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condition: optionally test against type of virtualization (vm vs. container)

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This commit is contained in:
Lennart Poettering 2011-09-23 17:09:49 +02:00
parent b52aae1d93
commit 8095200d05
2 changed files with 26 additions and 9 deletions
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12
man/systemd.unit.xml
View File

@ -707,8 +707,8 @@
is similar to
<varname>ConditionPathExists=</varname>
but verifies whether a certain path
exists and is a
symbolic link. <varname>ConditionPathIsMountPoint=</varname>
exists and is a symbolic
link. <varname>ConditionPathIsMountPoint=</varname>
is similar to
<varname>ConditionPathExists=</varname>
but verifies whether a certain path
@ -746,13 +746,19 @@
whether it is a specific
implementation. Takes either boolean
value to check if being executed in
any virtual environment or one of
any virtualized environment, or one of
<varname>vm</varname> and
<varname>container</varname> to test against
a specific type of virtualization
solution, or one of
<varname>qemu</varname>,
<varname>kvm</varname>,
<varname>vmware</varname>,
<varname>microsoft</varname>,
<varname>oracle</varname>,
<varname>xen</varname>,
<varname>bochs</varname>,
<varname>chroot</varname>,
<varname>openvz</varname>,
<varname>lxc</varname>,
<varname>systemd-nspawn</varname>,

23
src/condition.c
View File

@ -30,6 +30,7 @@
#include "util.h"
#include "condition.h"
#include "virt.h"
Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
Condition *c;
@ -118,25 +119,35 @@ static bool test_kernel_command_line(const char *parameter) {
}
static bool test_virtualization(const char *parameter) {
int r, b;
int b;
Virtualization v;
const char *id;
assert(parameter);
r = detect_virtualization(&id);
if (r < 0) {
log_warning("Failed to detect virtualization, ignoring: %s", strerror(-r));
v = detect_virtualization(&id);
if (v < 0) {
log_warning("Failed to detect virtualization, ignoring: %s", strerror(-v));
return false;
}
/* First, compare with yes/no */
b = parse_boolean(parameter);
if (r > 0 && b > 0)
if (v > 0 && b > 0)
return true;
if (r == 0 && b == 0)
if (v == 0 && b == 0)
return true;
/* Then, compare categorization */
if (v == VIRTUALIZATION_VM && streq(parameter, "vm"))
return true;
if (v == VIRTUALIZATION_CONTAINER && streq(parameter, "container"))
return true;
/* Finally compare id */
return streq(parameter, id);
}