Fix doc8's "duplicated target names" (D000) error

This patch is enabling the D000 error (duplicated target names) in doc8
and fixing the occurrences of this error in the docs.

Change-Id: Iac048d213e0571b99696ec708f5c07d6e1bebb19

doc/source/deploy/install-guide.rst

@@ -1859,12 +1859,12 @@ in swift. HTTPS is required to encrypt all communication between swift and Ironi
 conductor and swift and bare metal (via virtual media).  It can be enabled in one
 of the following ways:
 
-* Using an SSL termination proxy. For more information, `see here
+* `Using an SSL termination proxy
   <http://docs.openstack.org/security-guide/secure-communication/tls-proxies-and-http-services.html>`_
 
-* Using native SSL support in swift (recommended only for testing
-  purpose by swift). For more information,
-  `see here <http://docs.openstack.org/developer/swift/deployment_guide.html>`_
+* `Using native SSL support in swift
+  <http://docs.openstack.org/developer/swift/deployment_guide.html>`_
+  (recommended only for testing purpose by swift).
 
 Using Bare Metal service as a standalone service
 ================================================
@@ -2114,19 +2114,18 @@ the configuration drive and mount it, for example::
 Cloud-init integration
 ----------------------
 
-The configuration drive can be especially
-useful when used with ``cloud-init`` [`link
-<http://cloudinit.readthedocs.org/en/latest/topics/datasources.html#config-drive>`_],
+The configuration drive can be
+especially useful when used with `cloud-init
+<http://cloudinit.readthedocs.org/en/latest/topics/datasources.html#config-drive>`_,
 but in order to use it we should follow some rules:
 
-* ``Cloud-init`` expects a specific format to the data. For
-  more information about the expected file layout see [`link
-  <http://docs.openstack.org/user-guide/cli_config_drive.html#configuration-drive-contents>`_].
+* ``Cloud-init`` `expects a specific format to the data
+  <http://docs.openstack.org/user-guide/cli_config_drive.html#configuration-drive-contents>`_.
 
 
 * Since the Bare Metal service uses a disk partition as the configuration drive,
-  it will only work with ``cloud-init`` version **>= 0.7.5** [`link
-  <http://bazaar.launchpad.net/~cloud-init-dev/cloud-init/trunk/view/head:/ChangeLog>`_].
+  it will only work with
+  `cloud-init version >= 0.7.5 <http://bazaar.launchpad.net/~cloud-init-dev/cloud-init/trunk/view/head:/ChangeLog>`_.
 
 
 * ``Cloud-init`` has a collection of data source modules, so when
@@ -2136,9 +2135,8 @@ but in order to use it we should follow some rules:
 
     DIB_CLOUD_INIT_DATASOURCES="ConfigDrive, OpenStack" disk-image-create -o fedora-cloud-image fedora baremetal
 
-  See [`link
-  <http://docs.openstack.org/developer/diskimage-builder/elements/cloud-init-datasources/README.html>`_]
-  for more information.
+  For more information see `how to configure cloud-init data sources
+  <http://docs.openstack.org/developer/diskimage-builder/elements/cloud-init-datasources/README.html>`_.
 
 .. _BuildingDeployRamdisk:
 

doc/source/drivers/ilo.rst

@@ -56,9 +56,8 @@ Different Configuration for ilo drivers
 Glance Configuration
 ^^^^^^^^^^^^^^^^^^^^
 
-1. Configure Glance image service with its storage backend as Swift. See
-   `here <http://docs.openstack.org/developer/glance/configuring.html#configuring-the-swift-storage-backend>`_
-   for configuration instructions.
+1. `Configure Glance image service with its storage backend as Swift
+   <http://docs.openstack.org/developer/glance/configuring.html#configuring-the-swift-storage-backend>`_.
 
 2. Set a temp-url key for Glance user in Swift. For example, if you have
    configured Glance with user ``glance-swift`` and tenant as ``service``,
@@ -640,7 +639,8 @@ To enable ``secure_boot`` on a node add it to ``capabilities`` as below::
 
  ironic node-update <node-uuid> add properties/capabilities='secure_boot:true'
 
-Alternatively use `Hardware Inspection`_ to populate the secure boot capability.
+Alternatively see `Hardware Inspection Support`_ to know how to
+automatically populate the secure boot capability.
 
 Nodes having ``secure_boot`` set to ``true`` may be requested by adding an
 ``extra_spec`` to the nova flavor::

tox.ini

@@ -32,7 +32,7 @@ commands =
   # Check that .po and .pot files are valid:
   bash -c "find ironic -type f -regex '.*\.pot?' -print0|xargs -0 -n 1 msgfmt --check-format -o /dev/null"
   # Check the *.rst files
-  doc8 README.rst CONTRIBUTING.rst doc/source --ignore D001 --ignore D000
+  doc8 README.rst CONTRIBUTING.rst doc/source --ignore D001
 
 [testenv:cover]
 setenv = VIRTUAL_ENV={envdir}