Re: [PATCH v2 6/8] src: convert drivers over to use new autostart helper

This eliminates some duplicated code patterns aross drivers. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/bhyve/bhyve_driver.c | 41 ++++++++++++------------------ src/libxl/libxl_driver.c | 36 ++++++++------------------- src/lxc/lxc_driver.c | 13 +++++----- src/lxc/lxc_process.c | 18 ++------------ src/lxc/lxc_process.h | 2 ++ src/qemu/qemu_driver.c | 54 ++++++++++++---------------------------- 6 files changed, 53 insertions(+), 111 deletions(-) diff --git a/src/bhyve/bhyve_driver.c b/src/bhyve/bhyve_driver.c index f6b0417014..4d83a0dd8a 100644 --- a/src/bhyve/bhyve_driver.c +++ b/src/bhyve/bhyve_driver.c @@ -54,6 +54,7 @@ #include "virportallocator.h" #include "conf/domain_capabilities.h" #include "virutil.h" +#include "domain_driver.h" #include "bhyve_conf.h" #include "bhyve_device.h" @@ -70,29 +71,18 @@ VIR_LOG_INIT("bhyve.bhyve_driver"); struct _bhyveConn *bhyve_driver = NULL; -static int +static void bhyveAutostartDomain(virDomainObj *vm, void *opaque G_GNUC_UNUSED) { int ret = 0; - VIR_LOCK_GUARD lock = virObjectLockGuard(vm); - - if (vm->autostart && !virDomainObjIsActive(vm)) { - virResetLastError(); - ret = virBhyveProcessStart(bhyve_driver, NULL, vm, - VIR_DOMAIN_RUNNING_BOOTED, 0); - if (ret < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("Failed to autostart VM '%1$s': %2$s"), - vm->def->name, virGetLastErrorMessage()); - } - } - return ret; -} -static void -bhyveAutostartDomains(struct _bhyveConn *driver) -{ - virDomainObjListForEach(driver->domains, false, bhyveAutostartDomain, NULL); + ret = virBhyveProcessStart(bhyve_driver, NULL, vm, + VIR_DOMAIN_RUNNING_BOOTED, 0); + if (ret < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Failed to autostart VM '%1$s': %2$s"), + vm->def->name, virGetLastErrorMessage()); + } } /** @@ -1168,7 +1158,7 @@ bhyveStateInitialize(bool privileged, virStateInhibitCallback callback G_GNUC_UNUSED, void *opaque G_GNUC_UNUSED) { - bool autostart = true; + virDomainDriverAutoStartConfig autostartCfg; if (root != NULL) { virReportError(VIR_ERR_INVALID_ARG, "%s", @@ -1253,11 +1243,12 @@ bhyveStateInitialize(bool privileged, virBhyveProcessReconnectAll(bhyve_driver); - if (virDriverShouldAutostart(BHYVE_STATE_DIR, &autostart) < 0) - goto cleanup; - - if (autostart) - bhyveAutostartDomains(bhyve_driver); + autostartCfg = (virDomainDriverAutoStartConfig) { + .stateDir = BHYVE_STATE_DIR, + .callback = bhyveAutostartDomain, + .opaque = bhyve_driver, + };

+ virDomainDriverAutoStart(bhyve_driver->domains, &autostartCfg); return VIR_DRV_STATE_INIT_COMPLETE; diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c index a76545c9ff..bd858d8127 100644 --- a/src/libxl/libxl_driver.c +++ b/src/libxl/libxl_driver.c @@ -315,36 +315,22 @@ libxlDomObjFromDomain(virDomainPtr dom) return vm; } -static int +static void libxlAutostartDomain(virDomainObj *vm, void *opaque) { libxlDriverPrivate *driver = opaque; - int ret = -1; - - virObjectRef(vm); - virObjectLock(vm); - virResetLastError(); if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY) < 0) - goto cleanup; + return; - if (vm->autostart && !virDomainObjIsActive(vm) && - libxlDomainStartNew(driver, vm, false) < 0) { + if (libxlDomainStartNew(driver, vm, false) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Failed to autostart VM '%1$s': %2$s"), vm->def->name, virGetLastErrorMessage()); - goto endjob; } - ret = 0; - - endjob: virDomainObjEndJob(vm); - cleanup: - virDomainObjEndAPI(&vm); - - return ret; } @@ -654,7 +640,7 @@ libxlStateInitialize(bool privileged, { libxlDriverConfig *cfg; g_autofree char *driverConf = NULL; - bool autostart = true; + virDomainDriverAutoStartConfig autostartCfg; if (root != NULL) { virReportError(VIR_ERR_INVALID_ARG, "%s", @@ -807,14 +793,12 @@ libxlStateInitialize(bool privileged, NULL, NULL) < 0) goto error; - if (virDriverShouldAutostart(cfg->stateDir, &autostart) < 0) - goto error; - - if (autostart) { - virDomainObjListForEach(libxl_driver->domains, false, - libxlAutostartDomain, - libxl_driver); - } + autostartCfg = (virDomainDriverAutoStartConfig) { + .stateDir = cfg->stateDir, + .callback = libxlAutostartDomain, + .opaque = libxl_driver, + }; + virDomainDriverAutoStart(libxl_driver->domains, &autostartCfg); virDomainObjListForEach(libxl_driver->domains, false, libxlDomainManagedSaveLoad, diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c index 4740aeed52..e63732dbea 100644 --- a/src/lxc/lxc_driver.c +++ b/src/lxc/lxc_driver.c @@ -1402,8 +1402,8 @@ lxcStateInitialize(bool privileged, void *opaque) { virLXCDriverConfig *cfg = NULL; - bool