[Ovirt-devel] [PATCH server] Remove ununsed utils.rb file.
Ian Main
imain at redhat.com
Wed Jul 29 16:12:51 UTC 2009
Somehow I missed this.. this file is no longer in use by taskomatic.
Signed-off-by: Ian Main <imain at redhat.com>
---
src/task-omatic/utils.rb | 221 ----------------------------------------------
1 files changed, 0 insertions(+), 221 deletions(-)
delete mode 100644 src/task-omatic/utils.rb
diff --git a/src/task-omatic/utils.rb b/src/task-omatic/utils.rb
deleted file mode 100644
index e3005ed..0000000
--- a/src/task-omatic/utils.rb
+++ /dev/null
@@ -1,221 +0,0 @@
-require 'rexml/document'
-include REXML
-
-def String.random_alphanumeric(size=16)
- s = ""
- size.times { s << (i = Kernel.rand(62); i += ((i < 10) ? 48 : ((i < 36) ? 55 : 61 ))).chr }
- s
-end
-
-def all_storage_pools(conn)
- all_pools = conn.list_defined_storage_pools
- all_pools.concat(conn.list_storage_pools)
- return all_pools
-end
-
-def get_libvirt_lvm_pool_from_volume(db_volume)
- phys_volume = StorageVolume.find(:first, :conditions =>
- [ "lvm_pool_id = ?", db_volume.storage_pool_id])
-
- return LibvirtPool.factory(phys_volume.storage_pool)
-end
-
-class LibvirtPool
- def initialize(type, name = nil)
- @remote_pool = nil
- @build_on_start = true
- @remote_pool_defined = false
- @remote_pool_started = false
-
- if name == nil
- @name = type + "-" + String.random_alphanumeric
- else
- @name = name
- end
-
- @xml = Document.new
- @xml.add_element("pool", {"type" => type})
-
- @xml.root.add_element("name").add_text(@name)
-
- @xml.root.add_element("source")
-
- @xml.root.add_element("target")
- @xml.root.elements["target"].add_element("path")
- end
-
- def connect(conn)
- all_storage_pools(conn).each do |remote_pool_name|
- tmppool = conn.lookup_storage_pool_by_name(remote_pool_name)
-
- if self.xmlequal?(Document.new(tmppool.xml_desc).root)
- @remote_pool = tmppool
- break
- end
- end
-
- if @remote_pool == nil
- @remote_pool = conn.define_storage_pool_xml(@xml.to_s)
- # we need this because we don't necessarily want to "build" LVM pools,
- # which might destroy existing data
- if @build_on_start
- @remote_pool.build
- end
- @remote_pool_defined = true
- end
-
- if @remote_pool.info.state == Libvirt::StoragePool::INACTIVE
- # only try to start the pool if it is currently inactive; in all other
- # states, assume it is already running
- @remote_pool.create
- @remote_pool_started = true
- end
- end
-
- def list_volumes
- return @remote_pool.list_volumes
- end
-
- def lookup_vol_by_path(dev)
- return @remote_pool.lookup_volume_by_path(dev)
- end
-
- def lookup_vol_by_name(name)
- return @remote_pool.lookup_volume_by_name(name)
- end
-
- def create_vol(type, name, size, owner, group, mode)
- @vol_xml = Document.new
- @vol_xml.add_element("volume", {"type" => type})
- @vol_xml.root.add_element("name").add_text(name)
- @vol_xml.root.add_element("capacity", {"unit" => "K"}).add_text(size.to_s)
- @vol_xml.root.add_element("target")
- @vol_xml.root.elements["target"].add_element("permissions")
- @vol_xml.root.elements["target"].elements["permissions"].add_element("owner").add_text(owner)
- @vol_xml.root.elements["target"].elements["permissions"].add_element("group").add_text(group)
- @vol_xml.root.elements["target"].elements["permissions"].add_element("mode").add_text(mode)
- end
-
- def shutdown
- if @remote_pool_started
- @remote_pool.destroy
- end
- if @remote_pool_defined
- @remote_pool.undefine
- end
- end
-
- def xmlequal?(docroot)
- return false
- end
-
- def self.factory(pool)
- if pool[:type] == "IscsiStoragePool"
- return IscsiLibvirtPool.new(pool.ip_addr, pool[:target])
- elsif pool[:type] == "NfsStoragePool"
- return NFSLibvirtPool.new(pool.ip_addr, pool.export_path)
- elsif pool[:type] == "LvmStoragePool"
- # OK, if this is LVM storage, there are two cases we need to care about:
- # 1) this is a LUN with LVM already on it. In this case, all we need to
- # do is to create a new LV (== libvirt volume), and be done with it
- # 2) this LUN is blank, so there is no LVM on it already. In this
- # case, we need to pvcreate, vgcreate first (== libvirt pool build),
- # and *then* create the new LV (== libvirt volume) on top of that.
