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Merge pull request #3734 from kinvolk/rata/nsexec-add-debug-log

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nsexec: Add debug logs to send mount sources
This commit is contained in:
Akihiro Suda
2023-02-22 13:19:06 +09:00
committed by GitHub
parent 7d4fde26f8 2ca3d230e2
commit 71f8b2af5c
1 changed files with 3 additions and 0 deletions
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libcontainer/nsenter/nsexec.c
+3
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@@ -812,6 +812,7 @@ void send_mountsources(int sockfd, pid_t child, char *mountsources, size_t mount
if (fd < 0) if (fd < 0)
bail("failed to open mount source %s", mountsources); bail("failed to open mount source %s", mountsources);
write_log(DEBUG, "~> sending fd for: %s", mountsources);
send_fd(sockfd, fd); send_fd(sockfd, fd);
ret = close(fd); ret = close(fd);
@@ -1065,6 +1066,7 @@ void nsexec(void)
} }
break; break;
case SYNC_MOUNTSOURCES_PLS: case SYNC_MOUNTSOURCES_PLS:
write_log(DEBUG, "stage-1 requested to open mount sources");
send_mountsources(syncfd, stage1_pid, config.mountsources, send_mountsources(syncfd, stage1_pid, config.mountsources,
config.mountsources_len); config.mountsources_len);
@@ -1230,6 +1232,7 @@ void nsexec(void)
/* Ask our parent to send the mount sources fds. */ /* Ask our parent to send the mount sources fds. */
if (config.mountsources) { if (config.mountsources) {
write_log(DEBUG, "request stage-0 to send mount sources");
s = SYNC_MOUNTSOURCES_PLS; s = SYNC_MOUNTSOURCES_PLS;
if (write(syncfd, &s, sizeof(s)) != sizeof(s)) { if (write(syncfd, &s, sizeof(s)) != sizeof(s)) {
sane_kill(stage2_pid, SIGKILL); sane_kill(stage2_pid, SIGKILL);