Allow to install kibana-oss for 7.x elastic release

[godjil]

--- a/tasks/kibana-parameters.yml
+++ b/tasks/kibana-parameters.yml
@@ -1,12 +1,12 @@
 ---
 # Check for mandatory parameters

-- name: fail when is selected kibana-oss for version 7.x
-  fail:
-    msg: You can't install 'kibana-oss' for version 7.x of Elastic stack
-  when:
-    - kibana_package_name == 'kibana-oss'
-    - es_major_version == '7.x'

 - 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"

[godjil]

just remove fail when is selected kibana-oss for version 7.x

[fedelemantuano]

It's not so easy. Change the base url:

baseurl=https://artifacts.elastic.co/packages/7.x/yum
baseurl=https://artifacts.elastic.co/packages/oss-7.x/yum

This is Red Hat example.

[fedelemantuano]

See Issue #10