Install Consul Democracy 2.1.0 #221
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We're going to release version 2.1.0 with many changes that aren't compatible with Consul Democracy 2.0.1, so we're creating this branch in order to merge those changes and keep them there until we release Consul Democracy 2.1.0.
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…f nodejs Note we aren't installing the `master` branch (for now) because that branch requires configuring Puma with systemd. Instead, we're using the last commit which still uses Puma as a daemon.
Consul Democracy has added a `.node-version` file in version 2.1.0, and now it installs the version defined there when deploying with Capistrano and installs NPM packages for that version. So we're doing the same when running the installer.
``` [DEPRECATION WARNING]: "include" is deprecated, use include_tasks/import_tasks instead. See https://docs.ansible.com/ansible-core/2.15/user_guide/playbooks_reuse_includes.html for details. This feature will be removed in version 2.16. Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible.cfg. ```
We found nodejs binaries from `nodejs.org/dist` sometimes are not available or takes to long to download them making the installer crash. With this change we hope to significally reduce the chance to have a failure when running the installer.
…version Install specific nodejs version
The `puma.service` file included here is an adaptation of the ERB template provided by the capistrano3-puma gem. In order to transition smoothly from the systemd configuration generated by this installer to the systemd configuration provided by capistrano3-puma, the `puma_service_unit_name` must be the same during both installation and deployment. Note that, now that Puma starts with systemd, we have to wait till it creates a socket before continuing; otherwise the socket file won't be there when we execute the next command, and that command will file. Also note we have to configure the XDG_RUNTIME_DIR variable. Quoting the ansible documentation [1]: > For systemd to work with ‘user’, the executing user must have its own > instance of dbus started and accessible (systemd requirement). > > The user dbus process is normally started during normal login, but not > during the run of Ansible tasks. Otherwise you will probably get a > 'Failed to connect to bus: no such file or directory' error. > > The user must have access, normally given via setting the > XDG_RUNTIME_DIR variable. We also need to check for systemd access because ansible doesn't do it automatically [2]. In order to allow unprivileged users to enable lingering to enable systemd user units, we need to install the policykit-1 package, which is installed by default in Ubuntu but not on Debian Bookworm. Without this package the action of lingering requires sudo priveleges. Finally, we're using Consul Democracy's `master` branch, since it contains support for Puma with Systemd. [1] https://docs.ansible.com/ansible/latest/collections/ansible/builtin/systemd_service_module.html#parameter-scope [2] See issue in 72674 https://github.com/ansible/ansible/issues/ Co-Authored-By: Senén Rodero <senenrodero@gmail.com>
While this isn't needed when starting the Puma service on the server or with Capistrano, we need the RVM script while using the installer. The file is now different from the one generated by capistrano3-puma, but that's alright because it will be overwritten when deploying with Capistrano (as long as the `:puma_service_unit_name` is the same).
The Docker images for Debian don't include systemd and, even when using an image that comes with support with systemd [1], we're getting a warning when starting Puma (the following error takes place when we skip the "Enable systemd access" step, since that step also raises an error in Debian): > Warning: : daemon-reload failed, but target is a chroot or systemd > is offline. > Continuing. Error was: 1 / Failed to connect to bus: No such file or > directory > Warning: : Target is a chroot or systemd is offline. This can > lead to false positives or prevent the init system tools from working. So Puma isn't started in this case. So now Debian support is uncertain, since we aren't able to test that Puma starts correctly and the web is accessible. We're at least testing that the rest of the installation process runs correctly. [1] https://github.com/trfore/docker-debian11-systemd/blob/main/Dockerfile
Use systemd to start Puma
1. Errbit does not have the mongodb package available via apt. 2. The latest Errbit version uses ruby 2.7.4 which needs SSL1 while Ubuntu 22.04 supports SSL3.
For some reason I do not know yet, when running the installer on a Ubuntu 22.04 server it creates the deploy_user home directory with 750 permissions instead of 755. We need 755 permissions so other users like `www-data`, which runs the nginx service can read from the Consul Democracy puma socket. Otherwise we get a 502 Bad Gateway error when accessing the application.
Add Ubuntu 22.04 support
Since Bookworm comes with PostgreSQL 15, we need to make the `deploy_user` the database owner. Quoting the PostgreSQL 15 release notes [1]: > PostgreSQL 15 also revokes the CREATE permission from all users > except a database owner from the public (or default) schema. Now, we first create the user without any privileges, then create the database with the new user as the database owner and finally grant all privileges to the new user on the new database. [1] https://www.postgresql.org/about/news/postgresql-15-released-2526/ Co-Authored-By: Senén Rodero <senenrodero@gmail.com>
Add support for Debian Bookworm
Now it's disabled through environment variable.
Enable graceful appication restarts
taitus
approved these changes
Feb 20, 2024
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