#include "transaction.h"
#include "bus-errors.h"
+#include "dbus-common.h"
static void transaction_unlink_job(Transaction *tr, Job *j, bool delete_dependencies);
j->type = t;
j->state = JOB_WAITING;
j->override = j->override || other->override;
+ j->irreversible = j->irreversible || other->irreversible;
j->matters_to_anchor = j->matters_to_anchor || other->matters_to_anchor;
transaction_delete_job(tr, other, true);
}
-static bool job_is_conflicted_by(Job *j) {
+_pure_ static bool job_is_conflicted_by(Job *j) {
JobDependency *l;
assert(j);
* another unit in which case we
* rather remove the start. */
- log_debug("Looking at job %s/%s conflicted_by=%s", j->unit->id, job_type_to_string(j->type), yes_no(j->type == JOB_STOP && job_is_conflicted_by(j)));
- log_debug("Looking at job %s/%s conflicted_by=%s", k->unit->id, job_type_to_string(k->type), yes_no(k->type == JOB_STOP && job_is_conflicted_by(k)));
+ log_debug_unit(j->unit->id,
+ "Looking at job %s/%s conflicted_by=%s",
+ j->unit->id, job_type_to_string(j->type),
+ yes_no(j->type == JOB_STOP && job_is_conflicted_by(j)));
+ log_debug_unit(k->unit->id,
+ "Looking at job %s/%s conflicted_by=%s",
+ k->unit->id, job_type_to_string(k->type),
+ yes_no(k->type == JOB_STOP && job_is_conflicted_by(k)));
if (j->type == JOB_STOP) {
return -ENOEXEC;
/* Ok, we can drop one, so let's do so. */
- log_debug("Fixing conflicting jobs by deleting job %s/%s", d->unit->id, job_type_to_string(d->type));
+ log_debug_unit(d->unit->id,
+ "Fixing conflicting jobs by deleting job %s/%s",
+ d->unit->id, job_type_to_string(d->type));
transaction_delete_job(tr, d, true);
return 0;
}
}
}
-static bool unit_matters_to_anchor(Unit *u, Job *j) {
+_pure_ static bool unit_matters_to_anchor(Unit *u, Job *j) {
assert(u);
assert(!j->transaction_prev);
* job to remove. We use the marker to find our way
* back, since smart how we are we stored our way back
* in there. */
- log_warning("Found ordering cycle on %s/%s", j->unit->id, job_type_to_string(j->type));
+ log_warning_unit(j->unit->id,
+ "Found ordering cycle on %s/%s",
+ j->unit->id, job_type_to_string(j->type));
delete = NULL;
for (k = from; k; k = ((k->generation == generation && k->marker != k) ? k->marker : NULL)) {
- log_info("Walked on cycle path to %s/%s", k->unit->id, job_type_to_string(k->type));
+ /* logging for j not k here here to provide consistent narrative */
+ log_info_unit(j->unit->id,
+ "Walked on cycle path to %s/%s",
+ k->unit->id, job_type_to_string(k->type));
if (!delete &&
!unit_matters_to_anchor(k->unit, k)) {
if (delete) {
- log_warning("Breaking ordering cycle by deleting job %s/%s", delete->unit->id, job_type_to_string(delete->type));
+ /* logging for j not k here here to provide consistent narrative */
+ log_warning_unit(j->unit->id,
+ "Breaking ordering cycle by deleting job %s/%s",
+ delete->unit->id, job_type_to_string(delete->type));
+ log_error_unit(delete->unit->id,
+ "Job %s/%s deleted to break ordering cycle starting with %s/%s",
+ delete->unit->id, job_type_to_string(delete->type),
+ j->unit->id, job_type_to_string(j->type));
+ unit_status_printf(delete->unit, ANSI_HIGHLIGHT_RED_ON " SKIP " ANSI_HIGHLIGHT_OFF,
+ "Ordering cycle found, skipping %s");
transaction_delete_unit(tr, delete->unit);
return -EAGAIN;
}
log_error("Unable to break cycle");
- dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See system logs for details.");
+ dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC,
+ "Transaction order is cyclic. See system logs for details.");
return -ENOEXEC;
}
}
}
-static int transaction_is_destructive(Transaction *tr, DBusError *e) {
+static int transaction_is_destructive(Transaction *tr, JobMode mode, DBusError *e) {
Iterator i;
Job *j;
assert(!j->transaction_prev);
assert(!j->transaction_next);
- if (j->unit->job &&
+ if (j->unit->job && (mode == JOB_FAIL || j->unit->job->irreversible) &&
!job_type_is_superset(j->type, j->unit->job->type)) {
dbus_set_error(e, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE, "Transaction is destructive.");
continue;
if (stops_running_service)
- log_debug("%s/%s would stop a running service.", j->unit->id, job_type_to_string(j->type));
+ log_debug_unit(j->unit->id,
+ "%s/%s would stop a running service.",
+ j->unit->id, job_type_to_string(j->type));
if (changes_existing_job)
- log_debug("%s/%s would change existing job.", j->unit->id, job_type_to_string(j->type));
+ log_debug_unit(j->unit->id,
+ "%s/%s would change existing job.",
+ j->unit->id, job_type_to_string(j->type));
/* Ok, let's get rid of this */
- log_debug("Deleting %s/%s to minimize impact.", j->unit->id, job_type_to_string(j->type));
