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Introduce optional service_registration stanza (#7887)

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* move ServiceDiscovery into methods

* add ServiceDiscoveryFactory

* add serviceDiscovery field to vault.Core

* refactor ConsulServiceDiscovery into separate struct

* cleanup

* revert accidental change to go.mod

* cleanup

* get rid of un-needed struct tags in vault.CoreConfig

* add service_discovery parser

* add ServiceDiscovery to config

* cleanup

* cleanup

* add test for ConfigServiceDiscovery to Core

* unit testing for config service_discovery stanza

* cleanup

* get rid of un-needed redirect_addr stuff in service_discovery stanza

* improve test suite

* cleanup

* clean up test a bit

* create docs for service_discovery

* check if service_discovery is configured, but storage does not support HA

* tinker with test

* tinker with test

* tweak docs

* move ServiceDiscovery into its own package

* tweak a variable name

* fix comment

* rename service_discovery to service_registration

* tweak service_registration config

* Revert "tweak service_registration config"

This reverts commit 5509920a8ab4c5a216468f262fc07c98121dce35.

* simplify naming

* refactor into ./serviceregistration/consul
This commit is contained in:
Mike Jarmy
2019-12-06 09:46:39 -05:00
committed by GitHub
parent 47cffd09f9
commit df01a4307d
21 changed files with 1991 additions and 968 deletions
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33
sdk/physical/physical.go
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@@ -3,7 +3,6 @@ package physical
import (
"context"
"strings"
"sync"
log "github.com/hashicorp/go-hclog"
)
@@ -24,9 +23,6 @@ const (
ErrValueTooLarge = "put failed due to value being too large"
)
// ShutdownSignal
type ShutdownChannel chan struct{}
// Backend is the interface required for a physical
// backend. A physical backend is used to durably store
// data outside of Vault. As such, it is completely untrusted,
@@ -76,35 +72,6 @@ type RedirectDetect interface {
DetectHostAddr() (string, error)
}
// Callback signatures for RunServiceDiscovery
type ActiveFunction func() bool
type SealedFunction func() bool
type PerformanceStandbyFunction func() bool
// ServiceDiscovery is an optional interface that an HABackend can implement.
// If they do, the state of a backend is advertised to the service discovery
// network.
type ServiceDiscovery interface {
// NotifyActiveStateChange is used by Core to notify a backend
// capable of ServiceDiscovery that this Vault instance has changed
// its status to active or standby.
NotifyActiveStateChange() error
// NotifySealedStateChange is used by Core to notify a backend
// capable of ServiceDiscovery that Vault has changed its Sealed
// status to sealed or unsealed.
NotifySealedStateChange() error
// NotifyPerformanceStandbyStateChange is used by Core to notify a backend
// capable of ServiceDiscovery that this Vault instance has changed it
// status to performance standby or standby.
NotifyPerformanceStandbyStateChange() error
// Run executes any background service discovery tasks until the
// shutdown channel is closed.
RunServiceDiscovery(waitGroup *sync.WaitGroup, shutdownCh ShutdownChannel, redirectAddr string, activeFunc ActiveFunction, sealedFunc SealedFunction, perfStandbyFunc PerformanceStandbyFunction) error
}
type Lock interface {
// Lock is used to acquire the given lock
// The stopCh is optional and if closed should interrupt the lock