From 4b5f2e23cad94517bc45447fe98556d186f95103 Mon Sep 17 00:00:00 2001
From: Chris Lovering <chris.lovering.95@gmail.com>
Date: Fri, 16 Aug 2024 17:59:01 +0100
Subject: [PATCH] Update CI to support mono repo

---
 .../{build.yaml => build-deploy.yaml}         | 23 ++++++------
 .github/workflows/lint.yaml                   |  4 +--
 .github/workflows/main.yaml                   | 36 ++++++++++++-------
 3 files changed, 37 insertions(+), 26 deletions(-)
 rename .github/workflows/{build.yaml => build-deploy.yaml} (58%)

diff --git a/.github/workflows/build.yaml b/.github/workflows/build-deploy.yaml
similarity index 58%
rename from .github/workflows/build.yaml
rename to .github/workflows/build-deploy.yaml
index 23db7e0..fc03821 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build-deploy.yaml
@@ -5,10 +5,10 @@ on:
         description: "A short-form SHA tag for the commit that triggered this flow"
         required: true
         type: string
-      lower-repo:
-        description: "The repository name in lowercase"
-        required: true
-        type: string
+      project:
+          description: "The project to build and push"
+          required: true
+          type: string
 
 jobs:
   build:
@@ -16,7 +16,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -31,12 +30,14 @@ jobs:
       # Repository. The container will be tagged as "latest"
       # and with the short SHA of the commit.
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
-          push: ${{ github.ref == github.event.repository.default_branch }}
-          cache-from: type=registry,ref=ghcr.io/${{ inputs.lower-repo }}:latest
+          context: thallium-${{ inputs.project }}
+          push: ${{ github.ref == 'refs/heads/main' }}
+          cache-from: type=registry,ref=ghcr.io/owl-corp/thallium-${{ inputs.project }}:latest
           cache-to: type=inline
           tags: |
-            ghcr.io/${{ inputs.lower-repo }}:latest
-            ghcr.io/${{ inputs.lower-repo }}:${{ inputs.sha-tag }}
-          build-args: git_sha=${{ github.sha }}
+            ghcr.io/owl-corp/thallium-${{ inputs.project }}:latest
+            ghcr.io/owl-corp/thallium-${{ inputs.project }}:${{ inputs.sha-tag }}
+          build-args: |
+            git_sha=${{ github.sha }}
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 2a4ea23..c6a2ff5 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -19,8 +19,8 @@ jobs:
         run: |
           poetry export --output temp-requirements.txt -vvv
 
-          if ! cmp -s "requirements.txt" "temp-requirements.txt"; then
-            echo "::error file=requirements.txt,title=Requirements out of date!::Run 'poetry export --output requirements.txt'"
+          if ! cmp -s "thallium-backend/requirements.txt" "temp-requirements.txt"; then
+            echo "::error file=requirements.txt,title=Requirements out of date!::Run 'make lock'"
             exit 1
           fi
 
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index c109acd..6360033 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -11,36 +11,46 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      backend: ${{ steps.changes.outputs.backend }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dorny/paths-filter@v3
+      id: changes
+      with:
+        filters: |
+          automation: &automation
+            - '.github/workflows/**'
+            - 'deployments/**'
+          backend:
+            - *automation
+            - 'thallium-backend/**'
+
   generate-inputs:
     runs-on: ubuntu-latest
     defaults:
       run:
         shell: bash
-
     outputs:
       sha-tag: ${{ steps.sha-tag.outputs.sha-tag }}
       lower-repo: ${{ steps.lower-repo.outputs.lower-repo }}
-
     steps:
       - name: Create SHA Container Tag
         id: sha-tag
         run: |
           tag=$(cut -c 1-7 <<< $GITHUB_SHA)
           echo "sha-tag=$tag" >> $GITHUB_OUTPUT
-      # docker/build-push-action doesn't allow capital letters in the URL
-      - name: Get repo in lowercase
-        id: lower-repo
-        run: |
-          echo "lower-repo=${GITHUB_REPOSITORY,,}" >> $GITHUB_OUTPUT
 
   lint:
     uses: ./.github/workflows/lint.yaml
 
-  build:
-    uses: ./.github/workflows/build.yaml
-    needs:
-      - lint
-      - generate-inputs
+  build-backend:
+    if: ${{ needs.changes.outputs.backend == 'true' }}
+    needs: [changes, generate-inputs, lint]
+    uses: ./.github/workflows/build-deploy.yaml
     with:
       sha-tag: ${{ needs.generate-inputs.outputs.sha-tag }}
-      lower-repo: ${{ needs.generate-inputs.outputs.lower-repo }}
+      project: backend
+    secrets: inherit