Imported Upstream version 1.4.16+git20130902
This commit is contained in:
parent
e76be63abf
commit
e70fb8c051
517 changed files with 44015 additions and 43295 deletions
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@ -3,7 +3,7 @@
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* Nagios check_pgsql plugin
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*
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* License: GPL
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* Copyright (c) 1999-2007 Nagios Plugins Development Team
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* Copyright (c) 1999-2011 Nagios Plugins Development Team
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*
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* Description:
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*
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@ -29,7 +29,7 @@
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*****************************************************************************/
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const char *progname = "check_pgsql";
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const char *copyright = "1999-2007";
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const char *copyright = "1999-2011";
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const char *email = "nagiosplug-devel@lists.sourceforge.net";
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#include "common.h"
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@ -42,6 +42,20 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
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#define DEFAULT_DB "template1"
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#define DEFAULT_HOST "127.0.0.1"
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/* return the PSQL server version as a 3-tuple */
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#define PSQL_SERVER_VERSION3(server_version) \
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(server_version) / 10000, \
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(server_version) / 100 - (int)((server_version) / 10000) * 100, \
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(server_version) - (int)((server_version) / 100) * 100
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/* return true if the given host is a UNIX domain socket */
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#define PSQL_IS_UNIX_DOMAIN_SOCKET(host) \
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((NULL == (host)) || ('\0' == *(host)) || ('/' == *(host)))
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/* return a 3-tuple identifying a host/port independent of the socket type */
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#define PSQL_SOCKET3(host, port) \
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((NULL == (host)) || ('\0' == *(host))) ? DEFAULT_PGSOCKET_DIR : host, \
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PSQL_IS_UNIX_DOMAIN_SOCKET (host) ? "/.s.PGSQL." : ":", \
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port
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enum {
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DEFAULT_PORT = 5432,
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DEFAULT_WARN = 2,
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@ -56,6 +70,7 @@ void print_usage (void);
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void print_help (void);
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int is_pg_dbname (char *);
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int is_pg_logname (char *);
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int do_query (PGconn *, char *);
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char *pghost = NULL; /* host name of the backend server */
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char *pgport = NULL; /* port of the backend server */
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@ -65,14 +80,15 @@ char *pgtty = NULL;
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char dbName[NAMEDATALEN] = DEFAULT_DB;
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char *pguser = NULL;
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char *pgpasswd = NULL;
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char *pgparams = NULL;
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double twarn = (double)DEFAULT_WARN;
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double tcrit = (double)DEFAULT_CRIT;
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char *pgquery = NULL;
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char *query_warning = NULL;
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char *query_critical = NULL;
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thresholds *qthresholds = NULL;
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int verbose = 0;
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PGconn *conn;
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/*PGresult *res;*/
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/******************************************************************************
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The (psuedo?)literate programming XML is contained within \@\@\- <XML> \-\@\@
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@ -115,10 +131,6 @@ Please note that all tags must be lowercase to use the DocBook XML DTD.
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<sect2>
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<title>Future Enhancements</title>
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<para>ToDo List</para>
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<itemizedlist>
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<listitem>Add option to get password from a secured file rather than the command line</listitem>
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<listitem>Add option to specify the query to execute</listitem>
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</itemizedlist>
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</sect2>
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@ -132,8 +144,14 @@ Please note that all tags must be lowercase to use the DocBook XML DTD.
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int
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main (int argc, char **argv)
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{
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int elapsed_time;
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PGconn *conn;
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char *conninfo = NULL;
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struct timeval start_timeval;
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struct timeval end_timeval;
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double elapsed_time;
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int status = STATE_UNKNOWN;
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int query_status = STATE_UNKNOWN;
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/* begin, by setting the parameters for a backend connection if the
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* parameters are null, then the system will try to use reasonable
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@ -161,20 +179,41 @@ main (int argc, char **argv)
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}
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alarm (timeout_interval);
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if (verbose)
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printf("Connecting to database:\n DB: %s\n User: %s\n Host: %s\n Port: %d\n", dbName,
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(pguser != NULL) ? pguser : "unspecified",
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(pghost != NULL) ? pghost : "unspecified",
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(pgport != NULL) ? atoi(pgport) : DEFAULT_PORT);
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if (pgparams)
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asprintf (&conninfo, "%s ", pgparams);
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asprintf (&conninfo, "%sdbname = '%s'", conninfo ? conninfo : "", dbName);
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if (pghost)
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asprintf (&conninfo, "%s host = '%s'", conninfo, pghost);
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if (pgport)
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asprintf (&conninfo, "%s port = '%s'", conninfo, pgport);
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if (pgoptions)
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asprintf (&conninfo, "%s options = '%s'", conninfo, pgoptions);
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/* if (pgtty) -- ignored by PQconnectdb */
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if (pguser)
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asprintf (&conninfo, "%s user = '%s'", conninfo, pguser);
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if (verbose) /* do not include password (see right below) in output */
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printf ("Connecting to PostgreSQL using conninfo: %s%s\n", conninfo,
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pgpasswd ? " password = <hidden>" : "");
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if (pgpasswd)
