From 2aff1560a39df62ae4f0abda84a8fff12c353caa Mon Sep 17 00:00:00 2001
From: =?utf8?q?Franti=C5=A1ek=20Dvo=C5=99=C3=A1k?= <valtri@civ.zcu.cz>
Date: Sat, 30 Jan 2016 13:39:55 +0100
Subject: [PATCH] Fetching machine ssh keys.

---
 docker.sh | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/docker.sh b/docker.sh
index b5df1eb..a325428 100755
--- a/docker.sh
+++ b/docker.sh
@@ -27,13 +27,16 @@
 #
 # docker network create -d overlay ics.muni.cz
 #
+# 5) access to kdccesnet.ics.muni.cz,
+#    or directory config/$HOSTNAME/ssh,
+#    or disable FETCH_SSH_KEYS
+#
 
 DOCKER_network='ics.muni.cz'
 #DOCKER_network='bridge'
-
+FETCH_SSH_KEYS=${FETCH_SSH_KEYS:-'1'}
 IMAGE='valtri/hadoop-debian7'
 
-
 # get the first free network device
 devname() {
   i=1
@@ -48,7 +51,7 @@ devname() {
 if [ -z "${1}" ]; then
     echo "Usage:"
     echo
-    echo "$0 cfg_hostname.sh [init] [<docker args>]"
+    echo "$0 cfg_hostname.sh [<docker args>]"
     exit 1
 fi
 . ./$1 || exit 1
@@ -65,12 +68,27 @@ if [ -n "${SIZE_MEM}" ]; then
 fi
 
 # ==== init  ====
+confid_dir="`dirname $0`/config"
+config_dir="`cd ${config_dir}; pwd`"
 if [ ! -f ~/.ssh/id_rsa_docker ]; then
   ssh-keygen -t rsa -N '' -f ~/.ssh/id_rsa_docker
   cp -p ~/.ssh/id_rsa_docker.pub ~/.ssh/authorized_keys_docker
-  if [ -f `dirname $0`/config/authorized_keys ]; then
-    cat `dirname $0`/config/authorized_keys >> ~/.ssh/authorized_keys_docker
+  if [ -f ${config_dir}/authorized_keys ]; then
+    cat ${config_dir}/config/authorized_keys >> ~/.ssh/authorized_keys_docker
+  fi
+fi
+if [ -n "${FETCH_SSH_KEYS}" ]; then
+  if [ ! -d ${config_dir}/${FACTER_hostname} ]; then
+    mkdir -p ${config_dir}/${FACTER_hostname}/ssh
+    cp -p /etc/ssh/ssh*_config ${config_dir}/${FACTER_hostname}/ssh/
+    for j in '' '.pub'; do
+      for i in rsa dsa ecdsa; do
+        (umask 0177; rsh -5 -f -u -x -p 5665 kdccesnet.ics.muni.cz /usr/local/bin/rsh.getsshhostkey ${FACTER_fqdn} ssh_host_${i}_key${j} > ${config_dir}/${FACTER_hostname}/ssh/ssh_host_${i}_key${j})
+      done
+    done
+    chmod 0644 ${config_dir}/${FACTER_hostname}/ssh/*.pub
   fi
+  ARGS="${ARGS} -v ${config_dir}/${FACTER_hostname}/ssh:/etc/ssh"
 fi
 for m in ${MOUNTS}; do
   loc_dir=`echo ${m} | cut -d: -f1`
-- 
1.8.2.3