author | Tero Marttila <terom@paivola.fi> |
Thu, 19 Dec 2013 18:55:53 +0200 | |
branch | dns-new |
changeset 91 | acb2fb235eb2 |
parent 90 | 5b33ccac38ad |
child 92 | 639a5093039b |
permissions | -rw-r--r-- |
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#!/bin/bash |
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## vim: set ft=sh : |
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# |
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# Operations on zonefiles/hosts/whatever |
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function link { |
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local out="$1" |
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local tgt="$2" |
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if check_link "$out" "$tgt"; then |
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log_update "Linking $out -> $tgt..." |
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do_link "$out" "$tgt" |
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else |
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log_skip "Linking $out -> $tgt: not changed" |
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fi |
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} |
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function copy { |
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local out="$1" |
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local src="$2" |
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if check_update "$out" "$src"; then |
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log_update "Copying $out <- $src..." |
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do_update "$out" \ |
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cat "$src" |
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else |
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log_skip "Copying $out <- $src: not changed" |
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fi |
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} |
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## Run check-command on given file, outputting results: |
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# |
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# check $src $cmd $args... |
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# |
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function check { |
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local src="$1"; shift |
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local cmd="$1"; shift |
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if cmd_test "$cmd" -q "$@"; then |
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log_skip "Check $src: OK" |
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else |
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log_error " Check $src: Failed" |
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indent " " "$cmd" "$@" |
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exit 1 |
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fi |
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} |
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## Generate forward zone from hosts hosts using pvl.hosts-dns: |
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# |
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# update_hosts_forward out/hosts/$hosts $hosts in/hosts/$hosts |
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function update_hosts_forward { |
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local out="$1"; shift |
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local domain="$1"; shift |
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local src="$1"; shift |
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if check_update "$out" "$src" "$@"; then |
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log_update "Generating forward hosts zone $out <- $src..." |
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do_update "$out" $OPT/bin/pvl.hosts-dns \ |
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--hosts-charset=$CHARSET \ |
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--forward-zone="$domain" \ |
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"$src" "$@" |
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else |
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log_skip "Generating forward hosts $out <- $src: not changed" |
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fi |
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} |
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function update_hosts_dhcp { |
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local out=$1; shift |
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local src=$1; shift |
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if check_update $out $src "$@"; then |
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log_update "Generating DHCP hosts $out <- $src..." |
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do_update $out $OPT/bin/pvl.hosts-dhcp \ |
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--hosts-charset=$CHARSET \ |
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$src "$@" |
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else |
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log_skip "Generating DHCP hosts $out <- $src: not changed" |
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fi |
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} |
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## Generate reverse zone from hosts hosts using pvl.hosts-dns: |
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# |
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# update_hosts_reverse out/hosts/$reverse $reverse in/hosts/$hosts |
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function update_hosts_reverse { |
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local out="$1"; shift |
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local reverse="$1"; shift |
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local src="$1"; shift |
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if check_update "$out" "$src" "$@"; then |
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log_update "Generating reverse hosts zone $out <- $src..." |
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do_update "$out" $OPT/bin/pvl.hosts-dns \ |
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--hosts-charset=$CHARSET \ |
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--reverse-zone="$reverse" \ |
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"$src" "$@" |
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else |
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log_skip "Generating reverse hosts $out <- $src: not changed" |
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fi |
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} |
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## Update .serial number: |
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# |
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# do_update_serial $serial |
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# |
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# Shows old/new serial on debug. |
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function do_update_serial { |
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local serial="$1" |
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# read |
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local old=$(test -e "$serial" && cat "$serial" || echo '') |
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cmd $OPT/bin/pvl.dns-serial "$serial" |
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# read |
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local new=$(cat "$serial") |
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debug " $old -> $new" |
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} |
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## Generate new serial for zone using pvl.dns-serial, if the zone data has changed: |
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# |
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# update_serial $zone $deps... |
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# |
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# Supports SERIAL_FORCE/NOOP. |
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# Updates $SERIALS/$zone.serial. |
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function update_serial { |
85 | 138 |
local serial="$1"; shift |
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# test |
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if [ $SERIAL_FORCE ]; then |
