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filesystem (11) Versions 0.8.2

Installs/Configures various filesystems

Berkshelf/Librarian
Policyfile
Knife
cookbook 'filesystem', '= 0.8.2'
cookbook 'filesystem', '= 0.8.2', :supermarket
knife cookbook site install filesystem
knife cookbook site download filesystem
README
Dependencies
Quality

Description

This cookbook exists to generically define and create block device filesystems with the minimum of inputs.

This cookbook supports four main types of block devices:

  • normal device - drives, ssds, volumes presented by HBAs etc
  • device ID uuid - mostly found on drives / known block IDs.
  • LVM Volume Groups vg - found on systems using LVM.
  • file-backed file - created dynamically and looped back - will not come up on reboot, but we will try to remount existing file storage in chef.

We will try to create filesystems in two ways: through keys found in node data under 'filesystems' or by being called directly with the filesystem default provider. See the example recipe.

You can also use your own key for a list of filesystems, see the example recipe for an example of this option.

Tools have been listed in the following attribute key : filesystem_tools. This allows for extending the support to other/new filesystems.

Requirements

  • xfs cookbook when building xfs filesystems
  • lvm cookbook when creating logical volumes
  • package #{fstype}progs to support your chosen fstype. We provide some defaults, too.

Main Attributes

filesystems

Hash of filesytems to setup - this is called filesystems because filesystem is already created/managed by ohai (i.e. no s on the end).

node[:filesystems] keys:

Each filesytem's key is the FS label: This explains each key in a filesystems entry. The label must not exceed 12 characters.

We also let you use your own top-level key if you want - see the default recipe and example recipe.

Filesystem Backing Location keys

device

Path to the device to create the filesystem upon.

uuid

UUID of the device to create the filesystem upon.

file

Path to the file-backed storage to be used for a loopback device. device must also be present to specify the loopback. If the file is not present it will be created, as long as a size is given.

vg

Name of the LVM volume group use as backing store for a logical volume. If not present it will be created, as long as a size is given.

Each filesystem should be given one of these attributes for it to have a location to be created at.

If none of these are present then we try to find a device at the label itself.

Filesystem Creation Options

fstype xfs|ocfs2|ext3|ext4|etc

The type of filesystem to be created.

mkfs_options unique for each filesystem.

Options to pass to mkfs at creation time.

Filesystem Backing Options

size 10000 (file) or 10%VG|10g (vg)

The size, only used for filesystems backed by vg and file storage. If vg then a number suffixied by the scale [g|m|t|p], if a file then just a number [megabytes].

sparse Boolean (default: true)

Sparse file creation, used by the file storage, by default we use this for speed, but you may not want that.

stripes optional.

The stripes, only used for filesystems backed by vg aka LVM storage.

mirrors optional.

The mirrors, only used for filesystems backed by vg aka LVM storage.

Filesystem Mounting Options

mount /path/to/mount

Path to mount the filesystem. (If present we will mount the filesystem - this is rather important)

options rw,noatime,defaults (default: defaults)

Options to mount with and add to the fstab.

dump 0|1|2 (default: 0)

Dump entry for fstab

pass 0|1|2 (default: 0)

Pass entry for fstab

user name

Owner of the mountpoint, otherwise we use the chef default. We will not try to create users. You should use the users cookbook for that.

group name

Group of the mountpoint, otherwise we use the chef default. We will not try to create groups. You should write a cookbook to make them nicely.

mode 775

Mode of the mountpoint, otherwise we use the chef default.

Package and Recipe Options

package Package name to install, if specified.

Used to support the filesystem

recipe Recipe to run, if specified - for future use, not currently supported from the lwrp.

Used to support the filesystem

Atypical Behaviour Modifiers

force Boolean (default: false)

Set to true we unsafely create filesystems even if they already exist. If there is data it will be lost. Should not use this unless you are quite confident.

nomkfs Boolean (default: false)

Set to true to disable creation of the filesystem.

nomount Boolean (default: false)

Set to true to disable mounting of the filesystem.

noenable Boolean (default: false)

Set to true to disable adding to fstab.

Usage

Keyed filesystem creation:

{
 "filesystems": { 
   "testfs1": {
     "device": "/dev/sdb",
     "mount": "/db",
     "fstype": "xfs",
     "optons": "noatime,nobarrier",
     "mkfs_options": "-d sunit=128,swidth=2048"
   },
   "applv1": {
     "mount": "/logical1",
     "fstype": "ext4",
     "vg": "standardvg",
     "size": "20G"
   },
   "cluster_01": {
     "fstype": "ocfs2",
     "package": "ocfs2-tools",
     "device": "/dev/mpath/ocfs01",
     "mount": "/mnt/test"
    },
   "filebacked": {
     "file": "/mnt/filesystem-on-a-filesystem.file",
     "device": "/dev/loop7",
     "mount": "/mnt/filesystem-on-a-filesystem",
     "size": "20000"
    }
  }
}

Direct LWRP'd creation:

filesystem "label" do
  fstype "ext3"
  device "/dev/sdb1"
  mount "/mnt/littlelabel"
  actions [:create, :enable, :mount]
end

Links

Development is at https://github.com/atrullmdsol/filesystem_cookbook Opscode community page is at http://community.opscode.com/cookbooks/filesystem

Authors

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