trivial: Fix typos in the documentation page
This patchset fixes typos (capitalization mistakes, grammar mistakes) found in the documentation pages. Change-Id: If500aeab1af7dd8b56d63cbc481ee501216df161
This commit is contained in:
deepak_mourya
Deepak Mourya
parent
de5f0da10e
commit
e495cd257d
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@ -172,7 +172,7 @@ used in tests where two different-sized servers are required (for example, a
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resize test).
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Using a smaller flavor is generally recommended. When larger flavors are used,
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the extra time required to bring up servers will likely affect total run time
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the extra time required to bring up servers will likely affect the total run time
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and probably require tweaking timeout values to ensure tests have ample time to
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finish.
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@ -207,7 +207,7 @@ uploaded.
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The behavior of these options is a bit convoluted (which will likely be fixed in
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future versions). You first need to specify ``img_dir``, which is the directory
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in which Tempest will look for the image files. First it will check if the
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in which Tempest will look for the image files. First, it will check if the
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filename set for ``img_file`` could be found in ``img_dir``. If it is found then
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the ``img_container_format`` and ``img_disk_format`` options are used to upload
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that image to glance. However, if it is not found, Tempest will look for the
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@ -239,7 +239,7 @@ Network Creation/Usage for Servers
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""""""""""""""""""""""""""""""""""
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When Tempest creates servers for testing, some tests require being able to
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connect those servers. Depending on the configuration of the cloud, the methods
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for doing this can be different. In certain configurations it is required to
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for doing this can be different. In certain configurations, it is required to
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specify a single network with server create calls. Accordingly, Tempest provides
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a few different methods for providing this information in configuration to try
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and ensure that regardless of the cloud's configuration it'll still be able to
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@ -297,10 +297,10 @@ With Dynamic Credentials
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''''''''''''''''''''''''
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With dynamic credentials enabled and using nova-network, your only option for
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configuration is to either set a fixed network name or not. However, in most
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cases it shouldn't matter because nova-network should have no problem booting a
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cases, it shouldn't matter because nova-network should have no problem booting a
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server with multiple networks. If this is not the case for your cloud then using
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an accounts file is recommended because it provides the necessary flexibility to
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describe your configuration. Dynamic credentials is not able to dynamically
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describe your configuration. Dynamic credentials are not able to dynamically
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allocate things as necessary if Neutron is not enabled.
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With Neutron and dynamic credentials enabled there should not be any additional
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@ -352,7 +352,7 @@ Configuring Available Services
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OpenStack is really a constellation of several different projects which
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are running together to create a cloud. However which projects you're running
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is not set in stone, and which services are running is up to the deployer.
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Tempest however needs to know which services are available so it can figure
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Tempest, however, needs to know which services are available so it can figure
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out which tests it is able to run and certain setup steps which differ based
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on the available services.
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@ -390,8 +390,8 @@ changed.
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.. note::
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Tempest does not serve all kinds of fancy URLs in the service catalog. The
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service catalog should be in a standard format (which is going to be
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Tempest does not serve all kinds of fancy URLs in the service catalog.
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The service catalog should be in a standard format (which is going to be
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standardized at the Keystone level).
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Tempest expects URLs in the Service catalog in the following format:
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@ -413,10 +413,10 @@ message queues, etc. However, the downside to this configurability is that
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certain operations and features aren't supported depending on the configuration.
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These features may or may not be discoverable from the API so the burden is
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often on the user to figure out what is supported by the cloud they're talking
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to. Besides the obvious interoperability issues with this it also leaves
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to. Besides the obvious interoperability issues with this, it also leaves
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Tempest in an interesting situation trying to figure out which tests are
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expected to work. However, Tempest tests do not rely on dynamic API discovery
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for a feature (assuming one exists). Instead Tempest has to be explicitly
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for a feature (assuming one exists). Instead, Tempest has to be explicitly
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configured as to which optional features are enabled. This is in order to
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prevent bugs in the discovery mechanisms from masking failures.
