def start(self):
from webapp.libs.openstack import flavor_verify_install
from webapp.libs.openstack import image_verify_install
from webapp.libs.openstack import instance_start
# build the response
response = {"response": "success", "result": {"message": ""}}
# appliance
appliance = Appliance().get()
# load the callback url (expected to be None)
callback_url = self.callback_url
# check if instance needs to reset
epoch_time = int(time.time())
if self.expires < epoch_time:
# instance time expired, so don't start
self.state = 1
self.update()
response['response'] = "error"
response['result']['message'] = "Instance payment is expired. Now waiting on payment."
# we run a maximum of 7 callback checks
for loop_count in range(7):
# make a call to the callback url to get instance details
next_state = 3 # hack the expected next state into the pool packet
pool_response = pool_instance(url=callback_url, instance=self, next_state=next_state, appliance=appliance)
# check for a failure to contact the callback server
if pool_response['response'] == "error":
self.message = pool_response['result']['message']
self.message_count = self.message_count + 1
self.update()
return pool_response
# look and see if we have a callback_url in the response
try:
callback_url = pool_response['result']['instance']['callback_url']
# run the loop again to call the callback url
continue
except:
# break out
break
# for else returns a depth error
else:
response['response'] = "error"
response['result']['message'] = "Callback depth exceeded."
self.message = response['result']['message']
self.message_count = self.message_count + 1
self.update()
return response
# and lo, callback_url is saved
self.callback_url = callback_url
self.update()
# get the image name if it exists in the response
try:
image_name = pool_response['result']['instance']['image']
image = db.session.query(Images).filter_by(name=image_name).first()
self.image_id = image.id
self.update()
except:
image_name = None
# get the dynamic image url if it exists in the response
try:
dynamic_image_url = pool_response['result']['instance']['dynamic_image_url']
self.dynamic_image_url = dynamic_image_url
self.update()
except:
# not good, but we can use a default
image = db.session.query(Images).first()
self.image_id = image.id
self.update()
# post creation file is blank to start
post_creation_ssh_key_combo = ""
# load the parser to unencode jinja2 template escaping from appliance
h = HTMLParser()
# ssh_key unrolling
try:
ssh_key = pool_response['result']['instance']['ssh_key'] # an array
# loop through both strings and cat onto post_creation_ssh_key_combo
# using prefered method of injecting keys with cloud-init
post_creation_ssh_key_combo += "#cloud-config\n"
post_creation_ssh_key_combo += "ssh_authorized_keys:\n"
for line in ssh_key:
post_creation_ssh_key_combo += " - %s\n" % h.unescape(line)
post_creation_ssh_key_combo += "\n"
except:
# do nothing on various key failure
pass
# post creation configuration handling
try:
post_creation = pool_response['result']['instance']['post_creation'] # an array
for line in post_creation:
# import what the user put in the textbox for their wisp
post_creation_ssh_key_combo += "%s\n" % h.unescape(line)
except:
# do nothing on post creation failure
pass
# update the instance with post creation
self.post_creation = post_creation_ssh_key_combo
self.update()
# take the instance's flavor and verify install
flavor = Flavors().get_by_id(self.flavor.id)
osflavor = flavor_verify_install(flavor)
if osflavor['response'] == "error":
# we've failed to install flavor, so we disable it
flavor.osid = ""
flavor.active = 0
flavor.update()
# now we disable the other instances using the flavor
instances = Instances()
instances.toggle(flavor.id, 0)
# disable this instance
self.state = 0
self.expires = self.created # zeros out the payment
self.update()
# log it
app.logger.error("Disabling all instances using flavor=(%s) due to OpenStack failure." % flavor.name)
# build the response and return
response['response'] = "error"
response['result']['message'] = "Error creating flavor inside OpenStack."
return response
# deal with creating dynamic image or use predefined one
if self.dynamic_image_url:
image = Images().get_or_create_by_instance(self)
else:
image = Images().get_by_id(self.image.id)
if not image:
response['response'] = "error"
response['result']['message'] = "Error creating dynamic image."
return response
else:
self.image = image
self.update()
# take the image and verify install
osimage = image_verify_install(self.image)
# handle failures of either flavor or image
if osimage['response'] == "error":
response['response'] = "error"
response['result']['message'] = "Error creating image."
return response
# tell openstack to start the instance
cluster_response = instance_start(self)
# process response
if cluster_response['response'] == "success":
server = cluster_response['result']['server']
self.osid = server.id # assign openstack instance id
self.state = 3 # mark as starting
self.update()
response['result'] = cluster_response['result']
else:
response = cluster_response
return response
def start(self):
from webapp.libs.openstack import flavor_verify_install
from webapp.libs.openstack import image_verify_install
from webapp.libs.openstack import instance_start
# build the response
response = {"response": "success", "result": {"message": ""}}
# appliance
appliance = Appliance().get()
# load the callback url (expected to be None)
callback_url = self.callback_url
# check if instance needs to reset
epoch_time = int(time.time())
if self.expires < epoch_time:
# instance time expired, so don't start
self.state = 1
self.update()
response['response'] = "error"
response['result'][
'message'] = "Instance payment is expired. Now waiting on payment."
