diff --git a/.github/workflows/core_contrib_test_0.yml b/.github/workflows/core_contrib_test_0.yml
index 2c91497268..6c3a6a3461 100644
--- a/.github/workflows/core_contrib_test_0.yml
+++ b/.github/workflows/core_contrib_test_0.yml
@@ -16,6 +16,7 @@ env:
   CORE_REPO_SHA: ${{ inputs.CORE_REPO_SHA }}
   CONTRIB_REPO_SHA: ${{ inputs.CONTRIB_REPO_SHA }}
   PIP_EXISTS_ACTION: w
+  CORE_REPO: "git+file://${{ github.workspace }}/opentelemetry-python"
 
 jobs:
 
@@ -29,6 +30,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -51,6 +59,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -73,6 +88,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -95,6 +117,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -117,6 +146,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -139,6 +175,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -161,6 +204,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -183,6 +233,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -205,6 +262,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -227,6 +291,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -249,6 +320,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -271,6 +349,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -293,6 +378,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -315,6 +407,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -337,6 +436,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -359,6 +465,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -381,6 +494,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -403,6 +523,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -425,6 +552,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -447,6 +581,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -469,6 +610,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -491,6 +639,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -513,6 +668,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -535,6 +697,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -557,6 +726,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -579,6 +755,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -601,6 +784,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -623,6 +813,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -645,6 +842,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -667,6 +871,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -689,6 +900,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -711,6 +929,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -733,6 +958,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -755,6 +987,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -777,6 +1016,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -799,6 +1045,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -821,6 +1074,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -843,6 +1103,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -865,6 +1132,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -887,6 +1161,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -909,6 +1190,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -931,6 +1219,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -953,6 +1248,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -975,6 +1277,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -997,6 +1306,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1019,6 +1335,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1041,6 +1364,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1063,6 +1393,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1085,6 +1422,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1107,6 +1451,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1129,6 +1480,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1151,6 +1509,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1173,6 +1538,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1195,6 +1567,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1217,6 +1596,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1239,6 +1625,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1261,6 +1654,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1283,6 +1683,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1305,6 +1712,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1327,6 +1741,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1349,6 +1770,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1371,6 +1799,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1393,6 +1828,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1415,6 +1857,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1437,6 +1886,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1459,6 +1915,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1481,6 +1944,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1503,6 +1973,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1525,6 +2002,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1547,6 +2031,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1569,6 +2060,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1591,6 +2089,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1613,6 +2118,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1635,6 +2147,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1657,6 +2176,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1679,6 +2205,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1701,6 +2234,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1723,6 +2263,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1745,6 +2292,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1767,6 +2321,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1789,6 +2350,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1811,6 +2379,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1833,6 +2408,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1855,6 +2437,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1877,6 +2466,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1899,6 +2495,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1921,6 +2524,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1943,6 +2553,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1965,6 +2582,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -1987,6 +2611,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -2009,6 +2640,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -2031,6 +2669,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -2053,6 +2698,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -2075,6 +2727,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
@@ -2097,6 +2756,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
 
+      - name: Checkout core repo @ SHA - ${{ env.CORE_REPO_SHA }}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${{ env.CORE_REPO_SHA }}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/generate_workflows_lib/src/generate_workflows_lib/core_contrib_test.yml.j2 b/.github/workflows/generate_workflows_lib/src/generate_workflows_lib/core_contrib_test.yml.j2
index f34b8e7941..dd9d94f25d 100644
--- a/.github/workflows/generate_workflows_lib/src/generate_workflows_lib/core_contrib_test.yml.j2
+++ b/.github/workflows/generate_workflows_lib/src/generate_workflows_lib/core_contrib_test.yml.j2
@@ -16,6 +16,7 @@ env:
   CORE_REPO_SHA: ${% raw %}{{ inputs.CORE_REPO_SHA }}{% endraw %}
   CONTRIB_REPO_SHA: ${% raw %}{{ inputs.CONTRIB_REPO_SHA }}{% endraw %}
   PIP_EXISTS_ACTION: w
+  CORE_REPO: "git+file://{% raw %}${{ github.workspace }}{% endraw %}/opentelemetry-python"
 
 jobs:
   {%- for job_data in job_datas %}
@@ -30,6 +31,13 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${% raw %}{{ env.CONTRIB_REPO_SHA }}{% endraw %}
 
+      - name: Checkout core repo @ SHA - ${% raw %}{{ env.CORE_REPO_SHA }}{% endraw %}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          ref: ${% raw %}{{ env.CORE_REPO_SHA }}{% endraw %}
+          path: opentelemetry-python
+
       - name: Set up Python 3.8
         uses: actions/setup-python@v5
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 390cdcd897..55ea828950 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,6 +70,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#3322](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3322))
 - `opentelemetry-instrumentation-requests` always record span status code in duration metric
   ([#3323](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3323))
+- `opentelemetry-python-contrib` Fix git pull failures in core contrib test
+  ([#3357](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3357))
 
 ## Version 1.30.0/0.51b0 (2025-02-03)
 
diff --git a/tox.ini b/tox.ini
index 68c59b4b12..c5a940b32e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -722,7 +722,9 @@ setenv =
   ; override CORE_REPO_SHA via env variable when testing other branches/commits than main
   ; i.e: CORE_REPO_SHA=dde62cebffe519c35875af6d06fae053b3be65ec tox -e <env to test>
   CORE_REPO_SHA={env:CORE_REPO_SHA:main}
-  CORE_REPO=git+https://github.com/open-telemetry/opentelemetry-python.git@{env:CORE_REPO_SHA}
+  ; override CORE_REPO via env variable when testing from a fork or local repository
+  ; i.e: CORE_REPO=git+file://open-telemetry/opentelemetry-python tox -e <env to test>
+  CORE_REPO={env:CORE_REPO:git+https://github.com/open-telemetry/opentelemetry-python.git}@{env:CORE_REPO_SHA}
   UV_CONFIG_FILE={toxinidir}/tox-uv.toml
 
 commands_pre =