diff options
Diffstat (limited to 'src/guestfs.c')
| -rw-r--r-- | src/guestfs.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/guestfs.c b/src/guestfs.c index db6db910..5750a4f4 100644 --- a/src/guestfs.c +++ b/src/guestfs.c @@ -174,6 +174,7 @@ struct guestfs_h char *path; /* Path to kernel, initrd. */ char *qemu; /* Qemu binary. */ char *append; /* Append to kernel command line. */ + char *kernel; /* Override appliance kernel. */ int memsize; /* Size of RAM (megabytes). */ @@ -249,6 +250,12 @@ guestfs_create (void) if (!g->append) goto error; } + str = getenv ("LIBGUESTFS_KERNEL"); + if (str) { + g->kernel = strdup (str); + if (!g->kernel) goto error; + } + /* Choose a suitable memory size. Previously we tried to choose * a minimal memory size, but this isn't really necessary since * recent QEMU and KVM don't do anything nasty like locking @@ -674,6 +681,22 @@ guestfs_get_append (guestfs_h *g) } int +guestfs_set_kernel (guestfs_h *g, const char *kernel) +{ + free (g->kernel); + g->kernel = NULL; + + g->kernel = kernel ? safe_strdup (g, kernel) : NULL; + return 0; +} + +const char * +guestfs_get_kernel (guestfs_h *g) +{ + return g->kernel; +} + +int guestfs_set_memsize (guestfs_h *g, int memsize) { g->memsize = memsize; @@ -1058,7 +1081,7 @@ guestfs_launch (guestfs_h *g) add_cmdline (g, memsize_str); add_cmdline (g, "-no-reboot"); /* Force exit instead of reboot on panic */ add_cmdline (g, "-kernel"); - add_cmdline (g, (char *) kernel); + add_cmdline (g, g->kernel ? : (char *) kernel); add_cmdline (g, "-initrd"); add_cmdline (g, (char *) initrd); add_cmdline (g, "-append"); |