Add devstack base job for zuul v3
This should be managed in the devstack repo, since it's a base job to
run devstack.
Change-Id: Iffe54fbccbccd68db08f79a1b51dd7f76dbff408
Depends-On: Ie2119f24360d56690ffd772b95a9ea6b98dd4a39
diff --git a/roles/export-devstack-journal/README.rst b/roles/export-devstack-journal/README.rst
new file mode 100644
index 0000000..5f00592
--- /dev/null
+++ b/roles/export-devstack-journal/README.rst
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+Export journal files from devstack services
+
+Export the systemd journal for every devstack service in native
+journal format as well as text. Also, export a syslog-style file with
+kernal and sudo messages.
+
+Writes the output to the ``logs/`` subdirectory of
+``devstack_base_dir``.
+
+**Role Variables**
+
+.. zuul:rolevar:: devstack_base_dir
+ :default: /opt/stack
+
+ The devstack base directory.