workaround for curl empty response

Author: rahendatri

vagrant/scripts/configure_rancher_server.sh

@@ -44,20 +44,41 @@ done
 docker run --rm --net=host $curlimage -s 'https://127.0.0.1/v3/users?action=changepassword' -H 'content-type: application/json' -H "Authorization: Bearer $LOGINTOKEN" --data-binary '{"currentPassword":"admin","newPassword":"'$admin_password'"}' --insecure
 
 # Create API key
-APIRESPONSE=$(docker run --rm --net=host $curlimage -s 'https://127.0.0.1/v3/token' -H 'content-type: application/json' -H "Authorization: Bearer $LOGINTOKEN" --data-binary '{"type":"token","description":"automation"}' --insecure)
+while true; do
+
+  APIRESPONSE=$(docker run --rm --net=host $curlimage -s 'https://127.0.0.1/v3/token' -H 'content-type: application/json' -H "Authorization: Bearer $LOGINTOKEN" --data-binary '{"type":"token","description":"automation"}' --insecure)
+  # Extract and store token
+  APITOKEN=`echo $APIRESPONSE | docker run --rm -i $jqimage -r .token`
+  
+  if [ "$APITOKEN" != "null" ]; then
+    break
+  else
+    sleep 5
+  fi
 
-# Extract and store token
-APITOKEN=`echo $APIRESPONSE | docker run --rm -i $jqimage -r .token`
+done
 
 # Configure server-url
 RANCHER_SERVER="https://${rancher_ip}"
 docker run --rm --net=host $curlimage -s 'https://127.0.0.1/v3/settings/server-url' -H 'content-type: application/json' -H "Authorization: Bearer $APITOKEN" -X PUT --data-binary '{"name":"server-url","value":"'$RANCHER_SERVER'"}' --insecure
 
 # Create cluster
-CLUSTERRESPONSE=$(docker run --rm --net=host $curlimage -s 'https://127.0.0.1/v3/cluster' -H 'content-type: application/json' -H "Authorization: Bearer $APITOKEN" --data-binary '{"dockerRootDir":"/var/lib/docker","enableNetworkPolicy":false,"type":"cluster","rancherKubernetesEngineConfig":{"kubernetesVersion":"'$k8s_version'","addonJobTimeout":30,"ignoreDockerVersion":true,"sshAgentAuth":false,"type":"rancherKubernetesEngineConfig","authentication":{"type":"authnConfig","strategy":"x509"},"network":{"options":{"flannelBackendType":"vxlan"},"plugin":"canal","canalNetworkProvider":{"iface":"eth1"}},"ingress":{"type":"ingressConfig","provider":"nginx"},"monitoring":{"type":"monitoringConfig","provider":"metrics-server"},"services":{"type":"rkeConfigServices","kubeApi":{"podSecurityPolicy":false,"type":"kubeAPIService"},"etcd":{"creation":"12h","extraArgs":{"heartbeat-interval":500,"election-timeout":5000},"retention":"72h","snapshot":false,"type":"etcdService","backupConfig":{"enabled":true,"intervalHours":12,"retention":6,"type":"backupConfig"}}}},"localClusterAuthEndpoint":{"enabled":true,"type":"localClusterAuthEndpoint"},"name":"quickstart"}' --insecure)
+while true; do
+  CLUSTERRESPONSE=$(docker run --rm --net=host $curlimage 'https://127.0.0.1/v3/cluster' -H 'content-type: application/json' -H "Authorization: Bearer $APITOKEN" --data-binary '{"dockerRootDir":"/var/lib/docker","enableNetworkPolicy":false,"type":"cluster","rancherKubernetesEngineConfig":{"kubernetesVersion":"'$k8s_version'","addonJobTimeout":30,"ignoreDockerVersion":true,"sshAgentAuth":false,"type":"rancherKubernetesEngineConfig","authentication":{"type":"authnConfig","strategy":"x509"},"network":{"options":{"flannelBackendType":"vxlan"},"plugin":"canal","canalNetworkProvider":{"iface":"eth1"}},"ingress":{"type":"ingressConfig","provider":"nginx"},"monitoring":{"type":"monitoringConfig","provider":"metrics-server"},"services":{"type":"rkeConfigServices","kubeApi":{"podSecurityPolicy":false,"type":"kubeAPIService"},"etcd":{"creation":"12h","extraArgs":{"heartbeat-interval":500,"election-timeout":5000},"retention":"72h","snapshot":false,"type":"etcdService","backupConfig":{"enabled":true,"intervalHours":12,"retention":6,"type":"backupConfig"}}}},"localClusterAuthEndpoint":{"enabled":true,"type":"localClusterAuthEndpoint"},"name":"quickstart"}' --insecure)
+
+  # Extract clusterid to use for generating the docker run command
+  CLUSTERID=$(echo $CLUSTERRESPONSE | docker run --rm -i $jqimage -r .id)
+
+  if [ "$CLUSTERID" != "null" ]; then
+    break
+  else
+    sleep 5
+  fi
+done
+
+
+
 
-# Extract clusterid to use for generating the docker run command
-CLUSTERID=`echo $CLUSTERRESPONSE | docker run --rm -i $jqimage -r .id`
 
 # Generate registrationtoken
 docker run --rm --net=host $curlimage -s 'https://127.0.0.1/v3/clusterregistrationtoken' -H 'content-type: application/json' -H "Authorization: Bearer $APITOKEN" --data-binary '{"type":"clusterRegistrationToken","clusterId":"'$CLUSTERID'"}' --insecure