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asprintf (&conninfo, "%s password = '%s'", conninfo, pgpasswd);
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/* make a connection to the database */
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time (&start_time);
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conn =
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PQsetdbLogin (pghost, pgport, pgoptions, pgtty, dbName, pguser, pgpasswd);
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time (&end_time);
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elapsed_time = (int) (end_time - start_time);
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gettimeofday (&start_timeval, NULL);
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conn = PQconnectdb (conninfo);
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gettimeofday (&end_timeval, NULL);
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while (start_timeval.tv_usec > end_timeval.tv_usec) {
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--end_timeval.tv_sec;
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end_timeval.tv_usec += 1000000;
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}
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elapsed_time = (double)(end_timeval.tv_sec - start_timeval.tv_sec)
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+ (double)(end_timeval.tv_usec - start_timeval.tv_usec) / 1000000.0;
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if (verbose)
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printf("Time elapsed: %d\n", elapsed_time);
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printf("Time elapsed: %f\n", elapsed_time);
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/* check to see that the backend connection was successfully made */
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if (verbose)
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@ -194,14 +233,32 @@ main (int argc, char **argv)
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else {
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status = STATE_OK;
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}
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if (verbose) {
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char *server_host = PQhost (conn);
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int server_version = PQserverVersion (conn);
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printf ("Successfully connected to database %s (user %s) "
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"at server %s%s%s (server version: %d.%d.%d, "
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"protocol version: %d, pid: %d)\n",
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PQdb (conn), PQuser (conn),
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PSQL_SOCKET3 (server_host, PQport (conn)),
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PSQL_SERVER_VERSION3 (server_version),
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PQprotocolVersion (conn), PQbackendPID (conn));
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}
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printf (_(" %s - database %s (%f sec.)|%s\n"),
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state_text(status), dbName, elapsed_time,
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fperfdata("time", elapsed_time, "s",
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!!(twarn > 0.0), twarn, !!(tcrit > 0.0), tcrit, TRUE, 0, FALSE,0));
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if (pgquery)
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query_status = do_query (conn, pgquery);
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if (verbose)
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printf("Closing connection\n");
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PQfinish (conn);
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printf (_(" %s - database %s (%d sec.)|%s\n"),
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state_text(status), dbName, elapsed_time,
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fperfdata("time", elapsed_time, "s",
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(int)twarn, twarn, (int)tcrit, tcrit, TRUE, 0, FALSE,0));
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return status;
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return (query_status > status) ? query_status : status;
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}
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@ -225,12 +282,16 @@ process_arguments (int argc, char **argv)
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{"authorization", required_argument, 0, 'a'},
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{"port", required_argument, 0, 'P'},
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{"database", required_argument, 0, 'd'},
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{"option", required_argument, 0, 'o'},
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{"query", required_argument, 0, 'q'},
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{"query_critical", required_argument, 0, 'C'},
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{"query_warning", required_argument, 0, 'W'},
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{"verbose", no_argument, 0, 'v'},
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{0, 0, 0, 0}
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};
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while (1) {
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c = getopt_long (argc, argv, "hVt:c:w:H:P:d:l:p:a:v",
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c = getopt_long (argc, argv, "hVt:c:w:H:P:d:l:p:a:o:q:C:W:v",
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longopts, &option);
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if (c == EOF)
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@ -263,8 +324,14 @@ process_arguments (int argc, char **argv)
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else
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twarn = strtod (optarg, NULL);
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break;
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case 'C': /* critical query threshold */
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query_critical = optarg;
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break;
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case 'W': /* warning query threshold */
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query_warning = optarg;
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break;
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case 'H': /* host */
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if (!is_host (optarg))
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if ((*optarg != '/') && (!is_host (optarg)))
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usage2 (_("Invalid hostname/address"), optarg);
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else
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pghost = optarg;
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@ -291,12 +358,23 @@ process_arguments (int argc, char **argv)
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case 'a':
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pgpasswd = optarg;
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break;
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case 'o':
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if (pgparams)
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asprintf (&pgparams, "%s %s", pgparams, optarg);
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else
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asprintf (&pgparams, "%s", optarg);
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break;
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case 'q':
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pgquery = optarg;
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break;
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case 'v':
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verbose++;
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break;
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}
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}
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set_thresholds (&qthresholds, query_warning, query_critical);
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return validate_arguments ();
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}
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@ -417,7 +495,7 @@ print_help (void)
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{
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char *myport;
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asprintf (&myport, "%d", DEFAULT_PORT);
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xasprintf (&myport, "%d", DEFAULT_PORT);
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print_revision (progname, NP_VERSION);
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@ -434,8 +512,6 @@ print_help (void)
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printf (UT_HOST_PORT, 'P', myport);
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printf (UT_IPv46);
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printf (" %s\n", "-d, --database=STRING");
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printf (" %s", _("Database to check "));
