fix redis startup (#137)

* fix redis startup

* fix indentation

Author: DaedalusG

base/sourcegraph/redis/redis-cache.Deployment.yaml

@@ -37,8 +37,22 @@ spec:
               name: redis
           readinessProbe:
             initialDelaySeconds: 5
-            tcpSocket:
-              port: redis
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - |
+                  #!/bin/bash
+                  if [ -f /etc/redis/redis.conf ]; then
+                    export REDISCLI_AUTH=$(grep -h "requirepass" /etc/redis/redis.conf | cut -d ' ' -f 2)
+                  fi
+                  response=$(
+                    redis-cli ping
+                  )
+                  if [ "$response" != "PONG" ]; then
+                    echo "$response"
+                    exit 1
+                  fi
           resources:
             limits:
               cpu: "1"

base/sourcegraph/redis/redis-store.Deployment.yaml

@@ -36,8 +36,22 @@ spec:
               name: redis
           readinessProbe:
             initialDelaySeconds: 5
-            tcpSocket:
-              port: redis
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - |
+                  #!/bin/bash
+                  if [ -f /etc/redis/redis.conf ]; then
+                    export REDISCLI_AUTH=$(grep -h "requirepass" /etc/redis/redis.conf | cut -d ' ' -f 2)
+                  fi
+                  response=$(
+                    redis-cli ping
+                  )
+                  if [ "$response" != "PONG" ]; then
+                    echo "$response"
+                    exit 1
+                  fi
           resources:
             limits:
               cpu: "1"