Exercise session-handling created (#6)

* Exercise session-handling created
* verification script for session-handling tutorial

Author: dieti80

session-handling/.scripts/verify.sh

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+#!/bin/bash
+
+EXIT_CODE=0
+minikube_ip=$(minikube ip)
+if [ $? -ne 0 ]; then
+    kubernetes_ip="localhost"
+else
+    kubernetes_ip=${minikube_ip}
+fi
+
+.scripts/common_verifications.sh
+if [ "$?" -ne "0" ]; then
+    EXIT_CODE=1
+fi
+
+STATUSCODE=$(curl -k -s -o /dev/null -w "%{http_code}" https://${kubernetes_ip}/)
+if [ "${STATUSCODE}" = "200" ]
+then
+    echo "OK: Microgateway returned status code 200"
+else
+    echo "NOK: Microgateway did not return status code: ${STATUSCODE}"
+    EXIT_CODE=1
+fi
+
+REQUEST_COUNT=$(kubectl logs -l app=microgateway -c microgateway --tail=-1 | grep -c "WR-SG-SUMMARY")
+if [ "${REQUEST_COUNT}" -eq "1" ]
+then
+    echo "OK: Microgateway received 1 request: ${REQUEST_COUNT}"
+else
+    echo "NOK: Microgateway did not receive 1 request: ${REQUEST_COUNT}"
+    EXIT_CODE=1
+fi
+REQUESTS_WO_SESSION=$(kubectl logs -l app=microgateway -c microgateway --tail=-1 | grep  WR-SG-SUMMARY | grep -c '"sess_id":"<n/a>"')
+if [ "${REQUESTS_WO_SESSION}" -eq "0" ]
+then
+    echo "OK: Microgateway received no request w/o session: ${REQUESTS_WO_SESSION}"
+else
+    echo "NOK: Microgateway received requests w/o session: ${REQUESTS_WO_SESSION}"
+    EXIT_CODE=1
+fi
+
+exit $EXIT_CODE

session-handling/exercise/config/config.yaml

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+---
+apps:
+  - virtual_host:
+      name: echo
+      hostname: echo.virtinc.local
+    mappings:
+      - name: echoserver
+        operational_mode: integration
+        backend:
+          name: echoserver
+          hosts:
+            - protocol: http
+              name: echoserver
+              port: 8080

session-handling/exercise/kustomization.yaml

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+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+bases:
+  - ../solution
+
+configMapGenerator:
+  - name: microgateway-config
+    behavior: replace
+    files:
+      - config/config.yaml

session-handling/solution/config/config.yaml

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+---
+session:
+  redis_hosts: [redis-master]
+
+apps:
+  - virtual_host:
+      name: echo
+      hostname: echo.virtinc.local
+    mappings:
+      - name: echoserver
+        session_handling: enforce_session
+        operational_mode: integration
+        backend:
+          name: echoserver
+          hosts:
+            - protocol: http
+              name: echoserver
+              port: 8080

session-handling/solution/kustomization.yaml

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+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+bases:
+  - ../../.templates/ingress
+  - ../../.templates/microgateway
+  - ../../.templates/echoserver
+  - ../../.templates/redis
+
+configMapGenerator:
+  - name: microgateway-config
+    behavior: replace
+    files:
+      - config/config.yaml