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clixon/test/test_restconf_netns.sh
Olof hagsand 5692072d36 * Fixed: [CLIXON is not waiting for the hello message #184](https://github.com/clicon/clixon/issues/184) 
* Hello message semantics has been made stricter according to RFC 6241 Sec 8.1, for example:
  * A client MUST send a <hello> element.
  * Each peer MUST send at least the base NETCONF capability, "urn:ietf:params:netconf:base:1.1" (or 1.0 for RFC 4741)
  * The netconf client will terminate (close the socket) if the client does not comply
  * You can set `CLICON_NETCONF_HELLO_OPTIONAL` to true to use the old behavior of essentially ignoring hellos.
* New clixon-config@2020-03-08.yang revision
  * Added: `CLICON_NETCONF_HELLO_OPTIONAL`
* The base capability has been changed to "urn:ietf:params:netconf:base:1.1" following RFC6241.
2021-03-10 14:18:16 +01:00

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#!/usr/bin/env bash
# Restconf evhtp using socket network namespace (netns) support
# Listen to a default and a separate netns
# Init running with a=42
# Get the config from default and netns namespace with/without SSL
# Write b=99 in netns and read from default
# Magic line must be first in script (see README.md)
s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi
# Skip if other than evhtp
if [ "${WITH_RESTCONF}" != "evhtp" ]; then
if [ "$s" = $0 ]; then exit 0; else return 0; fi # skip
fi
# Skip if valgrind restconf (actually valgrind version < 3.16 27 May 2020)
if [ $valgrindtest -eq 3 ]; then
if [ "$s" = $0 ]; then exit 0; else return 0; fi # skip
fi
# Check if ip netns is implemented (Alpine does not have it)
ip netns 2> /dev/null
if [ $? -ne 0 ]; then
echo "...ip netns does not work"
if [ "$s" = $0 ]; then exit 0; else return 0; fi # skip
fi
APPNAME=example
cfg=$dir/conf.xml
startupdb=$dir/startup_db
netns=clixonnetns
veth=veth0
vethpeer=veth1
vaddr=10.23.1.1 # address in netns
# Create server certs
certdir=$dir/certs
srvkey=$certdir/srv_key.pem
srvcert=$certdir/srv_cert.pem
cakey=$certdir/ca_key.pem # needed?
cacert=$certdir/ca_cert.pem
test -d $certdir || mkdir $certdir
. ./certs.sh
# XXX Note default port need to be 80 for wait_restconf to work
RESTCONFIG=$(cat <<EOF
<restconf>
<enable>true</enable>
<auth-type>none</auth-type>
<server-cert-path>$srvcert</server-cert-path>
<server-key-path>$srvkey</server-key-path>
<server-ca-cert-path>$cakey</server-ca-cert-path>
<pretty>false</pretty>
<socket> <!-- reference and to get wait-restconf to work -->
<namespace>default</namespace>
<address>0.0.0.0</address>
<port>80</port>
<ssl>false</ssl>
</socket>
<!-- namespace http -->
<socket>
<namespace>$netns</namespace>
<address>0.0.0.0</address>
<port>80</port>
<ssl>false</ssl>
</socket>
<!-- namespace https -->
<socket>
<namespace>$netns</namespace>
<address>0.0.0.0</address>
<port>443</port>
<ssl>true</ssl>
</socket>
</restconf>"
EOF
)
cat <<EOF > $cfg
<clixon-config xmlns="http://clicon.org/config">
<CLICON_CONFIGFILE>$cfg</CLICON_CONFIGFILE>
<CLICON_FEATURE>ietf-netconf:startup</CLICON_FEATURE>
<CLICON_YANG_DIR>/usr/local/share/clixon</CLICON_YANG_DIR>
<CLICON_YANG_DIR>$IETFRFC</CLICON_YANG_DIR>
<CLICON_YANG_MODULE_MAIN>clixon-example</CLICON_YANG_MODULE_MAIN>
<CLICON_CLISPEC_DIR>/usr/local/lib/$APPNAME/clispec</CLICON_CLISPEC_DIR>
<CLICON_BACKEND_DIR>/usr/local/lib/$APPNAME/backend</CLICON_BACKEND_DIR>
<CLICON_BACKEND_REGEXP>example_backend.so$</CLICON_BACKEND_REGEXP>
<CLICON_RESTCONF_DIR>/usr/local/lib/$APPNAME/restconf</CLICON_RESTCONF_DIR>
<CLICON_CLI_DIR>/usr/local/lib/$APPNAME/cli</CLICON_CLI_DIR>
<CLICON_CLI_MODE>$APPNAME</CLICON_CLI_MODE>
<CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
<CLICON_BACKEND_PIDFILE>/usr/local/var/$APPNAME/$APPNAME.pidfile</CLICON_BACKEND_PIDFILE>
<CLICON_XMLDB_DIR>$dir</CLICON_XMLDB_DIR>
<CLICON_MODULE_LIBRARY_RFC7895>true</CLICON_MODULE_LIBRARY_RFC7895>
$RESTCONFIG
</clixon-config>
EOF
new "Create netns: $netns"
sudo ip netns delete $netns
# Create netns
sudo ip netns add $netns
