doc: update microovn url, microceph variable (#1442)

- Updates MicroOVN docs URL following the move to
ubuntu.com/docs/microovn.
- Updates the MicroCeph build directory variable after `BUILDDIR` was
changed to `DOCS_BUILDDIR` in
canonical/microceph#794.

## Checklist

- [x] I have read the [contributing
guidelines](https://github.com/canonical/microcloud/blob/main/CONTRIBUTING.md)
and attest that all commits in this PR are [signed
off](https://github.com/canonical/microcloud/blob/main/CONTRIBUTING.md#including-a-signed-off-by-line-in-your-commits),
[cryptographically
signed](https://github.com/canonical/microcloud/blob/main/CONTRIBUTING.md#commit-signature-verification),
and follow this project's [commit
structure](https://github.com/canonical/microcloud/blob/main/CONTRIBUTING.md#commit-structure).
- [x] I have checked and added or updated relevant documentation.

Author: roosterfish

doc/.sphinx/_integration/add_config.py

@@ -23,6 +23,6 @@
     # Add "integrated" to the list of custom tags
     tags.add('integrated')
 elif project == "MicroOVN":
-    html_baseurl = "https://canonical-microovn.readthedocs-hosted.com/en/latest/"
+    html_baseurl = "https://ubuntu.com/docs/microovn/latest/"
     custom_tags.append('integrated')
 

doc/Makefile

@@ -118,15 +118,15 @@ integrate:
 html: integrate install
 	mkdir -p $(current_dir)/_build
 	cd integration/lxd/doc/ && $(MAKE) html BUILDDIR=$(current_dir)/_build/lxd
-	cd integration/microceph/docs/ && $(MAKE) html BUILDDIR=$(current_dir)/_build/microceph
+	cd integration/microceph/docs/ && $(MAKE) html DOCS_BUILDDIR=$(current_dir)/_build/microceph
 	cd integration/microovn/docs/ && $(MAKE) html BUILDDIR=$(current_dir)/_build/microovn
 	. $(DOCS_VENV); $(SPHINX_BUILD) -W --keep-going -b dirhtml "$(DOCS_SOURCEDIR)" "$(current_dir)/_build" -w $(SPHINX_DIR)/warnings.txt $(SPHINX_OPTS)
 
 # `html-rtd` builds the integrated docs, with the correct paths for Read the Docs.
 # This target is used by the Read the Docs build.
 html-rtd: install
 	PATH_PREFIX=$(PATH_PREFIX) $(MAKE) -C integration/lxd/doc/ html-rtd BUILDDIR=$(READTHEDOCS_OUTPUT)/html/lxd
-	PATH_PREFIX=$(PATH_PREFIX) $(MAKE) -C integration/microceph/docs/ html BUILDDIR=$(READTHEDOCS_OUTPUT)/html/microceph
+	PATH_PREFIX=$(PATH_PREFIX) $(MAKE) -C integration/microceph/docs/ html DOCS_BUILDDIR=$(READTHEDOCS_OUTPUT)/html/microceph
 	PATH_PREFIX=$(PATH_PREFIX) $(MAKE) -C integration/microovn/docs/ html BUILDDIR=$(READTHEDOCS_OUTPUT)/html/microovn
 	. $(DOCS_VENV); PATH_PREFIX=$(PATH_PREFIX) $(SPHINX_BUILD) -W --keep-going -b dirhtml "$(DOCS_SOURCEDIR)" "$(READTHEDOCS_OUTPUT)/html" -w $(SPHINX_DIR)/warnings.txt $(SPHINX_OPTS)
 

doc/conf.py

@@ -267,7 +267,7 @@
     intersphinx_mapping = {
         'lxd': ('https://canonical.com/lxd/docs/latest/', None),
         'microceph': ('https://documentation.ubuntu.com/canonical-microceph/latest/', None),
-        'microovn': ('https://canonical-microovn.readthedocs-hosted.com/en/latest/', None),
+        'microovn': ('https://ubuntu.com/docs/microovn/latest/', None),
     }
 elif ('READTHEDOCS' in os.environ) and (os.environ['READTHEDOCS'] == 'True'):
     intersphinx_mapping = {