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Config the number of containers to keep

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By default we keep 5 containers around for rollback. The containers
don't take much space, but the images for them can.

Make the number of containers to retain configurable, either in the
config with the `retain_containers` setting on the command line
with the `--retain` option.
This commit is contained in:
Donal McBreen
2024-01-15 14:17:43 +00:00
parent bcfd0ca88a
commit 6892abb4be
6 changed files with 42 additions and 7 deletions
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6
test/commands/prune_test.rb
View File

@@ -23,7 +23,11 @@ class CommandsPruneTest < ActiveSupport::TestCase
test "app containers" do
assert_equal \
"docker ps -q -a --filter label=service=app --filter status=created --filter status=exited --filter status=dead | tail -n +6 | while read container_id; do docker rm $container_id; done",
new_command.app_containers.join(" ")
new_command.app_containers(retain: 5).join(" ")
assert_equal \
"docker ps -q -a --filter label=service=app --filter status=created --filter status=exited --filter status=dead | tail -n +4 | while read container_id; do docker rm $container_id; done",
new_command.app_containers(retain: 3).join(" ")
end
test "healthcheck containers" do