pleroma/lib/mix/tasks/migrate_local_uploads.ex

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2018-11-23 16:40:45 +00:00
defmodule Mix.Tasks.MigrateLocalUploads do
use Mix.Task
import Mix.Ecto
alias Pleroma.{Upload, Uploaders.Local, Uploaders.S3}
require Logger
@log_every 50
@shortdoc "Migrate uploads from local to remote storage"
def run([target_uploader | args]) do
delete? = Enum.member?(args, "--delete")
Application.ensure_all_started(:pleroma)
local_path = Pleroma.Config.get!([Local, :uploads])
uploader = Module.concat(Pleroma.Uploaders, target_uploader)
unless Code.ensure_loaded?(uploader) do
raise("The uploader #{inspect(uploader)} is not an existing/loaded module.")
end
target_enabled? = Pleroma.Config.get([Upload, :uploader]) == uploader
unless target_enabled? do
Pleroma.Config.put([Upload, :uploader], uploader)
end
Logger.info("Migrating files from local #{local_path} to #{to_string(uploader)}")
if delete? do
Logger.warn(
"Attention: uploaded files will be deleted, hope you have backups! (--delete ; cancel with ^C)"
)
:timer.sleep(:timer.seconds(5))
end
uploads = File.ls!(local_path)
total_count = length(uploads)
uploads
|> Task.async_stream(
fn uuid ->
u_path = Path.join(local_path, uuid)
{name, path} =
cond do
File.dir?(u_path) ->
files = for file <- File.ls!(u_path), do: {{file, uuid}, Path.join([u_path, file])}
List.first(files)
File.exists?(u_path) ->
# {uuid, u_path}
raise "should_dedupe local storage not supported yet sorry"
end
{:ok, _} =
Upload.store({:from_local, name, path}, should_dedupe: false, uploader: uploader)
if delete? do
File.rm_rf!(u_path)
end
Logger.debug("uploaded: #{inspect(name)}")
end,
timeout: 150_000
)
|> Stream.chunk_every(@log_every)
|> Enum.reduce(0, fn done, count ->
count = count + length(done)
Logger.info("Uploaded #{count}/#{total_count} files")
count
end)
Logger.info("Done!")
end
def run(_) do
Logger.error("Usage: migrate_local_uploads UploaderName [--delete]")
end
end