chiark / gitweb /
log: rearrange log function naming
[elogind.git] / src / core / cgroup.c
index a52de2db691ccdd30bdbebe6c44aed4ae8e7fc51..0951a09964358b7157a046cf7b1d36832b4aa9b3 100644 (file)
@@ -105,17 +105,19 @@ void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix) {
                 "%sBlockIOWeight=%lu\n"
                 "%sStartupBlockIOWeight=%lu\n"
                 "%sMemoryLimit=%" PRIu64 "\n"
-                "%sDevicePolicy=%s\n",
+                "%sDevicePolicy=%s\n"
+                "%sDelegate=%s\n",
                 prefix, yes_no(c->cpu_accounting),
                 prefix, yes_no(c->blockio_accounting),
                 prefix, yes_no(c->memory_accounting),
                 prefix, c->cpu_shares,
                 prefix, c->startup_cpu_shares,
-                prefix, strna(format_timespan(u, sizeof(u), c->cpu_quota_per_sec_usec, 1)),
+                prefix, format_timespan(u, sizeof(u), c->cpu_quota_per_sec_usec, 1),
                 prefix, c->blockio_weight,
                 prefix, c->startup_blockio_weight,
                 prefix, c->memory_limit,
-                prefix, cgroup_device_policy_to_string(c->device_policy));
+                prefix, cgroup_device_policy_to_string(c->device_policy),
+                prefix, yes_no(c->delegate));
 
         LIST_FOREACH(device_allow, a, c->device_allow)
                 fprintf(f,
@@ -200,7 +202,7 @@ static int whitelist_device(const char *path, const char *node, const char *acc)
 
         r = cg_set_attribute("devices", path, "devices.allow", buf);
         if (r < 0)
-                log_warning("Failed to set devices.allow on %s: %s", path, strerror(-r));
+                log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set devices.allow on %s: %s", path, strerror(-r));
 
         return r;
 }
@@ -272,7 +274,7 @@ static int whitelist_major(const char *path, const char *name, char type, const
 
                 r = cg_set_attribute("devices", path, "devices.allow", buf);
                 if (r < 0)
-                        log_warning("Failed to set devices.allow on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set devices.allow on %s: %s", path, strerror(-r));
         }
 
         return 0;
@@ -300,16 +302,16 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 char buf[MAX(DECIMAL_STR_MAX(unsigned long), DECIMAL_STR_MAX(usec_t)) + 1];
 
                 sprintf(buf, "%lu\n",
-                        state == MANAGER_STARTING && c->startup_cpu_shares != (unsigned long) -1 ? c->startup_cpu_shares :
+                        IN_SET(state, MANAGER_STARTING, MANAGER_INITIALIZING) && c->startup_cpu_shares != (unsigned long) -1 ? c->startup_cpu_shares :
                         c->cpu_shares != (unsigned long) -1 ? c->cpu_shares : 1024);
                 r = cg_set_attribute("cpu", path, "cpu.shares", buf);
                 if (r < 0)
-                        log_warning("Failed to set cpu.shares on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.shares on %s: %s", path, strerror(-r));
 
                 sprintf(buf, USEC_FMT "\n", CGROUP_CPU_QUOTA_PERIOD_USEC);
                 r = cg_set_attribute("cpu", path, "cpu.cfs_period_us", buf);
                 if (r < 0)
-                        log_warning("Failed to set cpu.cfs_period_us on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.cfs_period_us on %s: %s", path, strerror(-r));
 
                 if (c->cpu_quota_per_sec_usec != USEC_INFINITY) {
                         sprintf(buf, USEC_FMT "\n", c->cpu_quota_per_sec_usec * CGROUP_CPU_QUOTA_PERIOD_USEC / USEC_PER_SEC);
@@ -317,7 +319,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 } else
                         r = cg_set_attribute("cpu", path, "cpu.cfs_quota_us", "-1");
                 if (r < 0)
-                        log_warning("Failed to set cpu.cfs_quota_us on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.cfs_quota_us on %s: %s", path, strerror(-r));
         }
 
