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virLXCProcessStart: Pass in virConnect object only when registering autodestroy

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The function doesn't really need the connect object for anything besides
registering the autodestroy callback for it. If we merge it certain
callers can be simplified.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
This commit is contained in:
Peter Krempa 2022-06-28 16:30:34 +02:00
parent e44a5f43cb
commit ed0507b58a
3 changed files with 21 additions and 30 deletions
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15
src/lxc/lxc_driver.c
View File

@ -964,9 +964,13 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
virObjectEvent *event = NULL;
int ret = -1;
g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
virConnect *autoDestroyConn = NULL;
virCheckFlags(VIR_DOMAIN_START_AUTODESTROY, -1);
if (flags & VIR_DOMAIN_START_AUTODESTROY)
autoDestroyConn = dom->conn;
if (!(vm = lxcDomObjFromDomain(dom)))
goto cleanup;
@ -988,9 +992,7 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
goto endjob;
}
ret = virLXCProcessStart(dom->conn, driver, vm,
nfiles, files,
(flags & VIR_DOMAIN_START_AUTODESTROY),
ret = virLXCProcessStart(driver, vm, nfiles, files, autoDestroyConn,
VIR_DOMAIN_RUNNING_BOOTED);
if (ret == 0) {
@ -1065,10 +1067,13 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
g_autoptr(virCaps) caps = NULL;
unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
virConnect *autoDestroyConn = NULL;
virCheckFlags(VIR_DOMAIN_START_AUTODESTROY |
VIR_DOMAIN_START_VALIDATE, NULL);
if (flags & VIR_DOMAIN_START_AUTODESTROY)
autoDestroyConn = conn;
if (flags & VIR_DOMAIN_START_VALIDATE)
parse_flags |= VIR_DOMAIN_DEF_PARSE_VALIDATE_SCHEMA;
@ -1106,9 +1111,7 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
goto cleanup;
}
if (virLXCProcessStart(conn, driver, vm,
nfiles, files,
(flags & VIR_DOMAIN_START_AUTODESTROY),
if (virLXCProcessStart(driver, vm, nfiles, files, autoDestroyConn,
VIR_DOMAIN_RUNNING_BOOTED) < 0) {
virDomainAuditStart(vm, "booted", false);
virLXCDomainObjEndJob(driver, vm);

31
src/lxc/lxc_process.c
View File

@ -87,21 +87,15 @@ static int
virLXCProcessReboot(virLXCDriver *driver,
virDomainObj *vm)
{
virConnectPtr conn = virCloseCallbacksGetConn(driver->closeCallbacks, vm);
g_autoptr(virConnect) autoDestroyConn = virCloseCallbacksGetConn(driver->closeCallbacks, vm);
int reason = vm->state.reason;
bool autodestroy = false;
int ret = -1;
virDomainDef *savedDef;
VIR_DEBUG("Faking reboot");
if (conn) {
virObjectRef(conn);
autodestroy = true;
} else {
conn = virConnectOpen("lxc:///system");
/* Ignoring NULL conn which is mostly harmless here */
}
if (autoDestroyConn)
virObjectRef(autoDestroyConn);
/* In a reboot scenario, we need to make sure we continue
* to use the current 'def', and not switch to 'newDef'.
@ -110,8 +104,7 @@ virLXCProcessReboot(virLXCDriver *driver,
savedDef = g_steal_pointer(&vm->newDef);
virLXCProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_SHUTDOWN, 0);
vm->newDef = savedDef;
if (virLXCProcessStart(conn, driver, vm,
0, NULL, autodestroy, reason) < 0) {
if (virLXCProcessStart(driver, vm, 0, NULL, autoDestroyConn, reason) < 0) {
VIR_WARN("Unable to handle reboot of vm %s",
vm->def->name);
goto cleanup;
@ -120,7 +113,6 @@ virLXCProcessReboot(virLXCDriver *driver,
ret = 0;
cleanup:
virObjectUnref(conn);
return ret;
}
@ -1146,21 +1138,19 @@ virLXCProcessEnsureRootFS(virDomainObj *vm)
/**
* virLXCProcessStart:
* @conn: pointer to connection
* @driver: pointer to driver structure
* @vm: pointer to virtual machine structure
* @autoDestroy: mark the domain for auto destruction
* @autoDestroyConn: mark the domain for auto destruction for the passed connection object
* @reason: reason for switching vm to running state
*
* Starts a vm
*
* Returns 0 on success or -1 in case of error
*/
int virLXCProcessStart(virConnectPtr conn,
virLXCDriver * driver,
int virLXCProcessStart(virLXCDriver * driver,
virDomainObj *vm,
unsigned int nfiles, int *files,
bool autoDestroy,
virConnectPtr autoDestroyConn,
virDomainRunningReason reason)
{
int rc = -1, r;
@ -1505,9 +1495,9 @@ int virLXCProcessStart(virConnectPtr conn,
goto cleanup;
}
if (autoDestroy &&
if (autoDestroyConn &&
virCloseCallbacksSet(driver->closeCallbacks, vm,
conn, lxcProcessAutoDestroy) < 0)
autoDestroyConn, lxcProcessAutoDestroy) < 0)
goto cleanup;
/* We don't need the temporary NIC names anymore, clear them */
@ -1568,8 +1558,7 @@ virLXCProcessAutostartDomain(virDomainObj *vm,
virObjectLock(vm);
if (vm->autostart &&
!virDomainObjIsActive(vm)) {
ret = virLXCProcessStart(data->conn, data->driver, vm,
0, NULL, false,
ret = virLXCProcessStart(data->driver, vm, 0, NULL, NULL,
VIR_DOMAIN_RUNNING_BOOTED);
virDomainAuditStart(vm, "booted", ret >= 0);
if (ret < 0) {

5
src/lxc/lxc_process.h
View File

@ -23,11 +23,10 @@
#include "lxc_conf.h"
int virLXCProcessStart(virConnectPtr conn,
virLXCDriver * driver,
int virLXCProcessStart(virLXCDriver * driver,
virDomainObj *vm,
unsigned int nfiles, int *files,
bool autoDestroy,
virConnectPtr autoDestroyConn,
virDomainRunningReason reason);
int virLXCProcessStop(virLXCDriver *driver,
virDomainObj *vm,