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certctl/internal/mcp/types.go
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shankar0123 675b87ba63 I-005: notification retry loop + dead-letter queue 
Critical alerts can no longer be silently dropped by a transient
notifier failure. Failed notification attempts now ride an exponential
backoff retry loop, with a 5-attempt budget before promotion to the
dead-letter queue for operator intervention.

Schema (migration 000016, idempotent):
- retry_count INTEGER NOT NULL DEFAULT 0
- next_retry_at TIMESTAMPTZ
- last_error TEXT
- idx_notification_events_retry_sweep partial index
  (next_retry_at) WHERE status='failed' AND next_retry_at IS NOT NULL
  Dead rows clear next_retry_at so the index stops matching them.

Service contract:
- NotificationService.RetryFailedNotifications drives 2^n-minute
  exponential backoff capped at 1h (notifRetryBackoffCap) with
  5-attempt budget (notifRetryMaxAttempts).
- Exhaustion (RetryCount >= notifRetryMaxAttempts-1) promotes to
  status='dead' via MarkAsDead.
- Non-terminal failures record via RecordFailedAttempt.
- Success path promotes to 'sent' without touching retry_count
  (audit preserves "delivered on attempt N").
- Missing-notifier branch defensively promotes to 'sent' to avoid
  wedging a row on a deleted channel.
- RequeueNotification operator escape hatch atomically resets
  retry_count -> 0, next_retry_at -> NULL, last_error -> NULL,
  status -> pending via notifRepo.Requeue.

Scheduler:
- New always-on notificationRetryLoop wired into the base loop set at
  CERTCTL_NOTIFICATION_RETRY_INTERVAL (default 2m).
- sync/atomic.Bool idempotency guard.
- sync.WaitGroup shutdown drain via WaitForCompletion.

StatsService:
- SetNotifRepo setter pattern preserves 9 pre-existing
  NewStatsService call sites (main.go + stats_test.go + 8 digest
  tests) without touching the constructor signature.
- DashboardSummary.NotificationsDead populated via
  notifRepo.CountByStatus(ctx, "dead") — nil-safe when unwired
  (reports zero on systems without a notification repository).
- CountByStatus error is non-fatal (dashboard summary is
  best-effort for this field).
- Prometheus certctl_notification_dead_total counter emitted from
  the same snapshot.

Handler:
- New POST /api/v1/notifications/{id}/requeue endpoint.
- dead status surfaces to MCP + CLI.

Frontend:
- NotificationsPage gains two-tab toolbar ("All" / "Dead letter")
  with queryKey: ['notifications', activeTab] so switching tabs
  doesn't serve stale data until the 30s refetch.
- Dead rows surface "Retry {n}/5" + truncated last_error with
  full-text title tooltip.
- Requeue mutation wrapped as
    mutationFn: (id: string) => requeueNotification(id)
  to prevent react-query v5's positional context argument from
  leaking into the API client — pinned against future refactors
  by strict-match toHaveBeenCalledWith('notif-dead-001') in
  NotificationsPage.test.tsx:181.

Closes I-005.
2026-04-19 15:17:27 +00:00

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package mcp
// Input types for MCP tool arguments.
// The jsonschema struct tags provide descriptions for LLM tool discovery.
