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/*
* Copyright 2012-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <crm/crm.h>
#include <crm/services.h>
#include <crm/services_internal.h>
#include "services_private.h"
#include "services_ocf.h"
GList *
resources_os_list_ocf_providers(void)
{
return get_directory_list(PCMK__OCF_RA_PATH, FALSE, TRUE);
}
static GList *
services_os_get_directory_list_provider(const char *root, const char *provider,
gboolean files, gboolean executable)
{
GList *result = NULL;
char *dirs = strdup(root);
char *dir = NULL;
char buffer[PATH_MAX];
if (pcmk__str_empty(dirs)) {
free(dirs);
return result;
}
for (dir = strtok(dirs, ":"); dir != NULL; dir = strtok(NULL, ":")) {
GList *tmp = NULL;
sprintf(buffer, "%s/%s", dir, provider);
tmp = services_os_get_single_directory_list(buffer, files, executable);
if (tmp) {
result = g_list_concat(result, tmp);
}
}
free(dirs);
return result;
}
GList *
resources_os_list_ocf_agents(const char *provider)
{
GList *gIter = NULL;
GList *result = NULL;
GList *providers = NULL;
if (provider) {
return services_os_get_directory_list_provider(PCMK__OCF_RA_PATH, provider,
TRUE, TRUE);
}
providers = resources_os_list_ocf_providers();
for (gIter = providers; gIter != NULL; gIter = gIter->next) {
GList *tmp1 = result;
GList *tmp2 = resources_os_list_ocf_agents(gIter->data);
if (tmp2) {
result = g_list_concat(tmp1, tmp2);
}
}
g_list_free_full(providers, free);
return result;
}
gboolean
services__ocf_agent_exists(const char *provider, const char *agent)
{
gboolean rc = FALSE;
struct stat st;
char *dirs = strdup(PCMK__OCF_RA_PATH);
char *dir = NULL;
char *buf = NULL;
if (provider == NULL || agent == NULL || pcmk__str_empty(dirs)) {
free(dirs);
return rc;
}
for (dir = strtok(dirs, ":"); dir != NULL; dir = strtok(NULL, ":")) {
buf = crm_strdup_printf("%s/%s/%s", dir, provider, agent);
if (stat(buf, &st) == 0) {
free(buf);
rc = TRUE;
break;
}
free(buf);
}
free(dirs);
return rc;
}
/*!
* \internal
* \brief Prepare an OCF action
*
* \param[in,out] op Action to prepare
*
* \return Standard Pacemaker return code
*/
int
services__ocf_prepare(svc_action_t *op)
{
char *dirs = strdup(PCMK__OCF_RA_PATH);
struct stat st;
if (dirs == NULL) {
return ENOMEM;
}
// Look for agent on path
for (char *dir = strtok(dirs, ":"); dir != NULL; dir = strtok(NULL, ":")) {
char *buf = crm_strdup_printf("%s/%s/%s", dir, op->provider, op->agent);
if (stat(buf, &st) == 0) {
op->opaque->exec = buf;
break;
}
free(buf);
}
free(dirs);
if (op->opaque->exec == NULL) {
return ENOENT;
}
op->opaque->args[0] = strdup(op->opaque->exec);
op->opaque->args[1] = strdup(op->action);
if ((op->opaque->args[0] == NULL) || (op->opaque->args[1] == NULL)) {
return ENOMEM;
}
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Map an actual OCF result to a standard OCF result
*
* \param[in] exit_status Actual OCF agent exit status
*
* \return Standard OCF result
*/
enum ocf_exitcode
services__ocf2ocf(int exit_status)
{
switch (exit_status) {
case PCMK_OCF_DEGRADED:
case PCMK_OCF_DEGRADED_PROMOTED:
break;
default:
if ((exit_status < 0) || (exit_status > PCMK_OCF_FAILED_PROMOTED)) {
exit_status = PCMK_OCF_UNKNOWN_ERROR;
}
break;
}
return (enum ocf_exitcode) exit_status;
}
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