Update GitHub Actions workflow for Ubuntu containers

Refactor workflow steps for clarity and consistency.

Author: gowridurgad

.github/workflows/testing1087.yml

@@ -5,63 +5,63 @@ on:
 
 jobs:
   ubuntu-20-first:
-    name: Step 1 - Ubuntu 20.04  container
+    name: Step 1 - Ubuntu 20.04 container
     runs-on: self-hosted
-
     container:
-      image: ubuntu:20.04 
-
+      image: ubuntu:20.04
     steps:
-      - uses: actions/checkout@v6
-      - name: Ensure Sudo is Installed
+      - name: Install OS prereqs
         run: |
-          if ! command -v sudo &> /dev/null; then
-            echo "sudo could not be found. Installing..."
-            apt-get update && apt-get install -y sudo
-          fi
+          apt-get update
+          apt-get install -y --no-install-recommends \
+            ca-certificates curl git sudo \
+            libssl-dev libffi-dev zlib1g
+
       - name: Fix pip cache permissions
-        run: sudo chown -R $(whoami) /github/home 
-      
+        run: sudo chown -R $(whoami) /github/home
+
+      - uses: actions/checkout@v6
 
       - name: Setup Python 3.11
         uses: gowridurgad/setup-python@testing-1087
-        # uses: actions/setup-python@v6      
         with:
           python-version: "3.11"
-      - name: Upgrade pip
-        run: |
-          python -m pip install --upgrade pip
 
-     
+      - name: Show cache layout after job 1
+        run: ls -la /__w/_tool/Python/
+
+      - name: Upgrade pip
+        run: python -m pip install --upgrade pip
 
   ubuntu-24-second:
     name: Step 2 - Ubuntu 24.04 container
-    runs-on: self-hosted
     needs: ubuntu-20-first
-
+    runs-on: self-hosted
     container:
       image: ubuntu:24.04
-
     steps:
-      - uses: actions/checkout@v6
-    
-
-      - name: Ensure Sudo is Installed
+      - name: Install OS prereqs
         run: |
-          if ! command -v sudo &> /dev/null; then
-            echo "sudo could not be found. Installing..."
-            apt-get update && apt-get install -y sudo
-          fi
+          apt-get update
+          apt-get install -y --no-install-recommends \
+            ca-certificates curl git sudo \
+            libssl-dev libffi-dev zlib1g
+
       - name: Fix pip cache permissions
-        run: sudo chown -R $(whoami) /github/home  
-     
+        run: sudo chown -R $(whoami) /github/home
+
+      - uses: actions/checkout@v6
+
+      - name: Show cache layout BEFORE job 2
+        run: ls -la /__w/_tool/Python/
 
       - name: Setup Python 3.11
         uses: gowridurgad/setup-python@testing-1087
-        # uses: actions/setup-python@v6
         with:
           python-version: "3.11"
 
+      - name: Show cache layout AFTER job 2
+        run: ls -la /__w/_tool/Python/
+
       - name: Upgrade pip
-        run: |
-          python -m pip install --upgrade pip
+        run: python -m pip install --upgrade pip