Initial commit for #580 - add consul health checks based on consul 0.6

roles/cadvisor/tasks/main.yml

@@ -20,21 +20,12 @@
   tags:
     - cadvisor
 
-- name: get cadvisor container ip
+- name: Set cadvisor consul service definition
   sudo: yes
-  command: >
-    docker inspect -f \{\{' '.NetworkSettings.IPAddress' '\}\} cadvisor
-  register: cadvisor_container_ip
+  template:
+    src: cadvisor-consul.j2
+    dest: "{{ cadvisor_consul_dir }}/cadvisor.json"
+  notify:
+    - restart consul
   tags:
     - cadvisor
-
-#- name: Set cadvisor consul service definition
-#  sudo: yes
-#  template:
-#   src: cadvisor-consul.j2
-#    dest: "{{ cadvisor_consul_dir }}/cadvisor.json"
-#  notify:
-#    - restart consul
-#  when: cadvisor_enabled
-#  tags:
-#    - cadvisor

roles/cadvisor/templates/cadvisor-consul.j2

@@ -1,9 +1,12 @@
 {
-  "check": {
-    "id": "cadvisor",
-    "name": "cadvisor status",
-    "service_id": "{{ cadvisor_consul_service_id }}",
-    "script": "curl --silent --show-error  --fail --dump-header /dev/stderr --retry 2 http://{{ cadvisor_container_ip.stdout }}:8080",
-    "interval": "10s"
+  "service": {
+    "name": "cadvisor",
+    "tags": [ "cadvisor" ],
+    "check": {
+      "docker_container_id": "cadvisor",
+      "shell": "/bin/sh",
+      "script": "wget -q --spider 127.0.0.1:8080/containers/ -O /dev/null",
+      "interval": "10s"
+    }
   }
 }

roles/mesos/tasks/master.yml

@@ -29,29 +29,39 @@
   tags:
     - mesos-master
 
-#- name: run prometheus mesos master exporter container
-#  when: mesos_install_mode == "master" and prometheus_enabled|bool
-#  docker:
-#    name: mesos-exporter
-#    image: "{{ prometheus_mesos_exporter_image }}"
-#    command: "-exporter.scrape-mode=master -exporter.url=http://{{ mesos_hostname }}:{{ mesos_master_port }}"
-#    state: started
-#    restart_policy: always
-#    ports:
-#    - "{{ prometheus_mesos_exporter_port }}:{{ prometheus_mesos_exporter_port }}"
-#  environment: proxy_env
-#  tags:
-#    - prometheus
-#    - mesos_master
+- name: Set mesos-master consul service definition
+  sudo: yes
+  template:
+    src: mesos-master-consul.j2
+    dest: "{{ consul_dir }}/mesos-master.json"
+  notify:
+    - restart consul
+  tags:
+    - mesos-master
+
+- name: run prometheus mesos master exporter container
+  when: prometheus_enabled|bool
+  docker:
+    name: mesos-exporter
+    image: "{{ prometheus_mesos_exporter_image }}"
+    command: "-exporter.scrape-mode=master -exporter.url=http://{{ mesos_hostname }}:{{ mesos_master_port }}"
+    state: started
+    restart_policy: always
+    ports:
+    - "{{ prometheus_mesos_exporter_port }}:{{ prometheus_mesos_exporter_port }}"
+  environment: proxy_env
+  tags:
+    - prometheus
+    - mesos_master
 
-#- name: Set mesos-exporter consul service definition
-#  when: mesos_install_mode == "master" and prometheus_enabled|bool
-#  sudo: yes
-#  template:
-#    src: mesos-exporter-consul.j2
-#    dest: "{{ consul_dir }}/mesos-exporter.json"
-#  notify:
-#    - restart consul
-#  tags:
-#    - prometheus
-#    - mesos_master
+- name: Set mesos-exporter consul service definition
+  when: prometheus_enabled|bool
+  sudo: yes
+  template:
+    src: mesos-exporter-consul.j2
+    dest: "{{ consul_dir }}/mesos-exporter.json"
+  notify:
+    - restart consul
+  tags:
+    - prometheus
+    - mesos_master

roles/mesos/tasks/slave.yml

@@ -29,29 +29,29 @@
   tags:
     - mesos-slave
 
-#- name: run prometheus mesos slave exporter container
-#  when: mesos_install_mode == "slave" and prometheus_enabled|bool
-#  docker:
-#    name: mesos-exporter
-#    image: "{{ prometheus_mesos_exporter_image }}"
-#    command: "-exporter.scrape-mode=slave -exporter.url=http://{{ mesos_hostname }}:{{ mesos_slave_port }}"
-#    state: started
-#    restart_policy: always
-#    ports:
-#    - "{{ prometheus_mesos_exporter_port }}:{{ prometheus_mesos_exporter_port }}"
-#  environment: proxy_env
-#  tags:
-#    - prometheus
-#    - mesos_slave
+- name: run prometheus mesos slave exporter container
+  when: prometheus_enabled|bool
+  docker:
+    name: mesos-exporter
+    image: "{{ prometheus_mesos_exporter_image }}"
+    command: "-exporter.scrape-mode=slave -exporter.url=http://{{ mesos_hostname }}:{{ mesos_slave_port }}"
+    state: started
+    restart_policy: always
+    ports:
+    - "{{ prometheus_mesos_exporter_port }}:{{ prometheus_mesos_exporter_port }}"
+  environment: proxy_env
+  tags:
+    - prometheus
+    - mesos_slave
 
