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Drop subprocess call to bash function ogReduceFs. Use a native python
solution with subprocess calls to the required underlying tools.
Use get_filesystem_type to get the filesystem from a partition and call
the corresponding supported filesystem shrink function.
Filesystem specific functions are declared "_reduce_{filesystem}" and
should not be imported elsewhere.
In case of NTFS filesystems, the output of 'ntfsresize' is processed
directly. This is dirty, but we can expect no changes to the output
strings if we read the following comment in the nftsresize.c source
code:
https://github.com/tuxera/ntfs-3g/blob/edge/ntfsprogs/ntfsresize.c#L12
ntfsresize requires to do previous dry-run executions to confirm
that the resizing is possible.
If a dry-run fails but a 10% increase in size is still smaller than
original filesystem then retry the operation until dry-run reports
sucess or the size increase is bigger than original.
If resizing to a smaller ntfs filesystem is not possible then ogReduceFs
will do nothing.
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Retrieve filesystem type from a partition using get_filesystem_type.
Encapsulates a subprocess call to blkid.
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Adds utility module which wraps several mkfs.* calls as a subprocess.
The main utility function is mkfs(fs, disk, partition, label), which
subsequently calls the corresponding mkfs_*(partition_device) function.
mkfs() supports specifying a drive label where supported.
Other modules using fs.py should call mkfs() only.
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Do not return the subprocess result for ogReduceFs/ogExtendFs.
ogReduceFs works with or without the target filesystem mounted.
ogExtendFs requires the target filesystem to be mounted.
'ogMount' legacy script invocation should be replaced by a better
mount/umount wrapper.
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Integrates some parts of this operation into native code, eg: the md5
checksum computation.
Wraps non native processes and commands using the subprocess module.
For example, legacy.py stores bash commands pending integration.
Supports python >=3.6, expected until more modern ogLives are put into
production environments.
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Returns true if target is already a mountpoint. Does not call mount.
It's possible that another device might be mounted in the target
mountpoint. A future check between the source and target for
equal device major:minor must be added.
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OpenGnsys partition images store OS information, including
the OS name appended with "64 bits" when the OS is meant for 64 bit
machines.
The detected OS name when probing (refresh) is important, if it differs
from what's stored in the DB OpenGnsys will wipe last image restored
information when running a refresh.
See actualizaConfiguracion from legacy ogserver (ogAdmServer.c) code:
dato = dbi_result_get_uint(result, "idnombreso");
if (idsoi == dato) {
swu = false;
}
...
if (swu) {
result_update = dbi_conn_queryf(dbi->conn,
"UPDATE ordenadores_particiones SET "
" codpar=0x%s,"
" tamano=%s,"
" uso=%s,"
" idsistemafichero=%d,"
" idnombreso=%d,"
" idimagen=0,"
" idperfilsoft=0,"
" fechadespliegue=NULL"
" WHERE idordenador=%d AND numdisk=%s AND numpar=%s",
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* disk.py
Disk discovery
* fs.py
Uses psutil to fetch fs usage information
* menu.py
ogBrowser menu generation
* net.py: gets nic status information
IP address, MAC address and ethernet speed.
* probe.py: probes mountpoints for operating systems
Uses hivexget command to try fetching Windows installation
information.
Looks for /etc/os-release for probing linux systems.
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