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printf (_("(default: %s)"), DEFAULT_DB);
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@ -443,11 +519,20 @@ print_help (void)
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printf (" %s\n", _("Login name of user"));
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printf (" %s\n", "-p, --password = STRING");
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printf (" %s\n", _("Password (BIG SECURITY ISSUE)"));
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printf (" %s\n", "-o, --option = STRING");
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printf (" %s\n", _("Connection parameters (keyword = value), see below"));
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printf (UT_WARN_CRIT);
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printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
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printf (" %s\n", "-q, --query=STRING");
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printf (" %s\n", _("SQL query to run. Only first column in first row will be read"));
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printf (" %s\n", "-W, --query-warning=RANGE");
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printf (" %s\n", _("SQL query value to result in warning status (double)"));
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printf (" %s\n", "-C, --query-critical=RANGE");
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printf (" %s\n", _("SQL query value to result in critical status (double)"));
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printf (UT_VERBOSE);
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printf ("\n");
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@ -458,6 +543,22 @@ print_help (void)
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printf (" %s\n", _("connects to the template1 database, which is present in every functioning"));
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printf (" %s\n\n", _("PostgreSQL DBMS."));
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printf (" %s\n", _("If a query is specified using the -q option, it will be executed after"));
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printf (" %s\n", _("connecting to the server. The result from the query has to be numeric."));
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printf (" %s\n", _("Multiple SQL commands, separated by semicolon, are allowed but the result "));
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printf (" %s\n", _("of the last command is taken into account only. The value of the first"));
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printf (" %s\n\n", _("column in the first row is used as the check result."));
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printf (" %s\n", _("See the chapter \"Monitoring Database Activity\" of the PostgreSQL manual"));
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printf (" %s\n\n", _("for details about how to access internal statistics of the database server."));
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printf (" %s\n", _("For a list of available connection parameters which may be used with the -o"));
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printf (" %s\n", _("command line option, see the documentation for PQconnectdb() in the chapter"));
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printf (" %s\n", _("\"libpq - C Library\" of the PostgreSQL manual. For example, this may be"));
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printf (" %s\n", _("used to specify a service name in pg_service.conf to be used for additional"));
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printf (" %s\n", _("connection parameters: -o 'service=<name>' or to specify the SSL mode:"));
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printf (" %s\n\n", _("-o 'sslmode=require'."));
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printf (" %s\n", _("The plugin will connect to a local postmaster if no host is specified. To"));
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printf (" %s\n", _("connect to a remote host, be sure that the remote postmaster accepts TCP/IP"));
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printf (" %s\n\n", _("connections (start the postmaster with the -i option)."));
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@ -476,5 +577,74 @@ print_usage (void)
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{
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printf ("%s\n", _("Usage:"));
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printf ("%s [-H <host>] [-P <port>] [-c <critical time>] [-w <warning time>]\n", progname);
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printf (" [-t <timeout>] [-d <database>] [-l <logname>] [-p <password>]\n");
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printf (" [-t <timeout>] [-d <database>] [-l <logname>] [-p <password>]\n"
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"[-q <query>] [-C <critical query range>] [-W <warning query range>]\n");
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}
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int
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do_query (PGconn *conn, char *query)
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{
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PGresult *res;
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char *val_str;
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double value;
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char *endptr = NULL;
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int my_status = STATE_UNKNOWN;
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if (verbose)
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printf ("Executing SQL query \"%s\".\n", query);
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res = PQexec (conn, query);
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if (PGRES_TUPLES_OK != PQresultStatus (res)) {
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printf (_("QUERY %s - %s: %s.\n"), _("CRITICAL"), _("Error with query"),
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PQerrorMessage (conn));
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return STATE_CRITICAL;
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}
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if (PQntuples (res) < 1) {
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printf ("QUERY %s - %s.\n", _("WARNING"), _("No rows returned"));
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return STATE_WARNING;
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}
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if (PQnfields (res) < 1) {
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printf ("QUERY %s - %s.\n", _("WARNING"), _("No columns returned"));
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return STATE_WARNING;
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}
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val_str = PQgetvalue (res, 0, 0);
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if (! val_str) {
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printf ("QUERY %s - %s.\n", _("CRITICAL"), _("No data returned"));
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return STATE_CRITICAL;
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}
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value = strtod (val_str, &endptr);
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if (verbose)
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printf ("Query result: %f\n", value);
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if (endptr == val_str) {
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printf ("QUERY %s - %s: %s\n", _("CRITICAL"), _("Is not a numeric"), val_str);
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return STATE_CRITICAL;
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}
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else if ((endptr != NULL) && (*endptr != '\0')) {
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if (verbose)
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printf ("Garbage after value: %s.\n", endptr);
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}
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my_status = get_status (value, qthresholds);
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printf ("QUERY %s - ",
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(my_status == STATE_OK)
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? _("OK")
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: (my_status == STATE_WARNING)
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? _("WARNING")
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: (my_status == STATE_CRITICAL)
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? _("CRITICAL")
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: _("UNKNOWN"));
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printf (_("'%s' returned %f"), query, value);
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printf ("|query=%f;%s;%s;;\n", value,
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query_warning ? query_warning : "",
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query_critical ? query_critical : "");
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return my_status;
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}
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