diff --git a/.ci/build.sh b/.ci/build.sh
index d440fb22d..15dfa9159 100755
--- a/.ci/build.sh
+++ b/.ci/build.sh
@@ -6,10 +6,10 @@ root="$( cd -P "$( dirname "$csource" )/../" && pwd )"
 
 . "${root}/.ci/init.sh"
 
-pushd "${root}" > "${output}"
+pushd "${root}"
 
 # Build our gem
-wrap gem build *.gemspec \
+wrap gem build ./*.gemspec \
      "Failed to build Vagrant RubyGem"
 
 # Get the path of our new gem
diff --git a/.ci/release.sh b/.ci/release.sh
index a1e524c71..531eb09b8 100755
--- a/.ci/release.sh
+++ b/.ci/release.sh
@@ -1,7 +1,5 @@
 #!/usr/bin/env bash
 
-ghr_version="0.13.0"
-
 # NOTE: This release will generate a new release on the installers
 # repository which in turn triggers a full package build
 target_owner="hashicorp"
@@ -13,15 +11,10 @@ root="$( cd -P "$( dirname "$csource" )/../" && pwd )"
 
 . "${root}/.ci/init.sh"
 
-pushd "${root}" > "${output}" 2>&1
+pushd "${root}"
 
 # Install ghr
-wrap curl -Lso /tmp/ghr.tgz "https://github.com/tcnksm/ghr/releases/download/v${ghr_version}/ghr_v${ghr_version}_linux_amd64.tar.gz" \
-     "Failed to download ghr utility"
-wrap tar -C /tmp/ -xf /tmp/ghr.tgz \
-     "Failed to unpack ghr archive"
-wrap mv "/tmp/ghr_v${ghr_version}_linux_amd64/ghr" "${root}/.ci/" \
-     "Failed to install ghr utility"
+install_ghr
 
 # Build our gem
 wrap gem build ./*.gemspec \
@@ -29,7 +22,7 @@ wrap gem build ./*.gemspec \
 
 # Get the path of our new gem
 g=(vagrant*.gem)
-gem=$(printf "%s" "${g}")
+gem=$(printf "%s" "${g[0]}")
 
 # Determine the version of the release
 vagrant_version="$(gem specification "${gem}" version)"
@@ -91,16 +84,17 @@ repo_owner="${target_owner}"
 repo_name="${target_repository}"
 full_sha="main"
 
+# Use the hashibot token since we are creating the (pre)release
+# in a different repository.
 export GITHUB_TOKEN="${HASHIBOT_TOKEN}"
 
