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Merge pull request #612 from brauner/lxc_rename

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Add option to rename container to lxc-clone
This commit is contained in:
Stéphane Graber 2015-08-04 08:23:43 -04:00
commit 2cfae58575
1 changed files with 32 additions and 15 deletions
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35
src/lxc/lxc_clone.c
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@ -88,6 +88,7 @@ static void usage(const char *me)
printf(" -M: Keep macaddr - do not choose a random new mac address\n");
printf(" -p: use container orig from custom lxcpath\n");
printf(" -P: create container new in custom lxcpath\n");
printf(" -R: rename existing container\n");
exit(1);
}
@ -98,6 +99,7 @@ static struct option options[] = {
{ "orig", required_argument, 0, 'o'},
{ "new", required_argument, 0, 'n'},
{ "vgname", required_argument, 0, 'v'},
{ "rename", no_argument, 0, 'R'},
{ "keepname", no_argument, 0, 'K'},
{ "keepmac", no_argument, 0, 'M'},
{ "lxcpath", required_argument, 0, 'p'},
@ -110,19 +112,20 @@ static struct option options[] = {
int main(int argc, char *argv[])
{
struct lxc_container *c1 = NULL, *c2 = NULL;
int snapshot = 0, keepname = 0, keepmac = 0;
int snapshot = 0, keepname = 0, keepmac = 0, rename = 0;
int flags = 0, option_index;
uint64_t newsize = 0;
char *bdevtype = NULL, *lxcpath = NULL, *newpath = NULL, *fstype = NULL;
char *orig = NULL, *new = NULL, *vgname = NULL;
char **args = NULL;
int c;
bool ret;
if (argc < 3)
usage(argv[0]);
while (1) {
c = getopt_long(argc, argv, "sB:L:o:n:v:KMHp:P:t:h", options, &option_index);
c = getopt_long(argc, argv, "sB:L:o:n:v:KMHp:P:Rt:h", options, &option_index);
if (c == -1)
break;
switch (c) {
@ -136,6 +139,7 @@ int main(int argc, char *argv[])
case 'M': keepmac = 1; break;
case 'p': lxcpath = optarg; break;
case 'P': newpath = optarg; break;
case 'R': rename = 1; break;
case 't': fstype = optarg; break;
case 'h': usage(argv[0]);
default: break;
@ -171,28 +175,41 @@ int main(int argc, char *argv[])
c1 = lxc_container_new(orig, lxcpath);
if (!c1)
exit(1);
exit(EXIT_FAILURE);
if (!c1->may_control(c1)) {
fprintf(stderr, "Insufficent privileges to control %s\n", orig);
lxc_container_put(c1);
return 1;
exit(EXIT_FAILURE);
}
if (!c1->is_defined(c1)) {
fprintf(stderr, "Error: container %s is not defined\n", orig);
lxc_container_put(c1);
exit(1);
exit(EXIT_FAILURE);
}
c2 = c1->clone(c1, new, newpath, flags, bdevtype, NULL, newsize, args);
if (rename) {
ret = c1->rename(c1, new);
if (!ret) {
fprintf(stderr,
"Error: Renaming container %s to %s failed\n",
c1->name, new);
lxc_container_put(c1);
exit(EXIT_FAILURE);
}
} else {
c2 = c1->clone(c1, new, newpath, flags, bdevtype, NULL, newsize,
args);
if (c2 == NULL) {
lxc_container_put(c1);
fprintf(stderr, "clone failed\n");
exit(1);
exit(EXIT_FAILURE);
}
printf("Created container %s as %s of %s\n", new,
snapshot ? "snapshot" : "copy", orig);
lxc_container_put(c1);
lxc_container_put(c2);
return(0);
}
lxc_container_put(c1);
exit(EXIT_SUCCESS);
}