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lxc: remove no longer working netns check
Since iproute2 v6.12.0, the command "ip link set lo netns -1" can no longer be used to check for netns support, as it now validates PIDs are not less than zero. Since every kernel we care about has the support, just remove the check. Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Leigh Brown <leigh@solinno.co.uk>
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@ -49,7 +49,6 @@ struct _virLXCDriverConfig {
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char *stateDir;
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char *logDir;
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bool log_libvirtd;
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int have_netns;
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char *securityDriverName;
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bool securityDefaultConfined;
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@ -422,12 +422,6 @@ lxcDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int flags)
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if (virSecurityManagerVerify(driver->securityManager, def) < 0)
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goto cleanup;
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if ((def->nets != NULL) && !(cfg->have_netns)) {
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virReportError(VIR_ERR_OPERATION_INVALID,
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"%s", _("System lacks NETNS support"));
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goto cleanup;
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}
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if (!(vm = virDomainObjListAdd(driver->domains, &def,
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driver->xmlopt,
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0, &oldDef)))
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@ -974,12 +968,6 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
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if (virDomainCreateWithFilesEnsureACL(dom->conn, vm->def) < 0)
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goto cleanup;
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if ((vm->def->nets != NULL) && !(cfg->have_netns)) {
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virReportError(VIR_ERR_OPERATION_INVALID,
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"%s", _("System lacks NETNS support"));
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goto cleanup;
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}
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if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY) < 0)
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goto cleanup;
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@ -1088,13 +1076,6 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
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if (virSecurityManagerVerify(driver->securityManager, def) < 0)
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goto cleanup;
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if ((def->nets != NULL) && !(cfg->have_netns)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
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"%s", _("System lacks NETNS support"));
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goto cleanup;
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}
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if (!(vm = virDomainObjListAdd(driver->domains, &def,
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driver->xmlopt,
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VIR_DOMAIN_OBJ_LIST_ADD_LIVE |
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@ -1386,22 +1367,6 @@ lxcDomainDestroy(virDomainPtr dom)
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return lxcDomainDestroyFlags(dom, 0);
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}
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static int lxcCheckNetNsSupport(void)
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{
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g_autoptr(virCommand) cmd = virCommandNewArgList("ip", "link", "set", "lo",
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"netns", "-1", NULL);
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int ip_rc;
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if (virCommandRun(cmd, &ip_rc) < 0 || ip_rc == 255)
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return 0;
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if (virProcessNamespaceAvailable(VIR_PROCESS_NAMESPACE_NET) < 0)
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return 0;
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return 1;
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}
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static virSecurityManager *
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lxcSecurityInit(virLXCDriverConfig *cfg)
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{
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@ -1481,7 +1446,6 @@ lxcStateInitialize(bool privileged,
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goto cleanup;
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cfg->log_libvirtd = false; /* by default log to container logfile */
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cfg->have_netns = lxcCheckNetNsSupport();
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/* Call function to load lxc driver configuration information */
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if (virLXCLoadDriverConfig(cfg, SYSCONFDIR "/libvirt/lxc.conf") < 0)
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