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refactor(config): extract NotifierConfig to its own file (Phase 9, 1 of N)
Phase 9 of the certctl architecture diligence remediation begins
closing ARCH-M2: the 6 backend mega-files totaling > 13K LOC of
change-risk hotspots. config.go is the largest (3,403 LOC pre-split)
and the most frequently touched (env-var ingestion gets edited every
release). The audit's "3.2K LOC / 11.5K total across 6 files" claim
has drifted upward — live grep shows config.go alone is now 3,403
LOC and the top-6 hotspots total 13,267 LOC. The audit's framing is
directionally correct; numbers updated in cowork/certctl-architecture-
diligence-audit.html with this commit.
This commit ships the FIRST of many splits (one per PR per the
Phase 9 prompt's "Do not bundle" rule):
Extract NotifierConfig (65 lines) → internal/config/notifiers.go
Why NotifierConfig first
========================
- Cleanest possible cut: a single struct, no helper functions, no
validation logic, no cross-references to Load() except via the
Config{}.Notifiers field copy (which is package-internal so
moving the struct definition doesn't touch Load()).
- Demonstrates the split pattern with minimum risk before tackling
the harder cuts (SCEPConfig + helpers, ACMEConfig + helpers, the
giant ESTConfig family).
- Public-surface byte-identical: every caller's
`config.NotifierConfig` import path is preserved (package stays
`config`; the struct just lives in a different file within the
same package).
Live audit (Phase 9 audit questions answered)
==============================================
top-10 production .go files by LOC (find cmd internal -name '*.go'
-not -name '*_test.go' | xargs wc -l | sort -rn | head -10):
3403 internal/config/config.go <-- this commit -68
2966 cmd/server/main.go
1965 internal/service/acme.go
1867 internal/mcp/tools.go
1577 internal/api/handler/auth_session_oidc.go
1489 cmd/agent/main.go
1356 internal/auth/oidc/service.go
1249 internal/scheduler/scheduler.go
1235 internal/connector/issuer/local/local.go
1224 internal/service/scep.go
The audit's "3 others beyond config/main/acme" are:
- internal/mcp/tools.go (1867 LOC)
- internal/api/handler/auth_session_oidc.go (1577 LOC)
- cmd/agent/main.go (1489 LOC)
The top-6 thus differ from the audit's named-only-3 by one entry —
auth/oidc/service.go (1356) edges out the audit's likely fourth pick.
Document both in the Phase 9 plan under Tasks-Deferred so the
remaining sub-splits know which files are in scope.
config.go internals (45 distinct exported `type X struct` defs as of
this commit's pre-state):
Config, ServerConfig, ServerTLSConfig,
DatabaseConfig, SchedulerConfig, LogConfig, AuthConfig,
RateLimitConfig, CORSConfig, KeygenConfig, CAConfig,
StepCAConfig, VaultConfig, DigiCertConfig, SectigoConfig,
GoogleCASConfig, OpenSSLConfig, ESTConfig, ESTProfileConfig,
SCEPConfig, SCEPProfileConfig, SCEPIntuneProfileConfig,
NetworkScanConfig, VerificationConfig, ApprovalConfig,
NamedAPIKey, SessionConfig, BreakglassConfig, EncryptionConfig,
CloudDiscoveryConfig, AWSSecretsMgrDiscoveryConfig,
AzureKVDiscoveryConfig, GCPSecretMgrDiscoveryConfig,
NotifierConfig (THIS COMMIT), DigestConfig, HealthCheckConfig,
ACMEConfig, ACMEServerConfig, ACMEServerDirectoryMeta,
AWSACMPCAConfig, EntrustConfig, GlobalSignConfig, EJBCAConfig,
OCSPResponderConfig
Each is a natural future-split candidate. The next 5 cuts target the
highest-LOC groups: ACME family (~230 lines), EST family (~165
lines), SCEP family (~220 lines), Auth family (~210 lines), issuer-
specific configs (AWSACMPCA, Entrust, GlobalSign, EJBCA, StepCA,
Vault, DigiCert, Sectigo, GoogleCAS, OpenSSL — ~600 lines combined).
Public-surface invariant
========================
- Package name stays `config`.
- Struct + all field names byte-identical.
- Every caller's `config.NotifierConfig` import path preserved.