- #
- # We can tell the difference between an LVM Pool that exists and one
- # that needs to be created based on the value of the pool.state;
- # if it is PENDING_SETUP, we need to create it first
- phys_volume = StorageVolume.find(:first, :conditions =>
- [ "lvm_pool_id = ?", pool.id])
-
- return LVMLibvirtPool.new(pool.vg_name, phys_volume.path,
- pool.state == StoragePool::STATE_PENDING_SETUP)
- else
- raise "Unknown storage pool type " + pool[:type].to_s
- end
- end
-end
-
-class IscsiLibvirtPool < LibvirtPool
- def initialize(ip_addr, target)
- super('iscsi')
-
- @type = 'iscsi'
- @ipaddr = ip_addr
- @target = target
-
- @xml.root.elements["source"].add_element("host", {"name" => @ipaddr})
- @xml.root.elements["source"].add_element("device", {"path" => @target})
-
- @xml.root.elements["target"].elements["path"].text = "/dev/disk/by-id"
- end
-
- def xmlequal?(docroot)
- return (docroot.attributes['type'] == @type and
- docroot.elements['source'].elements['host'].attributes['name'] == @ipaddr and
- docroot.elements['source'].elements['device'].attributes['path'] == @target)
- end
-end
-
-class NFSLibvirtPool < LibvirtPool
- def initialize(ip_addr, export_path)
- super('netfs')
-
- @type = 'netfs'
- @host = ip_addr
- @remote_path = export_path
- @name = String.random_alphanumeric
-
- @xml.root.elements["source"].add_element("host", {"name" => @host})
- @xml.root.elements["source"].add_element("dir", {"path" => @remote_path})
- @xml.root.elements["source"].add_element("format", {"type" => "nfs"})
-
- @xml.root.elements["target"].elements["path"].text = "/mnt/" + @name
- end
-
- def create_vol(name, size, owner, group, mode)
- # FIXME: this can actually take some time to complete (since we aren't
- # doing sparse allocations at the moment). During that time, whichever
- # libvirtd we chose to use is completely hung up. The solution is 3-fold:
- # 1. Allow sparse allocations in the WUI front-end
- # 2. Make libvirtd multi-threaded
- # 3. Make taskomatic multi-threaded
- super("netfs", name, size, owner, group, mode)
-
- # FIXME: we have to add the format as raw here because of a bug in libvirt;
- # if you specify a volume with no format, it will crash libvirtd
- @vol_xml.root.elements["target"].add_element("format", {"type" => "raw"})
- @remote_pool.create_vol_xml(@vol_xml.to_s)
- end
-
- def xmlequal?(docroot)
- return (docroot.attributes['type'] == @type and
- docroot.elements['source'].elements['host'].attributes['name'] == @host and
- docroot.elements['source'].elements['dir'].attributes['path'] == @remote_path)
- end
-end
-
-class LVMLibvirtPool < LibvirtPool
- def initialize(vg_name, device, build_on_start)
- super('logical', vg_name)
-
- @type = 'logical'
- @build_on_start = build_on_start
-
- @xml.root.elements["source"].add_element("name").add_text(@name)
- @xml.root.elements["source"].add_element("device", {"path" => device})
-
- @xml.root.elements["target"].elements["path"].text = "/dev/" + @name
- end
-
- def create_vol(name, size, owner, group, mode)
- super("logical", name, size, owner, group, mode)
- @remote_pool.create_vol_xml(@vol_xml.to_s)
- end
-
- def xmlequal?(docroot)
- return (docroot.attributes['type'] == @type and
- docroot.elements['name'].text == @name and
- docroot.elements['source'].elements['name'] == @name)
- end
-end
--
1.6.2.5
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