sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-01-10 01:18:15 +03:00
Code

ctdb-daemon: Remove unused code to run eventscripts

Browse Source 
Eventscripts are now executed using a helper.

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This commit is contained in:
Amitay Isaacs 2013-12-17 19:22:20 +11:00 committed by Martin Schwenke
parent 18c1f43210
commit 97575e1ba0
1 changed files with 0 additions and 104 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

104
ctdb/server/eventscript.c
View File

@ -29,23 +29,6 @@
static void ctdb_event_script_timeout(struct event_context *ev, struct timed_event *te, struct timeval t, void *p);
/*
ctdbd sends us a SIGTERM when we should die.
*/
static void sigterm(int sig)
{
pid_t pid;
/* all the child processes will be running in the same process group */
pid = getpgrp();
if (pid == -1) {
kill(-getpid(), SIGKILL);
} else {
kill(-pid, SIGKILL);
}
_exit(1);
}
/* This is attached to the event script state. */
struct event_script_callback {
struct event_script_callback *next, *prev;
@ -266,93 +249,6 @@ static struct ctdb_scripts_wire *ctdb_get_script_list(struct ctdb_context *ctdb,
return scripts;
}
static int child_setup(struct ctdb_context *ctdb)
{
if (setpgid(0,0) != 0) {
int ret = -errno;
DEBUG(DEBUG_ERR,("Failed to create process group for event scripts - %s\n",
strerror(errno)));
return ret;
}
signal(SIGTERM, sigterm);
return 0;
}
static char *child_command_string(struct ctdb_context *ctdb,
TALLOC_CTX *ctx,
const char *scriptname,
enum ctdb_eventscript_call call,
const char *options)
{
return talloc_asprintf(ctx, "%s/%s %s %s",
ctdb->event_script_dir,
scriptname,
ctdb_eventscript_call_names[call],
options);
}
static int child_run_one(struct ctdb_context *ctdb,
const char *scriptname, const char *cmdstr)
{
int ret;
ret = system(cmdstr);
/* if the system() call was successful, translate ret into the
return code from the command
*/
if (ret != -1) {
ret = WEXITSTATUS(ret);
} else {
ret = -errno;
}
/* 127 could mean it does not exist, 126 non-executable. */
if (ret == 127 || ret == 126) {
/* Re-check it... */
if (!check_executable(ctdb->event_script_dir, scriptname)) {
DEBUG(DEBUG_ERR,("Script %s returned status %u. Someone just deleted it?\n",
cmdstr, ret));
ret = -errno;
}
}
return ret;
}
/*
Actually run one event script
this function is called and run in the context of a forked child
which allows it to do blocking calls such as system()
*/
static int child_run_script(struct ctdb_context *ctdb,
enum ctdb_eventscript_call call,
const char *options,
struct ctdb_script_wire *current)
{
char *cmdstr;
int ret;
TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
ret = child_setup(ctdb);
if (ret != 0)
goto out;
cmdstr = child_command_string(ctdb, tmp_ctx,
current->name, call, options);
CTDB_NO_MEMORY(ctdb, cmdstr);
DEBUG(DEBUG_DEBUG,("Executing event script %s\n",cmdstr));
if (current->status) {
ret = current->status;
goto out;
}
ret = child_run_one(ctdb, current->name, cmdstr);
out:
talloc_free(tmp_ctx);
return ret;
}
/* There cannot be more than 10 arguments to command helper. */
#define MAX_HELPER_ARGS (10)