def userdata(request):
"""Provide file download of user-data to re-start an instance.
"""
ec2data = request.session["ec2data"]
response = HttpResponse(mimetype='text/plain')
response['Content-Disposition'] = 'attachment; filename={cluster_name}-userdata.txt'.format(
**ec2data)
form = request.session["ec2data"]
cml = CloudManLaunch(form["access_key"], form["secret_key"], form['cloud'])
ud = cml._compose_user_data(ec2data)
response.write(ud)
return response
def runinstance(request):
"""Run a CloudBioLinux/CloudMan instance with current session credentials.
"""
form = request.session["ec2data"]
rs = None
instance_type = form['instance_type']
# Create cloudman connection with provided creds
cml = CloudManLaunch(form["access_key"], form["secret_key"], form['cloud'])
form["freenxpass"] = form["password"]
if form['image_id']:
image = models.Image.objects.get(pk=form['image_id'])
else:
try:
image = models.Image.objects.get(cloud=form['cloud'], default=True)
except models.Image.DoesNotExist:
log.error("Cannot find an image to launch for cloud {0}".format(form['cloud']))
return False
response = cml.launch(cluster_name=form['cluster_name'],
image_id=image.image_id,
instance_type=instance_type,
password=form["password"],
kernel_id=image.kernel_id if image.kernel_id != '' else None,
ramdisk_id=image.ramdisk_id if image.ramdisk_id != '' else None,
placement=form['placement'])
request.session['ec2data']['instance_id'] = response.get('instance_id', None)
request.session['ec2data']['public_ip'] = response.get('instance_ip', None)
request.session['ec2data']['image_id'] = image.image_id
request.session['ec2data']['kp_name'] = response.get('kp_name', None)
request.session['ec2data']['kp_material'] = response.get('kp_material', None)
sg_name = response.get('sg_names', [])
if len(sg_name) > 0:
request.session['ec2data']['sg_name'] = sg_name[0]
else:
request.session['ec2data']['sg_name'] = 'N/A'
# Add an entry to the Usage table
try:
u = models.Usage(cloud_name=form["cloud_name"],
cloud_type=form["cloud_type"],
image_id=image.image_id,
instance_type=instance_type,
user_id=form["access_key"])
u.save()
except Exception, e:
log.debug("Trouble saving Usage data: {0}".format(e))
def _get_placement_inner(request):
if request.is_ajax():
if request.method == 'POST':
cloud_id = request.POST.get('cloud_id', '')
a_key = request.POST.get('a_key', '')
s_key = request.POST.get('s_key', '')
inst_type = request.POST.get('instance_type', '')
placements = []
if cloud_id != '' and a_key != '' and s_key != '':
# Needed to get the cloud connection
cloud = models.Cloud.objects.get(pk=cloud_id)
#log.debug("Getting placement for {0} on {1} cloud"\
#.format(inst_type, cloud.name))
cml = CloudManLaunch(a_key, s_key, cloud)
placements = cml._find_placements(cml.ec2_conn, inst_type, cloud.cloud_type)
return {'placements': placements}
else:
log.error("Not a POST request")
else:
log.error("No XHR")
return {"error": "Please specify access and secret keys", "placements": []}
def instancestate(request):
form = request.session["ec2data"]
cml = CloudManLaunch(form["access_key"], form["secret_key"], form['cloud'])
state = cml.get_status(form["instance_id"])
return HttpResponse(simplejson.dumps(state), mimetype="application/json")
