
}
// applyIntentionOperation applies the given intention operation to the state store.
func (c *FSM) applyIntentionOperation(buf []byte, index uint64) interface{} {
var req structs.IntentionRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "intention"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
defer metrics.MeasureSinceWithLabels([]string{"fsm", "intention"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.IntentionOpCreate, structs.IntentionOpUpdate:
return c.state.IntentionSet(index, req.Intention)
case structs.IntentionOpDelete:
return c.state.IntentionDelete(index, req.Intention.ID)
default:
c.logger.Printf("[WARN] consul.fsm: Invalid Intention operation '%s'", req.Op)
return fmt.Errorf("Invalid Intention operation '%s'", req.Op)
}
}
// applyConnectCAOperation applies the given CA operation to the state store.
func (c *FSM) applyConnectCAOperation(buf []byte, index uint64) interface{} {
var req structs.CARequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "ca"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
defer metrics.MeasureSinceWithLabels([]string{"fsm", "ca"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.CAOpSetConfig:
if req.Config.ModifyIndex != 0 {
act, err := c.state.CACheckAndSetConfig(index, req.Config.ModifyIndex, req.Config)
if err != nil {
return err
}
return act
}
return c.state.CASetConfig(index, req.Config)
case structs.CAOpSetRoots:
act, err := c.state.CARootSetCAS(index, req.Index, req.Roots)
if err != nil {
return err
}
return act
case structs.CAOpSetProviderState:
act, err := c.state.CASetProviderState(index, req.ProviderState)
if err != nil {
return err
}
return act
case structs.CAOpDeleteProviderState:
if err := c.state.CADeleteProviderState(req.ProviderState.ID); err != nil {
return err
}
return true
case structs.CAOpSetRootsAndConfig:
act, err := c.state.CARootSetCAS(index, req.Index, req.Roots)
if err != nil {
return err
}
if !act {
return act
}
act, err = c.state.CACheckAndSetConfig(index+1, req.Config.ModifyIndex, req.Config)
if err != nil {
return err
}
return act
default:
c.logger.Printf("[WARN] consul.fsm: Invalid CA operation '%s'", req.Op)
return fmt.Errorf("Invalid CA operation '%s'", req.Op)
}
}
func (c *FSM) applyConnectCALeafOperation(buf []byte, index uint64) interface{} {
var req structs.CALeafRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "ca", "leaf"}, time.Now(),
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
switch req.Op {
case structs.CALeafOpIncrementIndex:
if err := c.state.CALeafSetIndex(index); err != nil {
return err
}
return index
default:
c.logger.Printf("[WARN consul.fsm: Invalid CA Leaf operation '%s'", req.Op)
return fmt.Errorf("Invalid CA operation '%s'", req.Op)
}
}
func (c *FSM) applyACLTokenSetOperation(buf []byte, index uint64) interface{} {
var req structs.ACLTokenBatchSetRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "token"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLTokenBatchSet(index, req.Tokens, req.CAS, req.AllowMissingLinks, req.ProhibitUnprivileged)
}
func (c *FSM) applyACLTokenDeleteOperation(buf []byte, index uint64) interface{} {
var req structs.ACLTokenBatchDeleteRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "token"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "delete"}})
return c.state.ACLTokenBatchDelete(index, req.TokenIDs)
}
func (c *FSM) applyACLTokenBootstrap(buf []byte, index uint64) interface{} {
var req structs.ACLTokenBootstrapRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "token"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "bootstrap"}})
return c.state.ACLBootstrap(index, req.ResetIndex, &req.Token, false)
}
func (c *FSM) applyACLPolicySetOperation(buf []byte, index uint64) interface{} {
var req structs.ACLPolicyBatchSetRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "policy"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLPolicyBatchSet(index, req.Policies)
}
func (c *FSM) applyACLPolicyDeleteOperation(buf []byte, index uint64) interface{} {
var req structs.ACLPolicyBatchDeleteRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "policy"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "delete"}})
return c.state.ACLPolicyBatchDelete(index, req.PolicyIDs)
}
func (c *FSM) applyConfigEntryOperation(buf []byte, index uint64) interface{} {
req := structs.ConfigEntryRequest{
Entry: &structs.ProxyConfigEntry{},
}
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
switch req.Op {
case structs.ConfigEntryUpsertCAS:
defer metrics.MeasureSinceWithLabels([]string{"fsm", "config_entry", req.Entry.GetKind()}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
updated, err := c.state.EnsureConfigEntryCAS(index, req.Entry.GetRaftIndex().ModifyIndex, req.Entry)
if err != nil {
return err
}
return updated
case structs.ConfigEntryUpsert:
defer metrics.MeasureSinceWithLabels([]string{"fsm", "config_entry", req.Entry.GetKind()}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
if err := c.state.EnsureConfigEntry(index, req.Entry); err != nil {
return err
}
return true
case structs.ConfigEntryDelete:
defer metrics.MeasureSinceWithLabels([]string{"fsm", "config_entry", req.Entry.GetKind()}, time.Now(),
[]metrics.Label{{Name: "op", Value: "delete"}})
return c.state.DeleteConfigEntry(index, req.Entry.GetKind(), req.Entry.GetName())
default:
return fmt.Errorf("invalid config entry operation type: %v", req.Op)
}
}
func (c *FSM) applyACLRoleSetOperation(buf []byte, index uint64) interface{} {
var req structs.ACLRoleBatchSetRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "role"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLRoleBatchSet(index, req.Roles, req.AllowMissingLinks)
}
func (c *FSM) applyACLRoleDeleteOperation(buf []byte, index uint64) interface{} {
var req structs.ACLRoleBatchDeleteRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "role"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "delete"}})
return c.state.ACLRoleBatchDelete(index, req.RoleIDs)
}
func (c *FSM) applyACLBindingRuleSetOperation(buf []byte, index uint64) interface{} {
var req structs.ACLBindingRuleBatchSetRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "bindingrule"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLBindingRuleBatchSet(index, req.BindingRules)
}
func (c *FSM) applyACLBindingRuleDeleteOperation(buf []byte, index uint64) interface{} {
var req structs.ACLBindingRuleBatchDeleteRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "bindingrule"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "delete"}})
return c.state.ACLBindingRuleBatchDelete(index, req.BindingRuleIDs)
}
func (c *FSM) applyACLAuthMethodSetOperation(buf []byte, index uint64) interface{} {
var req structs.ACLAuthMethodBatchSetRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "authmethod"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "upsert"}})
return c.state.ACLAuthMethodBatchSet(index, req.AuthMethods)
}
func (c *FSM) applyACLAuthMethodDeleteOperation(buf []byte, index uint64) interface{} {
var req structs.ACLAuthMethodBatchDeleteRequest
if err := structs.Decode(buf, &req); err != nil {
panic(fmt.Errorf("failed to decode request: %v", err))
}
defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl", "authmethod"}, time.Now(),
[]metrics.Label{{Name: "op", Value: "delete"}})
return c.state.ACLAuthMethodBatchDelete(index, req.AuthMethodNames, &req.EnterpriseMeta)
}