Add post deploy check (#85)

* Add check_deployment script

Author: NexSabre

.github/workflows/ci.yml

@@ -60,7 +60,7 @@ jobs:
   push_to_registry:
     name: Push Docker image to HerokuApp (as production env)
     if: ${{ github.ref == 'refs/heads/main' }}
-    needs: [verify-django, verify-js, verify-python, release]
+    needs: [release]
     runs-on: ubuntu-latest
     environment:
       name: production
@@ -117,3 +117,35 @@ jobs:
         env:
           HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
         run: heroku container:release web -a packet-helper-pr
+  post_deploy_check_pr:
+    name: Check status of env (as development env)
+    if: ${{ github.ref != 'refs/heads/main' }}
+    needs: [ push_to_registry_pr ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Verify /api/info
+        run: |
+          pip install requests pydantic
+          export GIT_VERSION_TAG=`git describe --tags --abbrev=0`
+          export SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`
+          python check_deployment.py https://packet-helper-pr.herokuapp.com $GIT_VERSION_TAG $SHORT_SHA
+  post_deploy_check_prod:
+    name: Check status of env (as production env)
+    if: ${{ github.ref != 'refs/heads/main' }}
+    needs: [ push_to_registry ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Verify /api/info
+        run: |
+          pip install requests pydantic
+          export GIT_VERSION_TAG=`git describe --tags --abbrev=0`
+          export SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`
+          python check_deployment.py https://www.packethelper.com $GIT_VERSION_TAG $SHORT_SHA

check_deployment.py

@@ -0,0 +1,26 @@
+from collections import namedtuple
+from sys import argv
+
+from pydantic import BaseModel
+from requests import get
+
+
+class VersionResponse(BaseModel):
+    version: str = "v0.0.0"
+    revision: str = "0000000"
+
+
+def make_call(url: str, timeout: int = 9_000) -> VersionResponse:
+    return VersionResponse.parse_obj(get(f"{url}/api/info", timeout=timeout, verify=False).json())
+
+
+if __name__ == "__main__":
+    InputData = namedtuple("InputData", ["url", "version", "revision"])
+    input_data = InputData(url=argv[1], version=argv[2], revision=argv[3])
+
+    version_response = make_call(input_data.url)
+
+    assert input_data.version == version_response.version, \
+        f"Is {input_data.version} should be {version_response.version}"
+    assert input_data.revision == version_response.revision, \
+        f"Is {input_data.revision} should be {version_response.revision}"