Copying ctaregsecret to the new namespace as secrets are only visible in

their namespace.
According to
https://kubernetes.io/docs/concepts/configuration/secret/#creating-a-secret-using-kubectl-create-secret:
```
Secret API objects reside in a namespace. They can only be referenced by
pods in that same namespace.
```

continuousintegration/orchestration/create_instance.sh

 #!/bin/bash
 
+# CTA registry secret name
+ctareg_secret='ctaregsecret'
+
 # defaults objectstore to file
 config_objectstore="./objectstore-file.yaml"
 # defaults DB to sqlite
@@ -142,6 +145,13 @@ echo -n "Creating ${instance} instance "
 
 kubectl create namespace ${instance} || die "FAILED"
 
+# The CTA registry secret must be copied in the instance namespace to be usable
+kubectl get secret ${ctareg_secret} &> /dev/null
+if [ $? -eq 0 ]; then
+  echo "Copying ${ctareg_secret} secret in ${instance} namespace"
+  kubectl get secret ctaregsecret -o yaml | grep -v '^ *namespace:' | kubectl --namespace ${instance} create -f -
+fi
+
 kubectl --namespace ${instance} create configmap init --from-literal=keepdatabase=${keepdatabase} --from-literal=keepobjectstore=${keepobjectstore}
 
 kubectl --namespace ${instance} create configmap buildtree --from-literal=base=${buildtree} --from-literal=subdir=${buildtreesubdir}