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@ -432,8 +432,8 @@ API Extensions
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^^^^^^^^^^^^^^
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The service feature-enabled sections often contain an ``api-extensions`` option
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(or in the case of Swift a ``discoverable_apis`` option). This is used to tell
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Tempest which api extensions (or configurable middleware) is used in your
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Tempest which API extensions (or configurable middleware) is used in your
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deployment. It has two valid config states: either it contains a single value
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``all`` (which is the default) which means that every api extension is assumed
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``all`` (which is the default) which means that every API extension is assumed
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to be enabled, or it is set to a list of each individual extension that is
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enabled for that service.
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@ -4,12 +4,12 @@ Tempest Library Documentation
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=============================
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Tempest provides a stable library interface that provides external tools or
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test suites an interface for reusing pieces of tempest code. Any public
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interface that lives in tempest/lib in the tempest repo is treated as a stable
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test suites an interface for reusing pieces of Tempest code. Any public
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interface that lives in tempest/lib in the Tempest repo is treated as a stable
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public interface and it should be safe to external consume that. Every effort
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goes into maintaining backwards compatibility with any change.
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The library is self contained and doesn't have any dependency on
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other tempest internals outside of lib (including no usage of tempest
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other Tempest internals outside of lib (including no usage of Tempest
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configuration).
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Stability
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@ -32,7 +32,7 @@ supporting.
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Making changes
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''''''''''''''
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When making changes to tempest/lib you have to be conscious of the effect of
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any changes on external consumers. If your proposed changeset will change the
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any changes on external consumers. If your proposed change set will change the
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default behaviour of any interface, or make something which previously worked
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not after your change, then it is not acceptable. Every effort needs to go into
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preserving backwards compatibility in changes.
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@ -40,8 +40,8 @@ preserving backwards compatibility in changes.
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Reviewing
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'''''''''
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When reviewing a proposed change to tempest/lib code we need to be careful to
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ensure that we don't break backwards compatibility. For patches that change
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existing interfaces we have to be careful to make sure we don't break any
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ensure that we don't break backward compatibility. For patches that change
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existing interfaces, we have to be careful to make sure we don't break any
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external consumers. Some common red flags are:
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* a change to an existing API requires a change outside the library directory
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@ -52,7 +52,7 @@ Testing
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'''''''
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When adding a new interface to the library we need to at a minimum have unit
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test coverage. A proposed change to add an interface to tempest/lib that
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doesn't have unit tests shouldn't be accepted. Ideally these unit tests will
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doesn't have unit tests shouldn't be accepted. Ideally, these unit tests will
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provide sufficient coverage to ensure a stable interface moving forward.
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Current Library APIs
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@ -5,24 +5,24 @@ Tempest Test Plugin Interface
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=============================
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Tempest has an external test plugin interface which enables anyone to integrate
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an external test suite as part of a tempest run. This will let any project
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leverage being run with the rest of the tempest suite while not requiring the
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tests live in the tempest tree.
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an external test suite as part of a Tempest run. This will let any project
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leverage being run with the rest of the Tempest suite while not requiring the
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tests live in the Tempest tree.
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Creating a plugin
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=================
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Creating a plugin is fairly straightforward and doesn't require much additional
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effort on top of creating a test suite using tempest.lib. One thing to note with
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doing this is that the interfaces exposed by tempest are not considered stable
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(with the exception of configuration variables which ever effort goes into
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ensuring backwards compatibility). You should not need to import anything from
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tempest itself except where explicitly noted.
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doing this is that the interfaces exposed by Tempest are not considered stable
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(with the exception of configuration variables whichever effort goes into
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ensuring backward compatibility). You should not need to import anything from
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Tempest itself except where explicitly noted.
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Stable Tempest APIs plugins may use
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-----------------------------------
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As noted above, several tempest APIs are acceptable to use from plugins, while
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As noted above, several Tempest APIs are acceptable to use from plugins, while
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others are not. A list of stable APIs available to plugins is provided below:
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* tempest.lib.*
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@ -32,7 +32,7 @@ others are not. A list of stable APIs available to plugins is provided below:
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* tempest.clients
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* tempest.test
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If there is an interface from tempest that you need to rely on in your plugin
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If there is an interface from Tempest that you need to rely on in your plugin
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which is not listed above, it likely needs to be migrated to tempest.lib. In
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that situation, file a bug, push a migration patch, etc. to expedite providing
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the interface in a reliable manner.