# we run a maximum of 7 callback checks
for loop_count in range(7):
# make a call to the callback url to get instance details
next_state = 3 # hack the expected next state into the pool packet
pool_response = pool_instance(url=callback_url,
instance=self,
next_state=next_state,
appliance=appliance)
# check for a failure to contact the callback server
if pool_response['response'] == "error":
self.message = pool_response['result']['message']
self.message_count = self.message_count + 1
self.update()
return pool_response
# look and see if we have a callback_url in the response
try:
callback_url = pool_response['result']['instance'][
'callback_url']
# run the loop again to call the callback url
continue
except:
# break out
break
# for else returns a depth error
else:
response['response'] = "error"
response['result']['message'] = "Callback depth exceeded."
self.message = response['result']['message']
self.message_count = self.message_count + 1
self.update()
return response
# and lo, callback_url is saved
self.callback_url = callback_url
self.update()
# get the image name if it exists in the response
try:
image_name = pool_response['result']['instance']['image']
image = db.session.query(Images).filter_by(name=image_name).first()
self.image_id = image.id
self.update()
except:
image_name = None
# get the dynamic image url if it exists in the response
try:
dynamic_image_url = pool_response['result']['instance'][
'dynamic_image_url']
self.dynamic_image_url = dynamic_image_url
self.update()
except:
# not good, but we can use a default
image = db.session.query(Images).first()
self.image_id = image.id
self.update()
# post creation file is blank to start
post_creation_ssh_key_combo = ""
# load the parser to unencode jinja2 template escaping from appliance
h = HTMLParser()
# ssh_key unrolling
try:
ssh_key = pool_response['result']['instance'][
'ssh_key'] # an array
# loop through both strings and cat onto post_creation_ssh_key_combo
# using prefered method of injecting keys with cloud-init
post_creation_ssh_key_combo += "#cloud-config\n"
post_creation_ssh_key_combo += "ssh_authorized_keys:\n"
for line in ssh_key:
post_creation_ssh_key_combo += " - %s\n" % h.unescape(line)
post_creation_ssh_key_combo += "\n"
except:
# do nothing on various key failure
pass
# post creation configuration handling
try:
post_creation = pool_response['result']['instance'][
'post_creation'] # an array
for line in post_creation:
# import what the user put in the textbox for their wisp
post_creation_ssh_key_combo += "%s\n" % h.unescape(line)
except:
# do nothing on post creation failure
pass
# update the instance with post creation
self.post_creation = post_creation_ssh_key_combo
self.update()
# take the instance's flavor and verify install
flavor = Flavors().get_by_id(self.flavor.id)
osflavor = flavor_verify_install(flavor)
if osflavor['response'] == "error":
# we've failed to install flavor, so we disable it
flavor.osid = ""
flavor.active = 0
flavor.update()
# now we disable the other instances using the flavor
instances = Instances()
instances.toggle(flavor.id, 0)
# disable this instance
self.state = 0
self.expires = self.created # zeros out the payment
self.update()
# log it
app.logger.error(
"Disabling all instances using flavor=(%s) due to OpenStack failure."
% flavor.name)
# build the response and return
response['response'] = "error"
response['result'][
'message'] = "Error creating flavor inside OpenStack."
return response
# deal with creating dynamic image or use predefined one
if self.dynamic_image_url:
image = Images().get_or_create_by_instance(self)
else:
image = Images().get_by_id(self.image.id)
if not image:
response['response'] = "error"
response['result']['message'] = "Error creating dynamic image."
return response
else:
self.image = image
self.update()
# take the image and verify install
osimage = image_verify_install(self.image)
# handle failures of either flavor or image
if osimage['response'] == "error":
response['response'] = "error"
response['result']['message'] = "Error creating image."
return response
# tell openstack to start the instance
cluster_response = instance_start(self)
# process response
if cluster_response['response'] == "success":
server = cluster_response['result']['server']
self.osid = server.id # assign openstack instance id
self.state = 3 # mark as starting
self.update()
response['result'] = cluster_response['result']
else:
response = cluster_response
return response
