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run IAM purge routines deterministically every hr (#20587) 

Existing implementation runs IAM purge routines for expired LDAP and
OIDC accounts with a probability of 0.25 after every IAM refresh. This
change ensures that they are run once in each hour.
This commit is contained in:
Aditya Manthramurthy 2024-10-29 09:01:48 -07:00 committed by GitHub
parent f85c28e960
commit c4239ced22
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1 changed files with 4 additions and 3 deletions
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7
cmd/iam.go
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@ -406,6 +406,7 @@ func (sys *IAMSys) periodicRoutines(ctx context.Context, baseInterval time.Durat
timer := time.NewTimer(waitInterval())
defer timer.Stop()
lastPurgeHour := -1
for {
select {
case <-timer.C:
@ -421,9 +422,9 @@ func (sys *IAMSys) periodicRoutines(ctx context.Context, baseInterval time.Durat
}
}
// The following actions are performed about once in 4 times that
// IAM is refreshed:
if r.Intn(4) == 0 {
// Run purge routines once in each hour.
if refreshStart.Hour() != lastPurgeHour {
lastPurgeHour = refreshStart.Hour()
// Poll and remove accounts for those users who were removed
// from LDAP/OpenID.
if sys.LDAPConfig.Enabled() {