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# GlusterFS module by James
# Copyright (C) 2010-2013+ James Shubin
# Written by James Shubin <james@shubin.ca>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
class gluster::wrapper(
$nodetree,
$volumetree,
$vip = '', # vip of the cluster (optional but recommended)
$nfs = false, # TODO in server.pp
$shorewall = false,
$zone = 'net', # TODO: allow a list of zones
$allow = 'all'
) {
#
# build gluster::server
#
$hosts = split(inline_template("<%= @nodetree.keys.join(',') %>"), ',')
$ips = split(inline_template('<%= @nodetree.map{ |host,value| \'#{value["ip"]}\' }.join(",") %>'), ',')
class { 'gluster::server':
hosts => $hosts,
ips => $ips,
#XXX: TODO? clients => XXX,
nfs => $nfs,
shorewall => $shorewall,
zone => $zone,
allow => $allow,
}
#
# build gluster::host
#
# EXAMPLE:
#gluster::host { 'annex1.example.com':
# # use uuidgen to make these
# uuid => '1f660ca2-2c78-4aa0-8f4d-21608218c69c',
#}
# filter the nodetree so that only host elements with uuid's are left
# XXX: each_with_object doesn't exist in rhel6 ruby, so use inject
#$hosttree = inline_template('<%= @nodetree.each_with_object({}) {|(x,y), h| h[x] = y.select{ |key,value| ["uuid"].include?(key) } }.to_yaml %>')
$hosttree = inline_template('<%= @nodetree.inject({}) {|h, (x,y)| h[x] = y.select{ |key,value| ["uuid"].include?(key) }; h }.to_yaml %>')
# newhash = oldhash.inject({}) { |h,(k,v)| h[k] = some_operation(v); h } # XXX: does this form work ?
$yaml_host = parseyaml($hosttree)
create_resources('gluster::host', $yaml_host)
#
# build gluster::brick
#
# EXAMPLE:
#gluster::brick { 'annex1.example.com:/mnt/storage1a':
# dev => '/dev/disk/by-id/scsi-36003048007e26c00173ad3b633a2ef67', # /dev/sda
# labeltype => 'gpt',
# fstype => 'xfs',
# fsuuid => '1ae49642-7f34-4886-8d23-685d13867fb1',
# xfs_inode64 => true,
# xfs_nobarrier => true,
# areyousure => true,
#}
# filter the nodetree and build out each brick element from the hosts
$bricktree = inline_template('<%= r = {}; @nodetree.each {|x,y| y["bricks"].each {|k,v| r[x+":"+k] = v} }; r.to_yaml %>')
# this version removes any invalid keys from the brick specifications
#$bricktree = inline_template('<%= r = {}; @nodetree.each {|x,y| y["bricks"].each {|k,v| r[x+":"+k] = v.select{ |key,value| ["dev", "labeltype", "fstype", "fsuuid", "..."].include?(key) } } }; r.to_yaml %>')
$yaml_brick = parseyaml($bricktree)
create_resources('gluster::brick', $yaml_brick)
#
# build gluster::volume
#
# EXAMPLE:
#gluster::volume { 'examplevol':
# replica => 2,
# bricks => $brick_list,
# start => undef, # i'll start this myself
#}
# to be used as default gluster::volume brick list
$bricklist = split(inline_template("<%= @bricktree.keys.join(',') %>"), ',')
# semi ok method:
#$volumetree_defaults_all = {
# "bricks" => $bricklist,
# "transport" => 'tcp',
# "replica" => 1,
# "stripe" => 1,
# "vip" => $vip,
# "start" => undef, # ?
#}
#$semi_ok = inline_template('<%= @volumetree.each_with_object({}) {|(x,y), h| h[x] = @volumetree_defaults_all.each_with_object({}) {|(xx,yy), hh| hh[xx] = y.fetch(xx, @volumetree_defaults_all[xx])} }.to_yaml %>')
# good method
$volumetree_defaults = {
'bricks' => $bricklist,
'vip' => $vip,
}
# loop through volumetree... if special defaults are missing, then add!
$volumetree_updated = inline_template('<%= @volumetree.each_with_object({}) {|(x,y), h| h[x] = y; @volumetree_defaults.each {|k,v| h[k] = h.fetch(k, v)} }.to_yaml %>')
$yaml_volume = parseyaml($volumetree_updated)
create_resources('gluster::volume', $yaml_volume)
#
# build gluster::volume::property (auth.allow)
#
# EXAMPLE:
#gluster::volume::property { 'examplevol#auth.allow':
# value => '192.0.2.13,198.51.100.42,203.0.113.69',
#}
#$simplewrongname = inline_template('<%= @volumetree.each_with_object({}) {|(x,y), h| h[x+"#auth.allow"] = y.select{ |key,value| ["clients"].include?(key) } }.to_yaml %>')
$propertytree = inline_template('<%= @volumetree.each_with_object({}) {|(x,y), h| h[x+"#auth.allow"] = { "value" => y.fetch("clients", []) } }.to_yaml %>')
$yaml_volume_property = parseyaml($propertytree)
create_resources('gluster::volume::property', $yaml_volume_property)
}
# vim: ts=8
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