-if [ "${tag}" = "" ]; then
+if [ -z "${tag}" ]; then
     echo "Generating Vagrant RubyGem pre-release... "
     version="v${vagrant_version}+${short_sha}"
     prerelease "${version}" ./release-assets
 else
     # Validate this is a proper release version
-    valid_release_version "${vagrant_version}"
-    if [ $? -ne 0 ]; then
+    if ! valid_release_version "${vagrant_version}"; then
         fail "Invalid version format for Vagrant release: ${vagrant_version}"
     fi
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9a6e3bb2f..4f8e7c730 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
   build-gem:
     if: github.repository == 'hashicorp/vagrant'
     name: Build Vagrant RubyGem
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - name: Code Checkout
         uses: actions/checkout@v1
@@ -26,19 +26,7 @@ jobs:
         run: ./.ci/build.sh
         working-directory: ${{github.workspace}}
         env:
-          ASSETS_LONGTERM_PREFIX: elt
-          ASSETS_PRIVATE_BUCKET: ${{ secrets.ASSETS_PRIVATE_BUCKET }}
-          ASSETS_PRIVATE_LONGTERM: ${{ secrets.ASSETS_PRIVATE_LONGTERM }}
-          ASSETS_PRIVATE_SHORTTERM: ${{ secrets.ASSETS_PRIVATE_SHORTTERM }}
-          ASSETS_PUBLIC_BUCKET: ${{ secrets.ASSETS_PUBLIC_BUCKET }}
-          ASSETS_PUBLIC_LONGTERM: ${{ secrets.ASSETS_PUBLIC_LONGTERM }}
-          ASSETS_PUBLIC_SHORTTERM: ${{ secrets.ASSETS_PUBLIC_SHORTTERM }}
-          ASSETS_SHORTTERM_PREFIX: est
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          AWS_ASSUME_ROLE_ARN: ${{ secrets.AWS_ROLE_ARN }}
           HASHIBOT_EMAIL: ${{ secrets.HASHIBOT_EMAIL }}
           HASHIBOT_TOKEN: ${{ secrets.HASHIBOT_TOKEN }}
           HASHIBOT_USERNAME: ${{ secrets.HASHIBOT_USERNAME }}
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
-          VAGRANT_CI_LOADER_BUCKET: ${{ secrets.VAGRANT_CI_LOADER_BUCKET }}
diff --git a/.github/workflows/code.yml b/.github/workflows/code.yml
index 63ad1e8f4..135c3711e 100644
--- a/.github/workflows/code.yml
+++ b/.github/workflows/code.yml
@@ -7,25 +7,17 @@ on:
 jobs:
   sync-acceptance:
     if: github.repository == 'hashicorp/vagrant'
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - name: Code Checkout
         uses: actions/checkout@v2
         with:
           persist-credentials: false
           fetch-depth: 0
-      - name: Set Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '2.6'
       - name: Sync Acceptance Testing Repository
         run: ./.ci/sync.sh
         working-directory: ${{github.workspace}}
         env:
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          AWS_ASSUME_ROLE_ARN: ${{ secrets.AWS_ROLE_ARN }}
           HASHIBOT_TOKEN: ${{ secrets.HASHIBOT_TOKEN }}
           HASHIBOT_USERNAME: ${{ secrets.HASHIBOT_USERNAME }}
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
-          VAGRANT_CI_LOADER_BUCKET: ${{ secrets.VAGRANT_CI_LOADER_BUCKET }}
diff --git a/.github/workflows/go-spectest.yml b/.github/workflows/go-spectest.yml
index 27a9c2f2e..14e2e89ab 100644
--- a/.github/workflows/go-spectest.yml
+++ b/.github/workflows/go-spectest.yml
@@ -15,7 +15,7 @@ on:
 
 jobs:
   vagrant-spec-tests:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         go: ['^1.16']
@@ -23,7 +23,7 @@ jobs:
     name: Vagrant acceptance tests
     steps:
       - name: Code Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           submodules: 'recursive'
           # Also fetch all tags, since we need our version number in the build
@@ -37,10 +37,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{matrix.ruby}}
-      - name: Setup ruby vagrant
-        run: |
-          gem install --no-document bundler
-          bundle install
+          bundler-cache: true
       - name: Build Vagrant
         run:  |
           git config --global url."https://${HASHIBOT_USERNAME}:${HASHIBOT_TOKEN}@github.com".insteadOf "https://github.com"
diff --git a/.github/workflows/go-testing.yml b/.github/workflows/go-testing.yml
index 29cee6fe6..f1f1ea160 100644
--- a/.github/workflows/go-testing.yml
+++ b/.github/workflows/go-testing.yml
@@ -22,7 +22,7 @@ on:
 
 jobs:
   unit-tests-go:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         go: ['^1.16']
@@ -30,7 +30,7 @@ jobs:
     name: Vagrant unit tests on Go
     steps:
       - name: Code Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup Go
         uses: actions/setup-go@v3
         with:
@@ -39,10 +39,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{matrix.ruby}}
-      - name: Setup ruby vagrant
-        run: |
-          gem install --no-document bundler
-          bundle install
+          bundler-cache: true
       - name: Get dependencies
         run:  |
           git config --global url."https://${HASHIBOT_USERNAME}:${HASHIBOT_TOKEN}@github.com".insteadOf "https://github.com"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f800f2f08..1d8bfb884 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,11 +9,12 @@ on:
 
 jobs:
   trigger-release:
+    if: github.repository == 'hashicorp/vagrant'
     name: Trigger Installers Build
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - name: Code Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/spectesting.yml b/.github/workflows/spectesting.yml
index ad72d64ca..666c3d583 100644
--- a/.github/workflows/spectesting.yml
+++ b/.github/workflows/spectesting.yml
@@ -7,23 +7,39 @@ on:
     # Run nightly on weekdays at 05:00 UTC or midnight-ish in US time zones
     - cron: '0 5 * * 1-5'
 
