Merge "Add section 2 to shade firstapp tutorial"
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108
firstapp/samples/shade/introduction.py
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108
firstapp/samples/shade/introduction.py
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# step-1
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://git.openstack.org/cgit/stackforge/faafo/plain/contrib/install.sh | bash -s -- \
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-i faafo -i messaging -r api -r worker -r demo
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'''
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instance_name = 'all-in-one'
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testing_instance = conn.create_server(wait=True, auto_ip=False,
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name=instance_name,
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image=image_id, flavor=flavor_id, key_name=keypair_name,
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security_groups=[sec_group_name],
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userdata=userdata)
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# step-2
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userdata = '''#!/usr/bin/env bash
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curl -L -s https://git.openstack.org/cgit/stackforge/faafo/plain/contrib/install.sh | bash -s -- \
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-i faafo -i messaging -r api -r worker -r demo
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'''
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# step-3
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sec_group_name = 'all-in-one'
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conn.create_security_group(sec_group_name, 'network access for all-in-one application.')
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conn.create_security_group_rule(sec_group_name, 80, 80, 'TCP')
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conn.create_security_group_rule(sec_group_name, 22, 22, 'TCP')
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conn.search_security_groups(sec_group_name)
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# step-4
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conn.list_security_groups()
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# step-5
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conn.delete_security_group_rule(rule['id'])
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conn.delete_security_group(sec_group_name)
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# step-6
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conn.get_openstack_vars(testing_instance)['security_groups']
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# step-7
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unused_floating_ip = conn.available_floating_ip()
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# step-8
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# step-9
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# step-10
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conn.attach_ip_to_server(testing_instance['id'], unused_floating_ip['id'])
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# step-11
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worker_group = conn.create_security_group('worker', 'for services that run on a worker node')
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conn.create_security_group_rule(worker_group['name'], 22, 22, 'TCP')
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controller_group = conn.create_security_group('control', 'for services that run on a control node')
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conn.create_security_group_rule(controller_group['name'], 22, 22, 'TCP')
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conn.create_security_group_rule(controller_group['name'], 80, 80, 'TCP')
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conn.create_security_group_rule(controller_group['name'], 5672, 5672, 'TCP', remote_group_id=worker_group['id'])
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userdata = '''#!/usr/bin/env bash
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curl -L -s http://git.openstack.org/cgit/stackforge/faafo/plain/contrib/install.sh | bash -s -- \
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-i messaging -i faafo -r api
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'''
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instance_controller_1 = conn.create_server(wait=True, auto_ip=False,
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name='app-controller',
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image=image_id,
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flavor=flavor_id,
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key_name=keypair_name,
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security_groups=[controller_group['name']],
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userdata=userdata)
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unused_floating_ip = conn.available_floating_ip()
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conn.attach_ip_to_server(instance_controller_1['id'], unused_floating_ip['id'])
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print('Application will be deployed to http://%s' % unused_floating_ip['floating_ip_address'])
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# step-12
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instance_controller_1 = conn.get_server(instance_controller_1['id'])
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if conn.get_server_public_ip(instance_controller_1):
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ip_controller = conn.get_server_public_ip(instance_controller_1)
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else:
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ip_controller = conn.get_server_private_ip(instance_controller_1)
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userdata = '''#!/usr/bin/env bash
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curl -L -s http://git.openstack.org/cgit/stackforge/faafo/plain/contrib/install.sh | bash -s -- \
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-i faafo -r worker -e 'http://%(ip_controller)s' -m 'amqp://guest:guest@%(ip_controller)s:5672/'
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''' % {'ip_controller': ip_controller}
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instance_worker_1 = conn.create_server(wait=True, auto_ip=False,
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name='app-worker-1',
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image=image_id,
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flavor=flavor_id,
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key_name=keypair_name,
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security_groups=[worker_group['name']],
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userdata=userdata)
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unused_floating_ip = conn.available_floating_ip()
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conn.attach_ip_to_server(instance_worker_1['id'], unused_floating_ip['id'], wait=True)
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print('The worker will be available for SSH at %s' % unused_floating_ip['floating_ip_address'])
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# step-13
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instance_worker_1 = conn.get_server(instance_worker_1['name'])
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ip_instance_worker_1 = conn.get_server_public_ip(instance_worker_1)
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print(ip_instance_worker_1)
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# step-14
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@ -200,6 +200,13 @@ section? Let's look at it again. (Note that in this subsection, we're
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just explaining what you've already done in the previous section; you
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don't need to execute these commands again.)
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-1
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:end-before: step-2
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -232,6 +239,13 @@ section of the image guide for guidance about which user name you
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should use when SSHing. If you still have problems logging in, ask
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your cloud provider to confirm the user name.
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-2
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:end-before: step-3
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -272,19 +286,32 @@ Start by creating a security group for the all-in-one instance and
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adding the appropriate rules, such as HTTP (TCP port 80) and SSH (TCP
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port 22):
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-3
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:end-before: step-4
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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:start-after: step-3
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:end-before: step-4
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.. note:: :code:`ex_create_security_group_rule()` takes ranges of
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ports as input. This is why ports 80 and 22 are passed
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twice.
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.. note:: :code:`ex_create_security_group_rule()` takes ranges of
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ports as input. This is why ports 80 and 22 are passed
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twice.
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You can list available security groups with:
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-4
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:end-before: step-5
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -294,6 +321,13 @@ You can list available security groups with:
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Once you've created a rule or group, you can also delete it:
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-5
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:end-before: step-6
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -303,6 +337,13 @@ Once you've created a rule or group, you can also delete it:
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To see which security groups apply to an instance, you can:
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-6
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:end-before: step-7
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -349,28 +390,38 @@ then associate it to your instance's network interface.
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:end-before: step-8
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If you have no free floating IPs that have been previously allocated
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for your project, first select a floating IP pool offered by your
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provider. In this example, we have selected the first one and assume
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that it has available IP addresses.
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.. only:: libcloud
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If you have no free floating IPs that have been previously allocated
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for your project, first select a floating IP pool offered by your
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provider. In this example, we have selected the first one and assume
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that it has available IP addresses.
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.. literalinclude:: ../samples/libcloud/introduction.py
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:start-after: step-8
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:end-before: step-9
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Now request that an address from this pool be allocated to your project.
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.. only:: libcloud
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Now request that an address from this pool be allocated to your project.
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.. literalinclude:: ../samples/libcloud/introduction.py
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:start-after: step-9
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:end-before: step-10
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-7
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:end-before: step-8
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Now that you have an unused floating IP address allocated to your
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project, attach it to an instance.
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-10
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:end-before: step-11
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -409,6 +460,13 @@ Parameter Description Values
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.. todo:: https://bugs.launchpad.net/openstack-manuals/+bug/1439918
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-11
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:end-before: step-12
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.. only:: libcloud
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@ -424,6 +482,12 @@ Next, start a second instance, which will be the worker instance:
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.. todo :: more text necessary here...
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-12
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:end-before: step-13
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.. only:: libcloud
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@ -460,6 +524,13 @@ Login to the worker instance, :code:`app-worker-1`, with SSH, using
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the previous added SSH key pair "demokey". Start by getting the IP
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address of the worker:
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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:start-after: step-13
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:end-before: step-14
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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@ -589,6 +660,11 @@ This comprehensive code sample lets you view and run the code as a single script
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Before you run this script, confirm that you have set your authentication
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information, the flavor ID, and image ID.
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.. only:: shade
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.. literalinclude:: ../samples/shade/introduction.py
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:language: python
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.. only:: libcloud
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.. literalinclude:: ../samples/libcloud/introduction.py
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