#include "common.h"
#include "plugin.h"
#include "configfile.h"
-#include "utils_avltree.h"
#include <pthread.h>
#include <credis.h>
+#ifndef HOST_NAME_MAX
+# define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
+#endif
+
#define REDIS_DEF_HOST "localhost"
+#define REDIS_DEF_PASSWD ""
#define REDIS_DEF_PORT 6379
#define REDIS_DEF_TIMEOUT 2000
#define MAX_REDIS_NODE_NAME 64
+#define MAX_REDIS_PASSWD_LENGTH 512
/* Redis plugin configuration example:
*
{
char name[MAX_REDIS_NODE_NAME];
char host[HOST_NAME_MAX];
+ char passwd[MAX_REDIS_PASSWD_LENGTH];
int port;
int timeout;
}
else if (strcasecmp ("Timeout", option->key) == 0)
status = cf_util_get_int (option, &rn.timeout);
+ else if (strcasecmp ("Password", option->key) == 0)
+ status = cf_util_get_string_buffer (option, rn.passwd, sizeof (rn.passwd));
else
WARNING ("redis plugin: Option `%s' not allowed inside a `Node' "
"block. I'll ignore this option.", option->key);
} /* }}} */
__attribute__ ((nonnull(2)))
-static void redis_submit_c (char *plugin_instance,
+static void redis_submit_d (char *plugin_instance,
const char *type, const char *type_instance,
- counter_t value) /* {{{ */
+ derive_t value) /* {{{ */
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- values[0].counter = value;
+ values[0].derive = value;
vl.values = values;
vl.values_len = 1;
plugin_dispatch_values (&vl);
} /* }}} */
-static int redis_read (void) /* {{{ */
+static int redis_init (void) /* {{{ */
{
- REDIS rh;
- REDIS_INFO info;
+ redis_node_t rn = { "default", REDIS_DEF_HOST, REDIS_DEF_PASSWD,
+ REDIS_DEF_PORT, REDIS_DEF_TIMEOUT, /* next = */ NULL };
- int status;
+ if (nodes_head == NULL)
+ redis_node_add (&rn);
+
+ return (0);
+} /* }}} int redis_init */
+
+static int redis_read (void) /* {{{ */
+{
redis_node_t *rn;
for (rn = nodes_head; rn != NULL; rn = rn->next)
{
+ REDIS rh;
+ REDIS_INFO info;
+
+ int status;
+
DEBUG ("redis plugin: querying info from node `%s' (%s:%d).", rn->name, rn->host, rn->port);
- if ( (rh = credis_connect (rn->host, rn->port, rn->timeout)) == NULL )
+ rh = credis_connect (rn->host, rn->port, rn->timeout);
+ if (rh == NULL)
{
ERROR ("redis plugin: unable to connect to node `%s' (%s:%d).", rn->name, rn->host, rn->port);
- status = -1;
- break;
+ continue;
}
- if ( (status = credis_info (rh, &info)) == -1 )
+ if (strlen (rn->passwd) > 0)
+ {
+ DEBUG ("redis plugin: authenticanting node `%s' passwd(%s).", rn->name, rn->passwd);
+ status = credis_auth(rh, rn->passwd);
+ if (status != 0)
+ {
+ WARNING ("redis plugin: unable to authenticate on node `%s'.", rn->name);
+ credis_close (rh);
+ continue;
+ }
+ }
+
+ memset (&info, 0, sizeof (info));
+ status = credis_info (rh, &info);
+ if (status != 0)
{
WARNING ("redis plugin: unable to get info from node `%s'.", rn->name);
credis_close (rh);
- break;
+ continue;
}
/* typedef struct _cr_info {
info.total_connections_received, info.total_commands_processed,
info.uptime_in_seconds);
- redis_submit_g (rn->name, "connected_clients", NULL, info.connected_clients);
- redis_submit_g (rn->name, "connected_slaves", NULL, info.connected_slaves);
- redis_submit_g (rn->name, "used_memory", NULL, info.used_memory);
- redis_submit_g (rn->name, "changes_since_last_save", NULL, info.changes_since_last_save);
- redis_submit_g (rn->name, "bgsave_in_progress", NULL, info.bgsave_in_progress);
- redis_submit_c (rn->name, "total_connections_received", NULL, info.total_connections_received);
- redis_submit_c (rn->name, "total_commands_processed", NULL, info.total_commands_processed);
- redis_submit_c (rn->name, "uptime_in_seconds", NULL, info.uptime_in_seconds);
+ redis_submit_g (rn->name, "current_connections", "clients", info.connected_clients);
+ redis_submit_g (rn->name, "current_connections", "slaves", info.connected_slaves);
+ redis_submit_g (rn->name, "memory", "used", info.used_memory);
+ redis_submit_g (rn->name, "volatile_changes", NULL, info.changes_since_last_save);
+ redis_submit_d (rn->name, "total_connections", NULL, info.total_connections_received);
+ redis_submit_d (rn->name, "total_operations", NULL, info.total_commands_processed);
credis_close (rh);
- status = 0;
}
return 0;
void module_register (void) /* {{{ */
{
plugin_register_complex_config ("redis", redis_config);
+ plugin_register_init ("redis", redis_init);
plugin_register_read ("redis", redis_read);
/* TODO: plugin_register_write: one redis list per value id with
* X elements */