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README.rst

BMO: bugzilla.mozilla.org

BMO is Mozilla's highly customized version of Bugzilla.

https://circleci.com/gh/mozilla-bteam/bmo/tree/master.svg?style=svg

If you want to contribute to BMO, you can fork this repo and get a local copy of BMO running in a few minutes using Vagrant or Docker.

Using Vagrant (For Development)

You will need to install the following software:

  • Vagrant 1.9.1 or later

Doing this on OSX can be accomplished with homebrew:

brew cask install vagrant

For Ubuntu 16.04, download the vagrant .dpkg directly from https://vagrantup.com. The one that ships with Ubuntu is too old.

Setup Vagrant VMs

From your BMO checkout run the following command:

vagrant up

Vagrant might ask to install some missing plugins it detected, you should install these. Depending on the speed of your computer and your Internet connection, this entire process will take from a few minutes to much longer.

If this fails, please file a bug using this link.

Otherwise, you should have a working BMO developer machine!

To test it, you'll want to add an entry to /etc/hosts for bmo-web.vm pointing to 192.168.3.43.

Then you must start the development webserver with vagrant ssh web -c 'start_morbo'.

After that, you should be able to visit http://bmo-web.vm/ from your browser. You can login as vagrant@bmo-web.vm with the password "vagrant01!" (without quotes).

The development server (morbo) can also serve the site via HTTPS.

Run vagrant ssh web, that should put you in the /vagrant directory. While there run openssl req -newkey rsa:2048 -sha256 -nodes -keyout bmo-web.vm-key.pem -x509 -days 365 -out bmo-web.vm.pem. Restart morbo and you should now be able to visit https://bmo-web.vm.

Making Changes and Seeing them

After editing files in the bmo directory, you will need to run

vagrant rsync web

to see the changes applied to your vagrant VM. If the above command fails or db is changed, do a full provision:

vagrant rsync && vagrant provision

If you are using Visual Studio Code, these commands will come in handy as the editor's tasks that can be found under the Terminal menu. The update command can be executed by simply hitting Ctrl+Shift+B on Windows/Linux or Command+Shift+B on macOS. An extension bundle for VS Code is also available.

Testing Auth delegation

For testing auth-delegation there is included an scripts/auth-test-app script that runs a webserver and implements the auth delegation protocol.

Provided you have Mojolicious installed:

Then just browse to localhost:3000 to test creating API keys.

Technical Details

This Vagrant environment is a very complete but scaled-down version of production BMO. It uses roughly the same RPMs (from CentOS 6, versus RHEL 6 in production) and the same Perl dependencies (via https://github.com/mozilla-bteam/carton-bundles).

It includes a couple example products, some fake users, and some of BMO's real groups. Email is disabled for all users; however, it is safe to enable email as the box is configured to send all email to the 'vagrant' user on the web vm.

Most of the cron jobs and the jobqueue daemon are running. It is also configured to use memcached.

The push connector is not currently configured, nor is the Pulse publisher.

Perl Shell (re.pl, repl)

Installed on the vagrant vm is also a program called re.pl.

re.pl an interactive Perl shell (sometimes called a REPL (short for Read-Eval-Print-Loop)). It loads Bugzilla.pm and you can call Bugzilla internal API methods from it, an example session is reproduced below:

re.pl
$ my $product = Bugzilla::Product->new({name => "Firefox"});
Took 0.0262260437011719 seconds.

$Bugzilla_Product1 = Bugzilla::Product=HASH(0x7e3c950);

$ $product->name
Took 0.000483036041259766 seconds.

Firefox

It supports tab completion for file names, method names and so on. For more information see Devel::REPL.

You can use the 'p' command (provided by Data::Printer) to inspect variables as well.

$ p @INC
[
    [0]  ".",
    [1]  "lib",
    [2]  "local/lib/perl5/x86_64-linux-thread-multi",
    [3]  "local/lib/perl5",
    [4]  "/home/vagrant/perl/lib/perl5/x86_64-linux-thread-multi",
    [5]  "/home/vagrant/perl/lib/perl5",
    [6]  "/vagrant/local/lib/perl5/x86_64-linux-thread-multi",
    [7]  "/vagrant/local/lib/perl5",
    [8]  "/usr/local/lib64/perl5",
    [9]  "/usr/local/share/perl5",
    [10] "/usr/lib64/perl5/vendor_perl",
    [11] "/usr/share/perl5/vendor_perl",
    [12] "/usr/lib64/perl5",
    [13] "/usr/share/perl5",
    [14] sub { ... }
]

Using Docker (For Development)

While not yet as featureful or complete as the vagrant setup, this repository now contains a docker-compose file that will create a local Bugzilla for testing.

