fixed code to work with python3.7 (#1608)

* fixed code to work with python3.7

* removed trailing whitespaces and re-run ansible-linter

roles/cloud-cloudstack/tasks/main.yml

@@ -1,70 +1,63 @@
 ---
+- name: Build python virtual environment
+  import_tasks: venv.yml
+
+- name: Include prompts
+  import_tasks: prompts.yml
+
 - block:
-    - name: Build python virtual environment
-      import_tasks: venv.yml
+    - set_fact:
+        algo_region: >-
+          {% if region is defined %}{{ region }}
+          {%- elif _algo_region.user_input is defined and _algo_region.user_input | length > 0 %}{{ cs_zones[_algo_region.user_input | int -1 ]['name'] }}
+          {%- else %}{{ cs_zones[default_zone | int - 1]['name'] }}{% endif %}
 
-    - name: Include prompts
-      import_tasks: prompts.yml
+    - name: Security group created
+      cs_securitygroup:
+        name: "{{ algo_server_name }}-security_group"
+        description: AlgoVPN security group
+      register: cs_security_group
 
-    - block:
-      - set_fact:
-          algo_region: >-
-            {% if region is defined %}{{ region }}
-            {%- elif _algo_region.user_input is defined and _algo_region.user_input | length > 0 %}{{ cs_zones[_algo_region.user_input | int -1 ]['name'] }}
-            {%- else %}{{ cs_zones[default_zone | int - 1]['name'] }}{% endif %}
+    - name: Security rules created
+      cs_securitygroup_rule:
+        security_group: "{{ cs_security_group.name }}"
+        protocol: "{{ item.proto }}"
+        start_port: "{{ item.start_port }}"
+        end_port: "{{ item.end_port }}"
+        cidr: "{{ item.range }}"
+      with_items:
+        - { proto: tcp, start_port: 22, end_port: 22, range: 0.0.0.0/0 }
+        - { proto: udp, start_port: 4500, end_port: 4500, range: 0.0.0.0/0 }
+        - { proto: udp, start_port: 500, end_port: 500, range: 0.0.0.0/0 }
+        - { proto: udp, start_port: "{{ wireguard_port }}", end_port: "{{ wireguard_port }}", range: 0.0.0.0/0 }
 
-      - name: Security group created
-        cs_securitygroup:
-          name: "{{ algo_server_name }}-security_group"
-          description: AlgoVPN security group
-        register: cs_security_group
+    - name: Keypair created
+      cs_sshkeypair:
+        name: "{{ SSH_keys.comment|regex_replace('@', '_') }}"
+        public_key: "{{ lookup('file', '{{ SSH_keys.public }}') }}"
+      register: cs_keypair
 
-      - name: Security rules created
-        cs_securitygroup_rule:
-          security_group: "{{ cs_security_group.name }}"
-          protocol: "{{ item.proto }}"
-          start_port: "{{ item.start_port }}"
-          end_port: "{{ item.end_port }}"
-          cidr: "{{ item.range }}"
-        with_items:
-          - { proto: tcp, start_port: 22, end_port: 22, range: 0.0.0.0/0 }
-          - { proto: udp, start_port: 4500, end_port: 4500, range: 0.0.0.0/0 }
-          - { proto: udp, start_port: 500, end_port: 500, range: 0.0.0.0/0 }
-          - { proto: udp, start_port: "{{ wireguard_port }}", end_port: "{{ wireguard_port }}", range: 0.0.0.0/0 }
+    - name: Set facts
+      set_fact:
+        image_id: "{{ cloud_providers.cloudstack.image }}"
+        size: "{{ cloud_providers.cloudstack.size }}"
+        disk: "{{ cloud_providers.cloudstack.disk }}"
+        keypair_name: "{{ cs_keypair.name }}"
 
-      - name: Keypair created
-        cs_sshkeypair:
-          name: "{{ SSH_keys.comment|regex_replace('@', '_') }}"
-          public_key: "{{ lookup('file', '{{ SSH_keys.public }}') }}"
-        register: cs_keypair
+    - name: Server created
+      cs_instance:
+        name: "{{ algo_server_name }}"
+        root_disk_size: "{{ disk }}"
+        template: "{{ image_id }}"
+        ssh_key: "{{ keypair_name }}"
+        security_groups: "{{ cs_security_group.name }}"
+        zone: "{{ algo_region }}"
+        service_offering: "{{ size }}"
+      register: cs_server
 
-      - name: Set facts
-        set_fact:
-          image_id: "{{ cloud_providers.cloudstack.image }}"
-          size: "{{ cloud_providers.cloudstack.size }}"
-          disk: "{{ cloud_providers.cloudstack.disk }}"
-          keypair_name: "{{ cs_keypair.name }}"
-
-      - name: Server created
-        cs_instance:
-          name: "{{ algo_server_name }}"
-          root_disk_size: "{{ disk }}"
-          template: "{{ image_id }}"
-          ssh_key: "{{ keypair_name }}"
-          security_groups: "{{ cs_security_group.name }}"
-          zone: "{{ algo_region }}"
-          service_offering: "{{ size }}"
-        register: cs_server
-
-      - set_fact:
-          cloud_instance_ip: "{{ cs_server.default_ip }}"
-          ansible_ssh_user: ubuntu
-      environment:
-        CLOUDSTACK_CONFIG: "{{ algo_cs_config }}"
-        CLOUDSTACK_REGION: "{{ algo_cs_region }}"
-
-      rescue:
-      - debug: var=fail_hint
-        tags: always
-      - fail:
-        tags: always
+    - set_fact:
+        cloud_instance_ip: "{{ cs_server.default_ip }}"
+        ansible_ssh_user: ubuntu
+  environment:
+    CLOUDSTACK_CONFIG: "{{ algo_cs_config }}"
+    CLOUDSTACK_REGION: "{{ algo_cs_region }}"

roles/cloud-cloudstack/tasks/prompts.yml

@@ -51,5 +51,4 @@
           [{{ default_zone }}]
     register: _algo_region
     when: region is undefined
-  environment:
-    PYTHONPATH: "{{ cloudstack_venv }}/lib/python2.7/site-packages/"
+