[UPD] make elastic version a variable

README.md

@@ -24,6 +24,7 @@ Default variables (with default values in defaults/main.yml) :
 * docker_userns_remap : whether remapping of user namespace is being used for Docker (security feature defaults to true)
 * dockremap_subuid : first subuid used for user namespace remap for Docker (defaults to 165536) - should be retrieved by docker_server role in host_vars
 * dockremap_subgid : first subgid used for user namespace remap for Docker (defaults to 165536) - should be retrieved by docker_server role in host_vars
+* elastic_version : major version of filebeat to install (defaults to 8)
 * logstash_host : host or IP where logstash instance is located (defaults to localhost)
 * logstash_port : TCP port on which logstash instance is listening (defaults to 5044)
 * logstash_tls_crt : TLS cert used for securely connect to logstash instance (defaults to dummy cert)

defaults/main.yml

@@ -2,6 +2,7 @@
 docker_userns_remap: true
 dockremap_subuid: 165536
 dockremap_subgid: 165536
+elastic_version: 8
 logstash_host: localhost
 logstash_port: 5044
 logstash_tls_crt: |

vars/main.yml

@@ -32,4 +32,4 @@ elastic_gpg_key: |
     qPDlGRlOgVTd9xUfHFkzB52c70E=
     =92oX
     -----END PGP PUBLIC KEY BLOCK-----
-elastic_packages_url: https://artifacts.elastic.co/packages/7.x
+elastic_packages_url: https://artifacts.elastic.co/packages/{{ elastic_version }}.x