-#- name: Set mesos-exporter consul service definition
-#  when: mesos_install_mode == "slave" and prometheus_enabled|bool
-#  sudo: yes
-#  template:
-#    src: mesos-exporter-consul.j2
-#    dest: "{{ consul_dir }}/mesos-exporter.json"
-#  notify:
-#    - restart consul
-#  tags:
-#    - prometheus
-#    - mesos_slave
+- name: Set mesos-exporter consul service definition
+  when: prometheus_enabled|bool
+  sudo: yes
+  template:
+    src: mesos-exporter-consul.j2
+    dest: "{{ consul_dir }}/mesos-exporter.json"
+  notify:
+    - restart consul
+  tags:
+    - prometheus
+    - mesos_slave

roles/mesos/templates/mesos-exporter-consul.j2

@@ -1,9 +1,11 @@
 {
-  "check": {
+  "service": {
     "id": "mesos-exporter",
-    "name": "mesos exporter status",
-    "service_id": "{{ prometheus_mesos_exporter_consul_service_id }}",
-    "script": "curl --silent --show-error  --fail --dump-header /dev/stderr --retry 2 http://{{ mesos_hostname }}:{{ prometheus_mesos_exporter_port }}",
-    "interval": "10s"
+    "name": "prometheus-mesos-exporter",
+    "tags": [ "mesos", "prometheus" ],
+    "check": {
+      "script": "curl --silent --show-error  --fail --dump-header /dev/stderr --retry 2 http://{{ mesos_hostname }}:{{ prometheus_mesos_exporter_port }}",
+      "interval": "10s"
+    }
   }
 }

roles/prometheus/tasks/main.yml

@@ -30,12 +30,12 @@
   tags:
     - prometheus
 
-#- name: Set node-exporter consul service definition
-#  sudo: yes
-#  template:
-#    src: node-exporter-consul.j2
-#    dest: "{{ prometheus_consul_dir }}/node-exporter.json"
-#  notify:
-#    - restart consul
-#  tags:
-#    - prometheus
+- name: set node-exporter consul service definition
+  sudo: yes
+  template:
+    src: node-exporter-consul.j2
+    dest: "{{ prometheus_consul_dir }}/node-exporter.json"
+  notify:
+    - restart consul
+  tags:
+    - prometheus

roles/prometheus/templates/node-exporter-consul.j2

@@ -1,9 +1,12 @@
 {
-  "check": {
+  "service": {
     "id": "node-exporter",
-    "name": "node exporter status",
-    "service_id": "{{ prometheus_node_exporter_consul_service_id }}",
-    "script": "curl --silent --show-error  --fail --dump-header /dev/stderr --retry 2 http://{{ prometheus_node_exporter_hostname }}:{{ prometheus_node_exporter_port }}",
-    "interval": "10s"
+    "name": "prometheus-node-exporter",
+    "port": {{ prometheus_node_exporter_port }},
+    "tags": [ "prometheus" ],
+    "check": {
+      "script": "curl --silent --show-error  --fail --dump-header /dev/stderr --retry 2 http://{{ prometheus_node_exporter_hostname }}:{{ prometheus_node_exporter_port }}",
+      "interval": "10s"
+    }
   }
 }

roles/zookeeper/tasks/main.yml

@@ -57,3 +57,13 @@
     state: started
   tags:
     - zookeeper
+
+- name: set zookeeper consul service definition
+  sudo: yes
+  template:
+    src: zookeeper-consul.j2
+    dest: "{{ consul_dir }}/zookeeper.json"
+  notify:
+    - restart consul
+  tags:
+    - zookeeper

roles/zookeeper/templates/zookeeper-consul.j2

@@ -4,7 +4,9 @@
     "port": {{ zookeeper_client_port }},
     "tags": [ "zookeeper" ],
     "check": {
-      "script": "echo ruok | nc {{ ansible_ssh_host }} {{ zookeeper_client_port }} | grep imok",
+      "docker_container_id": "zookeeper",
+      "shell": "/bin/bash",
+      "script": "echo ruok | nc 127.0.0.1 {{ zookeeper_client_port }} | grep imok",
       "interval": "10s"
     }
   }