Creates a registration mechanism for FSM commands.
This commit is contained in:
James Phillips
parent
3e7ea1931c
commit
4eaee8e0ba
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@ -0,0 +1,263 @@
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package fsm
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import (
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"fmt"
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"time"
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"github.com/armon/go-metrics"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/api"
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)
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func init() {
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registerCommand(structs.RegisterRequestType, (*FSM).applyRegister)
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registerCommand(structs.DeregisterRequestType, (*FSM).applyDeregister)
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registerCommand(structs.KVSRequestType, (*FSM).applyKVSOperation)
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registerCommand(structs.SessionRequestType, (*FSM).applySessionOperation)
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registerCommand(structs.ACLRequestType, (*FSM).applyACLOperation)
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registerCommand(structs.TombstoneRequestType, (*FSM).applyTombstoneOperation)
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registerCommand(structs.CoordinateBatchUpdateType, (*FSM).applyCoordinateBatchUpdate)
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registerCommand(structs.PreparedQueryRequestType, (*FSM).applyPreparedQueryOperation)
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registerCommand(structs.TxnRequestType, (*FSM).applyTxn)
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registerCommand(structs.AutopilotRequestType, (*FSM).applyAutopilotUpdate)
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}
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func (c *FSM) applyRegister(buf []byte, index uint64) interface{} {
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defer metrics.MeasureSince([]string{"consul", "fsm", "register"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "register"}, time.Now())
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var req structs.RegisterRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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// Apply all updates in a single transaction
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if err := c.state.EnsureRegistration(index, &req); err != nil {
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c.logger.Printf("[WARN] consul.fsm: EnsureRegistration failed: %v", err)
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return err
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}
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return nil
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}
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func (c *FSM) applyDeregister(buf []byte, index uint64) interface{} {
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defer metrics.MeasureSince([]string{"consul", "fsm", "deregister"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "deregister"}, time.Now())
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var req structs.DeregisterRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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// Either remove the service entry or the whole node. The precedence
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// here is also baked into vetDeregisterWithACL() in acl.go, so if you
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// make changes here, be sure to also adjust the code over there.
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if req.ServiceID != "" {
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if err := c.state.DeleteService(index, req.Node, req.ServiceID); err != nil {
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c.logger.Printf("[WARN] consul.fsm: DeleteNodeService failed: %v", err)
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return err
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}
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} else if req.CheckID != "" {
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if err := c.state.DeleteCheck(index, req.Node, req.CheckID); err != nil {
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c.logger.Printf("[WARN] consul.fsm: DeleteNodeCheck failed: %v", err)
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return err
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}
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} else {
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if err := c.state.DeleteNode(index, req.Node); err != nil {
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c.logger.Printf("[WARN] consul.fsm: DeleteNode failed: %v", err)
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return err
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}
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}
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return nil
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}
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func (c *FSM) applyKVSOperation(buf []byte, index uint64) interface{} {
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var req structs.KVSRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "kvs"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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defer metrics.MeasureSinceWithLabels([]string{"fsm", "kvs"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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switch req.Op {
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case api.KVSet:
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return c.state.KVSSet(index, &req.DirEnt)
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case api.KVDelete:
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return c.state.KVSDelete(index, req.DirEnt.Key)
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case api.KVDeleteCAS:
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act, err := c.state.KVSDeleteCAS(index, req.DirEnt.ModifyIndex, req.DirEnt.Key)
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if err != nil {
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return err
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}
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return act
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case api.KVDeleteTree:
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return c.state.KVSDeleteTree(index, req.DirEnt.Key)
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case api.KVCAS:
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act, err := c.state.KVSSetCAS(index, &req.DirEnt)
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if err != nil {
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return err
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}
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return act
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case api.KVLock:
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act, err := c.state.KVSLock(index, &req.DirEnt)
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if err != nil {
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return err
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}
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return act
