--
-- Copyright (C) 2006 The Trustees of Princeton University
--
--- $Id: planetlab4.sql,v 1.28 2006/11/08 17:34:07 thierry Exp $
+-- $Id: planetlab4.sql,v 1.32 2006/11/13 16:23:11 thierry Exp $
--
--------------------------------------------------------------------------------
hostname text NOT NULL, -- Node hostname
site_id integer REFERENCES sites, -- At which site (clause NOT NULL removed for foreign_nodes)
boot_state text REFERENCES boot_states NOT NULL DEFAULT 'inst', -- Node boot state
- cached boolean NOT NULL DEFAULT false, -- is this entry cached from a peer ?
- peer_id integer REFERENCES peers, -- if cached, then from what peer
deleted boolean NOT NULL DEFAULT false, -- Is deleted
-- Optional
FROM nodes
GROUP BY site_id;
+-- Nodes - peers relationship
+CREATE TABLE peer_node (
+ peer_id integer REFERENCES peers NOT NULL, -- Peer identifier
+ node_id integer REFERENCES nodes NOT NULL, -- (Local) node identifier
+ foreign_id integer NOT NULL, -- (Peer) node identifier
+ PRIMARY KEY (peer_id, node_id),
+ UNIQUE (node_id) -- Nodes can only be at one peer
+) WITH OIDS;
+CREATE INDEX peer_node_peer_id_idx ON peer_node (peer_id);
+
-- Nodes at each peer
CREATE VIEW peer_nodes AS
SELECT peer_id,
-array_to_string(array_accum(node_id), ',') AS node_ids
-FROM nodes
+array_accum(node_id) AS node_ids
+FROM peer_node
GROUP BY peer_id;
-CREATE VIEW view_peers AS
-SELECT
-peers.*,
-peer_nodes.node_ids
-FROM peers
-LEFT JOIN peer_nodes USING (peer_id);
-
--------------------------------------------------------------------------------
-- Node groups
--------------------------------------------------------------------------------
FROM slices
GROUP BY site_id;
+-- Slices - peer relationship
+CREATE TABLE peer_slice (
+ peer_id integer REFERENCES peers NOT NULL, -- peer primary key
+ slice_id integer REFERENCES slices NOT NULL, -- node primary key
+ foreign_id integer NOT NULL,
+ PRIMARY KEY (peer_id, slice_id)
+) WITH OIDS;
+CREATE INDEX peer_slice_peer_id_idx ON peer_slice (peer_id);
+CREATE INDEX peer_slice_slice_id_idx ON peer_slice (node_id);
+
+CREATE VIEW peer_slices AS
+SELECT peer_id,
+array_accum(slice_id) AS slice_ids
+FROM peer_slice
+GROUP BY peer_id;
+
-- Slice membership
CREATE TABLE slice_person (
slice_id integer REFERENCES slices NOT NULL, -- Slice identifier
COALESCE(node_conf_files.conf_file_ids, '{}') AS conf_file_ids,
node_session.session_id AS session
FROM nodes
+LEFT JOIN peer_node USING (node_id)
LEFT JOIN node_nodenetworks USING (node_id)
LEFT JOIN node_nodegroups USING (node_id)
LEFT JOIN node_slices USING (node_id)
LEFT JOIN node_pcus USING (node_id)
LEFT JOIN node_conf_files USING (node_id)
LEFT JOIN node_session USING (node_id)
-WHERE nodes.cached=False;
+WHERE peer_node.peer_id IS NULL;
+
+CREATE VIEW view_peers AS
+SELECT
+peers.*,
+peer_nodes.node_ids,
+peer_slices.slice_ids
+FROM peers
+LEFT JOIN peer_nodes USING (peer_id)
+LEFT JOIN peer_slices USING (peer_id);
CREATE VIEW view_foreign_nodes AS
SELECT
nodes.node_id,
nodes.hostname,
-nodes.peer_id,
+peer_node.peer_id,
nodes.boot_state,
nodes.model,
nodes.version,
CAST(date_part('epoch', nodes.date_created) AS bigint) AS date_created,
CAST(date_part('epoch', nodes.last_updated) AS bigint) AS last_updated,
-node_slices.slice_ids,
+COALESCE(node_slices.slice_ids, '{}') AS slice_ids,
nodes.deleted
FROM nodes
+LEFT JOIN peer_node USING (node_id)
LEFT JOIN node_slices USING (node_id)
-WHERE nodes.cached=True AND nodes.deleted=False;
+WHERE peer_node.peer_id IS NOT NULL;
CREATE VIEW view_nodegroups AS
SELECT
COALESCE(slice_persons.person_ids, '{}') AS person_ids,
COALESCE(slice_attributes.slice_attribute_ids, '{}') AS slice_attribute_ids
FROM slices
+LEFT JOIN peer_slice USING (slice_id)
LEFT JOIN slice_nodes USING (slice_id)
LEFT JOIN slice_persons USING (slice_id)
-LEFT JOIN slice_attributes USING (slice_id);
+LEFT JOIN slice_attributes USING (slice_id)
+WHERE peer_slice.peer_id IS NULL;
+
+CREATE VIEW view_foreign_slices AS
+SELECT
+slices.slice_id,
+slices.name,
+peer_slice.peer_id,
+slices.instantiation,
+slices.url,
+slices.description,
+slices.max_nodes,
+slices.is_deleted,
+CAST(date_part('epoch', slices.created) AS bigint) AS created,
+CAST(date_part('epoch', slices.expires) AS bigint) AS expires
+FROM slices
+LEFT JOIN peer_slice USING (slice_id)
+WHERE peer_slice.peer_id IS NOT NULL;
+--
CREATE VIEW view_slice_attributes AS
SELECT
slice_attribute.slice_attribute_id,
VALUES
('pl', 'PlanetLab Central', 'PLC', 100);
--- federation stuff starting here
-
---CREATE TABLE foreign_nodes (
--- foreign_node_id serial PRIMARY KEY, -- identifier
--- hostname text NOT NULL,
--- boot_state text NOT NULL,
--- peer_id integer REFERENCES peers NOT NULL,
---
--- deleted boolean NOT NULL DEFAULT false
---) WITH OIDS;
-
---CREATE VIEW peer_foreign_nodes AS
---SELECT peer_id,
---array_to_string(array_accum(foreign_node_id), ',') AS foreign_node_ids
---FROM foreign_nodes
---GROUP BY peer_id;