author | Tero Marttila <terom@paivola.fi> |
Thu, 19 Dec 2013 21:04:07 +0200 | |
branch | dns-new |
changeset 93 | 1a313b7b6d40 |
parent 92 | 639a5093039b |
child 94 | 1b02d8075676 |
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="$1"; shift |
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if check_update "$out" "$@"; then |
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log_update "Generating forward hosts zone $out @ $domain <- $@..." |
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do_update "$out" $OPT/bin/pvl.hosts-dns \ |
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--hosts-charset=$CHARSET \ |
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--forward-zone="$domain" \ |
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"$@" |
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else |
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log_skip "Generating forward hosts $out <- $@: 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="$1"; shift |
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if check_update "$out" "$@"; then |
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log_update "Generating reverse hosts zone $out <- $@..." |
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do_update "$out" $OPT/bin/pvl.hosts-dns \ |
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--hosts-charset=$CHARSET \ |
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--reverse-zone="$reverse" \ |
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"$@" |
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else |
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log_skip "Generating reverse hosts $out <- $@: 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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82 | 127 |
## 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 | 134 |
local serial="$1"; shift |
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# test |
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137 |
if [ $SERIAL_FORCE ]; then |
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log_force "Updating $serial: forced" |
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139 |
|
85 | 140 |
do_update_serial "$serial" |
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141 |
|
85 | 142 |
elif ! check_update "$serial" "$@"; then |
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143 |
log_skip "Updating $serial: not changed" |
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144 |
|
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145 |
elif [ $SERIAL_NOOP ]; then |
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log_noop "Updating $serial: skipped" |
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147 |
|
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148 |
else |
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149 |
log_update "Updating $serial..." |
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|
85 | 151 |
do_update_serial "$serial" |
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152 |
fi |
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153 |
} |
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154 |
|
85 | 155 |
## Generate zone file from source using pvl.dns-zone: |
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# |
85 | 157 |
# update_zone out/zones/$zone in/zones/$zone var/serials/$zone |
158 |
function update_zone { |
|
159 |
local out="$1" |
|
160 |
local src="$2" |
|
161 |
local serial="$3" |
|
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162 |
local serial_opt= |
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163 |
|
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164 |
if [ -n "$serial" -a -f "$serial" ]; then |
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serial_opt="--serial=$(cat "$serial")" |
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166 |
|
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167 |
elif [ $SERIAL_NOOP ]; then |
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168 |
warn "$out: noop'd serial, omitting" |
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169 |
else |
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170 |
fail "$out: missing serial: $serial" |
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171 |
fi |
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172 |
|
85 | 173 |
if check_update "$out" "$src" "$serial"; then |
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174 |
log_update "Generating $out <- $src..." |
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175 |
|
85 | 176 |
do_update "$out" $OPT/bin/pvl.dns-zone "$src" \ |
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177 |
--include-path=$SRV/var/zones \ |
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$serial_opt |
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179 |
else |
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180 |
log_skip "Generating $out <- $src: not changed" |
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181 |
fi |
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182 |
} |
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183 |
|
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184 |
## Generate dhcp confs from source using pvl.dhcp-conf: |
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185 |
function update_dhcp_conf { |
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186 |
local out="$1" |
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187 |
local src="$2" |
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188 |
|
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189 |
if check_update "$out" "$src"; then |
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190 |
log_update "Generating $out <- $src..." |
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191 |
|
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192 |
do_update "$out" $OPT/bin/pvl.dhcp-conf "$src" \ |
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193 |
--include-path=$SRV/var/dhcp |
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194 |
else |
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195 |
log_skip "Generating $out <- $src: not changed" |
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196 |
fi |
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197 |
} |
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198 |
|
82 | 199 |
## Test hosts zone for validity using pvl.hosts-check: |
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200 |
# |
82 | 201 |
# check_hosts .../hosts |
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202 |
function check_hosts { |
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203 |
local hosts=$1; shift 1 |
82 | 204 |
|
205 |
# TODO |
|
206 |
check $hosts \ |
|
207 |
$OPT/bin/pvl.hosts-check $hosts |
|
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208 |
} |
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209 |
|
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210 |
## Test zone file for validity using named-checkzone: |
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211 |
# |
82 | 212 |
# check_zone ..../$zone $origin |
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213 |
function check_zone { |
82 | 214 |
local zone=$1 |
215 |
local origin=$2 |
|
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216 |
|
90
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217 |
log_check "Checking $zone @ $origin..." |
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218 |
|
82 | 219 |
# checkzone is very specific about the order of arguments, -q must be first |
220 |
check $zone $NAMED_CHECKZONE $origin $zone |
|
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221 |
} |
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222 |
|
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223 |
## Test DHCP configuration for validity using dhcpd -t: |
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224 |
# |
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225 |
# check_dhcp [$conf] |
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226 |
# |
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227 |
# Defaults to the global $DHCPD_CONF. |
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228 |
# Fails if the check fails. |
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229 |
function check_dhcp { |
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230 |
local conf=${1:-$DHCPD_CONF} |
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231 |
|
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232 |
log_check "Checking DHCP $conf..." |
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233 |
|
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|
234 |
if [ ! -e $DHCPD ]; then |
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|
235 |
log_warn "check_dhcp: dhcpd not installed, skipping: $conf" |
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|
236 |
return 0 |
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|
237 |
fi |
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|
238 |
|
82 | 239 |
check $conf \ |
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|
240 |
$DHCPD -cf $conf -t |
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|
241 |
} |
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|
242 |
|
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243 |
## Test DHCP configuration of given settings/dhcp using check_dhcp $DHCP_DATA/$host.conf: |
62
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244 |
# |
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245 |
# check_dhcp_conf $conf |
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246 |
# |
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247 |
function check_dhcp_conf { |
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|
248 |
local conf=$1; |