// ── Pagination ──────────────────────────────────────────────────────
type ListParams struct {
Page int `json:"page,omitempty" jsonschema:"Page number (default 1)"`
PerPage int `json:"per_page,omitempty" jsonschema:"Results per page (default 50, max 500)"`
}
// ── Certificates ────────────────────────────────────────────────────
type ListCertificatesInput struct {
ListParams
Status string `json:"status,omitempty" jsonschema:"Filter by status: Pending, Active, Expiring, Expired, RenewalInProgress, Failed, Revoked, Archived"`
Environment string `json:"environment,omitempty" jsonschema:"Filter by environment"`
OwnerID string `json:"owner_id,omitempty" jsonschema:"Filter by owner ID"`
TeamID string `json:"team_id,omitempty" jsonschema:"Filter by team ID"`
IssuerID string `json:"issuer_id,omitempty" jsonschema:"Filter by issuer ID"`
}
type GetByIDInput struct {
ID string `json:"id" jsonschema:"Resource ID (e.g. mc-api-prod, t-platform)"`
}
type CreateCertificateInput struct {
ID string `json:"id,omitempty" jsonschema:"Certificate ID (auto-generated if empty)"`
Name string `json:"name" jsonschema:"Display name"`
CommonName string `json:"common_name" jsonschema:"Certificate common name (e.g. api.example.com)"`
SANs []string `json:"sans,omitempty" jsonschema:"Subject Alternative Names"`
Environment string `json:"environment,omitempty" jsonschema:"Environment (e.g. production, staging)"`
OwnerID string `json:"owner_id" jsonschema:"Owner ID (required)"`
TeamID string `json:"team_id" jsonschema:"Team ID (required)"`
IssuerID string `json:"issuer_id" jsonschema:"Issuer connector ID"`
TargetIDs []string `json:"target_ids,omitempty" jsonschema:"Deployment target IDs"`
RenewalPolicyID string `json:"renewal_policy_id" jsonschema:"Renewal policy ID (required)"`
ProfileID string `json:"certificate_profile_id,omitempty" jsonschema:"Certificate profile ID"`
Tags map[string]string `json:"tags,omitempty" jsonschema:"Key-value tags"`
}
type UpdateCertificateInput struct {
ID string `json:"id" jsonschema:"Certificate ID to update"`
Name string `json:"name,omitempty" jsonschema:"Display name"`
Environment string `json:"environment,omitempty" jsonschema:"Environment"`
OwnerID string `json:"owner_id,omitempty" jsonschema:"Owner ID"`
TeamID string `json:"team_id,omitempty" jsonschema:"Team ID"`
TargetIDs []string `json:"target_ids,omitempty" jsonschema:"Deployment target IDs"`
RenewalPolicyID string `json:"renewal_policy_id,omitempty" jsonschema:"Renewal policy ID"`
ProfileID string `json:"certificate_profile_id,omitempty" jsonschema:"Certificate profile ID"`
Tags map[string]string `json:"tags,omitempty" jsonschema:"Key-value tags"`
}
type TriggerDeploymentInput struct {
ID string `json:"id" jsonschema:"Certificate ID"`
TargetID string `json:"target_id,omitempty" jsonschema:"Optional specific target ID"`
}
type RevokeCertificateInput struct {
ID string `json:"id" jsonschema:"Certificate ID to revoke"`
Reason string `json:"reason,omitempty" jsonschema:"RFC 5280 reason: unspecified, keyCompromise, caCompromise, affiliationChanged, superseded, cessationOfOperation, certificateHold, privilegeWithdrawn"`
}
type BulkRevokeCertificatesInput struct {
Reason string `json:"reason" jsonschema:"RFC 5280 reason: unspecified, keyCompromise, caCompromise, affiliationChanged, superseded, cessationOfOperation, certificateHold, privilegeWithdrawn"`
ProfileID string `json:"profile_id,omitempty" jsonschema:"Revoke all certs matching this profile ID"`
OwnerID string `json:"owner_id,omitempty" jsonschema:"Revoke all certs owned by this owner"`
AgentID string `json:"agent_id,omitempty" jsonschema:"Revoke all certs deployed via this agent"`
IssuerID string `json:"issuer_id,omitempty" jsonschema:"Revoke all certs issued by this issuer"`
TeamID string `json:"team_id,omitempty" jsonschema:"Revoke all certs owned by members of this team"`
CertificateIDs []string `json:"certificate_ids,omitempty" jsonschema:"Explicit list of certificate IDs to revoke"`
}
type ListVersionsInput struct {
ID string `json:"id" jsonschema:"Certificate ID"`
ListParams
}
// ── CRL & OCSP ──────────────────────────────────────────────────────
type GetDERCRLInput struct {
IssuerID string `json:"issuer_id" jsonschema:"Issuer ID for DER-encoded CRL"`
}
type OCSPInput struct {
IssuerID string `json:"issuer_id" jsonschema:"Issuer ID"`
Serial string `json:"serial" jsonschema:"Hex-encoded certificate serial number"`
}
// ── Issuers ─────────────────────────────────────────────────────────
type CreateIssuerInput struct {
ID string `json:"id,omitempty" jsonschema:"Issuer ID"`
Name string `json:"name" jsonschema:"Issuer display name"`
Type string `json:"type" jsonschema:"Issuer type: ACME, GenericCA, StepCA"`
Config interface{} `json:"config,omitempty" jsonschema:"Issuer-specific configuration"`
Enabled bool `json:"enabled,omitempty" jsonschema:"Whether the issuer is enabled"`
}
type UpdateIssuerInput struct {
ID string `json:"id" jsonschema:"Issuer ID to update"`
Name string `json:"name,omitempty" jsonschema:"Issuer display name"`
Type string `json:"type,omitempty" jsonschema:"Issuer type"`
Config interface{} `json:"config,omitempty" jsonschema:"Issuer-specific configuration"`
Enabled *bool `json:"enabled,omitempty" jsonschema:"Whether the issuer is enabled"`
}
// ── Targets ─────────────────────────────────────────────────────────
type CreateTargetInput struct {
ID string `json:"id,omitempty" jsonschema:"Target ID"`
Name string `json:"name" jsonschema:"Target display name"`
Type string `json:"type" jsonschema:"Target type: NGINX, Apache, HAProxy, F5, IIS"`
AgentID string `json:"agent_id" jsonschema:"Agent ID that manages this target (required)"`
Config interface{} `json:"config,omitempty" jsonschema:"Target-specific configuration"`
Enabled bool `json:"enabled,omitempty" jsonschema:"Whether the target is enabled"`
}
type UpdateTargetInput struct {
ID string `json:"id" jsonschema:"Target ID to update"`
Name string `json:"name,omitempty" jsonschema:"Target display name"`
Type string `json:"type,omitempty" jsonschema:"Target type"`
AgentID string `json:"agent_id,omitempty" jsonschema:"Agent ID"`
Config interface{} `json:"config,omitempty" jsonschema:"Target-specific configuration"`
Enabled *bool `json:"enabled,omitempty" jsonschema:"Whether the target is enabled"`
}
// ── Agents ──────────────────────────────────────────────────────────
type RegisterAgentInput struct {
ID string `json:"id,omitempty" jsonschema:"Agent ID"`
Name string `json:"name" jsonschema:"Agent display name"`
Hostname string `json:"hostname" jsonschema:"Agent hostname"`
}
type AgentCSRInput struct {
AgentID string `json:"agent_id" jsonschema:"Agent ID"`
CSRPEM string `json:"csr_pem" jsonschema:"PEM-encoded certificate signing request"`
CertificateID string `json:"certificate_id,omitempty" jsonschema:"Certificate ID for the CSR"`
}
type AgentPickupInput struct {
AgentID string `json:"agent_id" jsonschema:"Agent ID"`
CertID string `json:"cert_id" jsonschema:"Certificate ID to pick up"`
}
type AgentJobStatusInput struct {
AgentID string `json:"agent_id" jsonschema:"Agent ID"`
JobID string `json:"job_id" jsonschema:"Job ID"`
Status string `json:"status" jsonschema:"Job status to report"`
Error string `json:"error,omitempty" jsonschema:"Error message if job failed"`
}
// RetireAgentInput pins the MCP tool surface for certctl_retire_agent. I-004
// introduces a soft-retirement flow that the handler exposes on DELETE
// /api/v1/agents/{id} with two optional query flags: force=true cascades
// through dependent active targets/certs/jobs, and reason is the human-readable
// string captured in the audit trail. The handler enforces
// ErrForceReasonRequired when force=true is sent without a reason; we surface
// both as separate fields so the LLM can populate them independently and so
// the retire_agent_test shape assertion stays aligned with the JSON-wire
// contract. ID is always emitted (no omitempty) because a retire call without
// a target agent is meaningless; Force and Reason are omitempty so the default
// soft-retire path sends no query suffix at all.
