Cache deps for static analysis tools (#654)

.github/workflows/ci.yml

@@ -36,11 +36,14 @@ jobs:
         with:
           ruby-version: '2.7'
       - uses: actions/setup-python@v2
+        with:
+          python-version: '3.9'
       - uses: erlef/setup-beam@v1
         with:
           otp-version: '25.0'
           elixir-version: '1.13.4'
       - uses: actions/cache@v2
+        name: Setup Elixir cache
         with:
           path: |
             deps
@@ -48,8 +51,29 @@ jobs:
           key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
           restore-keys: |
             ${{ runner.os }}-mix-
-      - name: Install Dependencies
+      - uses: actions/cache@v2
+        name: Setup ruby cache
+        with:
+          path: vendor/bundle
+          key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-gems-
+      - uses: actions/cache@v2
+        name: Setup Python cache
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+      - name: Install Elixir Dependencies
         run: mix deps.get --only dev
+      - name: Install Ruby Dependencies
+        run: |
+          bundle config path vendor/bundle
+          bundle install --jobs 4 --retry 3
+      - name: Install Python Dependencies
+        run: |
+          pip install -r requirements.txt
       # Don't cache PLTs based on mix.lock hash, as Dialyzer can incrementally update even old ones
       # Cache key based on Elixir & Erlang version (also usefull when running in matrix)
       - name: Restore PLT cache
@@ -66,9 +90,8 @@ jobs:
       - name: Create PLTs
         if: steps.plt_cache.outputs.cache-hit != 'true'
         run: mix dialyzer --plt
-      - run: |
-          gem install rubocop
-          pip install pre-commit
+      - name: Run pre-commit
+        run: |
           pre-commit install
           SKIP=no-commit-to-branch pre-commit run --all-files
 

.pre-commit-config.yaml

@@ -27,7 +27,7 @@ repos:
         files: \.ex$
       - id: rubocop
         name: 'ruby: rubocop'
-        entry: rubocop
+        entry: bundle exec rubocop
         language: system
         pass_filenames: false
         files: \.rb$

.rubocop.yml

@@ -1,5 +1,6 @@
 AllCops:
   TargetRubyVersion: 2.7
   Exclude:
+    - "vendor/**/*"
     - "apps/fz_http/assets/node_modules/**/*"
     - "omnibus/cookbooks/firezone/attributes/default.rb"

.tool-versions

@@ -3,4 +3,7 @@
 nodejs 14.19.3
 elixir 1.13.4-otp-25
 erlang 25.0
+
+# Used for static analysis
 ruby 2.7.5
+python 3.9.13

Gemfile

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+gem 'rubocop'

Gemfile.lock

@@ -0,0 +1,32 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    parallel (1.22.1)
+    parser (3.1.2.0)
+      ast (~> 2.4.1)
+    rainbow (3.1.1)
+    regexp_parser (2.4.0)
+    rexml (3.2.5)
+    rubocop (1.30.0)
+      parallel (~> 1.10)
+      parser (>= 3.1.0.0)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.18.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.18.0)
+      parser (>= 3.1.1.0)
+    ruby-progressbar (1.11.0)
+    unicode-display_width (2.1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rubocop
+
+BUNDLED WITH
+   2.1.4

requirements.txt

@@ -0,0 +1 @@
+pre-commit