From: Julio Faracco <jcfara...@gmail.com> We have to keep the default - querying the agent if no flag is set.
Signed-off-by: Michal Privoznik <mpriv...@redhat.com> Signed-off-by: Julio Faracco <jcfara...@gmail.com> --- src/qemu/qemu_driver.c | 125 +++++++++++++++++++++++++++++++++++------ 1 file changed, 109 insertions(+), 16 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 1fc662b3c8..6b33342be8 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -20257,25 +20257,16 @@ qemuConnectGetCPUModelNames(virConnectPtr conn, } -static char * -qemuDomainGetHostname(virDomainPtr dom, - unsigned int flags) +static int +qemuDomainGetHostnameAgent(virQEMUDriverPtr driver, + virDomainObjPtr vm, + char **hostname) { - virQEMUDriverPtr driver = dom->conn->privateData; - virDomainObjPtr vm = NULL; qemuAgentPtr agent; - char *hostname = NULL; - - virCheckFlags(0, NULL); - - if (!(vm = qemuDomainObjFromDomain(dom))) - return NULL; - - if (virDomainGetHostnameEnsureACL(dom->conn, vm->def) < 0) - goto cleanup; + int ret = -1; if (qemuDomainObjBeginAgentJob(driver, vm, QEMU_AGENT_JOB_QUERY) < 0) - goto cleanup; + return -1; if (virDomainObjCheckActive(vm) < 0) goto endjob; @@ -20284,11 +20275,113 @@ qemuDomainGetHostname(virDomainPtr dom, goto endjob; agent = qemuDomainObjEnterAgent(vm); - ignore_value(qemuAgentGetHostname(agent, &hostname)); + ignore_value(qemuAgentGetHostname(agent, hostname)); qemuDomainObjExitAgent(vm, agent); + ret = 0; endjob: qemuDomainObjEndAgentJob(vm); + return ret; +} + + +static int +qemuDomainGetHostnameLease(virQEMUDriverPtr driver, + virDomainObjPtr vm, + char **hostname) +{ + char macaddr[VIR_MAC_STRING_BUFLEN]; + g_autoptr(virConnect) conn = NULL; + virNetworkDHCPLeasePtr *leases = NULL; + int n_leases; + size_t i, j; + int ret = -1; + + if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_QUERY) < 0) + return -1; + + if (virDomainObjCheckActive(vm) < 0) + goto endjob; + + if (!(conn = virGetConnectNetwork())) + goto endjob; + + for (i = 0; i < vm->def->nnets; i++) { + g_autoptr(virNetwork) network = NULL; + virDomainNetDefPtr net = vm->def->nets[i]; + + if (net->type != VIR_DOMAIN_NET_TYPE_NETWORK) + continue; + + virMacAddrFormat(&net->mac, macaddr); + network = virNetworkLookupByName(conn, net->data.network.name); + + if (!network) + goto endjob; + + if ((n_leases = virNetworkGetDHCPLeases(network, macaddr, + &leases, 0)) < 0) + goto endjob; + + for (j = 0; j < n_leases; j++) { + virNetworkDHCPLeasePtr lease = leases[j]; + if (lease->hostname && !*hostname) + *hostname = g_strdup(lease->hostname); + + virNetworkDHCPLeaseFree(lease); + } + + VIR_FREE(leases); + + if (*hostname) + goto endjob; + } + + ret = 0; + endjob: + qemuDomainObjEndJob(driver, vm); + return ret; +} + + +static char * +qemuDomainGetHostname(virDomainPtr dom, + unsigned int flags) +{ + virQEMUDriverPtr driver = dom->conn->privateData; + virDomainObjPtr vm = NULL; + char *hostname = NULL; + + virCheckFlags(VIR_DOMAIN_GET_HOSTNAME_LEASE | + VIR_DOMAIN_GET_HOSTNAME_AGENT, NULL); + + VIR_EXCLUSIVE_FLAGS_RET(VIR_DOMAIN_GET_HOSTNAME_LEASE, + VIR_DOMAIN_GET_HOSTNAME_AGENT, + NULL); + + if (!(flags & VIR_DOMAIN_GET_HOSTNAME_LEASE)) + flags |= VIR_DOMAIN_GET_HOSTNAME_AGENT; + + if (!(vm = qemuDomainObjFromDomain(dom))) + return NULL; + + if (virDomainGetHostnameEnsureACL(dom->conn, vm->def) < 0) + goto cleanup; + + if (flags & VIR_DOMAIN_GET_HOSTNAME_AGENT) { + if (qemuDomainGetHostnameAgent(driver, vm, &hostname) < 0) + goto cleanup; + } else if (flags & VIR_DOMAIN_GET_HOSTNAME_LEASE) { + if (qemuDomainGetHostnameLease(driver, vm, &hostname) < 0) + goto cleanup; + } + + if (!hostname) { + virReportError(VIR_ERR_NO_HOSTNAME, + _("no hostname found for domain %s"), + vm->def->name); + goto cleanup; + } cleanup: virDomainObjEndAPI(&vm); -- 2.24.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list