embed yarn (#7740)

* embed yarn binary using yarn policies set-version and loosen the restriction on yarn in the dockerfile and the package.json

* don't lint the embedded yarn package

scripts/cross/Dockerfile

@@ -16,7 +16,7 @@ RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
 RUN curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
 RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
 
-RUN apt-get update -y && apt-get install -y -q nodejs yarn=1.19.1
+RUN apt-get update -y && apt-get install -y -q nodejs yarn
 
 RUN rm -rf /var/lib/apt/lists/*
 

ui/.eslintignore

@@ -10,6 +10,7 @@
 /bower_components/
 /node_modules/
 /.storybook/
+/.yarn/
 /stories/
 
 # misc

ui/.yarnrc

@@ -0,0 +1,6 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+lastUpdateCheck 1572032507422
+yarn-path ".yarn/releases/yarn-1.19.1.js"

ui/README.md

@@ -39,6 +39,9 @@ If don't want optional dependencies installed you can run `yarn --ignore-optiona
 previously and want to install them, you have to tell yarn to refetch all deps by
 running `yarn --force`.
 
+In order to enforce the same version of `yarn` across installs, the `yarn` binary is included in the repo 
+in the `.yarn/releases` folder. To update to a different version of `yarn`, use the `yarn policies set-version VERSION` command. For more information on this, see the [documentation](https://yarnpkg.com/en/docs/cli/policies).
+
 ## Running / Development
 
 To get all of the JavaScript dependencies installed, run this in the `ui` directory:
@@ -48,7 +51,7 @@ To get all of the JavaScript dependencies installed, run this in the `ui` direct
 If you want to run Vault UI and proxy back to a Vault server running
 on the default port, 8200, run the following in the `ui` directory:
 
-- `yarn run start`
+- `yarn start`
 
 This will start an Ember CLI server that proxies requests to port 8200,
 and enable live rebuilding of the application as you change the UI application code.

ui/package.json

@@ -155,8 +155,7 @@
     "handlebars": "^4.1.2"
   },
   "engines": {
-    "node": " >= 10.* <11",
-    "yarn": "1.19.1"
+    "node": " >= 10.* <11"
   },
   "private": true,
   "ember-addon": {