Rename install-if-python to ensure-if-python for consistency

The old role will be kept and include ensure-if-python for backwards-compatability.

Change-Id: Ief86799bcd91358d3ce8b6badda272a26ee04002

doc/source/python-roles.rst

@@ -4,6 +4,7 @@ Python Roles
 .. zuul:autorole:: build-python-release
 .. zuul:autorole:: build-releasenotes
 .. zuul:autorole:: ensure-babel
+.. zuul:autorole:: ensure-if-python
 .. zuul:autorole:: ensure-python
 .. zuul:autorole:: ensure-sphinx
 .. zuul:autorole:: ensure-tox

playbooks/releasenotes/run.yaml

@@ -1,6 +1,6 @@
 - hosts: all
   roles:
-    - role: install-if-python
+    - role: ensure-if-python
       # Releasenotes do not need the package itself to be installed
       install_package: false
     - build-releasenotes

playbooks/sphinx/run.yaml

@@ -1,4 +1,4 @@
 - hosts: all
   roles:
-    - install-if-python
+    - ensure-if-python
     - sphinx

roles/ensure-if-python/README.rst

@@ -0,0 +1,30 @@
+Install the contents of a directory if they contain a python project.
+
+Installs into a virtualenv.
+
+**Role Variables**
+
+.. zuul:rolevar:: install_package
+   :default: true
+
+   Flag indicating whether or not the software in the ``zuul_work_dir`` should
+   be installed.
+
+.. zuul:rolevar:: error_on_failure
+
+   Flag that indicates installation errors should result in failure. Failures
+   in installing the target directory are ignored by default.
+
+.. zuul:rolevar:: constraints_file
+
+   Optional path to a pip constraints file to use when installing.
+
+.. zuul:rolevar:: zuul_work_virtualenv
+   :default: ~/.venv
+
+   Virtualenv location in which to install things.
+
+.. zuul:rolevar:: zuul_work_dir
+   :default: {{ zuul.project.src_dir }}
+
+   Directory to operate in.

roles/ensure-if-python/tasks/main.yaml

@@ -0,0 +1,74 @@
+# TODO(mordred) rework tox-siblings so it can be used here - probably by
+# making it take a parameter as to what path to python/pip to use.
+
+- name: Find Constraints File
+  include_role:
+    name: find-constraints
+
+- name: Check to see if the project is a python project
+  find:
+    paths: "{{ zuul_work_dir }}"
+    patterns:
+      - setup.cfg
+      - setup.py
+  register: found_python_files
+  when: install_package
+
+# Installing the directory with the constraints flag can hit into problems
+# with conflicting values between constraints and current project. So look
+# for a requirements.txt file so we can install it directly.
+- name: Check to see if the project has a requirements.txt file
+  stat:
+    get_checksum: false
+    get_mime: false
+    get_md5: false
+    path: "{{ zuul_work_dir }}/requirements.txt"
+  register: requirements_file
+
+- name: Install requirements if they exist
+  pip:
+    chdir: "{{ zuul_work_dir }}"
+    virtualenv: "{{ zuul_work_virtualenv }}"
+    requirements: requirements.txt
+    extra_args: "{{ upper_constraints|default(omit) }}"
+  register: requirements_install
+  when:
+    - install_package
+    - found_python_files.matched
+    - requirements_file.stat.exists
+  failed_when:
+    - error_on_failure is defined
+    - error_on_failure
+    - requirements_install is failed
+
+# Build an sdist. This is needed for pbr projects that may expect
+# the ChangeLog to have been generated.
+- name: Make sdist to generate ChangeLog
+  command:
+    cmd: "{{ zuul_work_virtualenv }}/bin/python setup.py sdist"
+    chdir: "{{ zuul_work_dir }}"
+  when:
+    - install_package
+    - found_python_files.matched
+  register: sdist_results
+  failed_when:
+    - error_on_failure is defined
+    - error_on_failure
+    - sdist_results is failed
+
+# Try installing current repo in case it needs to be available for
+# example for version number calculation. Ignore any failures here.
+- name: Install the project if it is a Python project
+  pip:
+    chdir: "{{ zuul_work_dir }}"
+    virtualenv: "{{ zuul_work_virtualenv }}"
+    name: .
+    extra_args: --no-deps
+  when:
+    - install_package
+    - found_python_files.matched
+  register: install_package_results
+  failed_when:
+    - error_on_failure is defined
+    - error_on_failure
+    - install_package_results is failed

