106 lines
3.5 KiB
Diff
106 lines
3.5 KiB
Diff
From: Frederic Crozat <fcrozat@suse.com>
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Date: Mon, 7 Nov 2011 18:04:20 +0100
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Subject: force lvm restart after cryptsetup target is reached
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---
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src/cryptsetup/cryptsetup-generator.c | 58 ++++++++++++++++++++++++++++++++++-
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1 file changed, 57 insertions(+), 1 deletion(-)
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diff --git a/src/cryptsetup/cryptsetup-generator.c b/src/cryptsetup/cryptsetup-generator.c
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index 8959bf5..d386b60 100644
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--- a/src/cryptsetup/cryptsetup-generator.c
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+++ b/src/cryptsetup/cryptsetup-generator.c
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@@ -22,6 +22,7 @@
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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+#include <stdlib.h>
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#include "log.h"
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#include "util.h"
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@@ -64,6 +65,55 @@ static bool has_option(const char *haystack, const char *needle) {
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return false;
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}
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+static int create_storage_after_cryptsetup (void) {
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+ int r;
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+ char _cleanup_free_ *to = NULL, *p = NULL;
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+ FILE _cleanup_fclose_ *f = NULL;
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+
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+ if (asprintf(&p, "%s/storage-after-cryptsetup.service", arg_dest) < 0)
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+ return log_oom();
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+
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+ if (!(f = fopen(p, "wxe"))) {
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+ log_error("Failed to create unit file: %m");
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+ return -errno;
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+ }
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+
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+ fprintf(f,
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+ "[Unit]\n"
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+ "Description=Restart storage after cryptsetup\n"
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+ "DefaultDependencies=no\n"
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+ "After=cryptsetup.target\n"
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+ "Wants=cryptsetup.target\n"
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+ "Before=local-fs.target\n"
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+ "Before=shutdown.target\n");
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+
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+ fprintf(f,
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+ "\n[Service]\n"
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+ "RemainAfterExit=true\n"
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+ "Type=oneshot\n"
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+ "TimeoutSec=0\n"
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+ "ExecStart=/usr/bin/systemctl restart lvm.service\n");
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+
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+ fflush(f);
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+
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+ if (ferror(f)) {
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+ log_error("Failed to write file: %m");
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+ return -errno;
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+ }
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+
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+ if (asprintf(&to, "%s/local-fs.target.wants/storage-after-cryptsetup.service", arg_dest) < 0)
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+ return log_oom();
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+
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+ mkdir_parents(to, 0755);
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+
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+ if (symlink("../storage-after-cryptsetup.service", to) < 0) {
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+ log_error("Failed to create symlink ../storage-after-cryptsetup.service to '%s': %m", to);
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+ return -errno;
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+ }
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+
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+ return 0;
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+}
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+
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static int create_disk(
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const char *name,
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const char *device,
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@@ -284,6 +334,7 @@ int main(int argc, char *argv[]) {
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FILE _cleanup_fclose_ *f = NULL;
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unsigned n = 0;
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int r = EXIT_SUCCESS;
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+ bool no_crypttab = false;
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char **i;
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char _cleanup_strv_free_ **arg_proc_cmdline_disks_done = NULL;
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char _cleanup_strv_free_ **arg_proc_cmdline_disks = NULL;
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@@ -312,8 +363,10 @@ int main(int argc, char *argv[]) {
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f = fopen("/etc/crypttab", "re");
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if (!f) {
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- if (errno == ENOENT)
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+ if (errno == ENOENT) {
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+ no_crypttab = true;
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r = EXIT_SUCCESS;
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+ }
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else {
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r = EXIT_FAILURE;
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log_error("Failed to open /etc/crypttab: %m");
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@@ -397,5 +450,8 @@ int main(int argc, char *argv[]) {
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r = EXIT_FAILURE;
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}
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+ if ((r == EXIT_SUCCESS && !no_crypttab) && (create_storage_after_cryptsetup () < 0))
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+ r = EXIT_FAILURE;
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+
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return r;
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}
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