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case api.KVUnlock:
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act, err := c.state.KVSUnlock(index, &req.DirEnt)
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if err != nil {
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return err
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}
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return act
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default:
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err := fmt.Errorf("Invalid KVS operation '%s'", req.Op)
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c.logger.Printf("[WARN] consul.fsm: %v", err)
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return err
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}
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}
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func (c *FSM) applySessionOperation(buf []byte, index uint64) interface{} {
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var req structs.SessionRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "session"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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defer metrics.MeasureSinceWithLabels([]string{"fsm", "session"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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switch req.Op {
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case structs.SessionCreate:
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if err := c.state.SessionCreate(index, &req.Session); err != nil {
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return err
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}
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return req.Session.ID
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case structs.SessionDestroy:
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return c.state.SessionDestroy(index, req.Session.ID)
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default:
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c.logger.Printf("[WARN] consul.fsm: Invalid Session operation '%s'", req.Op)
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return fmt.Errorf("Invalid Session operation '%s'", req.Op)
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}
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}
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func (c *FSM) applyACLOperation(buf []byte, index uint64) interface{} {
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var req structs.ACLRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "acl"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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defer metrics.MeasureSinceWithLabels([]string{"fsm", "acl"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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switch req.Op {
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case structs.ACLBootstrapInit:
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enabled, err := c.state.ACLBootstrapInit(index)
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if err != nil {
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return err
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}
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return enabled
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case structs.ACLBootstrapNow:
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if err := c.state.ACLBootstrap(index, &req.ACL); err != nil {
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return err
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}
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return &req.ACL
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case structs.ACLForceSet, structs.ACLSet:
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if err := c.state.ACLSet(index, &req.ACL); err != nil {
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return err
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}
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return req.ACL.ID
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case structs.ACLDelete:
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return c.state.ACLDelete(index, req.ACL.ID)
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default:
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c.logger.Printf("[WARN] consul.fsm: Invalid ACL operation '%s'", req.Op)
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return fmt.Errorf("Invalid ACL operation '%s'", req.Op)
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}
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}
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func (c *FSM) applyTombstoneOperation(buf []byte, index uint64) interface{} {
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var req structs.TombstoneRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "tombstone"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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defer metrics.MeasureSinceWithLabels([]string{"fsm", "tombstone"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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switch req.Op {
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case structs.TombstoneReap:
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return c.state.ReapTombstones(req.ReapIndex)
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default:
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c.logger.Printf("[WARN] consul.fsm: Invalid Tombstone operation '%s'", req.Op)
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return fmt.Errorf("Invalid Tombstone operation '%s'", req.Op)
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}
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}
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// applyCoordinateBatchUpdate processes a batch of coordinate updates and applies
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// them in a single underlying transaction. This interface isn't 1:1 with the outer
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// update interface that the coordinate endpoint exposes, so we made it single
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// purpose and avoided the opcode convention.
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func (c *FSM) applyCoordinateBatchUpdate(buf []byte, index uint64) interface{} {
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var updates structs.Coordinates
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if err := structs.Decode(buf, &updates); err != nil {
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panic(fmt.Errorf("failed to decode batch updates: %v", err))
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}
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defer metrics.MeasureSince([]string{"consul", "fsm", "coordinate", "batch-update"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "coordinate", "batch-update"}, time.Now())
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if err := c.state.CoordinateBatchUpdate(index, updates); err != nil {
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return err
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}
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return nil
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}
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// applyPreparedQueryOperation applies the given prepared query operation to the
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// state store.