roles/install-if-python/README.rst

@@ -1,30 +1 @@
-Install the contents of a directory if they contain a python project.
-
-Installs into a virtualenv.
-
-**Role Variables**
-
-.. zuul:rolevar:: install_package
-   :default: true
-
-   Flag indicating whether or not the software in the ``zuul_work_dir`` should
-   be installed.
-
-.. zuul:rolevar:: error_on_failure
-
-   Flag that indicates installation errors should result in failure. Failures
-   in installing the target directory are ignored by default.
-
-.. zuul:rolevar:: constraints_file
-
-   Optional path to a pip constraints file to use when installing.
-
-.. zuul:rolevar:: zuul_work_virtualenv
-   :default: ~/.venv
-
-   Virtualenv location in which to install things.
-
-.. zuul:rolevar:: zuul_work_dir
-   :default: {{ zuul.project.src_dir }}
-
-   Directory to operate in.
+.. warning:: Deprecated, use ensure-if-python instead.

roles/install-if-python/tasks/main.yaml

@@ -1,74 +1,3 @@
-# TODO(mordred) rework tox-siblings so it can be used here - probably by
-# making it take a parameter as to what path to python/pip to use.
-
-- name: Find Constraints File
+- name: Include ensure-if-python.
   include_role:
-    name: find-constraints
-
-- name: Check to see if the project is a python project
-  find:
-    paths: "{{ zuul_work_dir }}"
-    patterns:
-      - setup.cfg
-      - setup.py
-  register: found_python_files
-  when: install_package
-
-# Installing the directory with the constraints flag can hit into problems
-# with conflicting values between constraints and current project. So look
-# for a requirements.txt file so we can install it directly.
-- name: Check to see if the project has a requirements.txt file
-  stat:
-    get_checksum: false
-    get_mime: false
-    get_md5: false
-    path: "{{ zuul_work_dir }}/requirements.txt"
-  register: requirements_file
-
-- name: Install requirements if they exist
-  pip:
-    chdir: "{{ zuul_work_dir }}"
-    virtualenv: "{{ zuul_work_virtualenv }}"
-    requirements: requirements.txt
-    extra_args: "{{ upper_constraints|default(omit) }}"
-  register: requirements_install
-  when:
-    - install_package
-    - found_python_files.matched
-    - requirements_file.stat.exists
-  failed_when:
-    - error_on_failure is defined
-    - error_on_failure
-    - requirements_install is failed
-
-# Build an sdist. This is needed for pbr projects that may expect
-# the ChangeLog to have been generated.
-- name: Make sdist to generate ChangeLog
-  command:
-    cmd: "{{ zuul_work_virtualenv }}/bin/python setup.py sdist"
-    chdir: "{{ zuul_work_dir }}"
-  when:
-    - install_package
-    - found_python_files.matched
-  register: sdist_results
-  failed_when:
-    - error_on_failure is defined
-    - error_on_failure
-    - sdist_results is failed
-
-# Try installing current repo in case it needs to be available for
-# example for version number calculation. Ignore any failures here.
-- name: Install the project if it is a Python project
-  pip:
-    chdir: "{{ zuul_work_dir }}"
-    virtualenv: "{{ zuul_work_virtualenv }}"
-    name: .
-    extra_args: --no-deps
-  when:
-    - install_package
-    - found_python_files.matched
-  register: install_package_results
-  failed_when:
-    - error_on_failure is defined
-    - error_on_failure
-    - install_package_results is failed
+    name: ensure-if-python