+env:
+  runs-on: ['self-hosted', 'ondemand', 't3.nano']
+
 jobs:
+  slack-vars:
+    if: github.repository == 'hashicorp/vagrant-builders'
+    name: Populate vars
+    runs-on: env.runs-on
+    uses: ./.github/workflows/slack-vars.yml
+  packet-vars:
+    if: github.repository == 'hashicorp/vagrant-builders'
+    name: Populate vars
+    runs-on: env.runs-on
+    uses: ./.github/workflows/packet-vars.yml
   setup-packet:
     if: github.repository == 'hashicorp/vagrant-acceptance'
-    runs-on: self-hosted
+    runs-on: env.runs-on
     name: Build Packet Instance
     steps:
       - name: Code Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
       - name: Create packet instance
         run: ./.ci/spec/create-packet.sh
         working-directory: ${{github.workspace}}
         env:
-          VAGRANT_CI_LOADER_BUCKET: ${{ secrets.VAGRANT_CI_LOADER_BUCKET }}
-
+          PACKET_EXEC_TOKEN: ${{ needs.packet-vars.outputs.PACKET_EXEC_TOKEN }}
+          PACKET_EXEC_PROJECT_ID: ${{ needs.packet-vars.outputs.PACKET_EXEC_PROJECT_ID }}
+          PACKET_SSH_KEY_CONTENT: ${{ needs.packet-vars.outputs.PACKET_SSH_KEY_CONTENT }}
+          PKT_SECRET_PHRASE: ${{ needs.packaging-vars.outputs.ASSETS_PASSWORD }}
+          SLACK_WEBHOOK: ${{ needs.slack-vars.outputs.SLACK_WEBHOOK }}
   setup-hosts:
     if: github.repository == 'hashicorp/vagrant-acceptance'
-    runs-on: self-hosted
+    runs-on: env.runs-on
     name: Vagrant-Spec Start Hosts
     needs: setup-packet
     strategy:
@@ -33,22 +49,26 @@ jobs:
         providers: ['virtualbox', 'docker']
     steps:
       - name: Code Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
         with:
           submodules: 'recursive'
       - name: Create hosts for tests (provider ${{ matrix.providers }})
         run: ./.ci/spec/create-hosts.sh
         working-directory: ${{github.workspace}}
         env:
+          PACKET_EXEC_TOKEN: ${{ needs.packet-vars.outputs.PACKET_EXEC_TOKEN }}
+          PACKET_EXEC_PROJECT_ID: ${{ needs.packet-vars.outputs.PACKET_EXEC_PROJECT_ID }}
+          PACKET_SSH_KEY_CONTENT: ${{ needs.packet-vars.outputs.PACKET_SSH_KEY_CONTENT }}
+          PKT_SECRET_PHRASE: ${{ needs.packaging-vars.outputs.ASSETS_PASSWORD }}
+          SLACK_WEBHOOK: ${{ needs.slack-vars.outputs.SLACK_WEBHOOK }}
           VAGRANT_HOST_BOXES: ${{matrix.host_os}}
           VAGRANT_GUEST_BOXES: ${{matrix.guest_os}}
           VAGRANT_PRERELEASE_VERSION: ${{ github.event.client_payload.prerelease_version }}
           VAGRANT_SPEC_PROVIDERS: ${{matrix.providers}}
-          VAGRANT_CI_LOADER_BUCKET: ${{ secrets.VAGRANT_CI_LOADER_BUCKET }}
 