autostart = true; const char *defsecmodel; + virDomainDriverAutoStartConfig autostartCfg; if (root != NULL) { virReportError(VIR_ERR_INVALID_ARG, "%s", @@ -1499,11 +1499,12 @@ lxcStateInitialize(bool privileged, NULL, NULL) < 0) goto cleanup; - if (virDriverShouldAutostart(cfg->stateDir, &autostart) < 0) - goto cleanup; - - if (autostart) - virLXCProcessAutostartAll(lxc_driver); + autostartCfg = (virDomainDriverAutoStartConfig) { + .stateDir = cfg->stateDir, + .callback = virLXCProcessAutostartDomain, + .opaque = NULL, + }; + virDomainDriverAutoStart(lxc_driver->domains, &autostartCfg); return VIR_DRV_STATE_INIT_COMPLETE; diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c index d785244dde..1bca9e8dae 100644 --- a/src/lxc/lxc_process.c +++ b/src/lxc/lxc_process.c @@ -1562,19 +1562,14 @@ int virLXCProcessStart(virLXCDriver * driver, } -static int +void virLXCProcessAutostartDomain(virDomainObj *vm, void *opaque G_GNUC_UNUSED) { - VIR_LOCK_GUARD lock = virObjectLockGuard(vm); virLXCDomainObjPrivate *priv = vm->privateData; virObjectEvent *event; int rc = 0; - if (!vm->autostart || - virDomainObjIsActive(vm)) - return 0; - rc = virLXCProcessStart(priv->driver, vm, 0, NULL, NULL, VIR_DOMAIN_RUNNING_BOOTED); virDomainAuditStart(vm, "booted", rc >= 0); @@ -1582,22 +1577,13 @@ virLXCProcessAutostartDomain(virDomainObj *vm, VIR_ERROR(_("Failed to autostart VM '%1$s': %2$s"), vm->def->name, virGetLastErrorMessage()); - return -1; + return; } event = virDomainEventLifecycleNewFromObj(vm, VIR_DOMAIN_EVENT_STARTED, VIR_DOMAIN_EVENT_STARTED_BOOTED); virObjectEventStateQueue(priv->driver->domainEventState, event); - - return 0; -} - - -void -virLXCProcessAutostartAll(virLXCDriver *driver) -{ - virDomainObjListForEach(driver->domains, false, virLXCProcessAutostartDomain, NULL); } diff --git a/src/lxc/lxc_process.h b/src/lxc/lxc_process.h index 95eacdd1e5..fc464690f8 100644 --- a/src/lxc/lxc_process.h +++ b/src/lxc/lxc_process.h @@ -34,6 +34,8 @@ int virLXCProcessStop(virLXCDriver *driver, unsigned int cleanupFlags); void virLXCProcessAutostartAll(virLXCDriver *driver); +void virLXCProcessAutostartDomain(virDomainObj *vm, + void *opaque); int virLXCProcessReconnectAll(virLXCDriver *driver, virDomainObjList *doms); diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 78bfaa5b3a..0a4e423e70 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -167,52 +167,29 @@ qemuDomObjFromSnapshot(virDomainSnapshotPtr snapshot) -static int +static void qemuAutostartDomain(virDomainObj *vm, void *opaque) { virQEMUDriver *driver = opaque; int flags = 0; g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver); - int ret = -1; if (cfg->autoStartBypassCache) flags |= VIR_DOMAIN_START_BYPASS_CACHE; - virObjectLock(vm); - virObjectRef(vm); - virResetLastError(); - if (vm->autostart && - !virDomainObjIsActive(vm)) { - if (qemuProcessBeginJob(vm, VIR_DOMAIN_JOB_OPERATION_START, - flags) < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("Failed to start job on VM '%1$s': %2$s"), - vm->def->name, virGetLastErrorMessage()); - goto cleanup; - } + if (qemuProcessBeginJob(vm, VIR_DOMAIN_JOB_OPERATION_START, + flags) < 0) + return; - if (qemuDomainObjStart(NULL, driver, vm, flags, - VIR_ASYNC_JOB_START) < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("Failed to autostart VM '%1$s': %2$s"), + if (qemuDomainObjStart(NULL, driver, vm, flags, + VIR_ASYNC_JOB_START) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Failed to autostart VM '%1$s': %2$s"), vm->def->name, virGetLastErrorMessage()); - } - - qemuProcessEndJob(vm); } - ret = 0; - cleanup: - virDomainObjEndAPI(&vm); - return ret; -} - - -static void -qemuAutostartDomains(virQEMUDriver *driver) -{ - virDomainObjListForEach(driver->domains, false, qemuAutostartDomain, driver); + qemuProcessEndJob(vm); } @@ -557,10 +534,10 @@ qemuStateInitialize(bool privileged, virQEMUDriverConfig *cfg; uid_t run_uid = -1; gid_t run_gid = -1; - bool autostart = true; size_t i; const char *defsecmodel = NULL; g_autoptr(virIdentity) identity = virIdentityGetCurrent(); + virDomainDriverAutoStartConfig autostartCfg; qemu_driver = g_new0(virQEMUDriver, 1); @@ -906,11 +883,12 @@ qemuStateInitialize(bool privileged, qemuProcessReconnectAll(qemu_driver); - if (virDriverShouldAutostart(cfg->stateDir, &autostart) < 0) - goto error; - - if (autostart) - qemuAutostartDomains(qemu_driver); + autostartCfg = (virDomainDriverAutoStartConfig) { + .stateDir = cfg->stateDir, + .callback = qemuAutostartDomain, + .opaque = qemu_driver, + }; + virDomainDriverAutoStart(qemu_driver->domains, &autostartCfg); return VIR_DRV_STATE_INIT_COMPLETE; -- 2.47.1