mirror of
https://github.com/shankar0123/certctl.git
synced 2026-06-07 12:21:31 +00:00
shankar0123
21aeed4f4e
Phase 0 closure (Path B2, post-rewrite):
addlicense sweep — adds the canonical certctl LLC copyright + BUSL-1.1
SPDX header to every production Go file. Template:
// Copyright 2026 certctl LLC. All rights reserved.
// SPDX-License-Identifier: BUSL-1.1
Coverage: 338 / 338 production Go files (cmd/ + internal/, excluding
*_test.go and **/testdata/**). Pre-sweep coverage was 22 / 338 (6.5%);
post-sweep is 338 / 338 (100%).
Normalized 22 pre-existing legacy headers (`// Copyright (c) certctl`
+ `// SPDX-License-Identifier: BSL-1.1`) and 1 file using a
`Certctl Contributors` attribution. The legacy SPDX ID `BSL-1.1`
is non-standard; the official SPDX identifier for Business Source
License 1.1 is `BUSL-1.1` (capital U). All 338 files now share the
canonical form.
Generated via:
addlicense -c "certctl LLC" -y 2026 \
-f cowork/legal/copyright-header.tpl \
-ignore '**/testdata/**' -ignore '**/*_test.go' \
cmd/ internal/
Verification:
find cmd internal -name '*.go' -not -name '*_test.go' \
-not -path '*/testdata/*' \
-exec grep -L '^// Copyright 2026 certctl LLC' {} \; | wc -l
Returns: 0
gofmt clean. Header additions are comments only, no compile impact.
Closes: cowork/certctl-architecture-diligence-audit.html#fix-RED-4
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
// Copyright 2026 certctl LLC. All rights reserved.
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// SPDX-License-Identifier: BUSL-1.1
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package tlsprobe
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import (
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"context"
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"time"
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)
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// RetryConfig holds parameters for exponential-backoff retries.
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// Zero values use defaults: 3 attempts, 1s initial, 16s max.
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type RetryConfig struct {
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Attempts int // total attempts; 0 = use 3 default
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InitialBackoff time.Duration // base; 0 = use 1 * time.Second default
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MaxBackoff time.Duration // cap; 0 = use 16 * time.Second default
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}
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// VerifyWithExponentialBackoff calls the probe at most cfg.Attempts times,
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// waiting cfg.InitialBackoff, 2*InitialBackoff, 4*InitialBackoff, ... capped at
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// cfg.MaxBackoff between consecutive attempts. Returns nil on first probe success;
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// returns the last attempt's error on full exhaustion.
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//
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// The probe function returns:
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// - nil error on success → return immediately, no further attempts.
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// - non-nil error → wait the exponentially-growing backoff and retry.
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//
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// The ctx is checked between attempts; ctx cancellation aborts immediately.
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//
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// Top-10 fix #8 of the 2026-05-02 deployment-target audit re-run.
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func VerifyWithExponentialBackoff(ctx context.Context, cfg RetryConfig, probe func(ctx context.Context) error) error {
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attempts := cfg.Attempts
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if attempts <= 0 {
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attempts = 3
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}
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initial := cfg.InitialBackoff
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if initial <= 0 {
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initial = 1 * time.Second
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}
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max := cfg.MaxBackoff
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if max <= 0 {
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max = 16 * time.Second
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}
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backoff := initial
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var lastErr error
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for i := 0; i < attempts; i++ {
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if i > 0 {
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-time.After(backoff):
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}
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backoff *= 2
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if backoff > max {
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backoff = max
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}
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}
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if err := probe(ctx); err == nil {
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return nil
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} else {
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lastErr = err
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}
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}
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return lastErr
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}
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