added tests

Signed-off-by: wasim-nihal <sswasim64@gmail.com>

.github/workflows/build_and_test.yaml

@@ -74,6 +74,16 @@ jobs:
         with:
           name: images
           path: /tmp
+      - name: Install Helm
+        run: |
+          wget https://get.helm.sh/helm-v3.16.1-linux-amd64.tar.gz
+          tar -zxf helm-v3.16.1-linux-amd64.tar.gz
+          mv linux-amd64/helm /usr/local/bin/helm
+      - name: Install cert-manager
+        run: |
+          helm repo add jetstack https://charts.jetstack.io
+          helm repo update
+          helm install cert-manager jetstack/cert-manager --version v1.11.0 --set installCRDs=true
       - name: Load images into kind cluster
         run: |
           kind load image-archive /tmp/k8s-sidecar.tar --name sidecar-testing
@@ -94,6 +104,7 @@ jobs:
           wait_for_pod_ready "sidecar"
           wait_for_pod_ready "sidecar-basicauth-args"
           wait_for_pod_ready "sidecar-5xx"
+          wait_for_pod_ready "sidecar-tls"
           wait_for_pod_ready "sidecar-pythonscript"
           wait_for_pod_ready "sidecar-pythonscript-logfile"
           wait_for_pod_ready "sidecar-logtofile-pythonscript"
@@ -116,6 +127,7 @@ jobs:
               wait_for_pod_log $p $r
             done
           done
+          wait_for_pod_log "sidecar-tls" "tls-url-configmap-200"
           # 10 more seconds after the last thing appeared in the logs.
           sleep 10
       - name: Retrieve pod logs
@@ -127,6 +139,7 @@ jobs:
           kubectl logs sidecar-pythonscript > /tmp/logs/sidecar-pythonscript.log
           kubectl logs sidecar-pythonscript-logfile > /tmp/logs/sidecar-pythonscript-logfile.log
           kubectl logs dummy-server-pod > /tmp/logs/dummy-server.log
+          kubectl logs sidecar-tls > /tmp/logs/sidecar-tls.log
       - name: Upload artifacts (pod logs)
         uses: actions/upload-artifact@v3
         with:
@@ -135,6 +148,7 @@ jobs:
       - name: Download expected files from cluster
         run: |
           mkdir /tmp/sidecar
+          mkdir /tmp/sidecar-tls
           mkdir /tmp/sidecar-5xx
           echo "Downloading resource files from sidecar..."
           kubectl cp sidecar:/tmp/hello.world /tmp/sidecar/hello.world
@@ -170,12 +184,16 @@ jobs:
           kubectl cp sidecar-5xx:/tmp-5xx/secured.txt /tmp/sidecar-5xx/secured.txt
           kubectl cp sidecar-5xx:/tmp-5xx/similar-configmap.txt /tmp/sidecar-5xx/similar-configmap.txt
           kubectl cp sidecar-5xx:/tmp-5xx/similar-secret.txt /tmp/sidecar-5xx/similar-secret.txt
+
+          echo "Downloading resource files from sidecar-tls pod"
+          kubectl cp sidecar-tls:/tmp/200-tls.txt /tmp/sidecar-tls/200-tls.txt
       - name: Upload artifacts (expected files from cluster)
         uses: actions/upload-artifact@v3
         with:
           name: expected-files_${{ matrix.k8s.maj_min }}
           path: |
             /tmp/sidecar/**
+            /tmp/sidecar-tls/**
             /tmp/sidecar-5xx/**
       - name: Update Configmaps and Secrets
         run: |
@@ -208,6 +226,8 @@ jobs:
           echo -n "I'm very similar" | diff - /tmp/sidecar/similar-configmap.txt &&
           echo -n "I'm very similar" | diff - /tmp/sidecar/similar-secret.txt &&
           echo -n "allowed" | diff - /tmp/sidecar/secured.txt &&
+          [ ! -f /tmp/sidecar-tls/200-tls.txt ] && echo "No 200-tls.txt file created" &&
+          echo -n "200" | diff - /tmp/sidecar-tls/200-tls.txt &&
           [ ! -f /tmp/sidecar/500.txt ] && echo "No 5xx file created" &&
           ls /tmp/sidecar/script_result
       - name: Verify sidecar-basicauth-args pod file after initial sync

src/helpers.py

@@ -167,8 +167,10 @@ def request(url, method, enable_5xx=False, payload=None):
         return
     client_cert, client_key = get_client_cert_and_key_paths()
     if client_cert and client_key:
+        logger.debug("Client certificates are configured: Client cert path: %s, Client key path: %s", client_cert, client_key)
         cert = (client_cert, client_key)
     else:
+        logger.debug("Client certificates are not configured. Skipping client certificate authentication.")
         cert = None
     # If method is not provided use GET as default
     if method == "GET" or not method:

