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cryptsetup-generator: use remote-cryptsetup.target when _netdev is present

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This allows such devices to depend on the network. Their startup will
be delayed similarly to network mount units.

Fixes #4642.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2017-09-05 12:07:52 +02:00
parent 889128b8b2
commit b001ad61e9
2 changed files with 30 additions and 13 deletions
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src/cryptsetup/cryptsetup-generator.c
+17 -13
View File
@@ -62,7 +62,7 @@ static int create_disk(
*filtered = NULL;
_cleanup_fclose_ FILE *f = NULL;
const char *dmname;
bool noauto, nofail, tmp, swap;
bool noauto, nofail, tmp, swap, netdev;
int r;
assert(name);
@@ -72,6 +72,7 @@ static int create_disk(
nofail = fstab_test_yes_no_option(options, "nofail\0" "fail\0");
tmp = fstab_test_option(options, "tmp\0");
swap = fstab_test_option(options, "swap\0");
netdev = fstab_test_option(options, "_netdev\0");
if (tmp && swap) {
log_error("Device '%s' cannot be both 'tmp' and 'swap'. Ignoring.", name);
@@ -102,20 +103,22 @@ static int create_disk(
if (!f)
return log_error_errno(errno, "Failed to create unit file %s: %m", p);
fputs_unlocked("# Automatically generated by systemd-cryptsetup-generator\n\n"
"[Unit]\n"
"Description=Cryptography Setup for %I\n"
"Documentation=man:crypttab(5) man:systemd-cryptsetup-generator(8) man:systemd-cryptsetup@.service(8)\n"
"SourcePath=/etc/crypttab\n"
"DefaultDependencies=no\n"
"Conflicts=umount.target\n"
"IgnoreOnIsolate=true\n"
"After=cryptsetup-pre.target\n",
f);
fprintf(f,
"# Automatically generated by systemd-cryptsetup-generator\n\n"
"[Unit]\n"
"Description=Cryptography Setup for %%I\n"
"Documentation=man:crypttab(5) man:systemd-cryptsetup-generator(8) man:systemd-cryptsetup@.service(8)\n"
"SourcePath=/etc/crypttab\n"
"DefaultDependencies=no\n"
"Conflicts=umount.target\n"
"IgnoreOnIsolate=true\n"
"After=%s\n",
netdev ? "remote-cryptsetup-pre.target" : "cryptsetup-pre.target");
if (!nofail)
fprintf(f,
"Before=cryptsetup.target\n");
"Before=%s\n",
netdev ? "remote-cryptsetup.target" : "cryptsetup.target");
if (password) {
if (STR_IN_SET(password, "/dev/urandom", "/dev/random", "/dev/hw_random"))
@@ -191,7 +194,8 @@ static int create_disk(
if (r < 0)
return r;
r = generator_add_symlink(arg_dest, "cryptsetup.target",
r = generator_add_symlink(arg_dest,
netdev ? "remote-cryptsetup.target" : "cryptsetup.target",
nofail ? "wants" : "requires", n);
if (r < 0)
return r;