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log_force "Updating $serial: forced" |
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do_update_serial "$serial" |
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elif ! check_update "$serial" "$@"; then |
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log_skip "Updating $serial: not changed" |
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148 |
|
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149 |
elif [ $SERIAL_NOOP ]; then |
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log_noop "Updating $serial: skipped" |
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151 |
|
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152 |
else |
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153 |
log_update "Updating $serial..." |
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|
85 | 155 |
do_update_serial "$serial" |
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156 |
fi |
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157 |
} |
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158 |
|
85 | 159 |
## Generate zone file from source using pvl.dns-zone: |
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# |
85 | 161 |
# update_zone out/zones/$zone in/zones/$zone var/serials/$zone |
162 |
function update_zone { |
|
163 |
local out="$1" |
|
164 |
local src="$2" |
|
165 |
local serial="$3" |
|
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166 |
local serial_opt= |
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167 |
|
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168 |
if [ -n "$serial" -a -f "$serial" ]; then |
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serial_opt="--serial=$(cat "$serial")" |
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170 |
|
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171 |
elif [ $SERIAL_NOOP ]; then |
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172 |
warn "$out: noop'd serial, omitting" |
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173 |
else |
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174 |
fail "$out: missing serial: $serial" |
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175 |
fi |
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176 |
|
85 | 177 |
if check_update "$out" "$src" "$serial"; then |
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178 |
log_update "Generating $out <- $src..." |
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179 |
|
85 | 180 |
do_update "$out" $OPT/bin/pvl.dns-zone "$src" \ |
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181 |
--include-path=$SRV/var/zones \ |
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182 |
$serial_opt |
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183 |
else |
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184 |
log_skip "Generating $out <- $src: not changed" |
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185 |
fi |
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186 |
} |
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187 |
|
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188 |
## Generate dhcp confs from source using pvl.dhcp-conf: |
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189 |
function update_dhcp_conf { |
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190 |
local out="$1" |
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191 |
local src="$2" |
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192 |
|
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193 |
if check_update "$out" "$src"; then |
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194 |
log_update "Generating $out <- $src..." |
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195 |
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196 |
do_update "$out" $OPT/bin/pvl.dhcp-conf "$src" \ |
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197 |
--include-path=$SRV/var/dhcp |
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198 |
else |
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199 |
log_skip "Generating $out <- $src: not changed" |
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200 |
fi |
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201 |
} |
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202 |
|
82 | 203 |
## Test hosts zone for validity using pvl.hosts-check: |
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204 |
# |
82 | 205 |
# check_hosts .../hosts |
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206 |
function check_hosts { |
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207 |
local hosts=$1; shift 1 |
82 | 208 |
|
209 |
# TODO |
|
210 |
check $hosts \ |
|
211 |
$OPT/bin/pvl.hosts-check $hosts |
|
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212 |
} |
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213 |
|
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214 |
## Test zone file for validity using named-checkzone: |
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215 |
# |
82 | 216 |
# check_zone ..../$zone $origin |
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217 |
function check_zone { |
82 | 218 |
local zone=$1 |
219 |
local origin=$2 |
|
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220 |
|
90
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221 |
log_check "Checking $zone @ $origin..." |
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222 |
|
82 | 223 |
# checkzone is very specific about the order of arguments, -q must be first |
224 |
check $zone $NAMED_CHECKZONE $origin $zone |
|
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225 |
} |
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226 |
|
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227 |
## Test DHCP configuration for validity using dhcpd -t: |
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228 |
# |
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229 |
# check_dhcp [$conf] |
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230 |
# |
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231 |
# Defaults to the global $DHCPD_CONF. |
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232 |
# Fails if the check fails. |
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233 |
function check_dhcp { |
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234 |
local conf=${1:-$DHCPD_CONF} |
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235 |
|
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|
236 |
log_check "Checking DHCP $conf..." |
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237 |
|
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|
238 |
if [ ! -e $DHCPD ]; then |
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239 |
log_warn "check_dhcp: dhcpd not installed, skipping: $conf" |
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|
240 |
return 0 |
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|
241 |
fi |
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242 |
|
82 | 243 |
check $conf \ |
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|
244 |
$DHCPD -cf $conf -t |
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|
245 |
} |
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|
246 |
|
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247 |
## Test DHCP configuration of given settings/dhcp using check_dhcp $DHCP_DATA/$host.conf: |
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248 |
# |
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249 |
# check_dhcp_conf $conf |
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250 |
# |
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|
251 |
function check_dhcp_conf { |
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|
252 |
local conf=$1; |
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|
253 |
|
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|
254 |
check_dhcp $DHCP_DATA/$conf.conf |
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|
255 |
} |
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|
256 |
|
82 | 257 |
### Deploy |
258 |
## Run rndc reload |
|
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|
259 |
function do_reload_zones { |
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|
260 |
# run |
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|
261 |
indent " rndc: " \ |
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|
262 |
$RNDC reload |
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|
263 |
|
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|
264 |
# set flag |
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|
265 |
RELOAD_ZONES=y |
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266 |
} |
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|