type RetireAgentInput struct {
ID string `json:"id" jsonschema:"Agent ID to soft-retire"`
Force bool `json:"force,omitempty" jsonschema:"Cascade-retire downstream active targets, certs, and jobs (requires reason)"`
Reason string `json:"reason,omitempty" jsonschema:"Human-readable reason (required when force=true)"`
}
// ── Jobs ────────────────────────────────────────────────────────────
type ListJobsInput struct {
ListParams
Status string `json:"status,omitempty" jsonschema:"Filter by status: Pending, AwaitingCSR, AwaitingApproval, Running, Completed, Failed, Cancelled"`
Type string `json:"type,omitempty" jsonschema:"Filter by type: Issuance, Renewal, Deployment, Validation"`
}
type RejectJobInput struct {
ID string `json:"id" jsonschema:"Job ID to reject"`
Reason string `json:"reason,omitempty" jsonschema:"Reason for rejection"`
}
// ── Notifications ───────────────────────────────────────────────────
// ListNotificationsInput adds the I-005 status filter on top of the standard
// pagination params. Status="dead" drives the Dead letter tab use case;
// empty status preserves the pre-I-005 list-all behavior.
type ListNotificationsInput struct {
ListParams
Status string `json:"status,omitempty" jsonschema:"Filter by status: pending, sent, failed, dead, read"`
}
// ── Policies ────────────────────────────────────────────────────────
type CreatePolicyInput struct {
ID string `json:"id,omitempty" jsonschema:"Policy ID"`
Name string `json:"name" jsonschema:"Policy display name"`
Type string `json:"type" jsonschema:"Policy type: AllowedIssuers, AllowedDomains, RequiredMetadata, AllowedEnvironments, RenewalLeadTime"`
Config interface{} `json:"config,omitempty" jsonschema:"Policy-specific configuration"`
Enabled bool `json:"enabled,omitempty" jsonschema:"Whether the policy is enabled"`
Severity string `json:"severity,omitempty" jsonschema:"Violation severity: Warning, Error, or Critical (default: Warning)"`
}
type UpdatePolicyInput struct {
ID string `json:"id" jsonschema:"Policy ID to update"`
Name string `json:"name,omitempty" jsonschema:"Policy display name"`
Type string `json:"type,omitempty" jsonschema:"Policy type"`
Config interface{} `json:"config,omitempty" jsonschema:"Policy-specific configuration"`
Enabled *bool `json:"enabled,omitempty" jsonschema:"Whether the policy is enabled"`
Severity string `json:"severity,omitempty" jsonschema:"Violation severity: Warning, Error, or Critical"`
}
type ListViolationsInput struct {
ID string `json:"id" jsonschema:"Policy ID"`
ListParams
}
// ── Profiles ────────────────────────────────────────────────────────
type CreateProfileInput struct {
ID string `json:"id,omitempty" jsonschema:"Profile ID"`
Name string `json:"name" jsonschema:"Profile display name"`
Description string `json:"description,omitempty" jsonschema:"Profile description"`
AllowedKeyAlgorithms interface{} `json:"allowed_key_algorithms,omitempty" jsonschema:"Allowed key algorithms and minimum sizes"`
MaxTTLSeconds int `json:"max_ttl_seconds,omitempty" jsonschema:"Maximum certificate TTL in seconds"`
AllowedEKUs []string `json:"allowed_ekus,omitempty" jsonschema:"Allowed Extended Key Usages"`
RequiredSANPatterns []string `json:"required_san_patterns,omitempty" jsonschema:"Required SAN patterns"`
AllowShortLived bool `json:"allow_short_lived,omitempty" jsonschema:"Allow short-lived certificates (TTL < 1 hour)"`
Enabled bool `json:"enabled,omitempty" jsonschema:"Whether the profile is enabled"`
}
type UpdateProfileInput struct {
ID string `json:"id" jsonschema:"Profile ID to update"`
Name string `json:"name,omitempty" jsonschema:"Profile display name"`
Description string `json:"description,omitempty" jsonschema:"Profile description"`
