[libvirt] [PATCH v2] qemu: Adding 'downscript' feature for QEMU network interfaces.
Julio Faracco
jcfaracco at gmail.com
Tue May 16 01:24:49 UTC 2017
Ping. Any feedback?
2017-05-05 11:25 GMT-03:00 Julio Faracco <jcfaracco at gmail.com>:
> V1 patch did not have the docs/formatdomain.html.in commit.
>
> 2017-05-05 11:22 GMT-03:00 Julio Faracco <jcfaracco at gmail.com>:
>> This commit adds the support for 'downscript' feature:
>> - For QEMU command line with the option:
>> '-net downscript=/etc/qemu-ifdown,...'.
>>
>> - For Domains with a network interface description:
>> '<interface type='ethernet'>
>> ...
>> <downscript path='/etc/qemu-ifdown'/>
>> ...
>> </interface>'
>>
>> The options 'script' and 'downscript' accept the argument 'no' to disable
>> the script executions. The way that the code was implemented, the XML file
>> accepts '<[down]script path='no'>' to solve this problem.
>>
>> This commit updates the tests and documentation too.
>>
>> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=825939
>>
>> Signed-off-by: Julio Faracco <jcfaracco at gmail.com>
>> ---
>> docs/formatdomain.html.in | 1 +
>> docs/schemas/domaincommon.rng | 8 ++++++++
>> src/conf/domain_conf.c | 13 +++++++++++++
>> src/conf/domain_conf.h | 1 +
>> src/qemu/qemu_parse_command.c | 4 ++++
>> tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args | 2 +-
>> tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml | 1 +
>> tests/qemuargv2xmldata/qemuargv2xml-net-eth.args | 2 +-
>> tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml | 1 +
>> tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml | 1 +
>> tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml | 1 +
>> tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml | 1 +
>> tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml | 1 +
>> 13 files changed, 35 insertions(+), 2 deletions(-)
>>
>> diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
>> index 8c884f4..89fe86d 100644
>> --- a/docs/formatdomain.html.in
>> +++ b/docs/formatdomain.html.in
>> @@ -4663,6 +4663,7 @@
>> <interface type='ethernet'>
>> <target dev='vnet7'/>
>> <script path='/etc/qemu-ifup-mynet'/>
>> + <downscript path='/etc/qemu-ifdown-mynet'/>
>> </interface>
>> </devices>
>> ...</pre>
>> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
>> index 281309e..2f88dda 100644
>> --- a/docs/schemas/domaincommon.rng
>> +++ b/docs/schemas/domaincommon.rng
>> @@ -2609,6 +2609,14 @@
>> </element>
>> </optional>
>> <optional>
>> + <element name="downscript">
>> + <attribute name="path">
>> + <ref name="filePath"/>
>> + </attribute>
>> + <empty/>
>> + </element>
>> + </optional>
>> + <optional>
>> <element name="backenddomain">
>> <attribute name="name">
>> <ref name="domainName"/>
>> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
>> index 0ff216e..32d5720 100644
>> --- a/src/conf/domain_conf.c
>> +++ b/src/conf/domain_conf.c
>> @@ -1935,6 +1935,7 @@ virDomainNetDefClear(virDomainNetDefPtr def)
>> VIR_FREE(def->backend.vhost);
>> VIR_FREE(def->virtPortProfile);
>> VIR_FREE(def->script);
>> + VIR_FREE(def->downscript);
>> VIR_FREE(def->domain_name);
>> VIR_FREE(def->ifname);
>> VIR_FREE(def->ifname_guest);
>> @@ -9589,6 +9590,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
>> char *ifname_guest = NULL;
>> char *ifname_guest_actual = NULL;
>> char *script = NULL;
>> + char *downscript = NULL;
>> char *address = NULL;
>> char *port = NULL;
>> char *localaddr = NULL;
>> @@ -9761,6 +9763,9 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
>> } else if (!script &&
>> xmlStrEqual(cur->name, BAD_CAST "script")) {
>> script = virXMLPropString(cur, "path");
>> + } else if (!downscript &&
>> + xmlStrEqual(cur->name, BAD_CAST "downscript")) {
>> + downscript = virXMLPropString(cur, "path");
>> } else if (!domain_name &&
>> xmlStrEqual(cur->name, BAD_CAST "backenddomain")) {
>> domain_name = virXMLPropString(cur, "name");
>> @@ -10074,6 +10079,10 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
>> def->script = script;
>> script = NULL;
>> }
>> + if (downscript != NULL) {
>> + def->downscript = downscript;
>> + downscript = NULL;
>> + }
>> if (domain_name != NULL) {
>> def->domain_name = domain_name;
>> domain_name = NULL;
>> @@ -10356,6 +10365,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
>> VIR_FREE(dev);
>> virDomainActualNetDefFree(actual);
>> VIR_FREE(script);
>> + VIR_FREE(downscript);
>> VIR_FREE(bridge);
>> VIR_FREE(model);
>> VIR_FREE(backend);
>> @@ -22158,6 +22168,9 @@ virDomainNetDefFormat(virBufferPtr buf,
>>
>> virBufferEscapeString(buf, "<script path='%s'/>\n",
>> def->script);
>> + if (def->downscript)
>> + virBufferEscapeString(buf, "<downscript path='%s'/>\n",
>> + def->downscript);
>> virBufferEscapeString(buf, "<backenddomain name='%s'/>\n", def->domain_name);
>>
>> if (def->ifname &&
>> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
>> index 09fb7aa..9deca76 100644
>> --- a/src/conf/domain_conf.h
>> +++ b/src/conf/domain_conf.h
>> @@ -1024,6 +1024,7 @@ struct _virDomainNetDef {
