Make Heka collect Mistral logs

Partially implements: blueprint heka

Change-Id: Ib6ac3228626360216c2c738ed601d61375b51675

ansible/roles/common/templates/heka-openstack.toml.j2

@@ -6,5 +6,5 @@ filename = "lua_decoders/os_openstack_log.lua"
 type = "LogstreamerInput"
 decoder = "openstack_log_decoder"
 log_directory = "/var/log/kolla"
-file_match = '(?P<Service>nova|glance|keystone|neutron|cinder|heat|murano|magnum)/(?P<Program>.*)\.log'
+file_match = '(?P<Service>nova|glance|keystone|neutron|cinder|heat|murano|magnum|mistral)/(?P<Program>.*)\.log'
 differentiator = ["Service", "_", "Program"]

ansible/roles/mistral/tasks/bootstrap_service.yml

@@ -12,6 +12,8 @@
       BOOTSTRAP:
     name: "bootstrap_mistral"
     restart_policy: "never"
-    volumes: "{{ node_config_directory }}/mistral-api/:{{ container_config_directory }}/:ro"
+    volumes:
+      - "{{ node_config_directory }}/mistral-api/:{{ container_config_directory }}/:ro"
+      - "kolla_logs:/var/log/kolla/"
   run_once: True
   delegate_to: "{{ groups['mistral-api'][0] }}"

ansible/roles/mistral/tasks/start.yml

@@ -7,7 +7,7 @@
     image: "{{ mistral_engine_image_full }}"
     volumes:
       - "{{ node_config_directory }}/mistral-engine/:{{ container_config_directory }}/:ro"
-      - "rsyslog_socket:/var/lib/kolla/rsyslog/"
+      - "kolla_logs:/var/log/kolla/"
   when: inventory_hostname in groups['mistral-engine']
 
 - name: Starting mistral-executor container
@@ -18,7 +18,7 @@
     image: "{{ mistral_executor_image_full }}"
     volumes:
       - "{{ node_config_directory }}/mistral-executor/:{{ container_config_directory }}/:ro"
-      - "rsyslog_socket:/var/lib/kolla/rsyslog/"
+      - "kolla_logs:/var/log/kolla/"
   when: inventory_hostname in groups['mistral-executor']
 
 - name: Starting mistral-api container
@@ -29,5 +29,5 @@
     image: "{{ mistral_api_image_full }}"
     volumes:
       - "{{ node_config_directory }}/mistral-api/:{{ container_config_directory }}/:ro"
-      - "rsyslog_socket:/var/lib/kolla/rsyslog/"
+      - "kolla_logs:/var/log/kolla/"
   when: inventory_hostname in groups['mistral-api']

ansible/roles/mistral/templates/mistral.conf.j2

 [DEFAULT]
 debug = {{ mistral_logging_debug }}
 
+log_dir = /var/log/kolla/mistral
 
-use_syslog = True
-syslog_log_facility = LOG_LOCAL0
+# NOTE(elemoine): set use_stderr to False or the logs will also be sent to
+# stderr and collected by Docker
+use_stderr = False
 
 {% if service_name == 'mistral-api' %}
 bind_host = {{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}

docker/mistral/mistral-api/Dockerfile.j2

 FROM {{ namespace }}/{{ image_prefix }}mistral-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
-COPY extend_start.sh /usr/local/bin/kolla_extend_start
-RUN chmod 755 /usr/local/bin/kolla_extend_start
+COPY extend_start.sh /usr/local/bin/kolla_mistral_extend_start
+RUN chmod 755 /usr/local/bin/kolla_mistral_extend_start
 
 {{ include_footer }}
 

docker/mistral/mistral-base/Dockerfile.j2

@@ -12,10 +12,14 @@ ADD mistral-base-archive /mistral-base-source
 RUN ln -s mistral-base-source/* mistral \
     && useradd --user-group mistral \
     && /var/lib/kolla/venv/bin/pip --no-cache-dir install /mistral \
-    && mkdir -p /etc/mistral /var/log/mistral /home/mistral \
+    && mkdir -p /etc/mistral /home/mistral \
     && cp -r /mistral/etc/* /etc/mistral/ \
-    && chown -R mistral: /etc/mistral /var/log/mistral /home/mistral
+    && chown -R mistral: /etc/mistral /home/mistral
 
 {% endif %}
 
-RUN usermod -a -G kolla mistral
+COPY extend_start.sh /usr/local/bin/kolla_extend_start
+
+RUN usermod -a -G kolla mistral \
+    && touch /usr/local/bin/kolla_mistral_extend_start \
+    && chmod 755 /usr/local/bin/kolla_extend_start /usr/local/bin/kolla_mistral_extend_start

docker/mistral/mistral-base/extend_start.sh

+#!/bin/bash
+
+if [[ ! -d "/var/log/kolla/mistral" ]]; then
+    mkdir -p /var/log/kolla/mistral
+fi
+if [[ $(stat -c %a /var/log/kolla/mistral) != "755" ]]; then
+    chmod 755 /var/log/kolla/mistral
+fi
+
+source /usr/local/bin/kolla_mistral_extend_start