test/resources/resources.yaml

@@ -101,3 +101,13 @@ metadata:
 binaryData:
   # Base64 encoded url is 'http://dummy-server/static/kubelogo.png'
   url-downloaded-kubelogo.png.url: "aHR0cDovL2R1bW15LXNlcnZlci9zdGF0aWMva3ViZWxvZ28ucG5n"
+---
+# For client-certificate-auth
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: tls-url-configmap-200
+  labels:
+    findme-with-tls: "yup"
+data:
+  200-tls.txt.url: "https://dummy-server-tls/200"

test/resources/sidecar.yaml

@@ -388,4 +388,155 @@ metadata:
 type: Opaque
 stringData:
   username: "user1"
-  password: "abcdefghijklmnopqrstuvwxyz"
+  password: "abcdefghijklmnopqrstuvwxyz"
+---
+# For client-certificate-auth
+apiVersion: cert-manager.io/v1
+kind: Issuer
+metadata:
+  name: selfsigned-issuer
+  namespace: default
+spec:
+  selfSigned: {}
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: root-ca
+  namespace: default
+spec:
+  isCA: true
+  commonName: root-ca
+  subject:
+    organizations:
+      - Kiwigrid
+    organizationalUnits:
+      - k8s-sidecar
+  secretName: ca-secret
+  privateKey:
+    algorithm: ECDSA
+    size: 256
+  issuerRef:
+    name: selfsigned-issuer
+    kind: Issuer
+    group: cert-manager.io
+---
+apiVersion: cert-manager.io/v1
+kind: Issuer
+metadata:
+  name: root-ca-issuer
+  namespace: default
+spec:
+  ca:
+    secretName: ca-secret
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: dummy-server
+  namespace: default
+spec:
+  secretName: server-tls
+  isCA: false
+  usages:
+    - server auth
+    - client auth
+  dnsNames:
+  - "dummy-server-tls.default.svc.cluster.local"
+  - "dummy-server-tls"
+  issuerRef:
+    name: root-ca-issuer
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: sidecar-client
+  namespace: default
+spec:
+  secretName: client-tls
+  isCA: false
+  usages:
+    - server auth
+    - client auth
+  dnsNames:
+  - "dummy-server-tls.default.svc.cluster.local"
+  - "dummy-server-tls"
+  issuerRef:
+    name: root-ca-issuer
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: dummy-server-tls-pod
+  namespace: default
+  labels:
+    app: dummyserver-tls
+spec:
+  serviceAccountName: sample-acc
+  containers:
+  - name: dummy-server-tls
+    command: ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "443", "--ssl-keyfile", "/opt/server-creds/tls.key", "--ssl-certfile", "/opt/server-creds/tls.crt", "--ssl-cert-reqs", "2", "--ssl-ca-certs","/opt/root-creds/ca.crt"]
+    image: dummy-server:1.0.0
+    ports:
+      - containerPort: 443
+    volumeMounts:
+    - name: server-creds
+      mountPath: /opt/server-creds/
+    - name: root-creds
+      mountPath: /opt/root-creds/
+  volumes:
+  - name: server-creds
+    secret:
+      secretName: server-tls
+  - name: root-creds
+    secret:
+      secretName: ca-secret
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: dummy-server-tls
+spec:
+  selector:
+    app: dummyserver-tls
+  ports:
+    - port: 443
+      targetPort: 443
+      name: https
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: sidecar-tls
+  namespace: default
+spec:
+  serviceAccountName: sample-acc
+  containers:
+    - name: sidecar-tls
+      image: kiwigrid/k8s-sidecar:testing
+      volumeMounts:
+        - name: shared-volume
+          mountPath: /tmp/
+        - name: client-tls-creds
+          mountPath: /opt/client-tls-creds/
+      env:
+        - name: LABEL
+          value: "findme-with-tls"
+        - name: FOLDER
+          value: /tmp/
+        - name: RESOURCE
+          value: both
+        - name: LOG_LEVEL
+          value: "DEBUG"
+        - name: REQ_CLIENT_CERT
+          value: "/opt/client-tls-creds/tls.crt"
+        - name: REQ_CLIENT_KEY
+          value: "/opt/client-tls-creds/tls.key"
+        - name: REQ_SKIP_TLS_VERIFY
+          value: "true"
+  volumes:
+    - name: shared-volume
+      emptyDir: {}
+    - name: client-tls-creds
+      secret:
+        secretName: client-tls