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WIP: draft for getting the volume template for a path
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| # frozen_string_literal: true | ||
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| # Copyright (c) [2023] SUSE LLC | ||
| # | ||
| # All Rights Reserved. | ||
| # | ||
| # This program is free software; you can redistribute it and/or modify it | ||
| # under the terms of version 2 of the GNU General Public License as published | ||
| # by the Free Software Foundation. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, but WITHOUT | ||
| # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| # more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License along | ||
| # with this program; if not, contact SUSE LLC. | ||
| # | ||
| # To contact SUSE LLC about this file by physical or electronic mail, you may | ||
| # find current contact information at www.suse.com. | ||
|
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| require "pathname" | ||
| require "yast" | ||
| require "y2storage" | ||
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| module Agama | ||
| module Storage | ||
| class VolumeTemplatesBuilder | ||
| def initialize(config_data) | ||
| @data = {} | ||
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| # TODO: maybe add an entry for "" if no default is provided? | ||
| config_data.each do |volume_data| | ||
| @data[key(volume_data)] = values(volume_data) | ||
| end | ||
| end | ||
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| def for(path) | ||
| data = @data[cleanpath(path)] || @data[""] | ||
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| Volume.new(path).tap do |vol| | ||
| vol.btrfs = data[:btrfs] | ||
| vol.outline = data[:outline] | ||
| vol.filesystem = data[:filesystem] | ||
| # vol.mount_options = xxx | ||
| # vol.format_options = xxx | ||
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| if data[:auto_size] && vol.outline.adaptative_sizes? | ||
| vol.auto_size = true | ||
| else | ||
| vol.auto_size = false | ||
| vol.min_size = data[:min_size] if data[:min_size] | ||
| vol.max_size = data[:max_size] if data[:max_size] | ||
| end | ||
| end | ||
| end | ||
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| private | ||
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| def key(data) | ||
| path = data["mount_path"] | ||
| return "" unless path | ||
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| cleanpath(path) | ||
| end | ||
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| def values(data) | ||
| Hash.new.tap do |values| | ||
| values[:btrfs] = btrfs(data) | ||
| values[:outline] = outline(data) | ||
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| # TODO: maybe ensure consistency of values[:filesystem] and values[:outline].filesystems ? | ||
| fs = data["filesystem"] | ||
| values[:filesystem] = Y2Storage::Filesystems::Type.find(fs.downcase.to_sym) if fs | ||
| values[:filesystem] ||= values[:outline].filesystems.first | ||
| values[:filesystem] ||= Y2Storage::Filesystems::Type::EXT4 | ||
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| # values[:mount_options] = xxx | ||
| # values[:format_options] = xxx | ||
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| size = outline_data.fetch("size", {}) | ||
| values[:auto_size] = size.fetch("auto", false) | ||
| values[:min_size] = parse_disksize(size["min"]) | ||
| values[:max_size] = parse_disksize(size["max"]) | ||
| end | ||
| end | ||
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| def btrfs(data) | ||
| btrfs_data = data.fetch("btrfs", {}) | ||
| BtrfsSettings.new.tap do |btrfs| | ||
| btrfs.snapshots = btrfs_data.fetch("snapshots", false) | ||
| btrfs.read_only = btrfs_data.fetch("read_only", false) | ||
| btrfs.default_subvolume = btrfs_data.fetch("default_subvolume", "") | ||
| btrfs.subvolumes = btrfs_data["subvolumes"] | ||
| if btrfs.subvolumes | ||
| btrfs.subvolumes.map! { |subvol_data| subvolume(subvol_data) } | ||
| end | ||
| end | ||
| end | ||
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| def subvolume(data) | ||
| return Y2Storage::SubvolSpecification.new(data) if data.kind_of?(String) | ||
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| Y2Storage::SubvolSpecification.new( | ||
| data["path"], copy_on_write: data["copy_on_write"], archs: data["archs"] | ||
| ) | ||
| end | ||
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| def outline(data) | ||
| outline_data = data.fetch("outline", {}) | ||
| VolumeOutline.new.tap do |outline| | ||
| outline.required = outline_data.fetch("required", false) | ||
| outline.filesystems = outline_data.fetch("filesystems", []) | ||
| outline.filesystems.map! { |fs| Y2Storage::Filesystems::Type.find(fs.downcase.to_sym) } | ||
| outline.snapshots_configurable = outline_data.fetch("snapshots_configurable", true) | ||
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| size = outline_data.fetch("auto_size", {}) | ||
| min = parse_disksize(size["min"]) | ||
| max = parse_disksize(size["max"]) | ||
| outline.base_min_size = min if min | ||
| outline.base_max_size = max if max | ||
| outline.adjust_by_ram = size.fetch("adjust_by_ram", false) | ||
| outline.min_size_fallback_for = Array(size["min_fallback_for"]) | ||
| outline.min_size_fallback_for.map! { |p| cleanpath(p) } | ||
| outline.max_size_fallback_for = Array(size["max_fallback_for"]) | ||
| outline.max_size_fallback_for.map! { |p| cleanpath(p) } | ||
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| assign_snapshots_increment(outline, size["snapshots_increment"]) | ||
| end | ||
| end | ||
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| def assign_snapshots_increment(outline, increment) | ||
| return if increment.nil | ||
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| if increment =~ /(\d+)\s*%/ | ||
| outline.snapshots_percentage = $1.to_i | ||
| else | ||
| outline.snapshots_size = Y2Storage::DiskSize.parse(increment, legacy_units: true) | ||
| end | ||
| end | ||
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| def parse_disksize(value) | ||
| return nil unless value | ||
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| Y2Storage::DiskSize.parse_or(value, nil, legacy_units: true) | ||
| end | ||
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| def cleanpath(path) | ||
| Pathname.new(path).cleanpath | ||
| end | ||
| end | ||
| end | ||
| end |