Add infra healthchecks
This adds a playbook, oriented for users, to automatically test their installation after the setup infrastructure test. These are connectivity tests to the infrastructure, and ensure that containers would behave properly when running the openstack playbooks. These are based on the general assumption that ppl would use a container management network. Change-Id: Idb331dd6a72439c838708216500039f628b2760c
This commit is contained in:
Jean-Philippe Evrard
Kevin Carter (cloudnull)
parent
609ea1f1b5
commit
edc3476b67
193
playbooks/healthcheck-infrastructure.yml
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193
playbooks/healthcheck-infrastructure.yml
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---
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# Copyright 2017, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Ensuring haproxy runs
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- name: Ensuring haproxy runs
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hosts: haproxy
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gather_facts: no
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tasks:
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# Fails if HAProxy is not running
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- name: Recording haproxy stats as a way to ensure haproxy runs
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shell: 'echo "show info;show stat" | nc -U /var/run/haproxy.stat'
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changed_when: false
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register: haproxy_stats
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tags:
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- haproxy
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# Run this playbook with -v and you'll see your DOWN issues
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- name: Printing the output of haproxy stats
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debug:
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var: haproxy_stats
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verbosity: 1
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tags:
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- haproxy
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# We are looking up from the first container.
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- name: Ensure that all the repos have data
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hosts: all_containers[0]
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gather_facts: yes
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vars:
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repo_requirements_file: "os-releases/{{ openstack_release }}/{{ os_distro_version }}/requirements_constraints.txt"
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tasks:
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- name: Check the upper constraint on each repo server
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uri:
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url: "http://{{ hostvars[item]['container_address'] }}:{{ repo_server_port }}/{{ repo_requirements_file }}"
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with_inventory_hostnames: "{{ groups['repo_all'] }}"
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tags:
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- repo
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- name: Ensure all the containers can connect to the repos
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hosts: all_containers
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gather_facts: yes
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serial:
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- 3
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- 100%
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tasks:
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# Repo release path points to the internal LB vip
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- name: Check the presence of upper constraints on your repos and check load balancing
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uri:
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url: "{{ repo_release_path }}/requirements_constraints.txt"
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tags:
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- repo
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- name: Sanity checks for all containers
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hosts: all_containers
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gather_facts: no
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tasks:
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- name: Ensure everyone can reach apt proxy
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uri:
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url: "{{ repo_pkg_cache_url }}/acng-report.html"
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method: "HEAD"
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tags:
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- proxy
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- name: Connect to galera port
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wait_for:
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port: 3306
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host: "{{ internal_lb_vip_address }}"
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state: started
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tags:
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- galera
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# Specific checks: Memcached
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- name: Check memcached for keystone
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hosts: keystone_all
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gather_facts: no
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tasks:
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- name: Set facts about memcached
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setup:
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delegate_to: "{{ item }}"
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delegate_facts: true
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with_items: "{{ groups['memcached'] }}"
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tags:
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- memcached
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- package:
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name: netcat
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state: present
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tags:
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- memcached
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- name: Connect to remote memcache servers (full mesh testing)
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shell: "echo stats | nc {{ hostvars[memcached_host]['container_address'] }} {{ memcached_port }}"
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changed_when: false
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register: memcache_stats
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with_items: "{{ groups['memcached'] }}"
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loop_control:
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loop_var: memcached_host
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tags:
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- memcached
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- name: Output memcache stats if in verbose mode
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debug:
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var: memcache_stats
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verbosity: 1
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tags:
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- memcached
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# Specific checks: Rabbit
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- name: Ask if rabbitmq test should run
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hosts: all_containers
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connection: local
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gather_facts: no
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vars_prompt:
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- name: "rabbit_test_prompt"
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prompt: "Are you sure you want to run rabbit tests? It runs pip install on all your containers."
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default: "no"
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private: no
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tasks:
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- name: Mark the usage of rabbitmq tests.
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set_fact:
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run_rabbit_tests: "{{ rabbit_test_prompt | bool }}"
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tags:
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- rabbitmq
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- name: Add a user for rabbitmq
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hosts: rabbitmq_all[0]
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gather_facts: no
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tasks:
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- name: Create credentials on vhost
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include: common-tasks/rabbitmq-vhost-user.yml
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vars:
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user: testguest
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password: secrete
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vhost: "/test"
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_rabbitmq_host_group: "rabbitmq_all"
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tags:
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- rabbitmq
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when: run_rabbit_tests | default(false)
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- name: Ensure all the usual openstack containers can connect to rabbit
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hosts: all_containers:!etcd_all:!galera_all:!memcached:!haproxy:!rabbitmq_all:!rsyslog:!unbound:!repo_all
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gather_facts: no
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vars:
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venv_path: /tmp/rabbitmqtest
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roles:
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- role: pip_install
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when: run_rabbit_tests | default(false)
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tags:
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- rabbitmq
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post_tasks:
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- name: Generate venv for rabbitmq testing
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pip:
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name: pika
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virtualenv: "{{ venv_path }}"
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when: run_rabbit_tests | default(false)
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tags:
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- rabbitmq
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- name: Copying test script
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copy:
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src: "../scripts/rabbitmq-test.py"
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dest: "{{ venv_path }}/rabbitmq-test.py"
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mode: 0755
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when: run_rabbit_tests | default(false)
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tags:
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- rabbitmq
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- name: Connect to rabbitmq
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command: "{{ venv_path }}/bin/python2 {{ venv_path }}/rabbitmq-test.py {{ hostvars[groups['rabbitmq_all'][0]]['container_address'] }}"
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when: run_rabbit_tests | default(false)
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tags:
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- rabbitmq
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- name: Remove guest user for rabbitmq
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hosts: rabbitmq_all[0]
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gather_facts: no
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tasks:
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- name: Remove test user
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rabbitmq_user:
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user: testguest
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password: secrete
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vhost: "/test"
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state: absent
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when: run_rabbit_tests | default(false)
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tags:
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- rabbitmq
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# TODO(evrardjp): Specific checks: Etcd
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47
scripts/rabbitmq-test.py
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47
scripts/rabbitmq-test.py
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@ -0,0 +1,47 @@
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#!/usr/bin/env python
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#
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# Copyright 2017, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# (c) 2017, Jean-Philippe Evrard <jean-philippe.evrard@rackspace.co.uk>
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#
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"""Tests rabbitmq with our hardcoded test credentials"""
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import argparse
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import sys
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try:
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import pika
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except Exception:
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sys.exit("Can't import pika")
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def rabbitmq_connect(ip=None):
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"""Connects to ip using standard port and credentials."""
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credentials = pika.credentials.PlainCredentials('testguest', 'secrete')
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parameters = pika.ConnectionParameters(
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host=ip, virtual_host='/test', credentials=credentials)
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try:
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connection = pika.BlockingConnection(parameters)
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connection.channel()
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except Exception:
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sys.exit("Can't connect to %s" % ip)
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else:
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print("Connected.")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("ip", help="The IP to connect to")
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args = parser.parse_args()
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rabbitmq_connect(args.ip)
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