add example docs
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cloud/docker
44
cloud/docker
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@ -136,6 +136,50 @@ options:
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author: Cove Schneider
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'''
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EXAMPLES = '''
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Start one docker container running tomcat in each host of the web group and bind tomcat's listening port to 8080
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on the host:
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- hosts: web
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sudo: yes
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tasks:
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- name: run tomcat servers
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docker: image=centos command="service tomcat6 start" ports=:8080
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The tomcat server's port is NAT'ed to a dynamic port on the host, but you can determine which port the server was
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mapped to using $DockerContainers:
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- hosts: web
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sudo: yes
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tasks:
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- name: run tomcat servers
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docker: image=centos command="service tomcat6 start" ports=8080 count=5
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- name: Display IP address and port mappings for containers
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debug: msg="Mapped to {{inventory_hostname}}:{{item.NetworkSettings.PortMapping.Tcp['8080']}}"
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with_items: $DockerContainers
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Just as in the previous example, but iterates over the list of docker containers with a sequence:
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- hosts: web
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sudo: yes
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vars:
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start_containers_count: 5
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tasks:
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- name: run tomcat servers
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docker: image=centos command="service tomcat6 start" ports=8080 count={{start_containers_count}}
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- name: Display IP address and port mappings for containers
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debug: msg="Mapped to {{inventory_hostname}}:{{DockerContainers[{{item}}].NetworkSettings.PortMapping.Tcp['8080']}}"
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with_sequence: start=0 end={{start_containers_count - 1}}
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Stop and remove all of the running tomcat containers:
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- hosts: web
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sudo: yes
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tasks:
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- name: stop tomcat servers
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docker: image=centos command="service tomcat6 start" state=absent
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'''
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try:
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import sys
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import json
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