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core: implicitly create a per-template slice for all instantiated units by default

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If no explicit slice is configured for an instantiated unit, create an
implicit one for all instances of the same template.
This commit is contained in:
Lennart Poettering
2013-07-11 03:52:43 +02:00
parent e2ca86cf78
commit a883394464
1 changed files with 34 additions and 1 deletions
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35
src/core/unit.c
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@@ -2030,6 +2030,8 @@ char *unit_default_cgroup_path(Unit *u) {
}
int unit_add_default_slice(Unit *u) {
_cleanup_free_ char *b = NULL;
const char *slice_name;
Unit *slice;
int r;
@@ -2041,7 +2043,38 @@ int unit_add_default_slice(Unit *u) {
if (!unit_get_cgroup_context(u))
return 0;
r = manager_load_unit(u->manager, u->manager->running_as == SYSTEMD_SYSTEM ? SPECIAL_SYSTEM_SLICE : SPECIAL_ROOT_SLICE, NULL, NULL, &slice);
if (u->instance) {
_cleanup_free_ char *prefix = NULL, *escaped = NULL;
;
/* Implicitly place all instantiated units in their
* own per-template slice */
prefix = unit_name_to_prefix(u->id);
if (!prefix)
return -ENOMEM;
/* The prefix is already escaped, but it might include
* "-" which has a special meaning for slice units,
* hence escape it here extra. */
escaped = strreplace(prefix, "-", "\\x2d");
if (!escaped)
return -ENOMEM;
if (u->manager->running_as == SYSTEMD_SYSTEM)
b = strjoin("system-", escaped, ".slice", NULL);
else
b = strappend(escaped, ".slice");
if (!b)
return -ENOMEM;
slice_name = b;
} else
slice_name =
u->manager->running_as == SYSTEMD_SYSTEM
? SPECIAL_SYSTEM_SLICE
: SPECIAL_ROOT_SLICE;
r = manager_load_unit(u->manager, slice_name, NULL, NULL, &slice);
if (r < 0)
return r;