# Check for mandatory parameters

- name: fail when es_instance is not defined
  fail: msg="es_instance_name must be specified and cannot be blank"
  when: es_instance_name is not defined or es_instance_name == ''

- name: fail when es_proxy_port is not defined or is blank
  fail: msg="es_proxy_port must be specified and cannot be blank when es_proxy_host is defined"
  when: (es_proxy_port is not defined or es_proxy_port == '') and (es_proxy_host is defined and es_proxy_host != '')

- name: debug message
  debug: msg="WARNING - It is recommended you specify the parameter 'http.port'"
  when: es_config['http.port'] is not defined

- name: debug message
  debug: msg="WARNING - It is recommended you specify the parameter 'transport.tcp.port'"
  when: es_config['transport.tcp.port'] is not defined

- name: debug message
  debug: msg="WARNING - It is recommended you specify the parameter 'discovery.zen.ping.unicast.hosts'"
  when: es_config['discovery.zen.ping.unicast.hosts'] is not defined

#If the user attempts to lock memory they must specify a heap size
- name: fail when heap size is not specified when using memory lock
  fail: msg="If locking memory with bootstrap.memory_lock a heap size must be specified"
  when: es_config['bootstrap.memory_lock'] is defined and es_config['bootstrap.memory_lock'] == True and es_heap_size is not defined

#Check if working with security we have an es_api_basic_auth_username and es_api_basic_auth_username - otherwise any http calls wont work
- name: fail when api credentials are not declared when using security
  fail: msg="Enabling security requires an es_api_basic_auth_username and es_api_basic_auth_password to be provided to allow cluster operations"
  when: es_enable_xpack and ("security" in es_xpack_features) and es_api_basic_auth_username is not defined and es_api_basic_auth_password is not defined

- name: set fact file_reserved_users
  set_fact: file_reserved_users={{ es_users.file.keys() | intersect (reserved_xpack_users) }}
  when: es_users is defined and es_users.file is defined and (es_users.file.keys() | length > 0) and (es_users.file.keys() | intersect (reserved_xpack_users) | length > 0)

- name: fail when changing users through file realm
  fail:
     msg: "ERROR: INVALID CONFIG - YOU CANNOT CHANGE RESERVED USERS THROUGH THE FILE REALM. THE FOLLOWING CANNOT BE CHANGED: {{file_reserved_users}}. USE THE NATIVE REALM."
  when: file_reserved_users | default([]) | length > 0

- name: set fact instance_default_file
  set_fact: instance_default_file={{default_file | dirname}}/{{es_instance_name}}_{{default_file | basename}}
- name: set fact instance_init_script
  set_fact: instance_init_script={{init_script | dirname }}/{{es_instance_name}}_{{init_script | basename}}
- name: set fact conf_dir
  set_fact: conf_dir={{ es_conf_dir }}/{{es_instance_name}}
- name: set fact m_lock_enabled
  set_fact: m_lock_enabled={{ es_config['bootstrap.memory_lock'] is defined and es_config['bootstrap.memory_lock'] == True }}

#TODO - if transport.host is not local maybe error on boostrap checks


#Use systemd for the following distributions:
#Ubuntu 15 and up
#Debian 8 and up
#Centos 7 and up
#Relies on elasticsearch distribution installing a serviced script to determine whether one should be copied.

- name: set fact use_system_d
  set_fact: use_system_d={{(ansible_distribution == 'Debian' and ansible_distribution_version | version_compare('8', '>=')) or (ansible_distribution in ['RedHat','CentOS'] and ansible_distribution_version | version_compare('7', '>=')) or (ansible_distribution == 'Ubuntu' and ansible_distribution_version | version_compare('15', '>=')) }}

- name: set fact instance_sysd_script
  set_fact: instance_sysd_script={{sysd_script | dirname }}/{{es_instance_name}}_{{sysd_script | basename}}
  when: use_system_d
#For directories we also use the {{inventory_hostname}}-{{ es_instance_name }} - this helps if we have a shared SAN.

- name: set fact instance_suffix
  set_fact: instance_suffix={{inventory_hostname}}-{{ es_instance_name }}
- name: set fact pid_dir
  set_fact: pid_dir={{ es_pid_dir }}/{{instance_suffix}}
- name: set fact log_dir
  set_fact: log_dir={{ es_log_dir }}/{{instance_suffix}}
- name: set fact log_dir
  set_fact: data_dirs={{ es_data_dirs | append_to_list('/'+instance_suffix) }}