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Merge pull request #179 from honza801/master

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patch for cloning rbd images
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Anatoliy Guskov 2018-09-09 20:09:31 +03:00 committed by GitHub
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3 changed files with 48 additions and 2 deletions
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21
README.md
View file

@ -32,7 +32,7 @@ print(''.join([random.SystemRandom().choice(haystack) for _ in range(50)]))
### Install WebVirtCloud panel (Ubuntu)
```bash
sudo apt-get -y install git python-virtualenv python-dev python-lxml libvirt-dev zlib1g-dev libxslt1-dev nginx supervisor libsasl2-modules gcc pkg-config python-guestfs
sudo apt-get -y install git virtualenv python-virtualenv python-dev python-lxml libvirt-dev zlib1g-dev libxslt1-dev nginx supervisor libsasl2-modules gcc pkg-config python-guestfs
git clone https://github.com/retspen/webvirtcloud
cd webvirtcloud
cp webvirtcloud/settings.py.template webvirtcloud/settings.py
@ -219,6 +219,25 @@ login: admin
password: admin
</pre>
### Configuring Compute SSH connection
This is a short example of configuring cloud and compute side of the ssh connection.
On the webvirtcloud machine you need to generate ssh keys and optionally disable StrictHostKeyChecking.
```
chown www-data -R ~www-data
sudo -u www-data ssh-keygen
cat > ~www-data/.ssh/config << EOF
Host *
StrictHostKeyChecking no
EOF
chown www-data -R ~www-data/.ssh/config
```
You need to put cloud public key into authorized keys on the compute node. Simpliest way of doing this is to use ssh tool from the webvirtcloud server.
```
sudo -u www-data ssh-copy-id root@compute1
```
### Cloud-init
Currently supports only root ssh authorized keys and hostname. Example configuration of the cloud-init client follows.
```

2
instances/templates/instance.html
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@ -1279,6 +1279,8 @@
image = new_vname + "-" + disk_minus_suffix;
} else if (disk_name.lastIndexOf('.') > -1 && disk_dot_suffix.length <= 7) {
image = new_vname + "." + disk_dot_suffix
} else if (new_vname != disk_name) {
image = new_vname
} else {
image = new_vname + '-clone';
}

27
vrtManager/instance.py
View file

@ -245,7 +245,10 @@ class wvmInstance(wvmConnect):
try:
dev = disk.xpath('target/@dev')[0]
src_fl = disk.xpath('source/@file|source/@dev|source/@name|source/@volume')[0]
disk_format = disk.xpath('driver/@type')[0]
try:
disk_format = disk.xpath('driver/@type')[0]
except:
pass
try:
vol = self.get_volume_by_path(src_fl)
volume = vol.name()
@ -719,6 +722,28 @@ class wvmInstance(wvmConnect):
stg = vol.storagePoolLookupByVolume()
stg.createXMLFrom(vol_clone_xml, vol, meta_prealloc)
source_protocol = elm.get('protocol')
if source_protocol == 'rbd':
source_name = elm.get('name')
clone_name = "%s/%s" % (os.path.dirname(source_name), target_file)
elm.set('name', clone_name)
vol = self.get_volume_by_path(source_name)
vol_format = util.get_xml_path(vol.XMLDesc(0),
"/volume/target/format/@type")
vol_clone_xml = """
<volume type='network'>
<name>%s</name>
<capacity>0</capacity>
<allocation>0</allocation>
<target>
<format type='%s'/>
</target>
</volume>""" % (target_file, vol_format)
stg = vol.storagePoolLookupByVolume()
stg.createXMLFrom(vol_clone_xml, vol, meta_prealloc)
source_dev = elm.get('dev')
if source_dev:
clone_path = os.path.join(os.path.dirname(source_dev), target_file)