To use docker-compose, ensure you have the latest Docker install for your environment (Linux, Windows, or Mac OS). If you are using Ubuntu, then you can read the next section to ensure that you have the correct docker setup.

docker-compose up --build

Then, you must configure your browser to use http://localhost:1091 as an HTTP proxy. For setting a proxy in Firefox, see Firefox Connection Settings. The procedure should be similar for other browsers.

After that, you should be able to visit http://bmo-web.vm/ from your browser. You can login as vagrant@bmo-web.vm with the password "vagrant01!" (without quotes).

Ensuring your Docker setup on Ubuntu 16.04

On Ubuntu, Docker can be installed using apt-get. After installing, you need to do run these commands to ensure that it has installed fine:

sudo groupadd docker # add a new group called "docker"
sudo gpasswd -a <your username> docker # add yourself to "docker" group

Log in & log out of your system, so that changes in the above commands will & do this:

sudo service docker restart
docker run hello-world

If the output of last command looks like this. then congrats you have installed docker successfully:

Hello from Docker!
This message shows that your installation appears to be working correctly.

Docker Container

This repository is also a runnable docker container.

Container Arguments

Currently, the entry point takes a single command argument. This can be httpd or shell.

httpd
This will start apache listening for connections on $PORT
shell
This will start an interactive shell in the container. Useful for debugging.

Environmental Variables

PORT
This must be a value >= 1024. The httpd will listen on this port for incoming plain-text HTTP connections. Default: 8000
MOJO_REVERSE_PROXY
This tells the backend that it is behind a proxy. Default: 1
MOJO_HEARTBEAT_INTERVAL
How often (in seconds) will the manager process send a heartbeat to the workers. Default: 10
MOJO_HEARTBEAT_TIMEOUT
Maximum amount of time in seconds before a worker without a heartbeat will be stopped gracefully Default: 120
MOJO_INACTIVITY_TIMEOUT
Maximum amount of time in seconds a connection can be inactive before getting closed. Default: 120
MOJO_WORKERS
Number of worker processes. A good rule of thumb is two worker processes per CPU core for applications that perform mostly non-blocking operations, blocking operations often require more and benefit from decreasing concurrency with "MOJO_CLIENTS" (often as low as 1). Note that during zero downtime software upgrades there will be twice as many workers active for a short amount of time. Default: 1
MOJO_SPARE
Temporarily spawn up to this number of additional workers if there is a need. This allows for new workers to be started while old ones are still shutting down gracefully, drastically reducing the performance cost of worker restarts. Default: 1
MOJO_CLIENTS
Maximum number of accepted connections each worker process is allowed to handle concurrently, before stopping to accept new incoming connections. Note that high concurrency works best with applications that perform mostly non-blocking operations, to optimize for blocking operations you can decrease this value and increase "MOJO_WORKERS" instead for better performance. Default: 200
BUGZILLA_ALLOW_INSECURE_HTTP
This should never be set in production. It allows auth delegation and oauth over http.
BMO_urlbase
The public URL for this instance. Note that if this begins with https:// and BMO_inbound_proxies is set to '*' Bugzilla will believe the connection to it is using SSL.
BMO_canonical_urlbase
The public URL for the production instance, if different from urlbase above.
BMO_attachment_base

This is the URL for attachments. When the allow_attachment_display parameter is on, it is possible for a malicious attachment to steal your cookies or perform an attack on Bugzilla using your credentials.

If you would like additional security on attachments to avoid this, set this parameter to an alternate URL for your Bugzilla that is not the same as urlbase or sslbase. That is, a different domain name that resolves to this exact same Bugzilla installation.

For added security, you can insert %bugid% into the URL, which will be replaced with the ID of the current bug that the attachment is on, when you access an attachment. This will limit attachments to accessing only other attachments on the same bug. Remember, though, that all those possible domain names (such as 1234.your.domain.com) must point to this same Bugzilla instance.