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@ -62,7 +62,7 @@ Entry Point
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-----------
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Once you've created your plugin class you need to add an entry point to your
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project to enable tempest to find the plugin. The entry point must be added
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project to enable Tempest to find the plugin. The entry point must be added
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to the "tempest.test_plugins" namespace.
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If you are using pbr this is fairly straightforward, in the setup.cfg just add
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@ -77,9 +77,9 @@ something like the following:
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Standalone Plugin vs In-repo Plugin
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-----------------------------------
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Since all that's required for a plugin to be detected by tempest is a valid
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Since all that's required for a plugin to be detected by Tempest is a valid
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setuptools entry point in the proper namespace there is no difference from the
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tempest perspective on either creating a separate python package to
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Tempest perspective on either creating a separate python package to
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house the plugin or adding the code to an existing python project. However,
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there are tradeoffs to consider when deciding which approach to take when
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creating a new plugin.
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@ -91,9 +91,9 @@ the other project. It lets you version the plugin independently and maintain a
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single version of the test code across project release boundaries (see the
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`Branchless Tempest Spec`_ for more details on this). It also greatly
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simplifies the install time story for external users. Instead of having to
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install the right version of a project in the same python namespace as tempest
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install the right version of a project in the same python namespace as Tempest
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they simply need to pip install the plugin in that namespace. It also means
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that users don't have to worry about inadvertently installing a tempest plugin
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that users don't have to worry about inadvertently installing a Tempest plugin
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when they install another package.
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.. _Branchless Tempest Spec: http://specs.openstack.org/openstack/qa-specs/specs/tempest/implemented/branchless-tempest.html
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@ -108,9 +108,9 @@ single combined commit.
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Plugin Class
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============
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To provide tempest with all the required information it needs to be able to run
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your plugin you need to create a plugin class which tempest will load and call
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to get information when it needs. To simplify creating this tempest provides an
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To provide Tempest with all the required information it needs to be able to run
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your plugin you need to create a plugin class which Tempest will load and call
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to get information when it needs. To simplify creating this Tempest provides an
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abstract class that should be used as the parent for your plugin. To use this
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you would do something like the following:
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@ -147,7 +147,7 @@ create a directory structure with something like::
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services/
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client.py
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That will mirror what people expect from tempest. The file
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That will mirror what people expect from Tempest. The file
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* **config.py**: contains any plugin specific configuration variables
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* **plugin.py**: contains the plugin class used for the entry point
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@ -156,14 +156,14 @@ That will mirror what people expect from tempest. The file
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* **services**: where the plugin specific service clients are
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Additionally, when you're creating the plugin you likely want to follow all
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of the tempest developer and reviewer documentation to ensure that the tests
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being added in the plugin act and behave like the rest of tempest.
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of the Tempest developer and reviewer documentation to ensure that the tests
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being added in the plugin act and behave like the rest of Tempest.
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Dealing with configuration options
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----------------------------------
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Historically Tempest didn't provide external guarantees on its configuration
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options. However, with the introduction of the plugin interface this is no
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Historically, Tempest didn't provide external guarantees on its configuration
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options. However, with the introduction of the plugin interface, this is no
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longer the case. An external plugin can rely on using any configuration option
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coming from Tempest, there will be at least a full deprecation cycle for any
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option before it's removed. However, just the options provided by Tempest
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@ -171,7 +171,7 @@ may not be sufficient for the plugin. If you need to add any plugin specific
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configuration options you should use the ``register_opts`` and
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``get_opt_lists`` methods to pass them to Tempest when the plugin is loaded.
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When adding configuration options the ``register_opts`` method gets passed the
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CONF object from tempest. This enables the plugin to add options to both
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CONF object from Tempest. This enables the plugin to add options to both
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existing sections and also create new configuration sections for new options.
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Service Clients
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@ -325,23 +325,23 @@ Using Plugins
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Tempest will automatically discover any installed plugins when it is run. So by
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just installing the python packages which contain your plugin you'll be using
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them with tempest, nothing else is really required.
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them with Tempest, nothing else is really required.
