X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Ftransaction.c;h=4a8d90e6e569692c14f5890eae89ad69033a0cc3;hp=44fdc06580a9823a6674b2d95267f38a1a6c0c1b;hb=7f602784de4fd378120e8ebfe6d830862b9cae03;hpb=e0209d83e7b30153f43b1a633c955f66eb2c2e4a diff --git a/src/core/transaction.c b/src/core/transaction.c index 44fdc0658..4a8d90e6e 100644 --- a/src/core/transaction.c +++ b/src/core/transaction.c @@ -97,6 +97,7 @@ static void transaction_merge_and_delete_job(Transaction *tr, Job *j, Job *other 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; @@ -186,8 +187,14 @@ static int delete_one_unmergeable_job(Transaction *tr, Job *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) { @@ -213,7 +220,9 @@ static int delete_one_unmergeable_job(Transaction *tr, Job *j) { 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; } @@ -352,12 +361,17 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi * 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)) { @@ -374,14 +388,24 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi 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; } @@ -392,7 +416,7 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi j->marker = from ? from : j; j->generation = generation; - /* We assume that the the dependencies are bidirectional, and + /* We assume that the dependencies are bidirectional, and * hence can ignore UNIT_AFTER */ SET_FOREACH(u, j->unit->dependencies[UNIT_BEFORE], i) { Job *o; @@ -465,7 +489,7 @@ rescan: } } -static int transaction_is_destructive(Transaction *tr, DBusError *e) { +static int transaction_is_destructive(Transaction *tr, JobMode mode, DBusError *e) { Iterator i; Job *j; @@ -480,7 +504,7 @@ static int transaction_is_destructive(Transaction *tr, DBusError *e) { 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."); @@ -524,13 +548,19 @@ rescan: 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; @@ -591,6 +621,7 @@ static int transaction_apply(Transaction *tr, Manager *m, JobMode mode) { job_add_to_run_queue(j); job_add_to_dbus_queue(j); job_start_timer(j); + job_shutdown_magic(j); } return 0; @@ -679,12 +710,10 @@ int transaction_activate(Transaction *tr, Manager *m, JobMode mode, DBusError *e 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 */ @@ -740,6 +769,7 @@ static Job* transaction_add_one_job(Transaction *tr, JobType type, Unit *unit, b j->marker = NULL; j->matters_to_anchor = false; j->override = override; + j->irreversible = tr->irreversible; LIST_PREPEND(Job, transaction, f, j); @@ -782,9 +812,10 @@ static void transaction_unlink_job(Transaction *tr, Job *j, bool delete_dependen 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); } } @@ -870,7 +901,9 @@ int transaction_add_job_and_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); @@ -893,7 +926,7 @@ int transaction_add_job_and_dependencies( } } - SET_FOREACH(dep, ret->unit->dependencies[UNIT_BIND_TO], i) { + SET_FOREACH(dep, ret->unit->dependencies[UNIT_BINDS_TO], i) { r = transaction_add_job_and_dependencies(tr, JOB_START, dep, ret, true, override, false, false, ignore_order, e); if (r < 0) { if (r != -EBADR) @@ -907,8 +940,9 @@ int transaction_add_job_and_dependencies( 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); @@ -918,8 +952,9 @@ int transaction_add_job_and_dependencies( 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); @@ -940,8 +975,9 @@ int transaction_add_job_and_dependencies( 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); @@ -962,7 +998,9 @@ int transaction_add_job_and_dependencies( 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); @@ -994,14 +1032,28 @@ int transaction_add_job_and_dependencies( dbus_error_free(e); } } + + SET_FOREACH(dep, ret->unit->dependencies[UNIT_CONSISTS_OF], i) { + r = transaction_add_job_and_dependencies(tr, type, dep, ret, true, override, false, false, ignore_order, e); + if (r < 0) { + if (r != -EBADR) + goto fail; + + if (e) + dbus_error_free(e); + } + } + } if (type == JOB_RELOAD) { - SET_FOREACH(dep, ret->unit->dependencies[UNIT_PROPAGATE_RELOAD_TO], i) { + 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); @@ -1046,13 +1098,15 @@ int transaction_add_isolate_jobs(Transaction *tr, Manager *m) { 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); @@ -1065,6 +1119,8 @@ Transaction *transaction_new(void) { return NULL; } + tr->irreversible = irreversible; + return tr; }