change http links to https links

Change-Id: I9875b8db497129baebadc8e74cf602ea1c063cbd
diff --git a/HACKING.rst b/HACKING.rst
index e767b25..f2b800a 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -431,7 +431,7 @@
 by modifying Tempest's `lib installation script`_ for previous branches
 (because DevStack is branched).
 
-.. _lib installation script: http://git.openstack.org/cgit/openstack-dev/devstack/tree/lib/tempest
+.. _lib installation script: https://git.openstack.org/cgit/openstack-dev/devstack/tree/lib/tempest
 
 2. Bug fix on core project needing Tempest changes
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/README.rst b/README.rst
index 307ceb3..73930f1 100644
--- a/README.rst
+++ b/README.rst
@@ -165,7 +165,7 @@
 interface and when Z is incremented it's a bug fix release for the library.
 Also note that both Y and Z are reset to 0 at each increment of X.
 
-.. _semver: http://semver.org/
+.. _semver: https://semver.org/
 
 Configuration
 -------------
@@ -218,7 +218,7 @@
 argument is no longer required, however it may perform faster if included.
 
 For more information on these options and details about stestr, please see the
-`stestr documentation <http://stestr.readthedocs.io/en/latest/MANUAL.html>`_.
+`stestr documentation <https://stestr.readthedocs.io/en/latest/MANUAL.html>`_.
 
 Python 3.x
 ----------
diff --git a/doc/source/plugin.rst b/doc/source/plugin.rst
index 9958792..dc0e94c 100644
--- a/doc/source/plugin.rst
+++ b/doc/source/plugin.rst
@@ -96,7 +96,7 @@
 that users don't have to worry about inadvertently installing a Tempest plugin
 when they install another package.
 
-.. _Branchless Tempest Spec: http://specs.openstack.org/openstack/qa-specs/specs/tempest/implemented/branchless-tempest.html
+.. _Branchless Tempest Spec: https://specs.openstack.org/openstack/qa-specs/specs/tempest/implemented/branchless-tempest.html
 
 The sole advantage to integrating a plugin into an existing python project is
 that it enables you to land code changes at the same time you land test changes