Revize c988d1b0
Přidáno uživatelem Michal Kliment před více než 3 roky(ů)
| freenetis-dhcp-sync.sh | ||
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################################################################################
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# #
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# Author: Michal Kliment #
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# Description: This script generates config file of ISC DHCP server #
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# Description: This script generates config file of DHCP server #
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# from FreenetIS #
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# #
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# Version: 0.1.3 #
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| ... | ... | |
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# Variables
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CONFIG=/etc/freenetis/freenetis-dhcp.conf
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CUSTOM_DHCP_CONF=/etc/dhcp/dhcp.conf.custom
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FORCED=1
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# Vesion info? Only possible arg.
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| ... | ... | |
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exit 1
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fi
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# for old config backward compatibility
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if [[ -z "$SERVER" && "$FULL_PATH" == *"etc-dhcp-dhcpd"* ]];
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then
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SERVER="isc-dhcp"
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fi
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# DHCP server is old ISC DHCP
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if [[ "$SERVER" == "isc-dhcp" ]];
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then
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DHCP_CONF=${DHCP_CONF:="/etc/dhcp/dhcp.conf"}
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CUSTOM_DHCP_CONF=${CUSTOM_DHCP_CONF:="/etc/dhcp/dhcp.conf.custom"}
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FULL_PATH=$PATH_FN"/index.php/en/devices/export/"$DEVICE_ID"/debian-etc-dhcp-dhcpd/text"
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# DHCP server is newer ISC KEA
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elif [[ "$SERVER" == "isc-kea" ]];
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then
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DHCP_CONF=${DHCP_CONF:="/etc/kea/kea-dhcp4.conf"}
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# custom dhcp config is not possible for ISC KEA
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CUSTOM_DHCP_CONF=""
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FULL_PATH=$PATH_FN"/index.php/en/devices/export/"$DEVICE_ID"/debian-etc-kea-kea-dhcp4/text"
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# another DHCP servers are not implemented yet
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else
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echo "[ERROR] `date -R` Wrong configuration (SERVER not set properly)"
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exit 1
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fi
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# test downloaded config
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test_config ()
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{
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if [[ "$SERVER" == "isc-dhcp" ]];
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then
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dhcpd -4 -t -cf "$TMPFILE" &>/dev/null
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elif [[ "$SERVER" == "isc-kea" ]];
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then
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kea-dhcp4 -t "$TMPFILE" &>/dev/null
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fi
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}
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# restart DHCP server and test PID
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restart_dhcp ()
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{
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killall -w dhcpd 2>/dev/null
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dhcpd -4 -q -cf "$DHCP_CONF"
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if [[ "$SERVER" == "isc-dhcp" ]];
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then
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killall -w dhcpd 2>/dev/null
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dhcpd -4 -q -cf "$DHCP_CONF"
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pidof -q dhcpd
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pidof -q dhcpd
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elif [[ "$SERVER" == "isc-kea" ]];
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then
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if pidof -q kea-dhcp4;
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then
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killall -s SIGHUP kea-dhcp4 2>/dev/null
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else
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systemctl start isc-kea-dhcp4-server.service
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fi
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pidof -q kea-dhcp4
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fi
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}
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# endless loop
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| ... | ... | |
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fi
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# download
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TMPFILE=`mktemp`
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echo "[INFO] `date -R` Downloading ISC DHCP SERVER config from (${PATH_FN})"
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echo "[INFO] `date -R` Downloading DHCP SERVER config from (${PATH_FN})"
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status=`curl -s -o "$TMPFILE" -w "%{http_code}" "$DOWN_PATH"`
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| ... | ... | |
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echo "[INFO] `date -R` Downloaded (code: $status)"
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echo "[INFO] `date -R` Testing new config..."
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# new config is valid
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if dhcpd -4 -t -cf "$TMPFILE" &>/dev/null;
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if test_config;
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then
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echo "[INFO] `date -R` New config is valid"
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echo "[INFO] `date -R` Backuping old config to $DHCP_CONF.save"
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| ... | ... | |
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echo "[INFO] `date -R` Loading new config to $DHCP_CONF.save..."
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# copy config
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mv -f "$TMPFILE" "$DHCP_CONF"
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# make readable for all
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chmod +r "$DHCP_CONF"
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# restart DHCP server with new configuration
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echo "[INFO] `date -R` Restarting ISC DHCP server"
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echo "[INFO] `date -R` Restarting DHCP server"
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if ! restart_dhcp;
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then
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echo "[ERROR] `date -R` DHCP server is not running -> keeping old configuration"
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mv -f "$DHCP_CONF".save "$DHCP_CONF"
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# restart DHCP server with old configuration
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echo "[INFO] `date -R` Restarting ISC DHCP server"
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echo "[INFO] `date -R` Restarting DHCP server"
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if restart_dhcp;
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then
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echo "[INFO] `date -R` Restart completed"
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| freenetis-dhcp.conf | ||
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# Log file, change to /dev/null to disable logging
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LOG_FILE=/var/log/freenetis-dhcp.log
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# Filename with ISC DHCP server config
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DHCP_CONF="/etc/dhcp/dhcpd.conf"
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# DHCP server name (isc-dhcp or isc-kea)
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SERVER="isc-dhcp"
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# This file (if exists) is attached to generated DHCP conf file
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CUSTOM_DHCP_CONF="/etc/dhcp/dhcpd.conf.custom"
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# Filename with DHCP server config
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# default value for ISC DHCP
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# DHCP_CONF="/etc/dhcp/dhcpd.conf"
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# default value for ISC KEA
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# DHCP_CONF="/etc/kea/kea-dhcp4.conf"
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# Full path [DO NOT CHANGE THIS VARIABLE!!!]
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FULL_PATH=$PATH_FN"/index.php/en/devices/export/"$DEVICE_ID"/debian-etc-dhcp-dhcpd/text"
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# This file (if exists) is attached to generated DHCP conf file
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# only for ISC DHCP, default value
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# CUSTOM_DHCP_CONF="/etc/dhcp/dhcpd.conf.custom"
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| freenetis-dhcp.service | ||
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[Unit]
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Description=FreenetIS DHCP synchronization
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After=network.target
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Wants=isc-kea-dhcp4-server.service
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ConditionPathExists=/etc/freenetis/freenetis-dhcp.conf
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[Service]
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Také k dispozici: Unified diff
ISC KEA support (fixes #1159)