AllowedKeyAlgorithms interface{} `json:"allowed_key_algorithms,omitempty" jsonschema:"Allowed key algorithms and minimum sizes"`
MaxTTLSeconds *int `json:"max_ttl_seconds,omitempty" jsonschema:"Maximum certificate TTL in seconds"`
AllowedEKUs []string `json:"allowed_ekus,omitempty" jsonschema:"Allowed Extended Key Usages"`
RequiredSANPatterns []string `json:"required_san_patterns,omitempty" jsonschema:"Required SAN patterns"`
AllowShortLived *bool `json:"allow_short_lived,omitempty" jsonschema:"Allow short-lived certificates"`
Enabled *bool `json:"enabled,omitempty" jsonschema:"Whether the profile is enabled"`
}
// ── Teams ───────────────────────────────────────────────────────────
type CreateTeamInput struct {
ID string `json:"id,omitempty" jsonschema:"Team ID"`
Name string `json:"name" jsonschema:"Team name"`
Description string `json:"description,omitempty" jsonschema:"Team description"`
}
type UpdateTeamInput struct {
ID string `json:"id" jsonschema:"Team ID to update"`
Name string `json:"name,omitempty" jsonschema:"Team name"`
Description string `json:"description,omitempty" jsonschema:"Team description"`
}
// ── Owners ──────────────────────────────────────────────────────────
type CreateOwnerInput struct {
ID string `json:"id,omitempty" jsonschema:"Owner ID"`
Name string `json:"name" jsonschema:"Owner display name"`
Email string `json:"email,omitempty" jsonschema:"Owner email for notifications"`
TeamID string `json:"team_id,omitempty" jsonschema:"Team ID the owner belongs to"`
}
type UpdateOwnerInput struct {
ID string `json:"id" jsonschema:"Owner ID to update"`
Name string `json:"name,omitempty" jsonschema:"Owner display name"`
Email string `json:"email,omitempty" jsonschema:"Owner email"`
TeamID string `json:"team_id,omitempty" jsonschema:"Team ID"`
}
// ── Agent Groups ────────────────────────────────────────────────────
type CreateAgentGroupInput struct {
ID string `json:"id,omitempty" jsonschema:"Agent group ID"`
Name string `json:"name" jsonschema:"Group display name"`
Description string `json:"description,omitempty" jsonschema:"Group description"`
MatchOS string `json:"match_os,omitempty" jsonschema:"Match agents by OS (e.g. linux, darwin, windows)"`
MatchArchitecture string `json:"match_architecture,omitempty" jsonschema:"Match agents by architecture (e.g. amd64, arm64)"`
MatchIPCIDR string `json:"match_ip_cidr,omitempty" jsonschema:"Match agents by IP CIDR range"`
MatchVersion string `json:"match_version,omitempty" jsonschema:"Match agents by version"`
Enabled bool `json:"enabled,omitempty" jsonschema:"Whether the group is enabled"`
}
type UpdateAgentGroupInput struct {
ID string `json:"id" jsonschema:"Agent group ID to update"`
Name string `json:"name,omitempty" jsonschema:"Group display name"`
Description string `json:"description,omitempty" jsonschema:"Group description"`
MatchOS string `json:"match_os,omitempty" jsonschema:"Match agents by OS"`
MatchArchitecture string `json:"match_architecture,omitempty" jsonschema:"Match agents by architecture"`
MatchIPCIDR string `json:"match_ip_cidr,omitempty" jsonschema:"Match agents by IP CIDR range"`
MatchVersion string `json:"match_version,omitempty" jsonschema:"Match agents by version"`
Enabled *bool `json:"enabled,omitempty" jsonschema:"Whether the group is enabled"`
}
// ── Stats ───────────────────────────────────────────────────────────
type TimelineInput struct {
Days int `json:"days,omitempty" jsonschema:"Number of days to look back (default 30, max 365)"`
}
// ── Empty ───────────────────────────────────────────────────────────
type EmptyInput struct{}
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