- Verified via:
go build ./internal/config/... → clean
go test ./internal/config/... -count=1 → ok (0.67s)
gofmt -l internal/config/ → clean
staticcheck ./internal/config/... → clean
LOC delta:
config.go: 3403 → 3335 (-68 lines)
notifiers.go: new, 86 lines (incl. 18-line Phase 9 doc-comment +
BSL header + package decl)
Phase 9 follow-on plan (each = separate commit, separate review)
================================================================
Next cuts from config.go (priority order):
2 of N. ACMEConfig + ACMEServerConfig + ACMEServerDirectoryMeta
→ internal/config/acme.go (~230 lines moved)
3 of N. SCEPConfig + SCEPProfileConfig + SCEPIntuneProfileConfig
+ loadSCEPProfilesFromEnv + mergeSCEPLegacyIntoProfiles
+ validSCEPPathID → internal/config/scep.go (~330 lines)
4 of N. ESTConfig + ESTProfileConfig + loadESTProfilesFromEnv +
mergeESTLegacyIntoProfiles + parseAuthModes +
validESTPathID + validESTAuthMode
→ internal/config/est.go (~250 lines)
5 of N. AuthConfig + SessionConfig + BreakglassConfig +
NamedAPIKey + ParseNamedAPIKeys + isValidKeyName +
ValidAuthTypes → internal/config/auth.go (~340 lines)
6 of N. ServerConfig + ServerTLSConfig + DatabaseConfig +
SchedulerConfig + LogConfig + RateLimitConfig +
CORSConfig + isLoopbackAddr → internal/config/server.go
(~270 lines)
7 of N. KeygenConfig + CAConfig + StepCAConfig + VaultConfig +
DigiCertConfig + SectigoConfig + GoogleCASConfig +
AWSACMPCAConfig + EntrustConfig + GlobalSignConfig +
EJBCAConfig + OpenSSLConfig → internal/config/issuers.go
(~600 lines)
After the config.go cuts land, the same pattern applies to the next
5 hotspots:
8 of N. cmd/server/main.go split: main.go (entrypoint),
wire.go (DI assembly), migrations.go (boot-migration
path). Phase 4's migration-hook lives in main.go today;
migrations.go inherits the path without re-touching it.
9 of N. internal/service/acme.go split: orders.go, authz.go,
challenges.go, nonces.go, gc.go under
internal/service/acme/. Becomes its own subpackage.
10 of N. internal/mcp/tools.go split: tools probably group
naturally by certificate / agent / job / discovery /
admin domains.
11 of N. internal/api/handler/auth_session_oidc.go split: by
handler verb (login, callback, refresh, logout,
backchannel).
12 of N. cmd/agent/main.go split: main.go (entrypoint), poll.go
(work-poll loop), deploy.go (deployment execution),
register.go (bootstrap + registration).
Pattern lesson logged in cowork/certctl-architecture-diligence-
audit.html Tasks-Deferred table.
Pre-commit verification gate respected:
gofmt -l → clean
go vet ./internal/config/... → clean (implicit via go test)
go test ./internal/config/... → ok
staticcheck ./internal/config/... → clean
TestRouterRBACGateCoverage → not affected (config package)
Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
(partial — 1 of N — full ARCH-M2 closure is the aggregate)
This commit is contained in:
shankar0123
@@ -353,74 +353,6 @@ type GCPSecretMgrDiscoveryConfig struct {
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Credentials string
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}
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// NotifierConfig contains configuration for notification connectors.
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// Each notifier is enabled by setting its required env var (webhook URL or API key).
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type NotifierConfig struct {
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// SlackWebhookURL is the incoming webhook URL for Slack notifications.
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// Format: https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX
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// Optional: leave empty to disable Slack notifications.
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SlackWebhookURL string
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// SlackChannel optionally overrides the default channel in the Slack webhook.
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// Example: "#alerts" or "@user". Leave empty to use webhook's default channel.
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SlackChannel string
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// SlackUsername sets the display name for Slack bot messages.
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// Default: "certctl". Used in webhook message formatting.
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SlackUsername string
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// TeamsWebhookURL is the incoming webhook URL for Microsoft Teams notifications.
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// Format: https://outlook.webhook.office.com/webhookb2/...
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// Optional: leave empty to disable Teams notifications.
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TeamsWebhookURL string
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// PagerDutyRoutingKey is the integration key for PagerDuty Events API v2.
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// Obtain from PagerDuty integration settings.
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// Optional: leave empty to disable PagerDuty notifications.
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PagerDutyRoutingKey string
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// PagerDutySeverity sets the default severity level for PagerDuty events.
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// Valid values: "info", "warning", "error", "critical". Default: "warning".
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PagerDutySeverity string
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// OpsGenieAPIKey is the API key for OpsGenie Alert API v2.
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// Obtain from OpsGenie organization settings.
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// Optional: leave empty to disable OpsGenie notifications.
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OpsGenieAPIKey string
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// OpsGeniePriority sets the default priority for OpsGenie alerts.
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// Valid values: "P1", "P2", "P3", "P4", "P5". Default: "P3".
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OpsGeniePriority string
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// SMTPHost is the SMTP server hostname for sending email notifications.
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// Example: "smtp.gmail.com", "smtp.sendgrid.net". Required for email notifications.
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// Setting: CERTCTL_SMTP_HOST environment variable.
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SMTPHost string
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// SMTPPort is the SMTP server port. Default: 587 (STARTTLS).
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// Common values: 25 (plain), 465 (implicit TLS), 587 (STARTTLS).