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func (c *FSM) applyPreparedQueryOperation(buf []byte, index uint64) interface{} {
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var req structs.PreparedQueryRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSinceWithLabels([]string{"consul", "fsm", "prepared-query"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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defer metrics.MeasureSinceWithLabels([]string{"fsm", "prepared-query"}, time.Now(),
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[]metrics.Label{{Name: "op", Value: string(req.Op)}})
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switch req.Op {
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case structs.PreparedQueryCreate, structs.PreparedQueryUpdate:
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return c.state.PreparedQuerySet(index, req.Query)
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case structs.PreparedQueryDelete:
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return c.state.PreparedQueryDelete(index, req.Query.ID)
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default:
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c.logger.Printf("[WARN] consul.fsm: Invalid PreparedQuery operation '%s'", req.Op)
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return fmt.Errorf("Invalid PreparedQuery operation '%s'", req.Op)
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}
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}
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func (c *FSM) applyTxn(buf []byte, index uint64) interface{} {
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var req structs.TxnRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSince([]string{"consul", "fsm", "txn"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "txn"}, time.Now())
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results, errors := c.state.TxnRW(index, req.Ops)
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return structs.TxnResponse{
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Results: results,
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Errors: errors,
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}
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}
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func (c *FSM) applyAutopilotUpdate(buf []byte, index uint64) interface{} {
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var req structs.AutopilotSetConfigRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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defer metrics.MeasureSince([]string{"consul", "fsm", "autopilot"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "autopilot"}, time.Now())
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if req.CAS {
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act, err := c.state.AutopilotCASConfig(index, req.Config.ModifyIndex, &req.Config)
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if err != nil {
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return err
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}
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return act
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}
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return c.state.AutopilotSetConfig(index, &req.Config)
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}
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File diff suppressed because it is too large
Load Diff
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@ -10,7 +10,6 @@ import (
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"github.com/armon/go-metrics"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/go-msgpack/codec"
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"github.com/hashicorp/raft"
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)
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@ -18,6 +17,28 @@ import (
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// msgpackHandle is a shared handle for encoding/decoding msgpack payloads
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var msgpackHandle = &codec.MsgpackHandle{}
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// command is a command method on the FSM.
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type command func(buf []byte, index uint64) interface{}
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// unboundCommand is a command method on the FSM, not yet bound to an FSM
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// instance.
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type unboundCommand func(c *FSM, buf []byte, index uint64) interface{}
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// commands is a map from message type to unbound command.
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var commands map[structs.MessageType]unboundCommand
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// registerCommand registers a new command with the FSM, which should be done
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// at package init() time.
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func registerCommand(msg structs.MessageType, fn unboundCommand) {
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if commands == nil {
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commands = make(map[structs.MessageType]unboundCommand)
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}
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if commands[msg] != nil {
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panic(fmt.Errorf("Message %d is already registered", msg))
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}
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commands[msg] = fn
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}
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// FSM implements a finite state machine that is used
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// along with Raft to provide strong consistency. We implement
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// this outside the Server to avoid exposing this outside the package.
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@ -26,6 +47,10 @@ type FSM struct {
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logger *log.Logger
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path string
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// apply is built off the commands global and is used to route apply
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// operations to their appropriate handlers.
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apply map[structs.MessageType]command
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// stateLock is only used to protect outside callers to State() from
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// racing with Restore(), which is called by Raft (it puts in a totally
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// new state store). Everything internal here is synchronized by the
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@ -60,9 +85,19 @@ func New(gc *state.TombstoneGC, logOutput io.Writer) (*FSM, error) {
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fsm := &FSM{
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logOutput: logOutput,
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logger: log.New(logOutput, "", log.LstdFlags),
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apply: make(map[structs.MessageType]command),
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state: stateNew,
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gc: gc,
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}
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// Build out the apply dispatch table based on the registered commands.
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for msg, fn := range commands {
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thisFn := fn
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fsm.apply[msg] = func(buf []byte, index uint64) interface{} {
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return thisFn(fsm, buf, index)
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}
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}
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return fsm, nil
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}
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@ -86,275 +121,19 @@ func (c *FSM) Apply(log *raft.Log) interface{} {
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ignoreUnknown = true
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}
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switch msgType {
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case structs.RegisterRequestType:
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return c.applyRegister(buf[1:], log.Index)
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case structs.DeregisterRequestType:
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return c.applyDeregister(buf[1:], log.Index)
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case structs.KVSRequestType:
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return c.applyKVSOperation(buf[1:], log.Index)
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case structs.SessionRequestType:
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return c.applySessionOperation(buf[1:], log.Index)
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case structs.ACLRequestType:
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return c.applyACLOperation(buf[1:], log.Index)
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case structs.TombstoneRequestType:
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return c.applyTombstoneOperation(buf[1:], log.Index)
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case structs.CoordinateBatchUpdateType:
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return c.applyCoordinateBatchUpdate(buf[1:], log.Index)
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case structs.PreparedQueryRequestType:
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return c.applyPreparedQueryOperation(buf[1:], log.Index)
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case structs.TxnRequestType:
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return c.applyTxn(buf[1:], log.Index)
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case structs.AutopilotRequestType:
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return c.applyAutopilotUpdate(buf[1:], log.Index)
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default:
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// Apply based on the dispatch table, if possible.
