Juju: Difference between revisions

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[[wp:Juju (software)|Juju]] (formerly Ensemble) is an open source service orchestration management tool developed by Canonical Ltd., the company behind [[Ubuntu]]. Juju allows software to be quickly deployed, integrated and scaled on a wide choice of cloud services or servers.

Juju can deploy to LXC (for local environments), OpenStack (for HP Cloud), Windows Azure, Joyent or Amazon EC2

Juju can deploy to LXC <ref>See also: [[Docker]]</ref> (for local environments), OpenStack (for HP Cloud), Windows Azure, Joyent or Amazon EC2

Kapil Thangavelu wrote [https://github.com/kapilt/juju-digitalocean JuDo] - A juju provider for ~~digital ocean~~ using a client side plugin and manual provisioning.

Kapil Thangavelu wrote [https://github.com/kapilt/juju-digitalocean JuDo] - A juju provider for [[Digital Ocean]] using a client side plugin and manual provisioning.

== Links ==

Line 36:

</source>

You'll end up with an address like this

You'll end up with an address like this <ref>

When setting up a service on EC2, make sure to obtain and assign an "elastic IP" so that the instance has a static IP. Otherwise every shutdown will result in a different public IP address being assigned to the instance.

</ref>

http://52.5.215.128/mediawiki/index.php/Special:Version

with

* MediaWiki <code>1.19.14+dfsg-1</code> installed with no extensions.

* Ubuntu 14.04.2 LTS (Trusty Tahr)

* Apache 2.4.7 (Ubuntu) (with MaxRequestWorkers at 2048 which would require 32 servers while servers is set at 16 = sloppy)

* MediaWiki <code>1.19.14+dfsg-1</code> installed with no extensions, and no git

* PHP 5.5.9-1ubuntu4.7 (apache2handler)

* MySQL 5.5.41-0ubuntu0.14.04.1-log

~~Make sure to obtain and assign an "elastic IP" so that the instance has a static IP~~

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Line 161:

</pre>

Setting up a MediaWiki instance with Juju, using the https://jujucharms.com/mediawiki/trusty/3 charm was completely unacceptable. The charm doesn't even setup a web server environment at all so it doesn't work "out of the box". When I specified an Apache2 charm https://jujucharms.com/apache2/trusty/13/ the configuration has a miscompiled PHP and also conflicting configurations (ServerLimit, MaxRequestWorkers) that causes errors in the log.

<pre>

root@ip-172-31-57-182:~# /usr/sbin/apache2 -S

[Thu Apr 09 13:42:06.748287 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined

[Thu Apr 09 13:42:06.748800 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_PID_FILE} is not defined

[Thu Apr 09 13:42:06.749138 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_RUN_USER} is not defined

[Thu Apr 09 13:42:06.749457 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined

[Thu Apr 09 13:42:06.749808 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_LOG_DIR} is not defined

[Thu Apr 09 13:42:06.786167 2015] [:crit] [pid 2247:tid 139742374446976] Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP.

AH00013: Pre-configuration failed

root@ip-172-31-57-182:~# /usr/sbin/apache2 -M

[Thu Apr 09 13:42:19.687521 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined

[Thu Apr 09 13:42:19.688010 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_PID_FILE} is not defined

[Thu Apr 09 13:42:19.688345 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_RUN_USER} is not defined

[Thu Apr 09 13:42:19.688604 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined

[Thu Apr 09 13:42:19.688886 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_LOG_DIR} is not defined

[Thu Apr 09 13:42:19.700934 2015] [:crit] [pid 2248:tid 140047498663808] Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP.

AH00013: Pre-configuration failed

</pre>

[[Category:DevOps]]

[[Category:Service Orchestration]]

@@ Line 1: / Line 1: @@
 [[wp:Juju (software)|Juju]] (formerly Ensemble) is an open source service orchestration management tool developed by Canonical Ltd., the company behind [[Ubuntu]]. Juju allows software to be quickly deployed, integrated and scaled on a wide choice of cloud services or servers.
-Juju can deploy to LXC (for local environments), OpenStack (for HP Cloud), Windows Azure, Joyent or Amazon EC2
+Juju can deploy to LXC <ref>See also: [[Docker]]</ref> (for local environments), OpenStack (for HP Cloud), Windows Azure, Joyent or Amazon EC2
-Kapil Thangavelu wrote [https://github.com/kapilt/juju-digitalocean JuDo] - A juju provider for digital ocean using a client side plugin and manual provisioning.
+Kapil Thangavelu wrote [https://github.com/kapilt/juju-digitalocean JuDo] - A juju provider for [[Digital Ocean]] using a client side plugin and manual provisioning.
 == Links ==
@@ Line 36: / Line 36: @@
 </source>
-You'll end up with an address like this
+You'll end up with an address like this <ref>
+When setting up a service on EC2, make sure to obtain and assign an "elastic IP" so that the instance has a static IP.  Otherwise every shutdown will result in a different public IP address being assigned to the instance.
+</ref>
 http://52.5.215.128/mediawiki/index.php/Special:Version
 with
-* MediaWiki <code>1.19.14+dfsg-1</code> installed with no extensions.
+* Ubuntu 14.04.2 LTS (Trusty Tahr)
+* Apache 2.4.7 (Ubuntu) (with MaxRequestWorkers at 2048 which would require 32 servers while servers is set at 16 = sloppy)
+* MediaWiki <code>1.19.14+dfsg-1</code> installed with no extensions, and no git
 * PHP 5.5.9-1ubuntu4.7 (apache2handler)
 * MySQL 5.5.41-0ubuntu0.14.04.1-log
-Make sure to obtain and assign an "elastic IP" so that the instance has a static IP
@@ Line 158: / Line 161: @@
 </pre>
+Setting up a MediaWiki instance with Juju, using the https://jujucharms.com/mediawiki/trusty/3 charm was completely unacceptable.  The charm doesn't even setup a web server environment at all so it doesn't work "out of the box".  When I specified an Apache2 charm https://jujucharms.com/apache2/trusty/13/ the configuration has a miscompiled PHP and also conflicting configurations (ServerLimit, MaxRequestWorkers) that causes errors in the log.
+<pre>
+root@ip-172-31-57-182:~# /usr/sbin/apache2 -S
+[Thu Apr 09 13:42:06.748287 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined
+[Thu Apr 09 13:42:06.748800 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_PID_FILE} is not defined
+[Thu Apr 09 13:42:06.749138 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_RUN_USER} is not defined
+[Thu Apr 09 13:42:06.749457 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined
+[Thu Apr 09 13:42:06.749808 2015] [core:warn] [pid 2247] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
+[Thu Apr 09 13:42:06.786167 2015] [:crit] [pid 2247:tid 139742374446976] Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe.  You need to recompile PHP.
+AH00013: Pre-configuration failed
+root@ip-172-31-57-182:~# /usr/sbin/apache2 -M
+[Thu Apr 09 13:42:19.687521 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined
+[Thu Apr 09 13:42:19.688010 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_PID_FILE} is not defined
+[Thu Apr 09 13:42:19.688345 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_RUN_USER} is not defined
+[Thu Apr 09 13:42:19.688604 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined
+[Thu Apr 09 13:42:19.688886 2015] [core:warn] [pid 2248] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
+[Thu Apr 09 13:42:19.700934 2015] [:crit] [pid 2248:tid 140047498663808] Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe.  You need to recompile PHP.
+AH00013: Pre-configuration failed
+</pre>
+{{References}}
 [[Category:DevOps]]
 [[Category:Service Orchestration]]