PYTHON-3399 Add launch.py to mongo-orchestration (#306)

Author: blink1073

.evergreen/config.yml

@@ -94,9 +94,11 @@ functions:
       type: test
       params:
         working_dir: "src"
+        shell: "bash"
         script: |
           ${PREPARE_SHELL}
-          .venv/bin/python -m pytest ${PYTEST_ARGS}
+          . .venv/bin/activate
+          pytest ${PYTEST_ARGS}
 
   "install dependencies":
     - command: shell.exec
@@ -105,8 +107,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           python3 -m venv .venv
-          .venv/bin/python -m pip install -e .
-          .venv/bin/python -m pip install pytest
+          .venv/bin/python -m pip install -e ".[test]"
 
 pre:
   - func: "fetch source"

README.rst

@@ -21,6 +21,7 @@ Features
 -  Freeze secondary members of replica sets.
 -  Retrieve information about MongoDB resources.
 -  Interaction all through REST interface.
+-  Launch simple local servers using ``mongo-launch`` CLI tool.
 
 Requires
 --------
@@ -189,6 +190,22 @@ piping the response into ``python -m json.tool``, e.g.:
         // etc.
     }
 
+Mongo Launch
+------------
+
+The ``mongo-launch`` CLI tool allows you to spin up servers locally
+with minimal configuration.
+
+..
+
+    mongo-launch --help
+    Usage: launch.py [single|replica|shard] [ssl] [auth]
+
+..
+
+    mongo-orchestration start
+    mongo-launch replica ssl auth
+
 Tests
 -----
 
@@ -225,6 +242,7 @@ Changelog
 Changes in Version 0.8.0 (TBD)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+- Add ``mongo-launch`` CLI tool.
 - Upgrade to PyMongo 4.x and set up GitHub Actions testing.
 - Remove support for managing MongoDB 3.4 or earlier servers.
 - Remove support for Python 3.5 or earlier.