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if fn, ok := c.apply[msgType]; ok {
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return fn(buf[1:], log.Index)
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}
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// Otherwise, see if it's safe to ignore. If not, we have to panic so
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// that we crash and our state doesn't diverge.
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if ignoreUnknown {
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c.logger.Printf("[WARN] consul.fsm: ignoring unknown message type (%d), upgrade to newer version", msgType)
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return nil
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}
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panic(fmt.Errorf("failed to apply request: %#v", buf))
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}
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}
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func (c *FSM) applyRegister(buf []byte, index uint64) interface{} {
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defer metrics.MeasureSince([]string{"consul", "fsm", "register"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "register"}, time.Now())
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var req structs.RegisterRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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// Apply all updates in a single transaction
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if err := c.state.EnsureRegistration(index, &req); err != nil {
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c.logger.Printf("[WARN] consul.fsm: EnsureRegistration failed: %v", err)
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return err
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}
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return nil
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}
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func (c *FSM) applyDeregister(buf []byte, index uint64) interface{} {
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defer metrics.MeasureSince([]string{"consul", "fsm", "deregister"}, time.Now())
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defer metrics.MeasureSince([]string{"fsm", "deregister"}, time.Now())
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var req structs.DeregisterRequest
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if err := structs.Decode(buf, &req); err != nil {
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panic(fmt.Errorf("failed to decode request: %v", err))
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}
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// Either remove the service entry or the whole node. The precedence
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// here is also baked into vetDeregisterWithACL() in acl.go, so if you
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// make changes here, be sure to also adjust the code over there.
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if req.ServiceID != "" {
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if err := c.state.DeleteService(index, req.Node, req.ServiceID); err != nil {
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c.logger.Printf("[WARN] consul.fsm: DeleteNodeService failed: %v", err)
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return err
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}
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} else if req.CheckID != "" {
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if err := c.state.DeleteCheck(index, req.Node, req.CheckID); err != nil {
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c.logger.Printf("[WARN] consul.fsm: DeleteNodeCheck failed: %v", err)
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return err
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}
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} else {
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if err := c.state.DeleteNode(index, req.Node); err != nil {
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c.logger.Printf("[WARN] consul.fsm: DeleteNode failed: %v", err)
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return err
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}
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}
|
||||
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{"consul", "fsm", "kvs"}, time.Now(),
|
||||
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
|
||||
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{"consul", "fsm", "session"}, time.Now(),
|
||||
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
|
||||
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)
|
||||
default:
|
||||
c.logger.Printf("[WARN] consul.fsm: Invalid Session operation '%s'", req.Op)
|
||||
return fmt.Errorf("Invalid Session operation '%s'", req.Op)
|
||||
}
|
||||
}
|
||||
|
||||
func (c *FSM) applyACLOperation(buf []byte, index uint64) interface{} {
|
||||
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{"consul", "fsm", "acl"}, time.Now(),
|
||||
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
|
||||
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.ACLBootstrapInit(index)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return enabled
|
||||
case structs.ACLBootstrapNow:
|
||||
if err := c.state.ACLBootstrap(index, &req.ACL); err != nil {
|
||||
return err
|
||||
}
|
||||
return &req.ACL
|
||||
case structs.ACLForceSet, structs.ACLSet:
|
||||
if err := c.state.ACLSet(index, &req.ACL); err != nil {
|
||||
return err
|
||||
}
|
||||
return req.ACL.ID
|
||||
case structs.ACLDelete:
|
||||
return c.state.ACLDelete(index, req.ACL.ID)
|
||||
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{"consul", "fsm", "tombstone"}, time.Now(),
|
||||
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
|
||||
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{"consul", "fsm", "coordinate", "batch-update"}, time.Now())
|
||||
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{"consul", "fsm", "prepared-query"}, time.Now(),
|
||||
[]metrics.Label{{Name: "op", Value: string(req.Op)}})
|
||||
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{"consul", "fsm", "txn"}, time.Now())
|
||||
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{"consul", "fsm", "autopilot"}, time.Now())
|
||||
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)
|
||||
}
|
||||
|
||||
func (c *FSM) Snapshot() (raft.FSMSnapshot, error) {
|
||||
defer func(start time.Time) {
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue