Merge lp:~abrody/launchpad/https-mirror-dbchange into lp:launchpad

[Andy Brody]

Add column DistributionMirror.https_base_url, which is needed to add support for listing HTTPS archive and release mirrors.

[Colin Watson (cjwatson)]

This needs to be re-prepared as a branch from lp:launchpad/db-devel, and proposed as a merge into lp:launchpad/db-devel. We can't land database patches against devel directly, except in a few specialised circumstances. Furthermore, the code branch (lp:~abrody/launchpad/https-mirror) may not declare the DB branch as a prerequisite; it must instead be a separate branch that doesn't itself contain the DB changes. This is all because database and code updates are deployed from separate branches; see https://dev.launchpad.net/PolicyAndProcess/DatabaseSchemaChangesProcess.

review: Needs Resubmitting

[lp:~abrody/launchpad/https-mirror-dbchange]

14017. By Launchpad PQM Bot on 2019-02-07

[rs=buildbot-poller] automatic merge from stable. Revisions: 18873,
 18874 included.

14018. By Launchpad PQM Bot on 2019-02-07

[rs=buildbot-poller] automatic merge from stable. Revisions: 18875
 included.

14019. By Launchpad PQM Bot on 2019-02-07

[rs=buildbot-poller] automatic merge from stable. Revisions: 18876
 included.

14020. By Andy Brody on 2019-02-08

Add DistributionMirror.https_base_url column.

Unmerged revisions

14020. By Andy Brody on 2019-02-08

Add DistributionMirror.https_base_url column.

=== added file 'database/schema/patch-2209-99-0.sql'
--- database/schema/patch-2209-99-0.sql	1970-01-01 00:00:00 +0000
+++ database/schema/patch-2209-99-0.sql	2019-02-02 21:36:44 +0000
@@ -0,0 +1,15 @@
+-- Copyright 2019 Canonical Ltd.  This software is licensed under the
+-- GNU Affero General Public License version 3 (see the file LICENSE).
+
+SET client_min_messages=ERROR;
+
+ALTER TABLE DistributionMirror
+    ADD COLUMN https_base_url text,
+    ADD CONSTRAINT distributionmirror_https_base_url_key UNIQUE (https_base_url),
+    ADD CONSTRAINT valid_https_base_url CHECK (valid_absolute_url(https_base_url)),
+    DROP CONSTRAINT one_or_more_urls,
+    ADD CONSTRAINT one_or_more_urls CHECK (http_base_url IS NOT NULL OR https_base_url IS NOT NULL OR ftp_base_url IS NOT NULL OR rsync_base_url IS NOT NULL);
+
+COMMENT ON COLUMN DistributionMirror.https_base_url IS 'The HTTPS URL used to access the mirror.';
+
+INSERT INTO LaunchpadDatabaseRevision VALUES (2209, 99, 0);