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249 |
|
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250 |
check_dhcp $DHCP_DATA/$conf.conf |
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251 |
} |
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252 |
|
82 | 253 |
### Deploy |
254 |
## Run rndc reload |
|
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|
255 |
function do_reload_zones { |
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|
256 |
# run |
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257 |
indent " rndc: " \ |
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|
258 |
$RNDC reload |
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|
259 |
|
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|
260 |
# set flag |
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|
261 |
RELOAD_ZONES=y |
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|
262 |
} |
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|
263 |
|
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|
264 |
## Load update zonefiles into bind: |
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|
265 |
# |
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266 |
# reload_zones |
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# |
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# Invokes `rndc reload`, showing its output. |
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function reload_zones { |
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local msg="Reload zones" |
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271 |
|
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if [ $RELOAD_FORCE ]; then |
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log_force "$msg..." |
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274 |
|
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do_reload_zones |
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276 |
|
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elif [ $RELOAD_NOOP ]; then |
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log_noop "$msg: skipped" |
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279 |
|
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elif [ ! -e $RNDC ]; then |
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log_warn "reload_zones: rndc not installed, skipping" |
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282 |
|
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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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285 |
|
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elif [ ! -r $RNDC_KEY ]; then |
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log_error " $msg: rndc: permission denied: $RNDC_KEY" |
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288 |
|
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return 1 |
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290 |
|
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291 |
else |
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log_update "$msg..." |
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293 |
|
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294 |
# run |
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do_reload_zones |
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296 |
fi |
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} |
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298 |
|
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## Reload DHCP by restarting it, if running: |
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300 |
# |
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301 |
# do_reload_dhcp |
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302 |
# |
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# Does NOT restart dhcp if it is not running (status). |
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304 |
function do_reload_dhcp { |
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if cmd_test $DHCPD_INIT status >/dev/null; then |
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306 |
cmd $DHCPD_INIT restart |
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307 |
else |
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log_warn "dhcpd not running; did not restart" |
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309 |
fi |
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310 |
} |
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311 |
|
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312 |
## Reload dhcp hosts |
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313 |
# |
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314 |
# reload_dhcp |
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315 |
# |
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316 |
# noop's if we haven't reloaded zones |
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317 |
function reload_dhcp { |
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local msg="Reload DHCP hosts" |
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319 |
|
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320 |
if [ $RELOAD_FORCE ]; then |
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321 |
log_force "$msg..." |
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322 |
|
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323 |
do_reload_dhcp |
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324 |
|
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325 |
elif [ $RELOAD_NOOP ]; then |
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326 |
log_noop "$msg: skipped" |
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327 |
|
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328 |
elif [ ! -e $DHCPD ]; then |
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log_warn "reload_dhcp: dhcpd not installed, skipping: $conf" |
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330 |
|
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331 |
else |
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332 |
log_update "$msg..." |
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333 |
|
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334 |
# run |
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335 |
do_reload_dhcp |
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336 |
fi |
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337 |
} |
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338 |
|
82 | 339 |
### Commit |
340 |
## Perform `hg commit` |
|
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341 |
function do_commit { |
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342 |
local repo=$1 |
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343 |
local msg=$1 |
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344 |
|
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345 |
[ $LOG_DIFF ] && indent " " hg_diff $repo |
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346 |
|
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347 |
hg_commit $repo "$msg" |
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348 |
} |
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349 |
|
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350 |
|
82 | 351 |
## Commit changes to version control: |
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352 |
# |
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353 |
# commit_data |
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354 |
# |
82 | 355 |
# Invokes `hg commit`, first showing the diff. |
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356 |
function commit { |
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357 |
local repo=$1 |
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358 |
local commit_msg="$COMMIT_MSG" |
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359 |
|
82 | 360 |
local msg="Commit changes" |
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|
361 |
|
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362 |
# operate? |
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363 |
if [ $COMMIT_FORCE ]; then |
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364 |
log_force "$msg..." |
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|
365 |
|
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366 |
do_commit "$commit_msg" |
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|
367 |
|
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368 |
elif ! hg_modified $repo; then |
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369 |
log_warn "$msg: no changes" |
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|
370 |
|
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371 |
elif [ $COMMIT_SKIP ]; then |
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372 |
log_noop "$msg: skipped" |
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373 |
|
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374 |
# still show diff, though |
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375 |
[ $LOG_DIFF ] && indent " " hg_diff $repo |
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376 |
else |
b68b8615c512
update: split out code into lib/update.foo
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
377 |
log_update "$msg..." |
b68b8615c512
update: split out code into lib/update.foo
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
378 |
|
89
51270237a6ff
cleanup update, reintroduce separate hg repo
Tero Marttila <terom@paivola.fi>
parents:
88
diff
changeset
|
379 |
do_commit $repo "$commit_msg" |
52
b68b8615c512
update: split out code into lib/update.foo
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
380 |
fi |
b68b8615c512
update: split out code into lib/update.foo
Tero Marttila <terom@paivola.fi>
parents:
diff
changeset
|
381 |
} |