* Support for YANG conditionals "must" and "when" according to RFC 7950 Sec 7.5.3 and 7.21.5
* XPATH checked at validation time
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Olof hagsand
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14 changed files with 244 additions and 54 deletions
151
test/test_when_must.sh
Executable file
151
test/test_when_must.sh
Executable file
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#!/bin/bash
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# Yang when and must conditional xpath specification
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# Testing of validation phase.
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APPNAME=example
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# include err() and new() functions and creates $dir
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. ./lib.sh
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cfg=$dir/conf_yang.xml
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fyang=$dir/test.yang
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cat <<EOF > $cfg
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<config>
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<CLICON_CONFIGFILE>$cfg</CLICON_CONFIGFILE>
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<CLICON_YANG_DIR>/usr/local/share/$APPNAME/yang</CLICON_YANG_DIR>
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<CLICON_YANG_MODULE_MAIN>$APPNAME</CLICON_YANG_MODULE_MAIN>
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<CLICON_CLISPEC_DIR>/usr/local/lib/$APPNAME/clispec</CLICON_CLISPEC_DIR>
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<CLICON_CLI_DIR>/usr/local/lib/$APPNAME/cli</CLICON_CLI_DIR>
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<CLICON_CLI_MODE>$APPNAME</CLICON_CLI_MODE>
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<CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
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<CLICON_BACKEND_PIDFILE>/usr/local/var/$APPNAME/$APPNAME.pidfile</CLICON_BACKEND_PIDFILE>
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<CLICON_CLI_GENMODEL_COMPLETION>1</CLICON_CLI_GENMODEL_COMPLETION>
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<CLICON_XMLDB_DIR>/usr/local/var/$APPNAME</CLICON_XMLDB_DIR>
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<CLICON_XMLDB_PLUGIN>/usr/local/lib/xmldb/text.so</CLICON_XMLDB_PLUGIN>
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</config>
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EOF
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cat <<EOF > $fyang
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module $APPNAME{
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prefix ex;
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identity routing-protocol {
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description
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"Base identity from which routing protocol identities are
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derived.";
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}
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identity direct {
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base routing-protocol;
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description
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"Routing pseudo-protocol which provides routes to directly
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connected networks.";
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}
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identity static {
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base routing-protocol;
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description
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"Static routing pseudo-protocol.";
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}
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list whenex {
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key "type name";
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leaf type {
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type identityref {
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base routing-protocol;
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}
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}
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leaf name {
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type string;
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}
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leaf route-preference {
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type uint32;
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}
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container static-routes {
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when "../type='static'" {
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description
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"This container is only valid for the 'static'
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routing protocol.";
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}
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presence true;
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}
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}
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container interface {
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leaf ifType {
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type enumeration {
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enum ethernet;
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enum atm;
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}
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}
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leaf ifMTU {
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type uint32;
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}
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must 'ifType != "ethernet" or ifMTU = 1500' {
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error-message "An Ethernet MTU must be 1500";
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}
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must 'ifType != "atm" or'
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+ ' (ifMTU <= 17966 and ifMTU >= 64)' {
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error-message "An ATM MTU must be 64 .. 17966";
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}
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}
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}
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EOF
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# kill old backend (if any)
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new "kill old backend"
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sudo clixon_backend -zf $cfg -y $fyang
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if [ $? -ne 0 ]; then
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err
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fi
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new "start backend -s init -f $cfg -y $fyang"
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# start new backend
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sudo clixon_backend -s init -f $cfg -y $fyang
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if [ $? -ne 0 ]; then
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err
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fi
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new "when: add static route"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><edit-config><target><candidate/></target><config><whenex><type>static</type><name>r1</name><static-routes/></whenex></config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "when: validate ok"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><validate><source><candidate/></source></validate></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "when: add direct route"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><edit-config><target><candidate/></target><config><whenex><type>direct</type><name>r2</name><static-routes/></whenex></config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "when get config"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><get-config><source><candidate/></source></get-config></rpc>]]>]]>" "^<rpc-reply><data><whenex><type>direct</type><name>r2</name><static-routes/></whenex><whenex><type>static</type><name>r1</name><static-routes/></whenex></data></rpc-reply>]]>]]>$"
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new "when: validate fail"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><validate><source><candidate/></source></validate></rpc>]]>]]>" "^<rpc-reply><rpc-error><error-tag>operation-failed</error-tag><error-type>application</error-type><error-severity>error</error-severity><error-message>xpath static-routes validation failed</error-message></rpc-error></rpc-reply>]]>]]>$"
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new "when: discard-changes"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><discard-changes/></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "must: add interface"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><edit-config><target><candidate/></target><config><interface><ifType>ethernet</ifType><ifMTU>1500</ifMTU></interface></config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "must: validate ok"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><validate><source><candidate/></source></validate></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "must: add atm interface"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><edit-config><target><candidate/></target><config><interface><ifType>atm</ifType><ifMTU>32</ifMTU></interface></config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "must: atm validate fail"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><validate><source><candidate/></source></validate></rpc>]]>]]>" "^<rpc-reply><rpc-error><error-tag>operation-failed</error-tag><error-type>application</error-type><error-severity>error</error-severity><error-message>An ATM MTU must be 64 .. 17966</error-message></rpc-error></rpc-reply>]]>]]>$"
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new "must: add eth interface"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><edit-config><target><candidate/></target><config><interface><ifType>ethernet</ifType><ifMTU>989</ifMTU></interface></config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "must: eth validate fail"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" 0 "<rpc><validate><source><candidate/></source></validate></rpc>]]>]]>" "^<rpc-reply><rpc-error><error-tag>operation-failed</error-tag><error-type>application</error-type><error-severity>error</error-severity><error-message>An Ethernet MTU must be 1500</error-message></rpc-error></rpc-reply>]]>]]>"
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# Check if still alive
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pid=`pgrep clixon_backend`
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if [ -z "$pid" ]; then
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err "backend already dead"
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fi
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# kill backend
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sudo clixon_backend -zf $cfg
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if [ $? -ne 0 ]; then
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err "kill backend"
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fi
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rm -rf $dir
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