Remove old docker specs

1 files changed, 0 insertions, 37 deletions

diff --git a/docker/examples/docker-compose-cluster/scripts/lib/functions.sh b/docker/examples/docker-compose-cluster/scripts/lib/functions.sh
deleted file mode 100644
index 2ff16f659..000000000
--- a/docker/examples/docker-compose-cluster/scripts/lib/functions.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-# overwrite get_nodename to discover hostname from DNS
-get_nodename() {
-    local hostname=${HOSTNAME}
-
-    # get hostname from dns
-    if ( is_true ${USE_DNS} ); then
-        # wait for dns registration
-        sleep 1
-
-        nodename=$(discover_dns_hostname ${HOSTIP})
-
-        is_set ${nodename} \
-            && hostname=${nodename}
-    fi
-
-    echo $hostname
-    return 0
-}
-
-
-# discover hostname from dns with a reverse lookup
-discover_dns_hostname() {
-    local hostip=$1
-
-    # try to get the hostname from dns
-    local dnsname=$(drill -x ${hostip} \
-        | grep PTR \
-        | awk '{print $5}' \
-        | grep -E "^[a-zA-Z0-9]+([-._]?[a-zA-Z0-9]+)*.[a-zA-Z]+\.$" \
-        | cut -d '.' -f1 \
-        | tail -1)
-
-    is_set ${dnsname} \
-        && echo ${dnsname}
-
-    return 0
-}