ce8408a9c6
This allows us to map in a whole disk as a loopback device with parition
scanning rather than slicing up the disk and creating several loopback
devices. Something like this:
```
- type: org.osbuild.copy
inputs:
tree:
type: org.osbuild.tree
origin: org.osbuild.pipeline
references:
- name:tree
options:
paths:
- from: input://tree/
to: mount://root/
devices:
efi:
type: org.osbuild.loopback
options:
filename: disk.img
start:
mpp-format-int: '{image.layout[''EFI-SYSTEM''].start}'
size:
mpp-format-int: '{image.layout[''EFI-SYSTEM''].size}'
boot:
type: org.osbuild.loopback
options:
filename: disk.img
start:
mpp-format-int: '{image.layout[''boot''].start}'
size:
mpp-format-int: '{image.layout[''boot''].size}'
root:
type: org.osbuild.loopback
options:
filename: disk.img
start:
mpp-format-int: '{image.layout[''root''].start}'
size:
mpp-format-int: '{image.layout[''root''].size}'
mounts:
- name: root
type: org.osbuild.xfs
source: root
target: /
- name: boot
type: org.osbuild.ext4
source: boot
target: /boot
- name: efi
type: org.osbuild.fat
source: efi
target: /boot/efi
```
now becomes a little more simple:
```
- type: org.osbuild.copy
inputs:
tree:
type: org.osbuild.tree
origin: org.osbuild.pipeline
references:
- name:tree
options:
paths:
- from: input://tree/
to: mount://root/
devices:
disk:
type: org.osbuild.loopback
options:
filename: disk.img
partscan: true
mounts:
- name: root
type: org.osbuild.xfs
source: disk
partition:
mpp-format-int: '{image.layout[''root''].partnum}'
target: /
- name: boot
type: org.osbuild.ext4
source: disk
partition:
mpp-format-int: '{image.layout[''boot''].partnum}'
target: /boot
- name: efi
type: org.osbuild.fat
source: disk
partition:
mpp-format-int: '{image.layout[''EFI-SYSTEM''].partnum}'
target: /boot/efi
```
Fixes https://github.com/osbuild/osbuild/issues/1495
63 lines
1.2 KiB
Python
Executable file
63 lines
1.2 KiB
Python
Executable file
#!/usr/bin/python3
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"""
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ext4 mount service
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Mount a ext4 filesystem at the given location.
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Host commands used: mount
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"""
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import sys
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from typing import Dict
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from osbuild import mounts
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SCHEMA_2 = """
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"additionalProperties": false,
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"required": ["name", "type", "source", "target"],
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"properties": {
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"name": { "type": "string" },
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"type": { "type": "string" },
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"source": {
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"type": "string"
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},
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"partition": {
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"description": "If the source device has partitions, the partition number, starting at one",
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"type": "number"
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},
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"target": {
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"type": "string"
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},
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"options": {
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"type": "object",
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"additionalProperties": false,
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"properties": {
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"readonly": {
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"description": "mount the source as a readonly device",
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"type": "boolean",
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"default": false
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},
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"norecovery": {
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"description": "Don't load the journal on mounting",
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"type": "boolean",
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"default": false
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}
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}
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}
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}
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"""
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class Ext4Mount(mounts.FileSystemMountService):
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def translate_options(self, options: Dict):
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return ["-t", "ext4"] + super().translate_options(options)
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def main():
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service = Ext4Mount.from_args(sys.argv[1:])
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service.main()
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if __name__ == '__main__':
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main()
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