Added forwardable keytab generation in 'ubuntu_client' and 'xrd_testing' Dockerfile.

Dockerfile

@@ -48,11 +48,8 @@ RUN createrepo ${EOSREPODIR}; \
 
 # Generate a new forwardable keytab 'eos-test+' to replace the not-forwardable one (installed by the eos-testkeytab package).
 # This is useful to deploy EOS on Kubernetes clusters running on CERN's Cloud Infrastructure; you can remove these lines if you don't need one.
-RUN mkdir /root/.xrd; \
-    mv /etc/eos.keytab /root/.xrd/sss.keytab; \
-    xrdsssadmin -k eos-test del; \
-    xrdsssadmin -u daemon -g daemon -k eos-test+ -n 1234567890123456789 add; \
-    mv /root/.xrd/sss.keytab  /etc/eos.keytab; \
+RUN xrdsssadmin -k eos-test del /etc/eos.keytab; \
+    xrdsssadmin -u daemon -g daemon -k eos-test+ -n 1234567890123456789 add /etc/eos.keytab; \
     chown daemon:daemon /etc/eos.keytab
 
 ENTRYPOINT ["/bin/bash"]

Dockerfile_xrd_testing

@@ -47,4 +47,10 @@ RUN createrepo ${EOSREPODIR}; \
     eos-server eos-testkeytab eos-archive eos-client \
     eos-debuginfo eos-fuse eos-fusex eos-test
 
+# Generate a new forwardable keytab 'eos-test+' to replace the not-forwardable one (installed by the eos-testkeytab package).
+# This is useful to deploy EOS on Kubernetes clusters running on CERN's Cloud Infrastructure; you can remove these lines if you don't need one.
+RUN xrdsssadmin -k eos-test del /etc/eos.keytab; \
+    xrdsssadmin -u daemon -g daemon -k eos-test+ -n 1234567890123456789 add /etc/eos.keytab; \
+    chown daemon:daemon /etc/eos.keytab
+
 ENTRYPOINT ["/bin/bash"]

ubuntu_client/Dockerfile

@@ -49,4 +49,10 @@ RUN apt-get install -y eos-client eos-fusex xrootd-client-dbgsym xrootd-client-d
       xrootd-client xrootd-devel xrootd-libs-dbgsym xrootd-libs xrootd-private-devel \
       eos-test eos-testkeytab
 
+# Generate a new forwardable keytab 'eos-test+' to replace the not-forwardable one (installed by the eos-testkeytab package).
+# This is useful to deploy EOS on Kubernetes clusters running on CERN's Cloud Infrastructure; you can remove these lines if you don't need one.
+RUN xrdsssadmin -k eos-test del /etc/eos.keytab; \
+    xrdsssadmin -u daemon -g daemon -k eos-test+ -n 1234567890123456789 add /etc/eos.keytab; \
+    chown daemon:daemon /etc/eos.keytab
+
 ENTRYPOINT ["/bin/bash"]