Updating installer to install new pulpcore-plugin repo

https://pulp.plan.io/issues/4192
ref #4192

README.md

@@ -122,6 +122,7 @@ a single parent directory.
 ```
 $ git clone https://github.com/pulp/ansible-pulp3.git
 $ git clone https://github.com/pulp/pulp.git
+$ git clone https://github.com/pulp/pulpcore-plugin.git
 $ git clone https://github.com/pulp/pulp_file.git
 ```
 

roles/pulp3/tasks/install.yml

@@ -65,17 +65,22 @@
         virtualenv: '{{ pulp_install_dir }}'
         virtualenv_command: '{{ pulp_python_interpreter }} -m venv'
 
-    - name: Install pulpcore packages from source
+    - name: Install pulpcore package from source
       pip:
-        name: '{{ pulp_source_dir }}/{{ item }}'
+        name: '{{ pulp_source_dir }}'
         editable: yes
         virtualenv: '{{ pulp_install_dir }}'
         virtualenv_command: '{{ pulp_python_interpreter }} -m venv'
-      with_items:
-        - pulpcore
-        - plugin
       when: pulp_source_dir is defined
 
+    - name: Install pulpcore-plugin package from source
+      pip:
+        name: '{{ pulp_plugin_source_dir }}'
+        editable: yes
+        virtualenv: '{{ pulp_install_dir }}'
+        virtualenv_command: '{{ pulp_python_interpreter }} -m venv'
+      when: pulp_plugin_source_dir is defined
+
     - name: Install Pulp plugins via PyPI
       pip:
         name: '{{ item.key }}'

source-install.yml

@@ -2,6 +2,7 @@
 - hosts: all
   vars:
     pulp_source_dir: "/home/vagrant/devel/pulp"
+    pulp_plugin_source_dir: "/home/vagrant/devel/pulpcore-plugin"
     pulp_secret_key: "unsafe_default"
     pulp_default_admin_password: password
     pulp_install_plugins: