6892abb4be
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.
36 lines
1020 B
Ruby
36 lines
1020 B
Ruby
class Kamal::Cli::Prune < Kamal::Cli::Base
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desc "all", "Prune unused images and stopped containers"
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def all
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mutating do
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containers
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images
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end
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end
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desc "images", "Prune unused images"
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def images
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mutating do
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on(KAMAL.hosts) do
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execute *KAMAL.auditor.record("Pruned images"), verbosity: :debug
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execute *KAMAL.prune.dangling_images
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execute *KAMAL.prune.tagged_images
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end
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end
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end
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desc "containers", "Prune all stopped containers, except the last n (default 5)"
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option :retain, type: :numeric, default: nil, desc: "Number of containers to retain"
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def containers
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retain = options.fetch(:retain, KAMAL.config.retain_containers)
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raise "retain must be at least 1" if retain < 1
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mutating do
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on(KAMAL.hosts) do
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execute *KAMAL.auditor.record("Pruned containers"), verbosity: :debug
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execute *KAMAL.prune.app_containers(retain: retain)
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execute *KAMAL.prune.healthcheck_containers
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end
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end
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end
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end
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