[libvirt] [PATCH 8/8] lxc: use job functions in lxcDomain* functions that perform modify actions.
Katerina Koukiou
k.koukiou at googlemail.com
Mon May 16 21:36:54 UTC 2016
Use the recently added job functions and unlock the virDomainObj while
performing the respective modify operation.
This commit affects lxcDomain{DestroyFlags, Reboot, SetBlkioParameters,
SetMemoryParameters, SetMetadata, SetSchedulerParameterFlags, ShutdownFlags}
Signed-off-by: Katerina Koukiou <k.koukiou at gmail.com>
---
src/lxc/lxc_driver.c | 114 +++++++++++++++++++++++++++++++++++++--------------
1 file changed, 83 insertions(+), 31 deletions(-)
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 2d610f4..7cdea2c 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -857,16 +857,19 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
vm, &flags, &vmdef) < 0)
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
if (flags & VIR_DOMAIN_AFFECT_LIVE &&
!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_MEMORY)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("cgroup memory controller is not mounted"));
- goto cleanup;
+ goto endjob;
}
#define VIR_GET_LIMIT_PARAMETER(PARAM, VALUE) \
if ((rc = virTypedParamsGetULLong(params, nparams, PARAM, &VALUE)) < 0) \
- goto cleanup; \
+ goto endjob; \
\
if (rc == 1) \
set_ ## VALUE = true;
@@ -893,24 +896,24 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("memory hard_limit tunable value must be lower "
"than or equal to swap_hard_limit"));
- goto cleanup;
+ goto endjob;
}
}
-#define LXC_SET_MEM_PARAMETER(FUNC, VALUE) \
+#define LXC_SET_MEM_PARAMETER(FUNC, VALUE) \
if (set_ ## VALUE) { \
if (flags & VIR_DOMAIN_AFFECT_LIVE) { \
if ((rc = FUNC(priv->cgroup, VALUE)) < 0) { \
virReportSystemError(-rc, _("unable to set memory %s tunable"), \
#VALUE); \
\
- goto cleanup; \
+ goto endjob; \
} \
vm->def->mem.VALUE = VALUE; \
} \
\
if (flags & VIR_DOMAIN_AFFECT_CONFIG) \
- vmdef->mem.VALUE = VALUE; \
+ vmdef->mem.VALUE = VALUE; \
}
/* Soft limit doesn't clash with the others */
@@ -932,9 +935,14 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
virDomainSaveConfig(cfg->configDir, driver->caps, vmdef) < 0)
- goto cleanup;
+ goto endjob;
ret = 0;
+
+ endjob:
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
if (vm)
virObjectUnlock(vm);
@@ -1538,10 +1546,13 @@ lxcDomainDestroyFlags(virDomainPtr dom,
if (virDomainDestroyFlagsEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
if (!virDomainObjIsActive(vm)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("Domain is not running"));
- goto cleanup;
+ goto endjob;
}
priv = vm->privateData;
@@ -1556,6 +1567,10 @@ lxcDomainDestroyFlags(virDomainPtr dom,
vm = NULL;
}
+ endjob:
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
if (vm)
virObjectUnlock(vm);
@@ -1989,22 +2004,25 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt,
vm, &flags, &vmdef) < 0)
- goto cleanup;
+ goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Make a copy for updated domain. */
vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
if (!vmdef)
- goto cleanup;
+ goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPU)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("cgroup CPU controller is not mounted"));
- goto cleanup;
+ goto endjob;
}
}
@@ -2015,10 +2033,10 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
unsigned long long val;
if (virCgroupSetCpuShares(priv->cgroup, params[i].value.ul) < 0)
- goto cleanup;
+ goto endjob;
if (virCgroupGetCpuShares(priv->cgroup, &val) < 0)
- goto cleanup;
+ goto endjob;
vm->def->cputune.shares = val;
vm->def->cputune.sharesSpecified = true;
@@ -2032,7 +2050,7 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
rc = lxcSetVcpuBWLive(priv->cgroup, params[i].value.ul, 0);
if (rc != 0)
- goto cleanup;
+ goto endjob;
if (params[i].value.ul)
vm->def->cputune.period = params[i].value.ul;
@@ -2044,7 +2062,7 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
rc = lxcSetVcpuBWLive(priv->cgroup, 0, params[i].value.l);
if (rc != 0)
- goto cleanup;
+ goto endjob;
if (params[i].value.l)
vm->def->cputune.quota = params[i].value.l;
@@ -2056,13 +2074,13 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
}
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0)
- goto cleanup;
+ goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
rc = virDomainSaveConfig(cfg->configDir, driver->caps, vmdef);
if (rc < 0)
- goto cleanup;
+ goto endjob;
