b524e9b497
Replace the Provisioner and Renewer with poll-based provision and renew workers orchestrated by a certmanager Service. Certificate operations are now hostname-centric and driven by the certificates table, decoupled from custom-domain business logic. Signed-off-by: Bryan Frimin <bryan@probo.com>
128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
// Copyright (c) 2025-2026 Probo Inc <hello@probo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package certmanager
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import (
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"context"
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"errors"
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"fmt"
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"go.gearno.de/kit/log"
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"go.gearno.de/kit/pg"
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"go.gearno.de/kit/worker"
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"go.probo.inc/probo/pkg/coredata"
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"go.probo.inc/probo/pkg/crypto/cipher"
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)
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type renewHandler struct {
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pg *pg.Client
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encryptionKey cipher.EncryptionKey
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logger *log.Logger
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}
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var (
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_ worker.Handler[coredata.Certificate] = (*renewHandler)(nil)
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_ worker.StaleRecoverer = (*renewHandler)(nil)
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)
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func NewRenewWorker(
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pgClient *pg.Client,
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encryptionKey cipher.EncryptionKey,
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logger *log.Logger,
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opts ...worker.Option,
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) *worker.Worker[coredata.Certificate] {
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h := &renewHandler{
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pg: pgClient,
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encryptionKey: encryptionKey,
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logger: logger,
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}
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return worker.New(
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"certificate-renew-worker",
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h,
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logger,
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opts...,
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)
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}
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func (h *renewHandler) Claim(ctx context.Context) (coredata.Certificate, error) {
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var certificate coredata.Certificate
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if err := h.pg.WithTx(
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ctx,
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func(ctx context.Context, tx pg.Tx) error {
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if err := certificate.LoadNextForRenewalForUpdateSkipLocked(ctx, tx); err != nil {
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return err
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}
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certificate.Status = coredata.CertificateStatusRenewing
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if err := certificate.Update(ctx, tx, coredata.NewNoScope()); err != nil {
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return fmt.Errorf("cannot update certificate status: %w", err)
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}
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h.logger.InfoCtx(
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ctx,
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"queued certificate for renewal",
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log.String("hostname", certificate.Hostname),
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)
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return nil
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},
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); err != nil {
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if errors.Is(err, coredata.ErrResourceNotFound) {
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return coredata.Certificate{}, worker.ErrNoTask
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}
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return coredata.Certificate{}, err
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}
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return certificate, nil
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}
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func (h *renewHandler) Process(_ context.Context, _ coredata.Certificate) error {
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return nil
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}
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func (h *renewHandler) RecoverStale(ctx context.Context) error {
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return h.pg.WithConn(
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ctx,
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func(ctx context.Context, conn pg.Querier) error {
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var caches coredata.CachedCertificates
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cacheCount, err := caches.CountAll(ctx, conn)
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if err != nil {
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return fmt.Errorf("cannot count certificate cache: %w", err)
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}
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if cacheCount == 0 {
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h.logger.InfoCtx(ctx, "certificate cache is empty, rebuilding from certificates")
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warmer := NewCacheStore(h.pg, h.encryptionKey, h.logger)
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if err := warmer.WarmCache(ctx); err != nil {
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return fmt.Errorf("cannot rebuild certificate cache: %w", err)
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}
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h.logger.InfoCtx(ctx, "certificate cache rebuilt successfully")
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}
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if err := caches.CleanExpired(ctx, conn); err != nil {
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return fmt.Errorf("cannot clean certificate cache: %w", err)
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}
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return nil
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},
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)
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}
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