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// Setting: CERTCTL_SMTP_PORT environment variable.
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SMTPPort int
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// SMTPUsername is the SMTP authentication username.
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// Setting: CERTCTL_SMTP_USERNAME environment variable.
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SMTPUsername string
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// SMTPPassword is the SMTP authentication password or app-specific password.
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// Setting: CERTCTL_SMTP_PASSWORD environment variable.
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SMTPPassword string
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// SMTPFromAddress is the sender email address for outbound notifications.
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// Example: "certctl@example.com", "noreply@company.com".
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// Setting: CERTCTL_SMTP_FROM_ADDRESS environment variable.
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SMTPFromAddress string
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// SMTPUseTLS enables TLS for the SMTP connection.
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// Default: true. Set to false for plain SMTP (not recommended).
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// Setting: CERTCTL_SMTP_USE_TLS environment variable.
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SMTPUseTLS bool
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}
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// KeygenConfig controls where private keys are generated.
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type KeygenConfig struct {
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// Mode determines where certificate private keys are generated.
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@@ -0,0 +1,86 @@
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// Copyright 2026 certctl LLC. All rights reserved.
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// SPDX-License-Identifier: BUSL-1.1
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package config
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// Phase 9 ARCH-M2 closure (2026-05-14): extracted from config.go to
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// reduce the change-risk hotspot footprint of the giant config file
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// (config.go pre-Phase-9 was 3,403 LOC, exceeding the < 500 LOC
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// target). This file contains the NotifierConfig struct unchanged —
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// every field, doc-comment, and exported name is byte-identical to
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// the pre-split form. The struct lives in the same `config` package
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// so every caller's `config.NotifierConfig` import path is preserved
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// without modification.
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//
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// Public-surface invariant: any code importing
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// `github.com/certctl-io/certctl/internal/config` reads
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// `NotifierConfig` the same way before and after this split. The
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// `go doc internal/config NotifierConfig` output is identical.
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// NotifierConfig contains configuration for notification connectors.
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// Each notifier is enabled by setting its required env var (webhook URL or API key).
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type NotifierConfig struct {
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// SlackWebhookURL is the incoming webhook URL for Slack notifications.
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// Format: https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX
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// Optional: leave empty to disable Slack notifications.
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SlackWebhookURL string
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// SlackChannel optionally overrides the default channel in the Slack webhook.
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// Example: "#alerts" or "@user". Leave empty to use webhook's default channel.
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SlackChannel string
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// SlackUsername sets the display name for Slack bot messages.
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// Default: "certctl". Used in webhook message formatting.
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SlackUsername string
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// TeamsWebhookURL is the incoming webhook URL for Microsoft Teams notifications.
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// Format: https://outlook.webhook.office.com/webhookb2/...
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// Optional: leave empty to disable Teams notifications.
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TeamsWebhookURL string
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// PagerDutyRoutingKey is the integration key for PagerDuty Events API v2.
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// Obtain from PagerDuty integration settings.
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// Optional: leave empty to disable PagerDuty notifications.
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PagerDutyRoutingKey string
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// PagerDutySeverity sets the default severity level for PagerDuty events.
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// Valid values: "info", "warning", "error", "critical". Default: "warning".
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PagerDutySeverity string
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// OpsGenieAPIKey is the API key for OpsGenie Alert API v2.
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// Obtain from OpsGenie organization settings.
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// Optional: leave empty to disable OpsGenie notifications.
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OpsGenieAPIKey string
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// OpsGeniePriority sets the default priority for OpsGenie alerts.
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// Valid values: "P1", "P2", "P3", "P4", "P5". Default: "P3".
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OpsGeniePriority string
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// SMTPHost is the SMTP server hostname for sending email notifications.
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// Example: "smtp.gmail.com", "smtp.sendgrid.net". Required for email notifications.
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// Setting: CERTCTL_SMTP_HOST environment variable.
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SMTPHost string
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// SMTPPort is the SMTP server port. Default: 587 (STARTTLS).
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// Common values: 25 (plain), 465 (implicit TLS), 587 (STARTTLS).
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// Setting: CERTCTL_SMTP_PORT environment variable.
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SMTPPort int
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// SMTPUsername is the SMTP authentication username.
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// Setting: CERTCTL_SMTP_USERNAME environment variable.
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SMTPUsername string
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// SMTPPassword is the SMTP authentication password or app-specific password.
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// Setting: CERTCTL_SMTP_PASSWORD environment variable.
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SMTPPassword string
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// SMTPFromAddress is the sender email address for outbound notifications.
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// Example: "certctl@example.com", "noreply@company.com".
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// Setting: CERTCTL_SMTP_FROM_ADDRESS environment variable.
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SMTPFromAddress string
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// SMTPUseTLS enables TLS for the SMTP connection.
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// Default: true. Set to false for plain SMTP (not recommended).
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// Setting: CERTCTL_SMTP_USE_TLS environment variable.
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SMTPUseTLS bool
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}
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