Check BGP announce set address lot

[rcgoodfellow]

Creating a BGP announcement requires specifying an address lot for the prefix being advertised. But we are not currently checking the address lot reference.

omicron/nexus/db-queries/src/db/datastore/bgp.rs

Lines 241 to 280 in 561f545

	pub async fn bgp_create_announce_set(
	&self,
	opctx: &OpContext,
	announce: &params::BgpAnnounceSetCreate,
	) -> CreateResult<(BgpAnnounceSet, Vec<BgpAnnouncement>)> {
	use db::schema::bgp_announce_set::dsl as announce_set_dsl;
	use db::schema::bgp_announcement::dsl as bgp_announcement_dsl;
	let pool = self.pool_connection_authorized(opctx).await?;
	pool.transaction_async(|conn| async move {
	let bas: BgpAnnounceSet = announce.clone().into();
	let db_as: BgpAnnounceSet =
	diesel::insert_into(announce_set_dsl::bgp_announce_set)
	.values(bas.clone())
	.returning(BgpAnnounceSet::as_returning())
	.get_result_async::<BgpAnnounceSet>(&conn)
	.await?;
	let mut db_annoucements = Vec::new();
	for a in &announce.announcement {
	let an = BgpAnnouncement {
	announce_set_id: db_as.id(),
	address_lot_block_id: bas.identity.id,
	network: a.network.into(),
	};
	let an =
	diesel::insert_into(bgp_announcement_dsl::bgp_announcement)
	.values(an.clone())
	.returning(BgpAnnouncement::as_returning())
	.get_result_async::<BgpAnnouncement>(&conn)
	.await?;
	db_annoucements.push(an);
	}
	Ok((db_as, db_annoucements))
	})
	.await
	.map_err(|e| public_error_from_diesel(e, ErrorHandler::Server))
	}