static int pcmk_write_ticket_atomic(struct ticket_config *tk, int grant)
{
char cmd[COMMAND_MAX];
int rv;
/* The values are appended to "-v", so that NO_ONE
* (which is -1) isn't seen as another option. */
snprintf(cmd, COMMAND_MAX,
"crm_ticket -t '%s' "
"%s --force "
"-S owner -v%" PRIi32 " "
"-S expires -v%" PRIi64 " "
"-S term -v%" PRIi64,
tk->name,
(grant > 0 ? "-g" :
grant < 0 ? "-r" :
""),
(int32_t)get_node_id(tk->leader),
(int64_t)wall_ts(&tk->term_expires),
(int64_t)tk->current_term);
rv = system(cmd);
log_debug("command: '%s' was executed", cmd);
if (rv != 0)
log_error("error: \"%s\" failed, %s", cmd, interpret_rv(rv));
return rv;
}
static int crm_ticket_get(struct ticket_config *tk,
const char *attr, int64_t *data)
{
char cmd[COMMAND_MAX];
char line[256];
int rv;
int64_t v;
FILE *p;
*data = -1;
v = 0;
snprintf(cmd, COMMAND_MAX,
"crm_ticket -t '%s' -G '%s' --quiet",
tk->name, attr);
p = popen(cmd, "r");
if (p == NULL) {
rv = errno;
log_error("popen error %d (%s) for \"%s\"",
rv, strerror(rv), cmd);
return rv || -EINVAL;
}
if (fgets(line, sizeof(line) - 1, p) == NULL) {
rv = ENODATA;
goto out;
}
rv = EINVAL;
if (!strncmp(line, "false", 5)) {
v = 0;
rv = 0;
} else if (!strncmp(line, "true", 4)) {
v = 1;
rv = 0;
} else if (sscanf(line, "%" PRIi64, &v) == 1) {
rv = 0;
}
*data = v;
out:
rv = pclose(p);
if (!rv) {
log_debug("command \"%s\" value %" PRIi64, cmd, v);
} else if (WEXITSTATUS(rv) == 6) {
log_info("command \"%s\", ticket not found", cmd);
} else {
log_error("command \"%s\" %s, value %" PRIi64, cmd, interpret_rv(rv), v);
}
return rv;
}
static int _run_crm_ticket(char *cmd)
{
int i, rv;
/* If there are errors, there's not much we can do but retry ... */
for (i=0; i<3 &&
(rv = system(cmd));
i++) ;
log_debug("'%s' gave result %s", cmd, interpret_rv(rv));
return rv;
}
static int pcmk_load_ticket(struct ticket_config *tk)
{
char cmd[COMMAND_MAX];
int rv = 0, pipe_rv;
FILE *p;
/* This here gets run during startup; testing that here means that
* normal operation won't be interrupted with that test. */
test_atomicity();
snprintf(cmd, COMMAND_MAX,
"crm_ticket -t '%s' -q",
tk->name);
p = popen(cmd, "r");
if (p == NULL) {
pipe_rv = errno;
log_error("popen error %d (%s) for \"%s\"",
pipe_rv, strerror(pipe_rv), cmd);
return pipe_rv || -EINVAL;
}
rv = parse_ticket_state(tk, p);
if (!tk->leader) {
/* Hmm, no site found for the ticket we have in the
* CIB!?
* Assume that the ticket belonged to us if it was
* granted here!
*/
log_warn("%s: no site matches; site got reconfigured?",
tk->name);
if (tk->is_granted) {
log_warn("%s: granted here, assume it belonged to us",
tk->name);
set_leader(tk, local);
}
}
pipe_rv = pclose(p);
if (!pipe_rv) {
log_debug("command \"%s\"", cmd);
} else if (WEXITSTATUS(pipe_rv) == 6) {
log_info("command \"%s\", ticket not found", cmd);
} else {
log_error("command \"%s\" %s", cmd, interpret_rv(pipe_rv));
}
return rv | pipe_rv;
}
static int pcmk_store_ticket_nonatomic(struct ticket_config *tk)
{
int rv;
/* Always try to store *each* attribute, even if there's an error
* for one of them. */
rv = crm_ticket_set_int(tk, "owner", (int32_t)get_node_id(tk->leader));
rv = crm_ticket_set_int(tk, "expires", wall_ts(&tk->term_expires)) || rv;
rv = crm_ticket_set_int(tk, "term", tk->current_term) || rv;
if (rv)
log_error("setting crm_ticket attributes failed; %s",
interpret_rv(rv));
else
log_info("setting crm_ticket attributes successful");
return rv;
}
static int crm_ticket_set(const struct ticket_config *tk, const char *attr, int64_t val)
{
char cmd[COMMAND_MAX];
int i, rv;
snprintf(cmd, COMMAND_MAX,
"crm_ticket -t '%s' -S '%s' -v %" PRIi64,
tk->name, attr, val);
/* If there are errors, there's not much we can do but retry ... */
for (i=0; i<3 &&
(rv = system(cmd));
i++) ;
log_debug("'%s' gave result %s", cmd, interpret_rv(rv));
return rv;
}
/* get_attr is currently not used and has not been tested
*/
static int pcmk_get_attr(struct ticket_config *tk, const char *attr, const char **vp)
{
char cmd[COMMAND_MAX];
char line[BOOTH_ATTRVAL_LEN+1];
int rv = 0;
FILE *p;
*vp = NULL;
snprintf(cmd, COMMAND_MAX,
"crm_ticket -t '%s' -G '%s' --quiet",
tk->name, attr);
p = popen(cmd, "r");
if (p == NULL) {
rv = errno;
log_error("popen error %d (%s) for \"%s\"",
rv, strerror(rv), cmd);
return rv || EINVAL;
}
if (fgets(line, BOOTH_ATTRVAL_LEN, p) == NULL) {
rv = ENODATA;
goto out;
}
*vp = g_strdup(line);
out:
rv = pclose(p);
if (!rv) {
log_debug("command \"%s\"", cmd);
} else if (WEXITSTATUS(rv) == 6) {
log_info("command \"%s\", ticket not found", cmd);
} else {
log_error("command \"%s\" %s", cmd, interpret_rv(rv));
}
return rv;
}
static int pcmk_revoke_ticket(struct ticket_config *tk)
{
char cmd[COMMAND_MAX];
int rv;
test_atomicity();
if (atomicity == YES)
return pcmk_write_ticket_atomic(tk, -1);
rv = pcmk_store_ticket_nonatomic(tk);
if (rv)
return rv;
snprintf(cmd, COMMAND_MAX, "crm_ticket -t %s -r --force",
tk->name);
log_debug("command: '%s' was executed", cmd);
rv = system(cmd);
if (rv != 0)
log_error("error: \"%s\" failed, %s", cmd, interpret_rv(rv));
return rv;
}