+ log_debug_unit(j->unit->id,
+ "Deleting %s/%s to minimize impact.",
+ j->unit->id, job_type_to_string(j->type));
transaction_delete_job(tr, j, true);
goto rescan;
job_add_to_run_queue(j);
job_add_to_dbus_queue(j);
job_start_timer(j);
+ job_shutdown_magic(j);
}
return 0;
transaction_drop_redundant(tr);
/* Ninth step: check whether we can actually apply this */
- if (mode == JOB_FAIL) {
- r = transaction_is_destructive(tr, e);
- if (r < 0) {
- log_notice("Requested transaction contradicts existing jobs: %s", bus_error(e, r));
- return r;
- }
+ r = transaction_is_destructive(tr, mode, e);
+ if (r < 0) {
+ log_notice("Requested transaction contradicts existing jobs: %s", bus_error(e, r));
+ return r;
}
/* Tenth step: apply changes */
j->marker = NULL;
j->matters_to_anchor = false;
j->override = override;
+ j->irreversible = tr->irreversible;
LIST_PREPEND(Job, transaction, f, j);
job_dependency_free(j->object_list);
if (other && delete_dependencies) {
- log_debug("Deleting job %s/%s as dependency of job %s/%s",
- other->unit->id, job_type_to_string(other->type),
- j->unit->id, job_type_to_string(j->type));
+ log_debug_unit(other->unit->id,
+ "Deleting job %s/%s as dependency of job %s/%s",
+ other->unit->id, job_type_to_string(other->type),
+ j->unit->id, job_type_to_string(j->type));
transaction_delete_job(tr, other, delete_dependencies);
}
}
SET_FOREACH(dep, following, i) {
r = transaction_add_job_and_dependencies(tr, type, dep, ret, false, override, false, false, ignore_order, e);
if (r < 0) {
- log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
+ log_warning_unit(dep->id,
+ "Cannot add dependency job for unit %s, ignoring: %s",
+ dep->id, bus_error(e, r));
if (e)
dbus_error_free(e);
SET_FOREACH(dep, ret->unit->dependencies[UNIT_REQUIRES_OVERRIDABLE], i) {
r = transaction_add_job_and_dependencies(tr, JOB_START, dep, ret, !override, override, false, false, ignore_order, e);
if (r < 0) {
- log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING,
- "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
+ log_full_unit(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, dep->id,
+ "Cannot add dependency job for unit %s, ignoring: %s",
+ dep->id, bus_error(e, r));
if (e)
dbus_error_free(e);
SET_FOREACH(dep, ret->unit->dependencies[UNIT_WANTS], i) {
r = transaction_add_job_and_dependencies(tr, JOB_START, dep, ret, false, false, false, false, ignore_order, e);
if (r < 0) {
- log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING,
- "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
+ log_full_unit(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, dep->id,
+ "Cannot add dependency job for unit %s, ignoring: %s",
+ dep->id, bus_error(e, r));
if (e)
dbus_error_free(e);
SET_FOREACH(dep, ret->unit->dependencies[UNIT_REQUISITE_OVERRIDABLE], i) {
r = transaction_add_job_and_dependencies(tr, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, false, ignore_order, e);
if (r < 0) {
- log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING,
- "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
+ log_full_unit(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, dep->id,
+ "Cannot add dependency job for unit %s, ignoring: %s",
+ dep->id, bus_error(e, r));
if (e)
dbus_error_free(e);
SET_FOREACH(dep, ret->unit->dependencies[UNIT_CONFLICTED_BY], i) {
r = transaction_add_job_and_dependencies(tr, JOB_STOP, dep, ret, false, override, false, false, ignore_order, e);
if (r < 0) {
- log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
+ log_warning_unit(dep->id,
+ "Cannot add dependency job for unit %s, ignoring: %s",
+ dep->id, bus_error(e, r));
if (e)
dbus_error_free(e);
SET_FOREACH(dep, ret->unit->dependencies[UNIT_PROPAGATES_RELOAD_TO], i) {
r = transaction_add_job_and_dependencies(tr, JOB_RELOAD, dep, ret, false, override, false, false, ignore_order, e);
if (r < 0) {
- log_warning("Cannot add dependency reload job for unit %s, ignoring: %s", dep->id, bus_error(e, r));
+ log_warning_unit(dep->id,
+ "Cannot add dependency reload job for unit %s, ignoring: %s",
+ dep->id, bus_error(e, r));
if (e)
dbus_error_free(e);
r = transaction_add_job_and_dependencies(tr, JOB_STOP, u, tr->anchor_job, true, false, false, false, false, NULL);
if (r < 0)
- log_warning("Cannot add isolate job for unit %s, ignoring: %s", u->id, strerror(-r));
+ log_warning_unit(u->id,
+ "Cannot add isolate job for unit %s, ignoring: %s",
+ u->id, strerror(-r));
}
return 0;
}
-Transaction *transaction_new(void) {
+Transaction *transaction_new(bool irreversible) {
Transaction *tr;
tr = new0(Transaction, 1);
return NULL;
}
+ tr->irreversible = irreversible;
+
return tr;
}