Moodlemoot dublin 2012 multitenancy

Alex Büchner @mcbuchnerMulti-Tenancy Supportin Moodle 2.x

Moodle 1Moodle Moodle … 2 CentralMoodle Moodle 5 3 Moodle 4

Multi-tenancy in Moodle 2.3 Tenant

docs.moodle.org/dev/Multitenant_support MDL-28946 August 2011 “It should be possible to implement this in 2.2dev…” January 2012 “This is obviously much much longer and more complex than originally envisaged” March 2012 “Multi-tenancy has been dropped in 2.3. It turned out to be more trouble than it was worth…”

Central Instance Settings User Management Themes ModulesCourse Management Reports Code Local Instance(s)

User & Course Management How is user information stored? LDAP / MS-AD / database / external system Are user names unique? Will courses be managed centrally, locally or both? Who is allowed to “see” what?

User & Role Web Services

Settings Global vs. local admin settings  “Freeze” values in in config.php  E.g. $CFG->loginhttps=false; Flavours

Modules & Code Are all instances code-identical? Changes to the central core code? Changes to the local core code? Do all instances require a separate URL?

Centralised code Web server configuration  Separate vhost for each Moodle instance  DocumentRoot identical for all entries Moodle setup (config.php) <?php // Moodle configuration file $moodle_host = $_SERVER[HTTP_HOST]; require_once(„/etc/moodles/‟.$moodle_host.‟_config.php‟); Individual config.php‟s in /etc/moodles  $CFG->dirroot same as DocumentRoot

Distributed code Central Localgit fetch/usr/bin/php admin/cli/maintenance.php --enablegit merge origin/cvshead/usr/bin/php admin/cli/upgrade.php --non-interactive/usr/bin/php admin/cli/maintenance.php --disable

Other aspects Themes (central / local) Reporting (central/ local) Backups Cohorts? Import of existing instances? Support!Resourceshttp://docs.moodle.org/dev/Multitenant_supporthttp://tracker.moodle.org/browse/MDL-28946http://docs.moodle.org/dev/Web_services_Roadmaphttp://docs.moodle.org/dev/Moodle_flavourshttp://docs.moodle.org/22/en/Git_for_Administratorshttp://docs.moodle.org/22/en/Cohorts

ChecklistCriteria Options ImpactUser Management central / local External Management (LDAP / Web Services)Usernames unique yes / no Separate instances requiredVisibility open / closed Separate instances requiredCourse management central / local Separate system requiredAdmin settings central / local / hybrid ControlModules 1:n / n:n GITCode modifications central / local / no GITURL central / sub-domain / separate Web server configurationThemes For each tenant / one-for-all Separate instances requiredReporting local / across sites Separate report generator… … …

Alex BüchnerTwitter: @mcbuchnerThank youwww.synergy-learning.com

Moodlemoot dublin 2012 multitenancy

by Alex Büchner

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