files/upgrade_sshkeysync

   1 #!/bin/sh
   2 #
   3 # upgrade_sshkeysync
   4
   5 CONFIGFILE="/etc/rbm/ssh-keysync-server.conf"
   6 CONFIG_OLD="${CONFIGFILE}.oldsave"
   7
   8 function upgrade_config() {
   9
  10         echo "=========="
  11         echo "Upgrading Configuration file ${CONFIGFILE}... "
  12
  13         if ! grep -q '\[general\]' "${CONFIGFILE}"; then
  14
  15                 echo -n " * Moving old file to ${CONFIG_OLD}... "
  16                 mv "${CONFIGFILE}" "${CONFIG_OLD}" && echo "done." || echo "Failed!"
  17
  18                 if [ -f ${CONFIGOLD} -a -r ${CONFIG_OLD} ]; then
  19                         if ! source "${CONFIG_OLD}" ; then
  20                                 echo "Failed to load config file \"${CONFIG_OLD}\", exiting." >&2
  21                                 exit 1
  22                         fi
  23                 else
  24                         echo "Unable to load config file \"${CONFIG_OLD}\". File does not exist or is not accessable, exiting." >&2
  25                         exit 1;
  26                 fi
  27
  28                 # Default values if not there
  29                 [ "${BASE_DIR}" ]   || BASE_DIR="/var/cache/ssh-keysync"
  30                 [ "${VALID_USER}" ] || VALID_USER="skeysync"
  31
  32                 # Check domain
  33                 if [ "${DOMAIN_LIST}" ]; then
  34                         export DOMAIN="`echo ${DOMAIN_LIST} | cut -d, -f1`"
  35                         ALT_DOMAINS="`echo ${DOMAIN_LIST} | cut -d, -f2-`"
  36                 else
  37                         echo "Warning: No domain specification found in the old configuration."
  38                         echo "You have to specify one manually to let ssh-keysync-merge work."
  39                 fi
  40
  41                 # Write new config
  42                 EXPR_USER="s|^user.*|user = ${VALID_USER}|"
  43                 EXPR_BASEDIR="s|^base_dir.*|base_dir = ${BASE_DIR}|"
  44
  45                 echo -n "Writing new config... "
  46                 cat << EOF | sed -e "${EXPR_USER}" -e "${EXPR_BASEDIR}" > "${CONFIGFILE}" && echo "done." || echo "Failed!"
  47 #
  48 # /etc/rbm/ssh-keysync-server.conf
  49 #
  50
  51 ##
  52 # General configuration options
  53 [general]
  54 base_dir="/var/cache/ssh-keysnc"
  55 user="skeysync"
  56
  57 ##
  58 # The domains managed by RBM::sshKeySync::Merge
  59 #
  60 # [dom.ain.name]
  61 # alt_domains = alt.rnateiv.dom.ain.name, another.dom.ain.name
  62 # separate_outfile = yes (default)
  63 # common_outfile = no (default)
  64 #
  65 # Example:
  66 #
  67 #  To merge all hostkeys in the domain 'sourceforge.net' into
  68 #  a separate known_host file for this domain and into a global
  69 #  known_host file and adding \$hostname.sf.net to each entry,
  70 #  you could specify the following:
  71 #
  72 #  [sourceforge.net]
  73 #  alt_domains = sf.net
  74 #  separate_outfile  =no
  75 #  common_outfile = yes
  76 #
  77 #
  78 EOF
  79
  80                 # Add domain stanza
  81                 if [ "${DOMAIN}" ]; then
  82                         echo "[$DOMAIN]" >> "${CONFIGFILE}"
  83                         [ "${ALT_DOMAINS}" ] && echo "alt_domains = ${ALT_DOMAINS}" >> "${CONFIGFILE}"
  84                         echo "separate_outfile = yes" >> "${CONFIGFILE}"
  85                         echo "common_outfile = yes"   >> "${CONFIGFILE}"
  86                 fi
  87
  88         else
  89                 echo " Configuration file ${CONFIGFILE} is up to date."
  90         fi
  91 }
  92
  93
  94 ##
  95 # Upgrade the filesystem structure
  96 function upgrade_dirs() {
  97         # Check for old style config
  98         if ! grep -q '\[general\]' "${CONFIGFILE}"; then
  99
 100                 if [ -f ${CONFIG_FILE} -a -r ${CONFIG_FILE} ]; then
 101                         if ! source "${CONFIGFILE}" ; then
 102                                 echo "Failed to load config file \"${CONFIGFILE}\", exiting." >&2
 103                                 exit 1
 104                         fi
 105                 else
 106                         echo "Unable to load config file \"${CONFIGFILE}\". File does not exist or is not accessable, exiting." >&2
 107                         exit 1;
 108                 fi
 109         else
 110                 DOMAIN=`echo $( grep '^\[' "${CONFIGFILE}" | grep -v 'general' ) | sed -e 's/\[\(.\+\)\].*/\1/'`
 111                 BASE_DIR=`grep '^base_dir' "${CONFIGFILE}" | sed -e 's|.*= *\(.*\)$|\1|'`
 112         fi
 113
 114         # Check values
 115         if [ -z "${BASE_DIR}" ]; then
 116                 export BASE_DIR="/var/cache/ssh-keync"
 117                 echo "Warning: BASE_DIR is undefined, defaulting to ${BASE_DIR}">&2
 118         fi
 119
 120         [ "${DOMAIN_LIST}" ] && DOMAIN=`echo ${DOMAIN_LIST} | cut -d, -f1`
 121         if [ -z "${DOMAIN}" ]; then
 122                 echo "Error: No domain specified in configuration, cannot continue automagic update." >&2
 123                 exit 1
 124         fi
 125
 126
 127         # Go for it
 128         echo "=========="
 129         echo "Upgrade file system structure:"
 130         if [ -d "${BASE_DIR}/keys" ]; then
 131                 echo -n " * Creating domain directory: ${BASE_DIR}/${DOMAIN} ... "
 132                 mkdir -p "${BASE_DIR}/${DOMAIN}" && echo "done." || echo "Failed!"
 133
 134                 echo -n " * Moving ${BASE_DIR}/keys to ${BASE_DIR}/${DOMAIN}/keys... "
 135                 mv "${BASE_DIR}/keys" "${BASE_DIR}/${DOMAIN}" && echo "done." || echo "Failed!"
 136         else
 137                 echo " No old style key dir found. Nothing to do for me."
 138                 exit 0
 139         fi
 140 }
 141
 142
 143
 144 #
 145 # Showtime
 146 #
 147 upgrade_config
 148 upgrade_dirs