Configure log path for kibana

Closes-Bug: #1635989
Change-Id: I99402e54e7cc2f1ad972021bb1056966f5c08bff

ansible/roles/kibana/templates/kibana.yml.j2

 kibana.defaultAppId: "{{ kibana_default_app_id }}"
+logging.dest: /var/log/kolla/kibana/kibana.log
 server.port: {{ kibana_server_port }}
 server.host: "{% if orchestration_engine == 'KUBERNETES' %}0.0.0.0{% else %}{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}{% endif %}"
 elasticsearch.url: "{{ internal_protocol }}://{% if orchestration_engine == 'KUBERNETES' %}elasticsearch{% else %}{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}{% endif %}:{{ elasticsearch_port }}"

docker/kibana/Dockerfile.j2

@@ -5,8 +5,10 @@ MAINTAINER {{ maintainer }}
 
 {% import "macros.j2" as macros with context %}
 
+COPY extend_start.sh /usr/local/bin/kolla_extend_start
 RUN useradd -r -m --user-group kibana \
-    && usermod -a -G kolla kibana
+    && usermod -a -G kolla kibana \
+    && chmod 755 /usr/local/bin/kolla_extend_start
 
 {% set kibana_packages = ['kibana'] %}
 {{ macros.install_packages(kibana_packages | customizable("packages")) }}

docker/kibana/extend_start.sh

+#!/bin/bash
+
+KIBANA_LOG_DIR="/var/log/kolla/kibana"
+
+if [[ ! -d "${KIBANA_LOG_DIR}" ]]; then
+    mkdir -p "${KIBANA_LOG_DIR}"
+fi
+if [[ $(stat -c %U:%G "${KIBANA_LOG_DIR}") != "kibana:kolla" ]]; then
+    chown kibana:kolla "${KIBANA_LOG_DIR}"
+fi