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b3c3ef29bd
Fixes #4815 This implements the following steps: * machine configuration updates * pulling and unpacking system extension images * validating, listing system extensions * re-packing system extensions * preserving installed extensions in `/etc/extensions.yaml` Once extension is enabled, raw information can be queried with: ``` $ talosctl -n 172.20.0.2 cat /etc/extensions.yaml layers: - image: 000.ghcr.io-smira-gvisor-c927b54-dirty.sqsh metadata: name: gvisor version: 20220117.0-v1.0.0 author: Andrew Rynhard description: | This system extension provides gVisor using containerd's runtime handler. compatibility: talos: version: '> v0.15.0-alpha.1' ``` This was tested with the `gvisor` system extension. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
23 lines
724 B
Go
23 lines
724 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package extensions
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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)
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// Compress builds the squashfs image in the specified destination folder.
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func (ext *Extension) Compress(destinationPath string) (string, error) {
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destinationPath = filepath.Join(destinationPath, fmt.Sprintf("%s.sqsh", ext.directory))
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cmd := exec.Command("mksquashfs", ext.rootfsPath, destinationPath, "-all-root", "-noappend", "-comp", "xz", "-Xdict-size", "100%", "-no-progress")
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cmd.Stderr = os.Stderr
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return destinationPath, cmd.Run()
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}
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