mvisonneau/automount repository overview

~$ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
nvme0n1     259:0    0 372.5G  0 disk
nvme1n1     259:1    0    10G  0 disk
└─nvme1n1p1 259:2    0    10G  0 part /

# Automatically format and mount it where you need it.
~$ sudo automount mount /mnt/foo
INFO[2019-05-23T08:21:14Z] No device specified, trying to find one automatically
INFO[2019-05-23T08:21:14Z] Found 2 disk(s), total size of 382 GB
INFO[2019-05-23T08:21:14Z] /dev/nvme0n1 is available, picking this one!
INFO[2019-05-23T08:21:14Z] Formatting device /dev/nvme0n1 to ext4
INFO[2019-05-23T08:21:17Z] Parsing /etc/fstab
INFO[2019-05-23T08:21:17Z] Found 2 entries in /etc/fstab
INFO[2019-05-23T08:21:17Z] Ensuring that mountpoint /mnt/foo exists with correct permissions (493)
INFO[2019-05-23T08:21:17Z] /dev/nvme0n1 is not configured within fstab, appending configuration
INFO[2019-05-23T08:21:17Z] Writing configuration to /etc/fstab
INFO[2019-05-23T08:21:17Z] Attempting to mount /dev/nvme0n1 to /mnt/foo
INFO[2019-05-23T08:21:17Z] Mounted!

~$ df -h /mnt/foo
Filesystem      Size  Used Avail Use% Mounted on
/dev/nvme0n1    366G   69M  347G   1% /mnt/foo

~$ sudo automount --log-level debug --use-lvm --use-all-devices mount /mnt/foo
INFO[2019-06-06T17:28:21Z] Parsing /etc/fstab
INFO[2019-06-06T17:28:21Z] Found 3 entries in /etc/fstab
INFO[2019-06-06T17:28:21Z] No device specified, looking up available ones
INFO[2019-06-06T17:28:21Z] Found 3 disk(s), total size of 315 GB
INFO[2019-06-06T17:28:21Z] /dev/xvda has partitions, skipping
INFO[2019-06-06T17:28:21Z] /dev/xvdb is available
INFO[2019-06-06T17:28:21Z] /dev/xvdc is available
INFO[2019-06-06T17:28:21Z] Using LVM for managing the partitions
DEBU[2019-06-06T17:28:21Z] command lvm available at /sbin/lvm
DEBU[2019-06-06T17:28:21Z] LVM: getting current state
DEBU[2019-06-06T17:28:21Z] LVM: creating physical volume on /dev/xvdb
DEBU[2019-06-06T17:28:21Z] LVM: creating physical volume on /dev/xvdc
DEBU[2019-06-06T17:28:22Z] LVM: creating volume group
DEBU[2019-06-06T17:28:23Z] LVM: creating logical volume
INFO[2019-06-06T17:28:23Z] physical volume, volume group and logical volume created, using this as a device
INFO[2019-06-06T17:28:23Z] /dev/automount/automount is not formatted, will format it.
INFO[2019-06-06T17:28:23Z] Formatting device /dev/automount/automount to ext4
INFO[2019-06-06T17:28:30Z] Ensuring that mountpoint /mnt/foo exists with correct permissions (493)
INFO[2019-06-06T17:28:30Z] /dev/automount/automount is not configured within fstab, appending configuration
INFO[2019-06-06T17:28:30Z] Writing configuration to /etc/fstab
INFO[2019-06-06T17:28:30Z] Attempting to mount /dev/automount/automount to /mnt/foo
INFO[2019-06-06T17:28:30Z] Mounted!
DEBU[2019-06-06T17:28:30Z] Executed in 9.322286497s, exiting..

~$ pvs --noheadings
  /dev/xvdb  automount lvm2 a--   152.57g    0
  /dev/xvdc  automount lvm2 a--   152.57g    0
~$ lvs --noheadings
  automount automount -wi-ao---- 305.13g

~$ automount
NAME:
   automount - Automatically format and mount block devices

USAGE:
   automount [global options] command [command options] [arguments...]

COMMANDS:
     mount     format and mount a block device somewhere
     validate  check the status of dependencies
     help, h   Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --log-level level                  log level (debug,info,warn,fatal,panic) (default: "info") [$AUTOMOUNT_LOG_LEVEL]
   --log-format format                log format (json,text) (default: "text") [$AUTOMOUNT_LOG_FORMAT]
   --devices value, -d value          block device(s) to mount [$AUTOMOUNT_DEVICES]
   --fstype value, -t value           fs type to use for the block device to mount (default: "ext4") [$AUTOMOUNT_FSTYPE]
   --use-formatted-devices            use formatted but unconfigured devices (will reformat them!) [$AUTOMOUNT_USE_FORMATTED_DEVICES]
   --use-lvm                          use LVM for the partitioning of the block devices [$AUTOMOUNT_USE_LVM]
   --use-all-devices                  use all available devices in a soft-raid fashion (requires --use-lvm as well) [$AUTOMOUNT_USE_ALL_DEVICES]
   --mountpoint-mode value, -m value  file permissions to ensure on the mountpoint (default: 493) [$AUTOMOUNT_MOUNTPOINT_MODE]
   --help, -h                         show help
   --version, -v                      print the version

~$ sudo automount validate
  COMMAND | MANDATORY | AVAILABLE
+---------+-----------+-----------+
  blkid   | YES       | YES
  lsblk   | YES       | YES
  lvm     | NO        | YES
  mdadm   | NO        | YES