Capacity variable is ignored on primary host

[mbrunnert]

The capacity variable is ignored on the primary host. This leads to the capacity always being set to the default (85%) on the primary host.

Compare:

• ansible-elastic-cloud-enterprise/tasks/ece-bootstrap/primary/install_stack.yml

  Lines 2 to 15 in 955765c

  	- name: Execute the primary installation
  	shell: /home/elastic/elastic-cloud-enterprise.sh
  	install
  	--availability-zone {{ availability_zone }}
  	--cloud-enterprise-version {{ ece_version }}
  	--docker-registry {{ ece_docker_registry }}
  	--ece-docker-repository {{ ece_docker_repository }}
  	--memory-settings '{{ memory_settings }}'
  	--runner-id {{ ece_runner_id }}
  	--host-storage-path {{ data_dir }}/elastic
  	{{ extra_installer_args }}
  	become: yes
  	become_method: sudo
  	become_user: elastic

• ansible-elastic-cloud-enterprise/tasks/ece-bootstrap/secondary/install_stack.yml

  Lines 22 to 39 in 955765c

  	- name: Execute installation
  	shell: /home/elastic/elastic-cloud-enterprise.sh
  	--coordinator-host {{ primary_hostname }}
  	--roles-token '{{ roles_token.json.token }}'
  	--roles '{{ ece_roles | join(',') }}'
  	--availability-zone {{ availability_zone }}
  	--cloud-enterprise-version {{ ece_version }}
  	--docker-registry {{ ece_docker_registry }}
  	--ece-docker-repository {{ ece_docker_repository }}
  	--host-storage-path {{ data_dir }}/elastic
  	--memory-settings '{{ memory_settings }}'
  	--runner-id {{ ece_runner_id }}{% if capacity is defined %}
  	--capacity {{ capacity }}{% endif %}
  	{{ extra_installer_args }}
  	become: yes
  	become_method: sudo
  	become_user: elastic
  	register: installation