Re: [libvirt] [PATCH 1/3] bhyve: implement support for commandline args

Implement support for passing custom command line arguments to bhyve using the 'bhyve:commandline' element: <bhyve:commandline> <bhyve:arg value='-newarg'/> </bhyve:commandline> * Define virDomainXMLNamespace for the bhyve driver, which at this point supports only the 'commandline' element described above, * Update command generation code to inject these command line arguments between driver-generated arguments and the vmname positional argument. Signed-off-by: Roman Bogorodskiy <bogorodskiy(a)gmail.com&gt; --- docs/schemas/domaincommon.rng | 17 +++ src/bhyve/bhyve_command.c | 9 ++ src/bhyve/bhyve_conf.c | 15 +++ src/bhyve/bhyve_conf.h | 9 ++ src/bhyve/bhyve_domain.c | 107 +++++++++++++++++- src/bhyve/bhyve_domain.h | 1 + .../bhyvexml2argv-commandline.args | 9 ++ .../bhyvexml2argv-commandline.ldargs | 3 + .../bhyvexml2argv-commandline.xml | 27 +++++ tests/bhyvexml2argvtest.c | 1 + .../bhyvexml2xmlout-commandline.xml | 37 ++++++ tests/bhyvexml2xmltest.c | 1 + 12 files changed, 235 insertions(+), 1 deletion(-) create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-commandline.args create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-commandline.ldargs create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-commandline.xml create mode 100644 tests/bhyvexml2xmloutdata/bhyvexml2xmlout-commandline.xml

diff --git a/src/bhyve/bhyve_conf.c b/src/bhyve/bhyve_conf.c index 60baa2e848..75709801c7 100644 --- a/src/bhyve/bhyve_conf.c +++ b/src/bhyve/bhyve_conf.c @@ -25,6 +25,7 @@ #include "virlog.h" #include "virstring.h" #include "bhyve_conf.h" +#include "bhyve_domain.h" #include "configmake.h" #define VIR_FROM_THIS VIR_FROM_BHYVE @@ -107,3 +108,17 @@ virBhyveDriverConfigDispose(void *obj) VIR_FREE(cfg->firmwareDir); } + +void bhyveDomainCmdlineDefFree(bhyveDomainCmdlineDefPtr def)

+{ + size_t i; + + if (!def) + return; + + for (i = 0; i < def->num_args; i++) + VIR_FREE(def->args[i]); + + VIR_FREE(def->args); + VIR_FREE(def); +}

diff --git a/src/bhyve/bhyve_domain.c b/src/bhyve/bhyve_domain.c index e54af75f4d..554188ebeb 100644 --- a/src/bhyve/bhyve_domain.c +++ b/src/bhyve/bhyve_domain.c

+static int +bhyveDomainDefNamespaceParse(xmlDocPtr xml ATTRIBUTE_UNUSED, + xmlNodePtr root ATTRIBUTE_UNUSED, + xmlXPathContextPtr ctxt, + void **data) +{ + bhyveDomainCmdlineDefPtr cmd = NULL; + bool uses_bhyve_ns = false; + xmlNodePtr *nodes = NULL; + int n; + size_t i;

+ + if (xmlXPathRegisterNs(ctxt, BAD_CAST "bhyve", BAD_CAST BHYVE_NAMESPACE_HREF) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Failed to register xml namespace '%s'"), + BHYVE_NAMESPACE_HREF); + return -1; + } + + if (VIR_ALLOC(cmd) < 0) + return -1; + + n = virXPathNodeSet("./bhyve:commandline/bhyve:arg", ctxt, &nodes); + if (n < 0) + goto error; + uses_bhyve_ns = n > 0;

+ + if (n && VIR_ALLOC_N(cmd->args, n) < 0) + goto error;

+ + for (i = 0; i < n; i++) { + cmd->args[cmd->num_args] = virXMLPropString(nodes[i], "value"); + if (cmd->args[cmd->num_args] == NULL) { + virReportError(VIR_ERR_INTERNAL_ERROR, + "%s", _("No bhyve command-line argument specified")); + goto error;

+ } + cmd->num_args++; + } + + VIR_FREE(nodes); + + if (uses_bhyve_ns) + *data = cmd; + else + VIR_FREE(cmd);

+ + return 0; + + error: + VIR_FREE(nodes); + bhyveDomainDefNamespaceFree(cmd); + return -1; +} +

diff --git a/tests/bhyvexml2argvdata/bhyvexml2argv-commandline.args b/tests/bhyvexml2argvdata/bhyvexml2argv-commandline.args new file mode 100644 index 0000000000..cb21b99cd6 --- /dev/null +++ b/tests/bhyvexml2argvdata/bhyvexml2argv-commandline.args @@ -0,0 +1,9 @@ +/usr/sbin/bhyve \ +-c 1 \ +-m 214 \ +-u \ +-H \ +-P \ +-s 0:0,hostbridge \ +-s 2:0,ahci,hd:/tmp/freebsd.img \ +-s 3:0,virtio-net,faketapdev,mac=52:54:00:b9:94:02 ARGUMENT1 ARGUMENT2 bhyve

From the not that matters but viewpoint: