check required deployed application

check-application-requirements.py

def deployedApplication():
    return specification.deployedOrPreviousApplication

version = deployedApplication().version
environment_id = deployedApplication().environment.id

applicationRequirements = version.applicationRequirements
print "Checking Application Requirements: %s " % applicationRequirements
missingRequirements = []
for application in applicationRequirements.keys():
    required_application_id = "%s/%s" % (application, applicationRequirements[application])
    print "Application %s" % required_application_id
    deployedApplication_id = "%s/%s" % (environment_id, application)
    if not repositoryService.exists(deployedApplication_id):
        missingRequirements.append(required_application_id)
        continue

    deployedApplication = repositoryService.read(deployedApplication_id)
    deployedApplication_version_name = deployedApplication.version.name
    if deployedApplication_version_name == applicationRequirements[application]:
        print "The application %s is deployed on %s" % (required_application_id, environment_id)
        context.addStep(steps.jython(
            description = "Check '%s' is still deployed in '%s'" % (required_application_id, environment_id),
            order = 80,
            script_path = "requirement/step/check.py",
            jython_context = {"environment_id": environment_id,
                "required_application_id": required_application_id,
                "deployed_application_id": deployedApplication_id,
                "version_name": applicationRequirements[application]}
            ))
    else:
        missingRequirements.append(required_application_id)

if len(missingRequirements) > 0:
    raise Exception("required applications %s are not deployed in %s" % (missingRequirements, environment_id))

check.py

print "environment_id %s" % environment_id
print "required_application_id %s" % required_application_id
print "deployed_application_id %s" % deployed_application_id
print "version_name %s" % version_name

deployedApplication = repositoryService.read(deployed_application_id)
deployedApplication_version_name = deployedApplication.version.name
if deployedApplication_version_name == version_name:
    print "Application %s is still deployed in %s" %(required_application_id, environment_id)
else:
    raise Exception("Application %s is not deployed in %s" %(required_application_id, environment_id))

xl-rules.xml

 <rule name="check.application.requirements.in.the.current.environment" scope="pre-plan">
    <planning-script-path>requirements/planning/check-application-requirements.py</planning-script-path>
  </rule>