if [ -z "$(ip netns list | grep $netns)" ]; then
err "$netns" "$netns does not exist"
fi
new "Create veth pair: $veth and $vethpeer"
sudo ip link delete $veth 2> /dev/null
sudo ip link delete $vethpeer 2> /dev/null
sudo ip link add $veth type veth peer name $vethpeer
if [ -z "$(ip netns show $veth)" ]; then
err "$veth" "$veth does not exist"
fi
if [ -z "$(ip netns show $vethpeer)" ]; then
err "$veth" "$vethpeer does not exist"
fi
new "Move $vethpeer to netns $netns"
sudo ip link set $vethpeer netns $netns
if [ -z "$( sudo ip netns exec $netns ip link show $vethpeer)" ]; then
err "$veth" "$vethpeer does not exist"
fi
new "Assign address $vaddr on $veth in netns $netns"
sudo ip netns exec $netns ip addr add $vaddr/24 dev $vethpeer
sudo ip netns exec $netns ip link set dev $vethpeer up
sudo ip netns exec $netns ip link set dev lo up
#sudo ip netns exec $netns ping $vaddr
#-----------------
new "test params: -f $cfg"
if [ $BE -ne 0 ]; then
new "kill old backend"
sudo clixon_backend -z -f $cfg
if [ $? -ne 0 ]; then
err
fi
new "start backend -s init -f $cfg"
start_backend -s init -f $cfg
new "waiting"
wait_backend
fi
if [ $RC -ne 0 ]; then
new "kill old restconf daemon"
stop_restconf_pre
new "start restconf daemon"
start_restconf -f $cfg
new "waiting"
wait_restconf # need to use port 80/443
fi
new "add sample config w netconf"
expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><edit-config><target><candidate/></target><config><table xmlns=\"urn:example:clixon\"><parameter><name>a</name><value>42</value></parameter></table></config></edit-config></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><ok/></rpc-reply>]]>]]>$"
new "netconf commit"
expecteof "$clixon_netconf -qf $cfg" 0 "$DEFAULTHELLO<rpc $DEFAULTNS><commit/></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><ok/></rpc-reply>]]>]]>$"
new "restconf http get config on default netns"
expectpart "$(curl $CURLOPTS -X GET -H 'Accept: application/yang-data+xml' http://127.0.0.1/restconf/data/clixon-example:table)" 0 "HTTP/1.1 200 OK" '<table xmlns="urn:example:clixon"><parameter><name>a</name><value>42</value></parameter></table>'
new "restconf http get config on addr:$vaddr in netns:$netns"
expectpart "$(sudo ip netns exec $netns curl $CURLOPTS -X GET -H 'Accept: application/yang-data+xml' https://$vaddr/restconf/data/clixon-example:table)" 0 "HTTP/1.1 200 OK" '<table xmlns="urn:example:clixon"><parameter><name>a</name><value>42</value></parameter></table>'
new "restconf https/SSL get config on addr:$vaddr in netns:$netns"
expectpart "$(sudo ip netns exec $netns curl $CURLOPTS -X GET -H 'Accept: application/yang-data+xml' https://$vaddr/restconf/data/clixon-example:table)" 0 "HTTP/1.1 200 OK" '<table xmlns="urn:example:clixon"><parameter><name>a</name><value>42</value></parameter></table>'
new "restconf https/SSL put table b"
expectpart "$(sudo ip netns exec $netns curl $CURLOPTS -X POST -H 'Content-Type: application/yang-data+xml' -d '<parameter xmlns="urn:example:clixon"><name>b</name><value>99</value></parameter>' https://$vaddr/restconf/data/clixon-example:table)" 0 "HTTP/1.1 201 Created"
new "restconf http get table b on default ns"
expectpart "$(curl $CURLOPTS -X GET -H 'Accept: application/yang-data+xml' http://127.0.0.1/restconf/data/clixon-example:table/parameter=b)" 0 "HTTP/1.1 200 OK" '<parameter xmlns="urn:example:clixon"><name>b</name><value>99</value></parameter>'
# Negative
new "restconf get config on wrong port in netns:$netns"
expectpart "$(sudo ip netns exec $netns curl $CURLOPTS -X GET -H 'Accept: application/yang-data+xml' $RCPROTO://$vaddr:8888/restconf/data/clixon-example:table 2> /dev/null)" 7
if [ $RC -ne 0 ]; then
new "Kill restconf daemon"
stop_restconf
fi
if [ $BE -ne 0 ]; then
new "Kill backend"
# Check if premature kill
pid=$(pgrep -u root -f clixon_backend)
if [ -z "$pid" ]; then
err "backend already dead"
fi
# kill backend
stop_backend -f $cfg
fi
sudo ip link delete $veth
sudo ip netns delete $netns
new "endtest"
endtest
rm -rf $dir
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