routewatch/internal/database/schema.sql
sneak 54bb0ba1cb Simplify peerings table to store AS numbers directly
- Rename asn_peerings table to peerings
- Change columns from from_asn_id/to_asn_id to as_a/as_b (integers)
- Remove foreign key constraints to asns table
- Update RecordPeering to use AS numbers directly
- Add validation in RecordPeering to ensure:
  - Both AS numbers are > 0
  - AS numbers are different
  - as_a is always lower than as_b (normalized)
- Update PeeringHandler to no longer need ASN cache
- Simplify the code by removing unnecessary ASN lookups
2025-07-28 02:36:15 +02:00

89 lines
3.0 KiB
SQL

CREATE TABLE IF NOT EXISTS asns (
id TEXT PRIMARY KEY,
number INTEGER UNIQUE NOT NULL,
handle TEXT,
description TEXT,
first_seen DATETIME NOT NULL,
last_seen DATETIME NOT NULL
);
CREATE TABLE IF NOT EXISTS prefixes (
id TEXT PRIMARY KEY,
prefix TEXT UNIQUE NOT NULL,
ip_version INTEGER NOT NULL, -- 4 for IPv4, 6 for IPv6
first_seen DATETIME NOT NULL,
last_seen DATETIME NOT NULL
);
CREATE TABLE IF NOT EXISTS announcements (
id TEXT PRIMARY KEY,
prefix_id TEXT NOT NULL,
asn_id TEXT NOT NULL,
origin_asn_id TEXT NOT NULL,
path TEXT NOT NULL,
next_hop TEXT,
timestamp DATETIME NOT NULL,
is_withdrawal BOOLEAN NOT NULL DEFAULT 0,
FOREIGN KEY (prefix_id) REFERENCES prefixes(id),
FOREIGN KEY (asn_id) REFERENCES asns(id),
FOREIGN KEY (origin_asn_id) REFERENCES asns(id)
);
CREATE TABLE IF NOT EXISTS peerings (
id TEXT PRIMARY KEY,
as_a INTEGER NOT NULL,
as_b INTEGER NOT NULL,
first_seen DATETIME NOT NULL,
last_seen DATETIME NOT NULL,
UNIQUE(as_a, as_b)
);
-- BGP peers that send us messages
CREATE TABLE IF NOT EXISTS bgp_peers (
id TEXT PRIMARY KEY,
peer_ip TEXT UNIQUE NOT NULL,
peer_asn INTEGER NOT NULL,
first_seen DATETIME NOT NULL,
last_seen DATETIME NOT NULL,
last_message_type TEXT
);
CREATE INDEX IF NOT EXISTS idx_prefixes_ip_version ON prefixes(ip_version);
CREATE INDEX IF NOT EXISTS idx_prefixes_version_prefix ON prefixes(ip_version, prefix);
CREATE INDEX IF NOT EXISTS idx_announcements_timestamp ON announcements(timestamp);
CREATE INDEX IF NOT EXISTS idx_announcements_prefix_id ON announcements(prefix_id);
CREATE INDEX IF NOT EXISTS idx_announcements_asn_id ON announcements(asn_id);
CREATE INDEX IF NOT EXISTS idx_peerings_as_a ON peerings(as_a);
CREATE INDEX IF NOT EXISTS idx_peerings_as_b ON peerings(as_b);
CREATE INDEX IF NOT EXISTS idx_peerings_lookup ON peerings(as_a, as_b);
-- Additional indexes for prefixes table
CREATE INDEX IF NOT EXISTS idx_prefixes_prefix ON prefixes(prefix);
-- Indexes for asns table
CREATE INDEX IF NOT EXISTS idx_asns_number ON asns(number);
-- Indexes for bgp_peers table
CREATE INDEX IF NOT EXISTS idx_bgp_peers_asn ON bgp_peers(peer_asn);
CREATE INDEX IF NOT EXISTS idx_bgp_peers_last_seen ON bgp_peers(last_seen);
CREATE INDEX IF NOT EXISTS idx_bgp_peers_ip ON bgp_peers(peer_ip);
-- Live routing table maintained by PrefixHandler
CREATE TABLE IF NOT EXISTS live_routes (
id TEXT PRIMARY KEY,
prefix TEXT NOT NULL,
mask_length INTEGER NOT NULL, -- CIDR mask length (0-32 for IPv4, 0-128 for IPv6)
ip_version INTEGER NOT NULL, -- 4 or 6
origin_asn INTEGER NOT NULL,
peer_ip TEXT NOT NULL,
as_path TEXT NOT NULL, -- JSON array
next_hop TEXT NOT NULL,
last_updated DATETIME NOT NULL,
UNIQUE(prefix, origin_asn, peer_ip)
);
-- Indexes for live_routes table
CREATE INDEX IF NOT EXISTS idx_live_routes_prefix ON live_routes(prefix);
CREATE INDEX IF NOT EXISTS idx_live_routes_mask_length ON live_routes(mask_length);
CREATE INDEX IF NOT EXISTS idx_live_routes_ip_version_mask ON live_routes(ip_version, mask_length);
CREATE INDEX IF NOT EXISTS idx_live_routes_last_updated ON live_routes(last_updated);