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tickers.go
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tickers.go
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package controller
import (
"context"
"math/rand"
"time"
"github.com/hashicorp/boundary/internal/servers"
"github.com/hashicorp/boundary/internal/types/resource"
)
// In the future we could make this configurable
const (
statusInterval = 10 * time.Second
terminationInterval = 1 * time.Minute
)
// This is exported so it can be tweaked in tests
var RecoveryNonceCleanupInterval = 2 * time.Minute
func (c *Controller) startStatusTicking(cancelCtx context.Context) {
go func() {
timer := time.NewTimer(0)
for {
select {
case <-cancelCtx.Done():
c.logger.Info("status ticking shutting down")
return
case <-timer.C:
server := &servers.Server{
PrivateId: c.conf.RawConfig.Controller.Name,
Name: c.conf.RawConfig.Controller.Name,
Type: resource.Controller.String(),
Description: c.conf.RawConfig.Controller.Description,
Address: c.conf.RawConfig.Controller.PublicClusterAddr,
}
repo, err := c.ServersRepoFn()
if err != nil {
c.logger.Error("error fetching repository for status update", "error", err)
} else {
_, _, err = repo.UpsertServer(cancelCtx, server)
if err != nil {
c.logger.Error("error performing status update", "error", err)
} else {
c.logger.Trace("controller status successfully saved")
}
}
timer.Reset(statusInterval)
}
}
}()
}
func (c *Controller) startRecoveryNonceCleanupTicking(cancelCtx context.Context) {
go func() {
timer := time.NewTimer(0)
for {
select {
case <-cancelCtx.Done():
c.logger.Info("recovery nonce ticking shutting down")
return
case <-timer.C:
repo, err := c.ServersRepoFn()
if err != nil {
c.logger.Error("error fetching repository for recovery nonce cleanup", "error", err)
} else {
nonceCount, err := repo.CleanupNonces(cancelCtx)
if err != nil {
c.logger.Error("error performing recovery nonce cleanup", "error", err)
} else if nonceCount > 0 {
c.logger.Info("recovery nonce cleanup successful", "nonces_cleaned", nonceCount)
}
}
timer.Reset(RecoveryNonceCleanupInterval)
}
}
}()
}
func (c *Controller) startTerminateCompletedSessionsTicking(cancelCtx context.Context) {
go func() {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
// desynchronize calls from the controllers, to ease the load on the DB.
getRandomInterval := func() time.Duration {
// 0 to 0.5 adjustment to the base
f := r.Float64() / 2
// Half a chance to be faster, not slower
if r.Float32() > 0.5 {
f = -1 * f
}
return terminationInterval + time.Duration(f*float64(time.Minute))
}
timer := time.NewTimer(0)
for {
select {
case <-cancelCtx.Done():
c.logger.Info("terminating completed sessions ticking shutting down")
return
case <-timer.C:
repo, err := c.SessionRepoFn()
if err != nil {
c.logger.Error("error fetching repository for terminating completed sessions", "error", err)
} else {
terminationCount, err := repo.TerminateCompletedSessions(cancelCtx)
if err != nil {
c.logger.Error("error performing termination of completed sessions", "error", err)
} else if terminationCount > 0 {
c.logger.Info("terminating completed sessions successful", "sessions_terminated", terminationCount)
}
}
timer.Reset(getRandomInterval())
}
}
}()
}
func (c *Controller) startCloseExpiredPendingTokens(cancelCtx context.Context) {
go func() {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
// desynchronize calls from the controllers, to ease the load on the DB.
getRandomInterval := func() time.Duration {
// 0 to 0.5 adjustment to the base
f := r.Float64() / 2
// Half a chance to be faster, not slower
if r.Float32() > 0.5 {
f = -1 * f
}
return terminationInterval + time.Duration(f*float64(time.Minute))
}
timer := time.NewTimer(0)
for {
select {
case <-cancelCtx.Done():
c.logger.Info("closing expired pending tokens ticking shutting down")
return
case <-timer.C:
repo, err := c.AuthTokenRepoFn()
if err != nil {
c.logger.Error("error fetching repository for closing expired pending tokens", "error", err)
} else {
closeCount, err := repo.CloseExpiredPendingTokens(cancelCtx)
if err != nil {
c.logger.Error("error performing closing expired pending tokens", "error", err)
} else if closeCount > 0 {
c.logger.Info("closing expired pending tokens completed sessions successful", "pending_tokens_closed", closeCount)
}
}
timer.Reset(getRandomInterval())
}
}
}()
}