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Larry Smith Jr
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Role Name
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=========
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Role to manage LVM Groups/Logical Volumes. Can be used to create, extend or resize LVM.
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Requirements
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------------
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Devices/disks to be part of the LVM setup must be identified prior to using this role. Ensure that you select the correct devices/disks.
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##### Creating LVM
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###### /dev/sda5
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##### Extending LVM
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###### Current disk /dev/sda5
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###### New Disk /dev/sdb
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Role Variables
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--------------
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````
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---
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# defaults file for ansible-manage-lvm
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create_lvm: false #defines if lvm should be created when adding additional disks...should be defined in host_vars/host (do not set extend or resize to true)
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create_lvname: test-lv #define lvm name when adding additional disks...should be defined in host_vars/host
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create_lvsize: 100%FREE #defines the lvm lv size --- (10G) - would create new lvm with 10Gigabytes -- (512) - would create new lvm with 512m
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create_vgname: test-vg #defines the lvm vg name to create...
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extend_lvm: false #defines if lvm vg should be extended (do not set create to true)...should be defined in host_vars/host
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extend_lvname: test-lv #defines the lvm lv name to extend...should be defined in host_vars/host
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extend_vgname: test-vg #defines the lvm vg name to extend...should be defined in host_vars/host
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lvextend_options: '-L+10G' #defines the options to pass to lvextend --- ('-L+10G') - would increase by 10GB whereas ('-l +100%FREE') would increase to full capacity
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lvm_current_disk: /dev/sda5 #defines the disk currently configured for lvm...should be defined in host_vars/host
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lvm_extend_disks: '{{ lvm_current_disk }},{{ lvm_new_disk }}' #defines the disks to extend in lvm group...should be defined in host_vars/host
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lvm_filesystem: ext4 #defines the filesystem type to create when configuring lvm ( ext3, ext4, xfs, etc. )...should be defined in host_vars/host
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lvm_new_disk: /dev/sdb #defines the new disk being added to volume group...should be defined in host_vars/host
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lvm_new_mntp: /mnt/test #defines the desired mount point to be created and new logical volume to be mounted to...should be defined in host_vars/host
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resize_lvm: false #set to true if resizing the logical volume (do not set create to true)...should be defined in host_vars/host
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resize_lvname: test-lv #defines the logical volume name to resize...should be defined in host_vars/host
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resize_vgname: test-vg #defines the volume group name to resize...should be defined in host_vars/host
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````
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Dependencies
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------------
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None
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Example Playbook
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----------------
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#### Galaxy
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-----------
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- hosts: servers
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roles:
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- { role: mrlesmithjr.manage-lvm }
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#### GitHub
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-----------
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- hosts: servers
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roles:
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- ansible-manage-lvm
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License
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-------
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BSD
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Author Information
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------------------
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Larry Smith Jr.
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- @mrlesmithjr
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- http://everythingshouldbevirtual.com
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- mrlesmithjr [at] gmail.com
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---
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# defaults file for ansible-manage-lvm
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create_lvm: false #defines if lvm should be created when adding additional disks...should be defined in host_vars/host (do not set extend or resize to true)
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create_lvname: test-lv #define lvm name when adding additional disks...should be defined in host_vars/host
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create_lvsize: 100%FREE #defines the lvm lv size --- (10G) - would create new lvm with 10Gigabytes -- (512) - would create new lvm with 512m
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create_vgname: test-vg #defines the lvm vg name to create...
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extend_lvm: false #defines if lvm vg should be extended (do not set create to true)...should be defined in host_vars/host
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extend_lvname: test-lv #defines the lvm lv name to extend...should be defined in host_vars/host
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extend_vgname: test-vg #defines the lvm vg name to extend...should be defined in host_vars/host
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lvextend_options: '-L+10G' #defines the options to pass to lvextend --- ('-L+10G') - would increase by 10GB whereas ('-l +100%FREE') would increase to full capacity
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lvm_current_disk: /dev/sda5 #defines the disk currently configured for lvm...should be defined in host_vars/host
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lvm_extend_disks: '{{ lvm_current_disk }},{{ lvm_new_disk }}' #defines the disks to extend in lvm group...should be defined in host_vars/host
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lvm_filesystem: ext4 #defines the filesystem type to create when configuring lvm ( ext3, ext4, xfs, etc. )...should be defined in host_vars/host
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lvm_new_disk: /dev/sdb #defines the new disk being added to volume group...should be defined in host_vars/host
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lvm_new_mntp: /mnt/test #defines the desired mount point to be created and new logical volume to be mounted to...should be defined in host_vars/host
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resize_lvm: false #set to true if resizing the logical volume (do not set create to true)...should be defined in host_vars/host
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resize_lvname: test-lv #defines the logical volume name to resize...should be defined in host_vars/host
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resize_vgname: test-vg #defines the volume group name to resize...should be defined in host_vars/host
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---
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# handlers file for ansible-manage-lvm
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@ -0,0 +1,139 @@
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---
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galaxy_info:
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author: your name
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description:
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company: your company (optional)
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# If the issue tracker for your role is not on github, uncomment the
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# next line and provide a value
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# issue_tracker_url: http://example.com/issue/tracker
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# Some suggested licenses:
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# - BSD (default)
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# - MIT
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# - GPLv2
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# - GPLv3
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# - Apache
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# - CC-BY
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license: license (GPLv2, CC-BY, etc)
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min_ansible_version: 1.2
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#
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# Below are all platforms currently available. Just uncomment
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# the ones that apply to your role. If you don't see your
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# platform on this list, let us know and we'll get it added!
