#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <ctype.h>
#include "daemon.h"
+#include "c-ctype.h"
#include "actions.h"
+#include "optgroups.h"
+
+int
+optgroup_lvm2_available (void)
+{
+ return prog_exists ("lvm");
+}
/* LVM actions. Keep an eye on liblvm, although at the time
* of writing it hasn't progressed very far.
pend++;
}
- while (*p && isspace (*p)) /* Skip any leading whitespace. */
+ while (*p && c_isspace (*p)) /* Skip any leading whitespace. */
p++;
/* Sigh, skip trailing whitespace too. "pvs", I'm looking at you. */
len = strlen (p)-1;
- while (*p && isspace (p[len]))
+ while (*p && c_isspace (p[len]))
p[len--] = '\0';
if (!*p) { /* Empty line? Skip it. */
int r;
r = command (&out, &err,
- "/sbin/lvm", "pvs", "-o", "pv_name", "--noheadings", NULL);
+ "lvm", "pvs", "-o", "pv_name", "--noheadings", NULL);
if (r == -1) {
reply_with_error ("%s", err);
free (out);
int r;
r = command (&out, &err,
- "/sbin/lvm", "vgs", "-o", "vg_name", "--noheadings", NULL);
+ "lvm", "vgs", "-o", "vg_name", "--noheadings", NULL);
if (r == -1) {
reply_with_error ("%s", err);
free (out);
int r;
r = command (&out, &err,
- "/sbin/lvm", "lvs",
+ "lvm", "lvs",
"-o", "vg_name,lv_name", "--noheadings",
"--separator", "/", NULL);
if (r == -1) {
int r;
r = command (NULL, &err,
- "/sbin/lvm", "pvcreate", device, NULL);
+ "lvm", "pvcreate", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
reply_with_perror ("malloc");
return -1;
}
- argv[0] = "/sbin/lvm";
+ argv[0] = "lvm";
argv[1] = "vgcreate";
argv[2] = volgroup;
for (i = 3; i <= argc; ++i)
argv[i] = physvols[i-3];
- r = commandv (NULL, &err, (char **) argv);
+ r = commandv (NULL, &err, (const char * const*) argv);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
snprintf (size, sizeof size, "%d", mbytes);
r = command (NULL, &err,
- "/sbin/lvm", "lvcreate",
+ "lvm", "lvcreate",
"-L", size, "-n", logvol, volgroup, NULL);
if (r == -1) {
reply_with_error ("%s", err);
snprintf (size, sizeof size, "%d", mbytes);
r = command (NULL, &err,
- "/sbin/lvm", "lvresize",
- "-L", size, logvol, NULL);
+ "lvm", "lvresize",
+ "--force", "-L", size, logvol, NULL);
if (r == -1) {
- reply_with_error ("lvresize: %s", err);
+ reply_with_error ("%s", err);
free (err);
return -1;
}
return -1;
for (i = 0; xs[i] != NULL; ++i) {
- r = command (NULL, &err, "/sbin/lvm", "lvremove", "-f", xs[i], NULL);
+ r = command (NULL, &err, "lvm", "lvremove", "-f", xs[i], NULL);
if (r == -1) {
reply_with_error ("lvremove: %s: %s", xs[i], err);
free (err);
return -1;
for (i = 0; xs[i] != NULL; ++i) {
- r = command (NULL, &err, "/sbin/lvm", "vgremove", "-f", xs[i], NULL);
+ r = command (NULL, &err, "lvm", "vgremove", "-f", xs[i], NULL);
if (r == -1) {
reply_with_error ("vgremove: %s: %s", xs[i], err);
free (err);
return -1;
for (i = 0; xs[i] != NULL; ++i) {
- r = command (NULL, &err, "/sbin/lvm", "pvremove", "-f", xs[i], NULL);
+ r = command (NULL, &err, "lvm", "pvremove", "-f", xs[i], NULL);
if (r == -1) {
reply_with_error ("pvremove: %s: %s", xs[i], err);
free (err);
int r;
r = command (NULL, &err,
- "/sbin/lvm", "lvremove", "-f", device, NULL);
+ "lvm", "lvremove", "-f", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
int r;
r = command (NULL, &err,
- "/sbin/lvm", "vgremove", "-f", device, NULL);
+ "lvm", "vgremove", "-f", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
int r;
r = command (NULL, &err,
- "/sbin/lvm", "pvremove", "-ff", device, NULL);
+ "lvm", "pvremove", "-ff", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
int r;
r = command (NULL, &err,
- "/sbin/lvm", "pvresize", device, NULL);
+ "lvm", "pvresize", device, NULL);
if (r == -1) {
- reply_with_error ("pvresize: %s: %s", device, err);
+ reply_with_error ("%s: %s", device, err);
free (err);
return -1;
}
return -1;
}
- argv[0] = "/sbin/lvm";
+ argv[0] = "lvm";
argv[1] = "vgchange";
argv[2] = "-a";
argv[3] = activate ? "y" : "n";
for (i = 4; i <= argc; ++i)
argv[i] = volgroups[i-4];
- r = commandv (NULL, &err, (char **) argv);
+ r = commandv (NULL, &err, (const char * const*) argv);
if (r == -1) {
reply_with_error ("vgchange: %s", err);
free (err);
char *empty[] = { NULL };
return do_vg_activate (activate, empty);
}
+
+int
+do_lvrename (const char *logvol, const char *newlogvol)
+{
+ char *err;
+ int r;
+
+ r = command (NULL, &err,
+ "lvm", "lvrename",
+ logvol, newlogvol, NULL);
+ if (r == -1) {
+ reply_with_error ("%s -> %s: %s", logvol, newlogvol, err);
+ free (err);
+ return -1;
+ }
+
+ free (err);
+
+ udev_settle ();
+
+ return 0;
+}
+
+int
+do_vgrename (const char *volgroup, const char *newvolgroup)
+{
+ char *err;
+ int r;
+
+ r = command (NULL, &err,
+ "lvm", "vgrename",
+ volgroup, newvolgroup, NULL);
+ if (r == -1) {
+ reply_with_error ("%s -> %s: %s", volgroup, newvolgroup, err);
+ free (err);
+ return -1;
+ }
+
+ free (err);
+
+ udev_settle ();
+
+ return 0;
+}
+
+static char *
+get_lvm_field (const char *cmd, const char *field, const char *device)
+{
+ char *out;
+ char *err;
+ int r = command (&out, &err,
+ "lvm", cmd,
+ "--unbuffered", "--noheadings", "-o", field,
+ device, NULL);
+ if (r == -1) {
+ reply_with_error ("%s: %s", device, err);
+ free (out);
+ free (err);
+ return NULL;
+ }
+
+ free (err);
+
+ trim (out);
+ return out; /* Caller frees. */
+}
+
+char *
+do_pvuuid (const char *device)
+{
+ return get_lvm_field ("pvs", "pv_uuid", device);
+}
+
+char *
+do_vguuid (const char *vgname)
+{
+ return get_lvm_field ("vgs", "vg_uuid", vgname);
+}
+
+char *
+do_lvuuid (const char *device)
+{
+ return get_lvm_field ("lvs", "lv_uuid", device);
+}
+
+static char **
+get_lvm_fields (const char *cmd, const char *field, const char *device)
+{
+ char *out;
+ char *err;
+ int r = command (&out, &err,
+ "lvm", cmd,
+ "--unbuffered", "--noheadings", "-o", field,
+ device, NULL);
+ if (r == -1) {
+ reply_with_error ("%s: %s", device, err);
+ free (out);
+ free (err);
+ return NULL;
+ }
+
+ free (err);
+
+ char **ret = split_lines (out);
+ free (out);
+
+ if (ret == NULL)
+ return NULL;
+
+ size_t i;
+ for (i = 0; ret[i] != NULL; ++i)
+ trim (ret[i]);
+
+ return ret;
+}
+
+char **
+do_vgpvuuids (const char *vgname)
+{
+ return get_lvm_fields ("vgs", "pv_uuid", vgname);
+}
+
+char **
+do_vglvuuids (const char *vgname)
+{
+ return get_lvm_fields ("vgs", "lv_uuid", vgname);
+}