>> unsigned long sndbuf;
>> } tune;
>> char *script;
>> + char *downscript;
>> char *domain_name; /* backend domain name */
>> char *ifname; /* interface name on the host (<target dev='x'/>) */
>> virNetDevIPInfo hostIP;
>> diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c
>> index af9063c..d773917 100644
>> --- a/src/qemu/qemu_parse_command.c
>> +++ b/src/qemu/qemu_parse_command.c
>> @@ -1060,6 +1060,10 @@ qemuParseCommandLineNet(virDomainXMLOptionPtr xmlopt,
>> def->script = values[i];
>> values[i] = NULL;
>> } else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET &&
>> + STREQ(keywords[i], "downscript") && STRNEQ(values[i], "")) {
>> + def->downscript = values[i];
>> + values[i] = NULL;
>> + } else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET &&
>> STREQ(keywords[i], "ifname")) {
>> def->ifname = values[i];
>> values[i] = NULL;
>> diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args
>> index 4d74ae4..5d7129c 100644
>> --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args
>> +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args
>> @@ -18,6 +18,6 @@ QEMU_AUDIO_DRV=none \
>> -usb \
>> -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=ide,bus=0,unit=0 \
>> -net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \
>> --net tap,ifname=nic02,script=/etc/qemu-ifup,vlan=0,name=hostnet0 \
>> +-net tap,ifname=nic02,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown,vlan=0,name=hostnet0 \
>> -serial none \
>> -parallel none
>> diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml
>> index fa9a892..8e04efb 100644
>> --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml
>> +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml
>> @@ -30,6 +30,7 @@
>> <interface type='ethernet'>
>> <mac address='00:11:22:33:44:55'/>
>> <script path='/etc/qemu-ifup'/>
>> + <downscript path='/etc/qemu-ifdown'/>
>> <target dev='nic02'/>
>> <model type='rtl8139'/>
>> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
>> diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args
>> index 89eb4c1..0e3fa21 100644
>> --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args
>> +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args
>> @@ -18,6 +18,6 @@ QEMU_AUDIO_DRV=none \
>> -usb \
>> -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=ide,bus=0,unit=0 \
>> -net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \
>> --net tap,script=/etc/qemu-ifup,vlan=0,name=hostnet0 \
>> +-net tap,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown,vlan=0,name=hostnet0 \
>> -serial none \
>> -parallel none
>> diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml
>> index 57c4be8..d177ca8 100644
>> --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml
>> +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml
>> @@ -30,6 +30,7 @@
>> <interface type='ethernet'>
>> <mac address='00:11:22:33:44:55'/>
>> <script path='/etc/qemu-ifup'/>
>> + <downscript path='/etc/qemu-ifdown'/>
>> <model type='rtl8139'/>
>> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
>> </interface>
>> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
>> index dd0d752..21d8259 100644
>> --- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
>> +++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
>> @@ -26,6 +26,7 @@
>> <interface type='ethernet'>
>> <mac address='00:11:22:33:44:55'/>
>> <script path='/etc/qemu-ifup'/>
>> + <downscript path='/etc/qemu-ifdown'/>
>> <target dev='nic02'/>
>> <model type='rtl8139'/>
>> </interface>
>> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
>> index 48acadf..9f40122 100644
>> --- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
>> +++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
>> @@ -26,6 +26,7 @@
>> <interface type='ethernet'>
>> <mac address='00:11:22:33:44:55'/>
>> <script path='/etc/qemu-ifup'/>
>> + <downscript path='/etc/qemu-ifdown'/>
>> <model type='rtl8139'/>
>> </interface>
>> <input type='mouse' bus='ps2'/>
>> diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml
>> index c36baa0..b71fd5a 100644
>> --- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml
>> +++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml
>> @@ -30,6 +30,7 @@
>> <interface type='ethernet'>
>> <mac address='00:11:22:33:44:55'/>
>> <script path='/etc/qemu-ifup'/>
>> + <downscript path='/etc/qemu-ifdown'/>
>> <target dev='nic02'/>
>> <model type='rtl8139'/>
>> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
>> diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml
>> index 898bda6..c55cd68 100644
>> --- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml
>> +++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml
>> @@ -30,6 +30,7 @@
>> <interface type='ethernet'>
>> <mac address='00:11:22:33:44:55'/>
>> <script path='/etc/qemu-ifup'/>
>> + <downscript path='/etc/qemu-ifdown'/>
>> <model type='rtl8139'/>
>> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
>> </interface>
>> --
>> 2.7.4
>>
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