first version of __dog_vdi
Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
This commit is contained in:
Nico Schottelius
parent
ff8f7ac287
commit
b22b581b67
6 changed files with 81 additions and 26 deletions
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@ -1,19 +1,42 @@
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################################################################################
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# State: absent is handled by manifest - we need only to do stuff if image is
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# not existing and state != absent
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#!/bin/sh
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#
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state="$(cat "$__object/parameter/state")"
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[ "$state" = "absent" ] && exit 0
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exists="$(cat "$__object/explorer/exists")"
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[ "$exists" ] && exit 0
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################################################################################
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# Still there? Create image
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# 2014 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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format="$(cat "$__object/parameter/format")"
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size="$(cat "$__object/parameter/size")"
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diskimage="/$__object_id"
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state_should="$(cat "$__object/parameter/state")"
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num_vdi_lines=$(wc -l < "$__object/explorer/list")
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name="$__object_id"
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echo qemu-img create -f \"$format\" \"$diskimage\" \"$size\"
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if [ "$num_vdi_lines" = 1 ]; then
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state_is=present
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else
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state_is=absent
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fi
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[ "$state_is" = "$state_should" ] && exit 0
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case "$state_should" in
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present)
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size="$(cat "$__object/parameter/size")"
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echo "dog vdi create '$name' '$size'"
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;;
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absent)
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echo "dog vdi delete '$name'"
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;;
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esac
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@ -10,20 +10,19 @@ cdist-type__dog_vdi - Manage Sheepdog VM images
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DESCRIPTION
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-----------
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The dog program is used to create qemu images for
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qemu and (qemu-)kvm.
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REQUIRED PARAMETERS
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-------------------
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size::
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Size of the image in dog vdi compatible units.
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The dog program is used to create images for sheepdog
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to be used in qemu.
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OPTIONAL PARAMETERS
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-------------------
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state::
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Either "present" or "absent", defaults to "present"
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size::
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Size of the image in dog vdi compatible units.
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Required if state == present.
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EXAMPLES
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@ -33,8 +32,14 @@ EXAMPLES
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# Create a 50G size image
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__dog_vdi nico-privat.sky.ungleich.ch --size 50G
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# Create a 50G size image (more explicit)
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__dog_vdi nico-privat.sky.ungleich.ch --size 50G --state present
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# Remove image
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__dog_vdi nico-privat.sky.ungleich.ch --state absent
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# Remove image - keeping --size is ok
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__dog_vdi nico-privat.sky.ungleich.ch --size 50G --state absent
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--------------------------------------------------------------------------------
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@ -42,6 +47,7 @@ SEE ALSO
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--------
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- cdist-type(7)
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- dog(8)
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- qemu(1)
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COPYING
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28
cdist/conf/type/__dog_vdi/manifest
Normal file
28
cdist/conf/type/__dog_vdi/manifest
Normal file
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@ -0,0 +1,28 @@
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#!/bin/sh
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#
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# 2014 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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state_should="$(cat "$__object/parameter/state")"
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if [ "$state_should" = "present" ]; then
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if [ ! -f "$__object/parameter/size" ]; then
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echo "Size is required when state is present" >&2
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exit 1
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fi
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fi
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@ -1 +0,0 @@
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qcow2
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@ -1,2 +1,2 @@
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format
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state
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size
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@ -1 +0,0 @@
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size
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