267 |
|
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|
268 |
## Load update zonefiles into bind: |
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269 |
# |
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270 |
# reload_zones |
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271 |
# |
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272 |
# Invokes `rndc reload`, showing its output. |
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273 |
function reload_zones { |
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274 |
local msg="Reload zones" |
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275 |
|
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if [ $RELOAD_FORCE ]; then |
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log_force "$msg..." |
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278 |
|
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do_reload_zones |
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280 |
|
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elif [ $RELOAD_NOOP ]; then |
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log_noop "$msg: skipped" |
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283 |
|
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elif [ ! -e $RNDC ]; then |
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log_warn "reload_zones: rndc not installed, skipping" |
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286 |
|
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elif [ ! -e $RNDC_KEY ]; then |
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log_warn " $msg: rndc: key not found: $RNDC_KEY" |
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289 |
|
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elif [ ! -r $RNDC_KEY ]; then |
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log_error " $msg: rndc: permission denied: $RNDC_KEY" |
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292 |
|
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return 1 |
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294 |
|
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295 |
else |
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296 |
log_update "$msg..." |
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297 |
|
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298 |
# run |
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do_reload_zones |
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300 |
fi |
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301 |
} |
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302 |
|
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303 |
## Reload DHCP by restarting it, if running: |
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304 |
# |
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305 |
# do_reload_dhcp |
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306 |
# |
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307 |
# Does NOT restart dhcp if it is not running (status). |
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308 |
function do_reload_dhcp { |
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309 |
if cmd_test $DHCPD_INIT status >/dev/null; then |
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310 |
cmd $DHCPD_INIT restart |
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311 |
else |
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312 |
log_warn "dhcpd not running; did not restart" |
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313 |
fi |
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314 |
} |
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315 |
|
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316 |
## Reload dhcp hosts |
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317 |
# |
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318 |
# reload_dhcp |
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319 |
# |
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320 |
# noop's if we haven't reloaded zones |
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321 |
function reload_dhcp { |
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322 |
local msg="Reload DHCP hosts" |
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323 |
|
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324 |
if [ $RELOAD_FORCE ]; then |
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325 |
log_force "$msg..." |
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326 |
|
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327 |
do_reload_dhcp |
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328 |
|
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329 |
elif [ $RELOAD_NOOP ]; then |
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330 |
log_noop "$msg: skipped" |
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331 |
|
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332 |
elif [ ! -e $DHCPD ]; then |
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|
333 |
log_warn "reload_dhcp: dhcpd not installed, skipping: $conf" |
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|
334 |
|
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335 |
else |
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|
336 |
log_update "$msg..." |
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|
337 |
|
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338 |
# run |
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339 |
do_reload_dhcp |
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340 |
fi |
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341 |
} |
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342 |
|
82 | 343 |
### Commit |
344 |
## Perform `hg commit` |
|
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345 |
function do_commit { |
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|
346 |
local repo=$1 |
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|
347 |
local msg=$1 |
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|
348 |
|
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349 |
[ $LOG_DIFF ] && indent " " hg_diff $repo |
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|
350 |
|
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|
351 |
hg_commit $repo "$msg" |
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352 |
} |
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|
353 |
|
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354 |
|
82 | 355 |
## Commit changes to version control: |
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|
356 |
# |
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357 |
# commit_data |
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358 |
# |
82 | 359 |
# Invokes `hg commit`, first showing the diff. |
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360 |
function commit { |
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361 |
local repo=$1 |
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362 |
local commit_msg="$COMMIT_MSG" |
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|
363 |
|
82 | 364 |
local msg="Commit changes" |
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|
365 |
|
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|
366 |
# operate? |
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|
367 |
if [ $COMMIT_FORCE ]; then |
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|
368 |
log_force "$msg..." |
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|
369 |
|
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|
370 |
do_commit "$commit_msg" |
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|
371 |
|
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372 |
elif ! hg_modified $repo; then |
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373 |
log_warn "$msg: no changes" |
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|
374 |
|
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|
375 |
elif [ $COMMIT_SKIP ]; then |
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|
376 |
log_noop "$msg: skipped" |
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|
377 |
|
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378 |
# still show diff, though |
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379 |
[ $LOG_DIFF ] && indent " " hg_diff $repo |
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|
380 |
else |
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|
381 |
log_update "$msg..." |
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|
382 |
|
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383 |
do_commit $repo "$commit_msg" |
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|
384 |
fi |
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|
385 |
} |