X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Ftransaction.c;h=64c2af5a1c37373da92a6d1f877c9354ae328f8d;hp=e2ff0bd1e5986fe0af05d4c9b0eeb06fe9150103;hb=5bd4b173605142c7be493aa4d958ebaef21f421d;hpb=718db96199eb307751264e4163555662c9a389fa diff --git a/src/core/transaction.c b/src/core/transaction.c index e2ff0bd1e..64c2af5a1 100644 --- a/src/core/transaction.c +++ b/src/core/transaction.c @@ -22,8 +22,7 @@ #include #include -#include "bus-errors.h" -#include "bus-util.h" +#include "bus-common-errors.h" #include "bus-error.h" #include "transaction.h" @@ -189,11 +188,11 @@ static int delete_one_unmergeable_job(Transaction *tr, Job *j) { * another unit in which case we * rather remove the start. */ - log_debug_unit(j->unit->id, + log_unit_debug(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, + log_unit_debug(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))); @@ -222,8 +221,10 @@ static int delete_one_unmergeable_job(Transaction *tr, Job *j) { return -ENOEXEC; /* Ok, we can drop one, so let's do so. */ - log_debug_unit(d->unit->id, - "Fixing conflicting jobs by deleting job %s/%s", + log_unit_debug(d->unit->id, + "Fixing conflicting jobs %s/%s,%s/%s by deleting job %s/%s", + j->unit->id, job_type_to_string(j->type), + k->unit->id, job_type_to_string(k->type), d->unit->id, job_type_to_string(d->type)); transaction_delete_job(tr, d, true); return 0; @@ -262,10 +263,12 @@ static int transaction_merge_jobs(Transaction *tr, sd_bus_error *e) { return -EAGAIN; /* We couldn't merge anything. Failure */ - sd_bus_error_setf( - e, BUS_ERROR_TRANSACTION_JOBS_CONFLICTING, "Transaction contains conflicting jobs '%s' and '%s' for %s. Probably contradicting requirement dependencies configured.", - job_type_to_string(t), job_type_to_string(k->type), k->unit->id); - return r; + return sd_bus_error_setf(e, BUS_ERROR_TRANSACTION_JOBS_CONFLICTING, + "Transaction contains conflicting jobs '%s' and '%s' for %s. " + "Probably contradicting requirement dependencies configured.", + job_type_to_string(t), + job_type_to_string(k->type), + k->unit->id); } } @@ -364,7 +367,7 @@ 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_unit(j->unit->id, + log_unit_warning(j->unit->id, "Found ordering cycle on %s/%s", j->unit->id, job_type_to_string(j->type)); @@ -372,11 +375,11 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi for (k = from; k; k = ((k->generation == generation && k->marker != k) ? k->marker : NULL)) { /* logging for j not k here here to provide consistent narrative */ - log_info_unit(j->unit->id, - "Found dependency on %s/%s", - k->unit->id, job_type_to_string(k->type)); + log_unit_warning(j->unit->id, + "Found dependency on %s/%s", + k->unit->id, job_type_to_string(k->type)); - if (!delete && + if (!delete && hashmap_get(tr->jobs, k->unit) && !unit_matters_to_anchor(k->unit, k)) { /* Ok, we can drop this one, so let's * do so. */ @@ -392,10 +395,10 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi if (delete) { /* logging for j not k here here to provide consistent narrative */ - log_warning_unit(j->unit->id, + log_unit_warning(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, + log_unit_error(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)); @@ -407,9 +410,8 @@ static int transaction_verify_order_one(Transaction *tr, Job *j, Job *from, unsi log_error("Unable to break cycle"); - sd_bus_error_setf(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, - "Transaction order is cyclic. See system logs for details."); - return -ENOEXEC; + return sd_bus_error_setf(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, + "Transaction order is cyclic. See system logs for details."); } /* Make the marker point to where we come from, so that we can @@ -508,11 +510,9 @@ static int transaction_is_destructive(Transaction *tr, JobMode mode, sd_bus_erro assert(!j->transaction_next); if (j->unit->job && (mode == JOB_FAIL || j->unit->job->irreversible) && - !job_type_is_superset(j->type, j->unit->job->type)) { - - sd_bus_error_setf(e, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE, "Transaction is destructive."); - return -EEXIST; - } + job_type_is_conflicting(j->unit->job->type, j->type)) + return sd_bus_error_setf(e, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE, + "Transaction is destructive."); } return 0; @@ -551,17 +551,17 @@ rescan: continue; if (stops_running_service) - log_debug_unit(j->unit->id, + log_unit_debug(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_unit(j->unit->id, + log_unit_debug(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_unit(j->unit->id, + log_unit_debug(j->unit->id, "Deleting %s/%s to minimize impact.", j->unit->id, job_type_to_string(j->type)); @@ -578,7 +578,7 @@ static int transaction_apply(Transaction *tr, Manager *m, JobMode mode) { /* Moves the transaction jobs to the set of active jobs */ - if (mode == JOB_ISOLATE) { + if (mode == JOB_ISOLATE || mode == JOB_FLUSH) { /* When isolating first kill all installed jobs which * aren't part of the new transaction */ @@ -721,10 +721,8 @@ int transaction_activate(Transaction *tr, Manager *m, JobMode mode, sd_bus_error /* Tenth step: apply changes */ r = transaction_apply(tr, m, mode); - if (r < 0) { - log_warning("Failed to apply transaction: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_warning_errno(r, "Failed to apply transaction: %m"); assert(hashmap_isempty(tr->jobs)); @@ -818,7 +816,7 @@ static void transaction_unlink_job(Transaction *tr, Job *j, bool delete_dependen job_dependency_free(j->object_list); if (other && delete_dependencies) { - log_debug_unit(other->unit->id, + log_unit_debug(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)); @@ -854,41 +852,39 @@ int transaction_add_job_and_dependencies( /* by ? by->unit->id : "NA", */ /* by ? job_type_to_string(by->type) : "NA"); */ - if (unit->load_state != UNIT_LOADED && - unit->load_state != UNIT_ERROR && - unit->load_state != UNIT_NOT_FOUND && - unit->load_state != UNIT_MASKED) { - sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, "Unit %s is not loaded properly.", unit->id); - return -EINVAL; - } + if (!IN_SET(unit->load_state, UNIT_LOADED, UNIT_ERROR, UNIT_NOT_FOUND, UNIT_MASKED)) + return sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, + "Unit %s is not loaded properly.", unit->id); if (type != JOB_STOP && unit->load_state == UNIT_ERROR) { - sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, - "Unit %s failed to load: %s. " - "See system logs and 'systemctl status %s' for details.", - unit->id, - strerror(-unit->load_error), - unit->id); - return -EINVAL; + if (unit->load_error == -ENOENT || unit->manager->test_run) + return sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, + "Unit %s failed to load: %s.", + unit->id, + strerror(-unit->load_error)); + else + return sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, + "Unit %s failed to load: %s. " + "See system logs and 'systemctl status %s' for details.", + unit->id, + strerror(-unit->load_error), + unit->id); } - if (type != JOB_STOP && unit->load_state == UNIT_NOT_FOUND) { - sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, - "Unit %s failed to load: %s.", - unit->id, - strerror(-unit->load_error)); - return -EINVAL; - } + if (type != JOB_STOP && unit->load_state == UNIT_NOT_FOUND) + return sd_bus_error_setf(e, BUS_ERROR_LOAD_FAILED, + "Unit %s failed to load: %s.", + unit->id, strerror(-unit->load_error)); - if (type != JOB_STOP && unit->load_state == UNIT_MASKED) { - sd_bus_error_setf(e, BUS_ERROR_UNIT_MASKED, "Unit %s is masked.", unit->id); - return -EADDRNOTAVAIL; - } + if (type != JOB_STOP && unit->load_state == UNIT_MASKED) + return sd_bus_error_setf(e, BUS_ERROR_UNIT_MASKED, + "Unit %s is masked.", unit->id); + + if (!unit_job_is_applicable(unit, type)) + return sd_bus_error_setf(e, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE, + "Job type %s is not applicable for unit %s.", + job_type_to_string(type), unit->id); - if (!unit_job_is_applicable(unit, type)) { - sd_bus_error_setf(e, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE, "Job type %s is not applicable for unit %s.", job_type_to_string(type), unit->id); - return -EBADR; - } /* First add the job. */ ret = transaction_add_one_job(tr, type, unit, override, &is_new); @@ -916,7 +912,7 @@ 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_unit(dep->id, + log_unit_warning(dep->id, "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error_message(e, r)); @@ -955,7 +951,8 @@ 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_unit(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, dep->id, + log_unit_full(dep->id, + r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error_message(e, r)); @@ -967,7 +964,8 @@ 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_unit(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, dep->id, + log_unit_full(dep->id, + r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error_message(e, r)); @@ -990,7 +988,8 @@ 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_unit(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, dep->id, + log_unit_full(dep->id, + r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_WARNING, "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error_message(e, r)); @@ -1013,7 +1012,7 @@ 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_unit(dep->id, + log_unit_warning(dep->id, "Cannot add dependency job for unit %s, ignoring: %s", dep->id, bus_error_message(e, r)); @@ -1066,7 +1065,7 @@ int transaction_add_job_and_dependencies( 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_unit(dep->id, + log_unit_warning(dep->id, "Cannot add dependency reload job for unit %s, ignoring: %s", dep->id, bus_error_message(e, r)); @@ -1113,7 +1112,7 @@ 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_unit(u->id, + log_unit_warning(u->id, "Cannot add isolate job for unit %s, ignoring: %s", u->id, strerror(-r)); } @@ -1128,7 +1127,7 @@ Transaction *transaction_new(bool irreversible) { if (!tr) return NULL; - tr->jobs = hashmap_new(trivial_hash_func, trivial_compare_func); + tr->jobs = hashmap_new(NULL); if (!tr->jobs) { free(tr); return NULL;