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#
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#platforms:
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#- name: EL
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# versions:
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# - all
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# - 5
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# - 6
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# - 7
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#- name: GenericUNIX
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# versions:
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# - all
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# - any
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#- name: Fedora
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# versions:
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||||
# - all
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# - 16
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# - 17
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# - 18
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# - 19
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# - 20
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# - 21
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# - 22
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#- name: Windows
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# versions:
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# - all
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# - 2012R2
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#- name: SmartOS
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# versions:
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# - all
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||||
# - any
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#- name: opensuse
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||||
# versions:
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# - all
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# - 12.1
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# - 12.2
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# - 12.3
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# - 13.1
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# - 13.2
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#- name: Amazon
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# versions:
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# - all
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# - 2013.03
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# - 2013.09
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#- name: GenericBSD
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||||
# versions:
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# - all
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||||
# - any
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||||
#- name: FreeBSD
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||||
# versions:
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||||
# - all
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||||
# - 8.0
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||||
# - 8.1
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||||
# - 8.2
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# - 8.3
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||||
# - 8.4
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||||
# - 9.0
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# - 9.1
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# - 9.1
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# - 9.2
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#- name: Ubuntu
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# versions:
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# - all
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# - lucid
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# - maverick
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# - natty
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# - oneiric
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# - precise
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# - quantal
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# - raring
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# - saucy
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# - trusty
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# - utopic
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# - vivid
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#- name: SLES
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# versions:
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# - all
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||||
# - 10SP3
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# - 10SP4
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# - 11
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# - 11SP1
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# - 11SP2
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# - 11SP3
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#- name: GenericLinux
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||||
# versions:
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# - all
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# - any
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#- name: Debian
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||||
# versions:
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# - all
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||||
# - etch
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# - jessie
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# - lenny
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# - squeeze
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# - wheezy
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#
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# Below are all categories currently available. Just as with
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# the platforms above, uncomment those that apply to your role.
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#
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#categories:
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#- cloud
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#- cloud:ec2
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#- cloud:gce
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#- cloud:rax
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#- clustering
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#- database
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#- database:nosql
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#- database:sql
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#- development
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#- monitoring
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#- networking
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#- packaging
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#- system
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#- web
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dependencies: []
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# List your role dependencies here, one per line.
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# Be sure to remove the '[]' above if you add dependencies
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# to this list.
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---
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- name: centos | installing lvm2
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yum:
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name: system-storage-manager
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state: present
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- name: centos | installing sg3_utils
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yum:
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name: sg3_utils
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state: present
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- name: centos | checking for scsi devices
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shell: sg_scan
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register: scsi_devices
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changed_when: False
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- name: centos | rescanning for new disks
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command: /usr/bin/rescan-scsi-bus.sh
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changed_when: False
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---
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- name: create_lvm | creating new LVM volume group
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lvg:
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vg: "{{ create_vgname }}"
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pvs: "{{ lvm_new_disk }}"
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state: present
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- name: create_lvm | creating new LVM logical volume
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lvol:
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vg: "{{ create_vgname }}"
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lv: "{{ create_lvname }}"
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size: "{{ create_lvsize }}"
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- name: create_lvm | creating new filesystem on new LVM logical volume
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filesystem:
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fstype: "{{ lvm_filesystem }}"
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dev: "/dev/{{ create_vgname }}/{{ create_lvname }}"
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- name: create_lvm | mounting new filesystem
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mount:
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name: "{{ lvm_new_mntp }}"
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src: "/dev/{{ create_vgname }}/{{ create_lvname }}"
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fstype: "{{ lvm_filesystem }}"
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state: mounted
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---
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- name: debian | installing pre-reqs
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apt:
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name: "{{ item }}"
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state: present
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with_items:
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- lvm2
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- scsitools
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- xfsprogs
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- name: debian | checking for scsi devices
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shell: sg_scan
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register: scsi_devices
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changed_when: False
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- name: debian | rescanning for new disks added
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command: /sbin/rescan-scsi-bus
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changed_when: False
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when: scsi_devices.stdout != ""
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---
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- name: extend_lvm | extending existing LVM volume group
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lvg:
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vg: "{{ extend_vgname }}"
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pvs: "{{ lvm_extend_disks }}"
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- name: extend_lvm | extending existing filesystem
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command: lvextend {{ lvextend_options }} /dev/{{ extend_vgname }}/{{ extend_lvname }}
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---
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# tasks file for ansible-manage-lvm
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- include: debian.yml
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when: ansible_os_family == "Debian"
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- include: centos.yml
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when: ansible_os_family == "RedHat"
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- include: create_lvm.yml
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when: create_lvm is defined and create_lvm
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- include: extend_lvm.yml
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when: extend_lvm is defined and extend_lvm
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- include: resize_lvm.yml
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when: resize_lvm is defined and resize_lvm
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---
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- name: resize_lvm | resizing filesystem
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command: resize2fs /dev/{{ resize_vgname }}/{{ resize_lvname }}
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@ -0,0 +1,2 @@
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---
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# vars file for ansible-manage-lvm
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