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git.stella-ops.org/devops/compose/postgres-init/07-attestor-watchlist-schema.sql

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SQL

-- -----------------------------------------------------------------------------
-- Migration: 20260129_001_create_identity_watchlist
-- Sprint: SPRINT_0129_001_ATTESTOR_identity_watchlist_alerting
-- Task: WATCH-004
-- Description: Creates identity watchlist and alert deduplication tables.
-- -----------------------------------------------------------------------------
-- Watchlist entries table
CREATE TABLE IF NOT EXISTS attestor.identity_watchlist (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
tenant_id TEXT NOT NULL,
scope TEXT NOT NULL DEFAULT 'Tenant',
display_name TEXT NOT NULL,
description TEXT,
-- Identity matching fields (at least one required)
issuer TEXT,
subject_alternative_name TEXT,
key_id TEXT,
match_mode TEXT NOT NULL DEFAULT 'Exact',
-- Alert configuration
severity TEXT NOT NULL DEFAULT 'Warning',
enabled BOOLEAN NOT NULL DEFAULT TRUE,
channel_overrides JSONB,
suppress_duplicates_minutes INT NOT NULL DEFAULT 60,
-- Metadata
tags TEXT[],
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
created_by TEXT NOT NULL,
updated_by TEXT NOT NULL,
-- Constraints
CONSTRAINT chk_at_least_one_identity CHECK (
issuer IS NOT NULL OR
subject_alternative_name IS NOT NULL OR
key_id IS NOT NULL
),
CONSTRAINT chk_scope_valid CHECK (scope IN ('Tenant', 'Global', 'System')),
CONSTRAINT chk_match_mode_valid CHECK (match_mode IN ('Exact', 'Prefix', 'Glob', 'Regex')),
CONSTRAINT chk_severity_valid CHECK (severity IN ('Info', 'Warning', 'Critical')),
CONSTRAINT chk_suppress_duplicates_positive CHECK (suppress_duplicates_minutes >= 1)
);
-- Performance indexes for active entry lookup
CREATE INDEX IF NOT EXISTS idx_watchlist_tenant_enabled
ON attestor.identity_watchlist(tenant_id)
WHERE enabled = TRUE;
CREATE INDEX IF NOT EXISTS idx_watchlist_scope_enabled
ON attestor.identity_watchlist(scope)
WHERE enabled = TRUE;
CREATE INDEX IF NOT EXISTS idx_watchlist_issuer
ON attestor.identity_watchlist(issuer)
WHERE enabled = TRUE AND issuer IS NOT NULL;
CREATE INDEX IF NOT EXISTS idx_watchlist_san
ON attestor.identity_watchlist(subject_alternative_name)
WHERE enabled = TRUE AND subject_alternative_name IS NOT NULL;
CREATE INDEX IF NOT EXISTS idx_watchlist_keyid
ON attestor.identity_watchlist(key_id)
WHERE enabled = TRUE AND key_id IS NOT NULL;
-- Alert deduplication table
CREATE TABLE IF NOT EXISTS attestor.identity_alert_dedup (
watchlist_id UUID NOT NULL,
identity_hash TEXT NOT NULL,
last_alert_at TIMESTAMPTZ NOT NULL,
alert_count INT NOT NULL DEFAULT 0,
PRIMARY KEY (watchlist_id, identity_hash)
);
-- Index for cleanup
CREATE INDEX IF NOT EXISTS idx_alert_dedup_last_alert
ON attestor.identity_alert_dedup(last_alert_at);
-- Comment documentation
COMMENT ON TABLE attestor.identity_watchlist IS
'Watchlist entries for monitoring signing identity appearances in transparency logs.';
COMMENT ON COLUMN attestor.identity_watchlist.scope IS
'Visibility scope: Tenant (owning tenant only), Global (all tenants), System (read-only).';
COMMENT ON COLUMN attestor.identity_watchlist.match_mode IS
'Pattern matching mode: Exact, Prefix, Glob, or Regex.';
COMMENT ON COLUMN attestor.identity_watchlist.suppress_duplicates_minutes IS
'Deduplication window in minutes. Alerts for same identity within window are suppressed.';
COMMENT ON TABLE attestor.identity_alert_dedup IS
'Tracks alert deduplication state to prevent alert storms.';