akkoma/lib/mix/tasks/pleroma/instance.ex

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defmodule Mix.Tasks.Pleroma.Instance do
use Mix.Task
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alias Pleroma.{Repo, User}
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@shortdoc "Manages Pleroma instance"
@moduledoc """
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Manages Pleroma instance.
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## Generate a new instance config.
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mix pleroma.instance gen [OPTION...]
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If any options are left unspecified, you will be prompted interactively
## Options
- `-f`, `--force` - overwrite any output files
- `-o PATH`, `--output PATH` - the output file for the generated configuration
- `--output-psql PATH` - the output file for the generated PostgreSQL setup
- `--domain DOMAIN` - the domain of your instance
- `--instance-name INSTANCE_NAME` - the name of your instance
- `--admin-email ADMIN_EMAIL` - the email address of the instance admin
- `--dbhost HOSTNAME` - the hostname of the PostgreSQL database to use
- `--dbname DBNAME` - the name of the database to use
- `--dbuser DBUSER` - the user (aka role) to use for the database connection
- `--dbpass DBPASS` - the password to use for the database connection
"""
def run(["gen" | rest]) do
{options, [], []} =
OptionParser.parse(
rest,
strict: [
force: :boolean,
output: :string,
output_psql: :string,
domain: :string,
instance_name: :string,
admin_email: :string,
dbhost: :string,
dbname: :string,
dbuser: :string,
dbpass: :string
],
aliases: [
o: :output,
f: :force
]
)
paths =
[config_path, psql_path] = [
Keyword.get(options, :output, "config/generated_config.exs"),
Keyword.get(options, :output_psql, "config/setup_db.psql")
]
will_overwrite = Enum.filter(paths, &File.exists?/1)
proceed? = Enum.empty?(will_overwrite) or Keyword.get(options, :force, false)
unless not proceed? do
domain =
get_option(
options,
:domain,
"What domain will your instance use? (e.g pleroma.soykaf.com)"
)
name =
get_option(options, :name, "What is the name of your instance? (e.g. Pleroma/Soykaf)")
email = get_option(options, :admin_email, "What is your admin email address?")
dbhost = get_option(options, :dbhost, "What is the hostname of your database?", "localhost")
dbname = get_option(options, :dbname, "What is the name of your database?", "pleroma_dev")
dbuser =
get_option(
options,
:dbuser,
"What is the user used to connect to your database?",
"pleroma"
)
dbpass =
get_option(
options,
:dbpass,
"What is the password used to connect to your database?",
:crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64),
"autogenerated"
)
secret = :crypto.strong_rand_bytes(64) |> Base.encode64() |> binary_part(0, 64)
result_config =
EEx.eval_file(
"sample_config.eex" |> Path.expand(__DIR__),
domain: domain,
email: email,
name: name,
dbhost: dbhost,
dbname: dbname,
dbuser: dbuser,
dbpass: dbpass,
version: Pleroma.Mixfile.project() |> Keyword.get(:version),
secret: secret
)
result_psql =
EEx.eval_file(
"sample_psql.eex" |> Path.expand(__DIR__),
dbname: dbname,
dbuser: dbuser,
dbpass: dbpass
)
Mix.shell().info(
"Writing config to #{config_path}. You should rename it to config/prod.secret.exs or config/dev.secret.exs."
)
File.write(config_path, result_config)
Mix.shell().info("Writing #{psql_path}.")
File.write(psql_path, result_psql)
Mix.shell().info(
"\n" <>
"""
To get started:
1. Verify the contents of the generated files.
2. Run `sudo -u postgres psql -f #{escape_sh_path(psql_path)}`.
""" <>
if config_path in ["config/dev.secret.exs", "config/prod.secret.exs"] do
""
else
"3. Run `mv #{escape_sh_path(config_path)} 'config/prod.secret.exs'`."
end
)
else
Mix.shell().error(
"The task would have overwritten the following files:\n" <>
(Enum.map(paths, &"- #{&1}\n") |> Enum.join("")) <>
"Rerun with `--force` to overwrite them."
)
end
end
defp escape_sh_path(path) do
~S(') <> String.replace(path, ~S('), ~S(\')) <> ~S(')
end
defp get_option(options, opt, prompt, def \\ nil, defname \\ nil) do
Keyword.get(options, opt) ||
case Mix.shell().prompt("#{prompt} [#{defname || def}]") do
"\n" ->
case def do
nil -> get_option(options, opt, prompt, def)
def -> def
end
opt ->
opt |> String.trim()
end
end
end