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75 lines
2.1 KiB
Bash
75 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# **exercise.sh** - using the cloud can be fun
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# we will use the ``nova`` cli tool provided by the ``python-novaclient``
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# package
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#
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# This script exits on an error so that errors don't compound and you see
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# only the first error that occured.
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set -o errexit
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# Print the commands being run so that we can see the command that triggers
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# an error. It is also useful for following allowing as the install occurs.
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set -o xtrace
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# Settings
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# ========
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HOST=${HOST:-localhost}
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# Nova original used project_id as the *account* that owned resources (servers,
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# ip address, ...) With the addition of Keystone we have standardized on the
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# term **tenant** as the entity that owns the resources. **novaclient** still
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# uses the old deprecated terms project_id.
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export NOVA_PROJECT_ID=${TENANT:-demo}
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# In addition to the owning entity (tenant), nova stores the entity performing
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# the action as the **user**.
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export NOVA_USERNAME=${USERNAME:-demo}
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# With Keystone you pass the keystone password instead of an api key.
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export NOVA_API_KEY=${PASSWORD:-secrete}
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# With the addition of Keystone, to use an openstack cloud you should
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# authenticate against keystone, which returns a **Token** and **Service
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# Catalog**. The catalog contains the endpoint for all services the user/tenant
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# has access to - including nova, glance, keystone, swift, ... We currently
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# recommend using the 2.0 *auth api*.
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#
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# *NOTE*: Using the 2.0 *auth api* does mean that compute api is 2.0. We will
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# use the 1.1 *compute api*
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export NOVA_URL=${NOVA_URL:-http://$HOST:5000/v2.0/}
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# Currently novaclient needs you to specify the *compute api* version. This
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# needs to match the config of your catalog returned by Keystone.
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export NOVA_VERSION=1.1
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# Launching a server
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# ==================
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# List servers for tenant:
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nova list
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# List of flavors:
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nova flavor-list
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# Images
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# ------
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# Nova has a **deprecated** way of listing images.
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nova image-list
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# But we recommend using glance directly
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glance index
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# show details of the active servers::
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#
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# nova show 1234
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#
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nova list | grep ACTIVE | cut -d \| -f2 | xargs -n1 nova show
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