def get_next_provider(self, image_id):
try:
instances = Instance.objects.filter(policy=self).all()
except ObjectDoesNotExist:
instances = []
num_provider_instances = defaultdict(lambda:0)
for instance in instances:
num_provider_instances[instance.provider] += 1
for policyburstingprovider in self.policyburstingproviders_set.all():
# Check for capacity
if policyburstingprovider.capacity < 0 or \
num_provider_instances[policyburstingprovider.provider] < \
policyburstingprovider.capacity:
provider = policyburstingprovider.provider
# Make sure there is a matching RealImage
count = RealImage.objects.filter(provider=provider,
aggregate_image__id=image_id).count()
if count >= 1:
return policyburstingprovider.provider
else:
#TODO: Return error code
log.error('No real image image found for provider "%s" and ' \
'image_id "%s"' % (provider, image_id))
log.error("No suitable provider found in cloudbursting policy %s." %
self.id)
return None #TODO: Return error code
def add_user(self, username, password):
try:
output = self.node.ssh_run_command(["NET", "USER", username, password, "/ADD"])
if output.find("The command completed successfully.") > -1:
log.debug("User %s has been created" % username)
elif output.find("The account already exists.") > -1:
log.debug("User %s already exists, going to try to set the password" % username)
output = self.change_user_password(username, password)
if output.find("The command completed successfully.") > -1:
log.debug("THE PASSWORD WAS RESET")
else:
error_string = (
"An unknown error occured while trying to set the password for user %s on machine %s. The error from the machine was %s"
% (username, self.ip, output)
)
log.error(error_string)
return False, error_string
else:
error_string = (
"An unknown error occured while trying to create user %s on machine %s. The error from the machine was %s"
% (username, self.ip, output)
)
log.error(error_string)
return False, error_string
return True, ""
except HostNotConnectableError:
return False, ""
def create(request, projectname):
"""Create and deploy a new project. Displays the form to do so on GET, goes
and does a create + deploy operation on POST.
Also has the feature to pre-fill out the form from an incomming JSON token.
"""
if request.method == "POST" and \
request.META['CONTENT_TYPE'].find("application/x-www-form-urlencoded") != -1:
# If the submitted type is not form encoded data, it's probably a json
# spec of applications, which should instead go to populate and display
# the forms.
pform = forms.ProjectForm(request.POST)
appsform = forms.AppFormSet(request.POST)
dform = forms.DeploymentForm(request.POST, noactive=True)
allforms = [pform, appsform, dform]
# If forms aren't valid, fall through and display the (invalid) forms
# with error text
if all(f.is_valid() for f in allforms):
log.info("Preparing to create+deploy %s", projectname)
pdata = pform.cleaned_data
# Create the deployment object to do some early validation checks
deployment = models.DeployedProject()
deployment.name = projectname
deployment.owner = request.user
deployment.full_clean()
# Configure the new project. None of these actions actually execute
# until we enter the try block below
builder = opus.lib.builder.ProjectBuilder(projectname)
for appdata in appsform.cleaned_data:
if not appdata:
# Left blank, nothing to add
continue
log.debug(" ... with app %r", appdata['apppath'])
builder.add_app(appdata['appname'], appdata['apppath'],
appdata['apptype'])
if pdata['idprovider'] != 'local':
log.debug(" ... and the idp app %r", pdata['idprovider'])
appname, apptype, apppath = \
settings.OPUS_ALLOWED_AUTH_APPS[pdata['idprovider']]
builder.add_app(appname, apppath, apptype)
# Now actually execute the tasks. This is done in a try block which
# catches all exceptions so that we can roll back failed partial
# deployments in any error cases.
log.debug("Executing create action on %r...", projectname)
try:
# Create the project directory
projectdir = builder.create(settings.OPUS_BASE_DIR)
log.info("%r created, starting deploy process", projectname)
# Prepare deployment parameters
info = models.DeploymentInfo()
info.dbengine = dform.cleaned_data['dbengine']
# If requested, create a database for it
if info.dbengine == "postgresql_psycopg2" and \
settings.OPUS_AUTO_POSTGRES_CONFIG:
autodb = opus.project.deployment.database.\
setup_postgres(projectname)
info.dbname, info.dbuser, info.dbpassword, \
info.dbhost, info.dbport = autodb
elif info.dbengine == "sqlite3":
# SQLite database locations get set automatically by the
# deployment libraries. No other options are set.
# SQLite is handled differently (as far as the location of
# the code) since the file must be secured properly. So
# the deployer handles that correctly along side its
# routines to change permissions on the directory.
pass
else:
info.dbname = dform.cleaned_data['dbname']
info.dbuser = dform.cleaned_data['dbuser']
info.dbpassword = dform.cleaned_data['dbpassword']
info.dbhost = dform.cleaned_data['dbhost']
info.dbport = dform.cleaned_data['dbport']
info.superusername = dform.cleaned_data['superusername']
info.superemail = dform.cleaned_data['superemail']
info.superpassword = dform.cleaned_data['superpassword']
# Deploy it now! But don't activate it.
deployment.deploy(info, False)
deployment.set_debug(dform.cleaned_data['debug'])
deployment.save()
except Exception, e:
# The project didn't deploy for whatever reason. Delete the
# project directory and re-raise the exception
# Careful that this method isn't called on an existing project,
# since it could be tricked into deleting an existing project.
# edit_or_create() ought to check that for us, this function
# shouldn't be called on an existing project.
log.error("Project didn't fully create or deploy, rolling back deployment. %s", e)
# Schedule a task to delete the project
tasks.destroy_project_by_name.delay(deployment.name)
raise
log.info("Project %r successfully deployed", projectname)
return redirect("opus.project.deployment.views.set_app_settings", projectname)
else:
log.debug(request.POST)
log.debug("Create view called, but forms didn't validate")
