Use include/import tasks (#2192)

import_tasks will consume far less memory, so it should be
used whenever it is compatible.

roles/vault/tasks/cluster/create_mounts.yml

@@ -1,5 +1,5 @@
 ---
-- include: ../shared/create_mount.yml
+- include_tasks: ../shared/create_mount.yml
   vars:
     create_mount_path: "{{ item.name }}"
     create_mount_default_lease_ttl: "{{ item.default_lease_ttl }}"

roles/vault/tasks/cluster/create_roles.yml

@@ -1,5 +1,5 @@
 ---
-- include: ../shared/create_role.yml
+- include_tasks: ../shared/create_role.yml
   vars:
     create_role_name: "{{ item.name }}"
     create_role_group: "{{ item.group }}"

roles/vault/tasks/cluster/main.yml

@@ -1,32 +1,32 @@
 ---
-- include: ../shared/check_vault.yml
+- import_tasks: ../shared/check_vault.yml
   when: inventory_hostname in groups.vault
 
-- include: ../shared/check_etcd.yml
+- import_tasks: ../shared/check_etcd.yml
   when: inventory_hostname in groups.vault
 
-- include: configure.yml
+- import_tasks: configure.yml
   when: inventory_hostname in groups.vault
 
-- include: binary.yml
+- import_tasks: binary.yml
   when: inventory_hostname in groups.vault and vault_deployment_type == "host"
 
-- include: systemd.yml
+- import_tasks: systemd.yml
   when: inventory_hostname in groups.vault
 
-- include: init.yml
+- import_tasks: init.yml
   when: inventory_hostname in groups.vault
 
-- include: unseal.yml
+- import_tasks: unseal.yml
   when: inventory_hostname in groups.vault
 
-- include: ../shared/find_leader.yml
+- import_tasks: ../shared/find_leader.yml
   when: inventory_hostname in groups.vault
 
-- include: create_mounts.yml
+- import_tasks: create_mounts.yml
   when: inventory_hostname == groups.vault|first
 
-- include: ../shared/gen_ca.yml
+- include_tasks: ../shared/gen_ca.yml
   vars:
     gen_ca_cert_dir: "{{ vault_pki_mounts.kube.cert_dir }}"
     gen_ca_mount_path: "{{ vault_pki_mounts.kube.name }}"
@@ -34,14 +34,14 @@
     gen_ca_vault_options: "{{ vault_ca_options.kube }}"
   when: inventory_hostname in groups.vault
 
-- include: ../shared/auth_backend.yml
+- include_tasks: ../shared/auth_backend.yml
   vars:
     auth_backend_description: A Username/Password Auth Backend primarily used for services needing to issue certificates
     auth_backend_path: userpass
     auth_backend_type: userpass
   when: inventory_hostname == groups.vault|first
 
-- include: create_roles.yml
+- include_tasks: create_roles.yml
   with_items:
     - "{{ vault_pki_mounts.vault }}"
     - "{{ vault_pki_mounts.etcd }}"