first version of __dog_vdi

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
This commit is contained in:
Nico Schottelius 2014-03-31 14:26:14 +02:00
parent ff8f7ac287
commit b22b581b67
6 changed files with 81 additions and 26 deletions

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@ -1,19 +1,42 @@
################################################################################
# State: absent is handled by manifest - we need only to do stuff if image is
# not existing and state != absent
#!/bin/sh
#
state="$(cat "$__object/parameter/state")"
[ "$state" = "absent" ] && exit 0
exists="$(cat "$__object/explorer/exists")"
[ "$exists" ] && exit 0
################################################################################
# Still there? Create image
# 2014 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
format="$(cat "$__object/parameter/format")"
size="$(cat "$__object/parameter/size")"
diskimage="/$__object_id"
state_should="$(cat "$__object/parameter/state")"
num_vdi_lines=$(wc -l < "$__object/explorer/list")
name="$__object_id"
echo qemu-img create -f \"$format\" \"$diskimage\" \"$size\"
if [ "$num_vdi_lines" = 1 ]; then
state_is=present
else
state_is=absent
fi
[ "$state_is" = "$state_should" ] && exit 0
case "$state_should" in
present)
size="$(cat "$__object/parameter/size")"
echo "dog vdi create '$name' '$size'"
;;
absent)
echo "dog vdi delete '$name'"
;;
esac

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@ -10,20 +10,19 @@ cdist-type__dog_vdi - Manage Sheepdog VM images
DESCRIPTION
-----------
The dog program is used to create qemu images for
qemu and (qemu-)kvm.
REQUIRED PARAMETERS
-------------------
size::
Size of the image in dog vdi compatible units.
The dog program is used to create images for sheepdog
to be used in qemu.
OPTIONAL PARAMETERS
-------------------
state::
Either "present" or "absent", defaults to "present"
size::
Size of the image in dog vdi compatible units.
Required if state == present.
EXAMPLES
@ -33,8 +32,14 @@ EXAMPLES
# Create a 50G size image
__dog_vdi nico-privat.sky.ungleich.ch --size 50G
# Create a 50G size image (more explicit)
__dog_vdi nico-privat.sky.ungleich.ch --size 50G --state present
# Remove image
__dog_vdi nico-privat.sky.ungleich.ch --state absent
# Remove image - keeping --size is ok
__dog_vdi nico-privat.sky.ungleich.ch --size 50G --state absent
--------------------------------------------------------------------------------
@ -42,6 +47,7 @@ SEE ALSO
--------
- cdist-type(7)
- dog(8)
- qemu(1)
COPYING

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@ -0,0 +1,28 @@
#!/bin/sh
#
# 2014 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
state_should="$(cat "$__object/parameter/state")"
if [ "$state_should" = "present" ]; then
if [ ! -f "$__object/parameter/size" ]; then
echo "Size is required when state is present" >&2
exit 1
fi
fi

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@ -1 +0,0 @@
qcow2

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@ -1,2 +1,2 @@
format
state
size

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@ -1 +0,0 @@
size