virDomainObjAssignDef(vm, vmdef, false, NULL);
vmdef = NULL;
@@ -2070,6 +2088,10 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
ret = 0;
+ endjob:
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
virDomainDefFree(vmdef);
if (vm)
@@ -2627,15 +2649,18 @@ lxcDomainSetBlkioParameters(virDomainPtr dom,
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt, vm, &flags,
&persistentDef) < 0)
- goto cleanup;
+ goto endjob;
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_BLKIO)) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("blkio cgroup isn't mounted"));
- goto cleanup;
+ goto endjob;
}
}
@@ -2745,7 +2770,7 @@ lxcDomainSetBlkioParameters(virDomainPtr dom,
}
}
if (ret < 0)
- goto cleanup;
+ goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Clang can't see that if we get here, persistentDef was set. */
sa_assert(persistentDef);
@@ -2783,6 +2808,10 @@ lxcDomainSetBlkioParameters(virDomainPtr dom,
ret = -1;
}
+ endjob:
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
if (vm)
virObjectUnlock(vm);
@@ -3712,6 +3741,7 @@ static int
lxcDomainShutdownFlags(virDomainPtr dom,
unsigned int flags)
{
+ virLXCDriverPtr driver = dom->conn->privateData;
virLXCDomainObjPrivatePtr priv;
virDomainObjPtr vm;
int ret = -1;
@@ -3728,16 +3758,19 @@ lxcDomainShutdownFlags(virDomainPtr dom,
if (virDomainShutdownFlagsEnsureACL(dom->conn, vm->def, flags) < 0)
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
if (!virDomainObjIsActive(vm)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("Domain is not running"));
- goto cleanup;
+ goto endjob;
}
if (priv->initpid == 0) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("Init process ID is not yet known"));
- goto cleanup;
+ goto endjob;
}
if (flags == 0 ||
@@ -3747,12 +3780,12 @@ lxcDomainShutdownFlags(virDomainPtr dom,
if ((rc = virProcessRunInMountNamespace(priv->initpid,
lxcDomainInitctlCallback,
&command)) < 0)
- goto cleanup;
+ goto endjob;
if (rc == 0 && flags != 0 &&
((flags & ~VIR_DOMAIN_SHUTDOWN_INITCTL) == 0)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("Container does not provide an initctl pipe"));
- goto cleanup;
+ goto endjob;
}
} else {
rc = 0;
@@ -3766,12 +3799,16 @@ lxcDomainShutdownFlags(virDomainPtr dom,
virReportSystemError(errno,
_("Unable to send SIGTERM to init pid %llu"),
(unsigned long long)priv->initpid);
- goto cleanup;
+ goto endjob;
}
}
ret = 0;
+ endjob:
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
if (vm)
virObjectUnlock(vm);
@@ -3789,6 +3826,7 @@ static int
lxcDomainReboot(virDomainPtr dom,
unsigned int flags)
{
+ virLXCDriverPtr driver = dom->conn->privateData;
virLXCDomainObjPrivatePtr priv;
virDomainObjPtr vm;
int ret = -1;
@@ -3805,16 +3843,19 @@ lxcDomainReboot(virDomainPtr dom,
if (virDomainRebootEnsureACL(dom->conn, vm->def, flags) < 0)
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
if (!virDomainObjIsActive(vm)) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("Domain is not running"));
- goto cleanup;
+ goto endjob;
}
if (priv->initpid == 0) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("Init process ID is not yet known"));
- goto cleanup;
+ goto endjob;
}
if (flags == 0 ||
@@ -3824,12 +3865,12 @@ lxcDomainReboot(virDomainPtr dom,
if ((rc = virProcessRunInMountNamespace(priv->initpid,
lxcDomainInitctlCallback,
&command)) < 0)
- goto cleanup;
+ goto endjob;
if (rc == 0 && flags != 0 &&
((flags & ~VIR_DOMAIN_SHUTDOWN_INITCTL) == 0)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("Container does not provide an initctl pipe"));
- goto cleanup;
+ goto endjob;
}
} else {
rc = 0;
@@ -3843,12 +3884,16 @@ lxcDomainReboot(virDomainPtr dom,
virReportSystemError(errno,
_("Unable to send SIGTERM to init pid %llu"),
(unsigned long long)priv->initpid);
- goto cleanup;
+ goto endjob;
}
}
ret = 0;
+ endjob:
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
if (vm)
virObjectUnlock(vm);
@@ -5669,12 +5714,19 @@ lxcDomainSetMetadata(virDomainPtr dom,
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto cleanup;
+ if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
+ goto cleanup;
+
ret = virDomainObjSetMetadata(vm, type, metadata, key, uri, caps,
driver->xmlopt, cfg->stateDir,
cfg->configDir, flags);
+ if (!virLXCDomainObjEndJob(driver, vm))
+ vm = NULL;
+
cleanup:
- virObjectUnlock(vm);
+ if (vm)
+ virObjectUnlock(vm);
virObjectUnref(caps);
virObjectUnref(cfg);
return ret;
--
2.7.4
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