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;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Affero General Public License
;;; as published by the Free Software Foundation, either version 3 of
;;; the License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (guix-data-service model build-status)
#:use-module (ice-9 match)
#:use-module (squee)
#:use-module (guix-data-service database)
#:use-module (guix-data-service model utils)
#:export (build-statuses
build-status-strings
select-build-statuses-by-build-id
insert-build-status
insert-build-statuses))
(define build-statuses
'((-2 . "scheduled")
(-1 . "started")
(0 . "succeeded")
(1 . "failed")
(2 . "failed-dependency")
(3 . "failed-other")
(4 . "canceled")))
(define build-status-strings
(map cdr build-statuses))
(define (select-build-statuses-by-build-id conn
build-id
build-server-id)
(define query
"
SELECT timestamp, status
FROM build_status
INNER JOIN builds ON builds.id = build_status.build_id
WHERE builds.build_server_id = $1 AND
builds.id = $2")
(exec-query conn query (list (number->string build-server-id)
(number->string build-id))))
(define (insert-build-status conn build-id timestamp status)
(insert-build-statuses
conn
(list build-id)
`((,timestamp ,status))))
(define* (insert-build-statuses conn build-ids data
#:key (transaction? #t))
(define query
(string-append
"
INSERT INTO build_status (build_id, timestamp, status)
VALUES "
(string-join
(map (match-lambda*
(((timestamp status) build-id)
(unless (member status build-status-strings)
(throw
'invalid-status
status))
(string-append
"("
(number->string build-id)
","
(if timestamp
(string-append "to_timestamp("
(number->string timestamp)
")")
"NULL")
","
(quote-string status)
")")))
data
build-ids)
", ")
"
ON CONFLICT DO NOTHING"))
(define (delete-old-latest-status-entries conn)
(define query
(string-append
"
DELETE FROM latest_build_status
WHERE build_id IN ("
(string-join
(map number->string build-ids)
",")
")"))
(exec-query conn query))
(define (insert-new-latest-status-entries conn)
(define query
(string-append
"
INSERT INTO latest_build_status
SELECT DISTINCT build_id,
first_value(timestamp) OVER rows_for_build AS timestamp,
first_value(status) OVER rows_for_build AS status
FROM build_status
WHERE build_id IN ("
(string-join
(map number->string build-ids)
",")
")
WINDOW rows_for_build AS (
PARTITION BY build_id
ORDER BY
CASE WHEN status = 'scheduled' THEN -2
WHEN status = 'started' THEN -1
ELSE 0
END DESC,
timestamp DESC
RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
)"))
(exec-query conn query))
(define (operations conn)
(exec-query conn query '())
(delete-old-latest-status-entries conn)
(insert-new-latest-status-entries conn))
(if transaction?
(with-postgresql-transaction conn
operations)
(operations conn)))
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