   spec-tests:
     if: github.repository == 'hashicorp/vagrant-acceptance'
-    runs-on: self-hosted
+    runs-on: env.runs-on
     name: Vagrant-Spec Tests
     needs: setup-hosts
     strategy:
@@ -62,31 +82,34 @@ jobs:
         run: ./.ci/spec/run-test.sh
         working-directory: ${{github.workspace}}
         env:
+          PACKET_EXEC_TOKEN: ${{ needs.packet-vars.outputs.PACKET_EXEC_TOKEN }}
+          PACKET_EXEC_PROJECT_ID: ${{ needs.packet-vars.outputs.PACKET_EXEC_PROJECT_ID }}
+          PACKET_SSH_KEY_CONTENT: ${{ needs.packet-vars.outputs.PACKET_SSH_KEY_CONTENT }}
+          PKT_SECRET_PHRASE: ${{ needs.packaging-vars.outputs.ASSETS_PASSWORD }}
+          SLACK_WEBHOOK: ${{ needs.slack-vars.outputs.SLACK_WEBHOOK }}
           VAGRANT_HOST_BOXES: ${{matrix.host_os}}
           VAGRANT_GUEST_BOXES: ${{matrix.guest_os}}
           VAGRANT_SPEC_PROVIDERS: ${{matrix.providers}}
           VAGRANT_DOCKER_IMAGES: ${{matrix.docker_images}}
-          VAGRANT_CI_LOADER_BUCKET: ${{ secrets.VAGRANT_CI_LOADER_BUCKET }}
-          HASHIBOT_USERNAME: ${{ secrets.HASHIBOT_USERNAME }}
-          HASHIBOT_TOKEN: ${{ secrets.HASHIBOT_TOKEN }}
       - name: Pull log from guest
         if: always()
         run: ./.ci/spec/pull-log.sh
         env:
+          PACKET_EXEC_TOKEN: ${{ needs.packet-vars.outputs.PACKET_EXEC_TOKEN }}
+          PACKET_EXEC_PROJECT_ID: ${{ needs.packet-vars.outputs.PACKET_EXEC_PROJECT_ID }}
+          PACKET_SSH_KEY_CONTENT: ${{ needs.packet-vars.outputs.PACKET_SSH_KEY_CONTENT }}
+          PKT_SECRET_PHRASE: ${{ needs.packaging-vars.outputs.ASSETS_PASSWORD }}
+          SLACK_WEBHOOK: ${{ needs.slack-vars.outputs.SLACK_WEBHOOK }}
           VAGRANT_HOST_BOXES: ${{matrix.host_os}}
           VAGRANT_GUEST_BOXES: ${{matrix.guest_os}}
           VAGRANT_SPEC_PROVIDERS: ${{matrix.providers}}
           VAGRANT_DOCKER_IMAGES: ${{matrix.docker_images}}
-          VAGRANT_CI_LOADER_BUCKET: ${{ secrets.VAGRANT_CI_LOADER_BUCKET }}
-          HASHIBOT_USERNAME: ${{ secrets.HASHIBOT_USERNAME }}
-          HASHIBOT_TOKEN: ${{ secrets.HASHIBOT_TOKEN }}
       - name: Upload log
         if: always()
         uses: actions/upload-artifact@v3
         with:
           name: vagrant-spec-${{matrix.providers}}.log
           path: ${{ github.workspace }}/vagrant-spec.log
-
   notify-on-success:
     if: github.repository == 'hashicorp/vagrant-acceptance' && success()
     runs-on: self-hosted
@@ -95,6 +118,8 @@ jobs:
     steps:
       - name: Notify on Success
         run: ./.ci/spec/notify-success.sh
+    env:
+      SLACK_WEBHOOK: ${{ needs.slack-vars.outputs.SLACK_WEBHOOK }}
 
   cleanup:
     if: github.repository == 'hashicorp/vagrant-acceptance'
@@ -104,6 +129,11 @@ jobs:
     steps:
       - name: Clean Packet
         run: ./.ci/spec/clean-packet.sh
+        env:
+          PACKET_EXEC_TOKEN: ${{ needs.packet-vars.outputs.PACKET_EXEC_TOKEN }}
+          PACKET_EXEC_PROJECT_ID: ${{ needs.packet-vars.outputs.PACKET_EXEC_PROJECT_ID }}
+          PACKET_SSH_KEY_CONTENT: ${{ needs.packet-vars.outputs.PACKET_SSH_KEY_CONTENT }}
+          PKT_SECRET_PHRASE: ${{ needs.packaging-vars.outputs.ASSETS_PASSWORD }}
+          SLACK_WEBHOOK: ${{ needs.slack-vars.outputs.SLACK_WEBHOOK }}
       - name: Clean Workspace
         run: rm -rf ${{ github.workspace }}
-
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 3f1bcbde3..07579046a 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -27,7 +27,7 @@ on:
 
 jobs:
   unit-tests-ruby:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     continue-on-error: true
     strategy:
       matrix:
@@ -35,10 +35,11 @@ jobs:
     name: Vagrant unit tests on Ruby ${{ matrix.ruby }}
     steps:
       - name: Code Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{matrix.ruby}}
+          bundler-cache: true
       - name: Run Tests
-        run: .ci/test.sh
+        run: bundle exec rake test:unit