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Attempt to fix TestBootstrapClientServerRotation

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This change attempts to fix the test TestBootstrapClientServerRotation.
Due to the backdate, the renew options get too large, causing
continuous renewals, and random errors. After experimenting with
different options, truncating durations to seconds have shown better
results than rounding or just use the plain time.
This commit is contained in:
Mariano Cano 2022-03-23 19:14:28 -07:00
parent 27c1d0afc3
commit 750e9ee2f8
1 changed files with 5 additions and 2 deletions
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7
ca/renew.go
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@ -60,7 +60,10 @@ func NewTLSRenewer(cert *tls.Certificate, fn RenewFunc, opts ...tlsRenewerOption
}
}
period := cert.Leaf.NotAfter.Sub(cert.Leaf.NotBefore)
// Use the current time to calculate the initial period. Using a notBefore
// in the past might set a renewBefore too large, causing continuous
// renewals due to the negative values in nextRenewDuration.
period := cert.Leaf.NotAfter.Sub(time.Now().Truncate(time.Second))
if period < minCertDuration {
return nil, errors.Errorf("period must be greater than or equal to %s, but got %v.", minCertDuration, period)
}
@ -181,7 +184,7 @@ func (r *TLSRenewer) renewCertificate() {
}
func (r *TLSRenewer) nextRenewDuration(notAfter time.Time) time.Duration {
d := time.Until(notAfter) - r.renewBefore
d := time.Until(notAfter).Truncate(time.Second) - r.renewBefore
n := rand.Int63n(int64(r.renewJitter))
d -= time.Duration(n)
if d < 0 {