BMO_db_driver
What SQL database to use. Default is mysql. List of supported databases can be obtained by listing Bugzilla/DB directory - every module corresponds to one supported database and the name of the module (before ".pm") corresponds to a valid value for this variable.
BMO_db_host
The DNS name or IP address of the host that the database server runs on.
BMO_db_name
The name of the database.
BMO_db_user
The database user to connect as.
BMO_db_pass
The password for the user above.
BMO_site_wide_secret
This secret key is used by your installation for the creation and validation of encrypted tokens. These tokens are used to implement security features in Bugzilla, to protect against certain types of attacks. It's very important that this key is kept secret.
BMO_jwt_secret
This secret key is used by your installation for the creation and validation of jwts. It's very important that this key is kept secret and it should be different from the side_wide_secret. Changing this will invalidate all issued jwts, so all oauth clients will need to start over. As such it should be a high level of entropy, as it probably won't change for a very long time.
BMO_inbound_proxies
This is a list of IP addresses that we expect proxies to come from. This can be '*' if only the load balancer can connect to this container. Setting this to '*' means that BMO will trust the X-Forwarded-For header.
BMO_memcached_namespace
The global namespace for the memcached servers.
BMO_memcached_servers
A list of memcached servers (IP addresses or host names). Can be empty.
BMO_shadowdb
The database name of the read-only database.
BMO_shadowdbhost
The hotname or IP address of the read-only database.
BMO_shadowdbport
The port of the read-only database.
BMO_setrlimit
This is a JSON object and can set any limit described in https://metacpan.org/pod/BSD::Resource. Typically it used for setting RLIMIT_AS, and the default value is { "RLIMIT_AS": 2000000000 }.
BMO_size_limit
This is the max amount of unshared memory the worker processes are allowed to use before they will exit. Minimum 750000 (750MiB)
BMO_mail_delivery_method
Usually configured on the MTA section of admin interface, but may be set here for testing purposes. Valid values are None, Test, Sendmail, or SMTP. If set to Test, email will be appended to the /app/data/mailer.testfile.
BMO_use_mailer_queue
Usually configured on the MTA section of the admin interface, you may change this here for testing purposes. Should be 1 or 0. If 1, the job queue will be used. For testing, only set to 0 if the BMO_mail_delivery_method is None or Test.
USE_NYTPROF
Write Devel::NYTProf profiles out for each requests. These will be named /app/data/nytprof.$host.$script.$n.$pid, where $host is the hostname of the container, script is the name of the script (without extension), $n is a number starting from 1 and incrementing for each request to the worker process, and $pid is the worker process id.
NYTPROF_DIR
Alternative location to store profiles from the above option.
LOG4PERL_CONFIG_FILE
Filename of Log::Log4perl config file. It defaults to log4perl-syslog.conf. If the file is given as a relative path, it will relative to the /app/conf/ directory.
LOG4PERL_STDERR_DISABLE

Boolean. By default log messages are logged as plain text to STDERR. Setting this to a true value disables this behavior.

Note: For programs that run using the cereal log aggregator, this environment variable will be ignored.

Logging Configuration

How Bugzilla logs is entirely configured by the environmental variable LOG4PERL_CONFIG_FILE. This config file should be familiar to someone familiar with log4j, and it is extensively documented in Log::Log4perl.

Many examples are provided in the logs/ directory.

If multiple processes will need to log, it should be configured to log to a socket on port 5880. This will be the "cereal" daemon, which will only be started for jobqueue and httpd-type containers.

The example log config files will often be configured to log to stderr themselves. To prevent duplicate lines (or corrupted log messages), stderr logging should be filtered on the existence of the LOG4PERL_STDERR_DISABLE environmental variable.

Logging configuration also controls which errors are sent to Sentry.

Persistent Data Volume

This container expects /app/data to be a persistent, shared, writable directory owned by uid 10001. This must be a shared (NFS/EFS/etc) volume between all nodes.

Development Tips

Testing Emails

With vagrant have two options to test emails sent by a local Bugzilla instance. You can configure which setting you want to use by going to http://bmo-web.vm/editparams.cgi?section=mta and changing the mail_delivery_method to either 'Test' or 'Sendmail'. Afterwards restart BMO with vagrant reload. With docker, only the default 'Test' option is supported.

'Test' option (Default for Docker)

With this option, all mail will be appended to a mailer.testfile.

  • Using docker, run docker-compose run bmo-web.vm cat /app/data/mailer.testfile.
  • Using vagrant, run vagrant ssh web and then navigate to /vagrant/data/mailer.testfile.

'Sendmail' option (Default for Vagrant)

This option is useful if you want to preview email using a real mail client. An imap server is running on bmo-web.vm on port 143 and you can connect to it with the following settings:

  • host: bmo-web.vm
  • port: 143
  • encryption: No SSL, Plaintext password
  • username: vagrant
  • password: anything

All email that bmo sends will go to the vagrant user, so there is no need to login with multiple imap accounts.

Thunderbird's wizard to add a new "Existing Mail Account" doesn't work with bmo-web. It fails because it wants to create a mail account with both incoming mail (IMAP) and outgoing mail (SMTP, which bmo-web.vm doesn't provide). To work around this, using a regular email account to first setup, then modify the settings of that account: Right Click the account in the left side bar > Settings > Server Settings. Update the server settings to match those listed above. Afterwards, you may update the account name to be vagrant@bmo-web.vm. Thunderbird will now pull email from BMO. You can try it out by commenting on a bug.

You can’t perform that action at this time.