         if (mask & CGROUP_BLKIO) {
@@ -328,11 +330,11 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 CGroupBlockIODeviceBandwidth *b;
 
                 if (!is_root) {
-                        sprintf(buf, "%lu\n", state == MANAGER_STARTING && c->startup_blockio_weight != (unsigned long) -1 ? c->startup_blockio_weight :
+                        sprintf(buf, "%lu\n", IN_SET(state, MANAGER_STARTING, MANAGER_INITIALIZING) && c->startup_blockio_weight != (unsigned long) -1 ? c->startup_blockio_weight :
                                 c->blockio_weight != (unsigned long) -1 ? c->blockio_weight : 1000);
                         r = cg_set_attribute("blkio", path, "blkio.weight", buf);
                         if (r < 0)
-                                log_warning("Failed to set blkio.weight on %s: %s", path, strerror(-r));
+                                log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set blkio.weight on %s: %s", path, strerror(-r));
 
                         /* FIXME: no way to reset this list */
                         LIST_FOREACH(device_weights, w, c->blockio_device_weights) {
@@ -345,7 +347,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                                 sprintf(buf, "%u:%u %lu", major(dev), minor(dev), w->weight);
                                 r = cg_set_attribute("blkio", path, "blkio.weight_device", buf);
                                 if (r < 0)
-                                        log_error("Failed to set blkio.weight_device on %s: %s", path, strerror(-r));
+                                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set blkio.weight_device on %s: %s", path, strerror(-r));
                         }
                 }
 
@@ -363,7 +365,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                         sprintf(buf, "%u:%u %" PRIu64 "\n", major(dev), minor(dev), b->bandwidth);
                         r = cg_set_attribute("blkio", path, a, buf);
                         if (r < 0)
-                                log_error("Failed to set %s on %s: %s", a, path, strerror(-r));
+                                log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set %s on %s: %s", a, path, strerror(-r));
                 }
         }
 
@@ -377,7 +379,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                         r = cg_set_attribute("memory", path, "memory.limit_in_bytes", "-1");
 
                 if (r < 0)
-                        log_error("Failed to set memory.limit_in_bytes on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set memory.limit_in_bytes on %s: %s", path, strerror(-r));
         }
 
         if ((mask & CGROUP_DEVICE) && !is_root) {
@@ -388,7 +390,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 else
                         r = cg_set_attribute("devices", path, "devices.allow", "a");
                 if (r < 0)
-                        log_warning("Failed to reset devices.list on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to reset devices.list on %s: %s", path, strerror(-r));
 
                 if (c->device_policy == CGROUP_CLOSED ||
                     (c->device_policy == CGROUP_AUTO && c->device_allow)) {
@@ -461,7 +463,8 @@ CGroupControllerMask cgroup_context_get_mask(CGroupContext *c) {
             c->memory_limit != (uint64_t) -1)
                 mask |= CGROUP_MEMORY;
 
-        if (c->device_allow || c->device_policy != CGROUP_AUTO)
+        if (c->device_allow ||
+            c->device_policy != CGROUP_AUTO)
                 mask |= CGROUP_DEVICE;
 
         return mask;
@@ -474,6 +477,19 @@ CGroupControllerMask unit_get_cgroup_mask(Unit *u) {
         if (!c)
                 return 0;
 
+        /* If delegation is turned on, then turn on all cgroups,
+         * unless the process we fork into it is known to drop
+         * privileges anyway, and shouldn't get access to the
+         * controllers anyway. */
+
+        if (c->delegate) {
+                ExecContext *e;
+
+                e = unit_get_exec_context(u);
+                if (!e || exec_context_maintains_privileges(e))
+                        return _CGROUP_CONTROLLER_MASK_ALL;
+        }
+
         return cgroup_context_get_mask(c);
 }