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However, you should take care when installing plugins. By their very nature
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there are no guarantees when running tempest with plugins enabled about the
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there are no guarantees when running Tempest with plugins enabled about the
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quality of the plugin. Additionally, while there is no limitation on running
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with multiple plugins it's worth noting that poorly written plugins might not
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with multiple plugins, it's worth noting that poorly written plugins might not
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properly isolate their tests which could cause unexpected cross interactions
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between plugins.
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Notes for using plugins with virtualenvs
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----------------------------------------
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When using a tempest inside a virtualenv (like when running under tox) you have
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When using a Tempest inside a virtualenv (like when running under tox) you have
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to ensure that the package that contains your plugin is either installed in the
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venv too or that you have system site-packages enabled. The virtualenv will
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isolate the tempest install from the rest of your system so just installing the
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plugin package on your system and then running tempest inside a venv will not
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isolate the Tempest install from the rest of your system so just installing the
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plugin package on your system and then running Tempest inside a venv will not
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work.
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Tempest also exposes a tox job, all-plugin, which will setup a tox virtualenv
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@ -91,7 +91,7 @@ you would run the following:
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#. paste the output table with numbers and the mysql command you ran to
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generate it into the etherpad.
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Eventually a CLI interface will be created to make that a bit more friendly.
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Eventually, a CLI interface will be created to make that a bit more friendly.
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Also a dashboard is in the works so we don't need to manually run the command.
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The intent of the 2nd prong is to verify that moving the test into a project
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@ -102,7 +102,7 @@ testing isn't really being effective in catching that bug (and therefore
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blocking it from landing) and having the testing run in Tempest still has
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value.
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However for the 3rd prong verification is a bit more subjective. The original
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However, for the 3rd prong verification is a bit more subjective. The original
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intent of this prong was mostly for refstack/defcore and also for things that
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running on the stable branches. We don't want to remove any tests if that
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would break our API consistency checking between releases, or something that
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@ -116,7 +116,7 @@ Discussing the 3rd prong
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""""""""""""""""""""""""
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There are 2 approaches to addressing the 3rd prong. Either it can be raised
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during a qa meeting during the Tempest discussion. Please put it on the agenda
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during a QA meeting during the Tempest discussion. Please put it on the agenda
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well ahead of the scheduled meeting. Since the meeting time will be well known
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ahead of time anyone who depends on the tests will have ample time beforehand
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to outline any concerns on the before the meeting. To give ample time for
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@ -133,7 +133,7 @@ nature of ML.
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Exceptions to this procedure
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----------------------------
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For the most part all Tempest test removals have to go through this procedure
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For the most part, all Tempest test removals have to go through this procedure
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there are a couple of exceptions though:
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#. The class of testing has been decided to be outside the scope of Tempest.
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@ -145,7 +145,7 @@ there are a couple of exceptions though:
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Such tests cannot live in Tempest because of the branchless nature of
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Tempest. Such tests must still honor `prong #3`_.
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For the first exception type the only types of testing in tree which have been
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For the first exception type, the only types of testing in the tree which have been
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declared out of scope at this point are:
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* The CLI tests (which should be completely removed at this point)
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@ -154,7 +154,7 @@ declared out of scope at this point are:
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* XML API Tests (which should be completely removed at this point)
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* EC2 API/boto tests (which should be completely removed at this point)
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For tests that fit into this category the only criteria for removal is that
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For tests that fit into this category, the only criteria for removal is that
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there is equivalent testing elsewhere.
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Tempest Scope
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@ -187,7 +187,7 @@ that API cannot live in Tempest anymore.
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This is because tests would not be able to know or control which API response
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to expect, and thus would not be able to enforce a specific behavior.
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If a test exists in Tempest that would meet this criteria as consequence of a
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change, the test must be removed according to the procedure discussed into
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If a test exists in Tempest that would meet these criteria as a consequence of a
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change, the test must be removed according to the procedure discussed in
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this document. The API change should not be merged until all conditions
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required for test removal can be met.
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@ -4,7 +4,7 @@ Tempest Test Writing Guide
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##########################
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This guide serves as a starting point for developers working on writing new
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Tempest tests. At a high level tests in Tempest are just tests that conform to
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Tempest tests. At a high level, tests in Tempest are just tests that conform to
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the standard python `unit test`_ framework. But there are several aspects of
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that are unique to Tempest and its role as an integration test suite running
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against a real cloud.
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