improved wait condition (#946)

Author: adwk67

docs/modules/kafka/examples/getting_started/getting_started.sh

@@ -20,6 +20,9 @@ then
   exit 1
 fi
 
+echo "Waiting for node(s) to be ready..."
+kubectl wait node --all --for=condition=Ready --timeout=120s
+
 cd "$(dirname "$0")"
 
 case "$1" in
@@ -50,6 +53,9 @@ exit 1
 ;;
 esac
 
+# TODO: Remove once https://github.com/stackabletech/issues/issues/828 has been implemented (see that issue for details).
+until kubectl get crd kafkaclusters.kafka.stackable.tech >/dev/null 2>&1; do echo "Waiting for CRDs to be installed" && sleep 1; done
+
 echo "Installing ZooKeeper from zookeeper.yaml"
 # tag::install-zookeeper[]
 kubectl apply -f zookeeper.yaml

docs/modules/kafka/examples/getting_started/getting_started.sh.j2

@@ -20,6 +20,9 @@ then
   exit 1
 fi
 
+echo "Waiting for node(s) to be ready..."
+kubectl wait node --all --for=condition=Ready --timeout=120s
+
 cd "$(dirname "$0")"
 
 case "$1" in
@@ -50,6 +53,9 @@ exit 1
 ;;
 esac
 
+# TODO: Remove once https://github.com/stackabletech/issues/issues/828 has been implemented (see that issue for details).
+until kubectl get crd kafkaclusters.kafka.stackable.tech >/dev/null 2>&1; do echo "Waiting for CRDs to be installed" && sleep 1; done
+
 echo "Installing ZooKeeper from zookeeper.yaml"
 # tag::install-zookeeper[]
 kubectl apply -f zookeeper.yaml