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Merge pull request #2461 from lucab/ups/prepare-root-logging

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prepare-root: tweak log messages to clarify errors
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Colin Walters 2021-10-07 11:56:17 -04:00 committed by GitHub
commit f4a3837662
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1 changed files with 13 additions and 4 deletions
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17
src/switchroot/ostree-prepare-root.c
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@ -189,6 +189,10 @@ main(int argc, char *argv[])
err (EXIT_FAILURE, "usage: ostree-prepare-root SYSROOT");
root_arg = argv[1];
}
#ifdef USE_LIBSYSTEMD
sd_journal_send ("MESSAGE=preparing sysroot at %s", root_arg,
NULL);
#endif
struct stat stbuf;
if (stat ("/proc/cmdline", &stbuf) < 0)
@ -238,15 +242,20 @@ main(int argc, char *argv[])
*/
const bool sysroot_readonly = sysroot_is_configured_ro (root_arg);
const bool sysroot_currently_writable = !path_is_on_readonly_fs (root_arg);
#ifdef USE_LIBSYSTEMD
sd_journal_send ("MESSAGE=sysroot configured read-only: %d, currently writable: %d",
(int)sysroot_readonly, (int)sysroot_currently_writable, NULL);
sd_journal_send ("MESSAGE=filesystem at %s currently writable: %d", root_arg,
(int)sysroot_currently_writable,
NULL);
sd_journal_send ("MESSAGE=sysroot.readonly configuration value: %d",
(int)sysroot_readonly,
NULL);
#endif
if (sysroot_readonly)
{
if (!sysroot_currently_writable)
errx (EXIT_FAILURE, "sysroot=readonly currently requires writable / in initramfs");
errx (EXIT_FAILURE, "sysroot.readonly=true requires %s to be writable at this point",
root_arg);
/* Now, /etc is not normally a bind mount, but if we have a readonly
* sysroot, we still need a writable /etc. And to avoid race conditions
* we ensure it's writable in the initramfs, before we switchroot at all.