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dbinit-3.sql
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dbinit-3.sql
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/* drop everything */
DROP PROCEDURE IF EXISTS add_port_monitor;
DROP TABLE IF EXISTS url_notifications;
DROP TABLE IF EXISTS url_acknowledgments;
DROP TABLE IF EXISTS url_monitors;
DROP VIEW monitor_tasks;
DROP PROCEDURE IF EXISTS get_next_monitor_entry;
DROP PROCEDURE IF EXISTS get_monitor_notification;
/* tables */
--
-- Table structure for table url_monitors
--
CREATE TABLE url_monitors (
id bigint(20) NOT NULL AUTO_INCREMENT,
device_id bigint(20) NOT NULL,
url VARCHAR(255) NOT NULL,
expect_http_status smallint(6) NOT NULL DEFAULT '200',
check_interval smallint(6) NOT NULL DEFAULT '15',
last_check datetime DEFAULT NULL,
next_check datetime DEFAULT NULL,
status ENUM('new','ok','pending','warn','critical') DEFAULT NULL,
status_string VARCHAR(255) DEFAULT NULL,
disabled smallint(5) unsigned NOT NULL DEFAULT 0,
PRIMARY KEY (id),
UNIQUE KEY idx (url),
KEY device_id (device_id),
KEY disabled (disabled),
CONSTRAINT url_monitors_ibfk_1 FOREIGN KEY (device_id) REFERENCES devices (id) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Table structure for table url_acknowlegments
--
CREATE TABLE url_acknowledgments (
id bigint(20) NOT NULL AUTO_INCREMENT,
monitor_id bigint(20) NOT NULL,
ack_user varchar(64) DEFAULT NULL,
ack_time datetime DEFAULT NULL, ack_msg varchar(255) DEFAULT NULL,
PRIMARY KEY (id),
CONSTRAINT url_acknowledgments_ibfk_1 FOREIGN KEY (monitor_id) REFERENCES url_monitors (id) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Table structure for table url_notifications
--
CREATE TABLE url_notifications (
monitor_id bigint(20) NOT NULL,
user_id bigint(20) NOT NULL,
KEY monitor_id (monitor_id), KEY user_id (monitor_id),
UNIQUE KEY idx (monitor_id, user_id),
CONSTRAINT url_notifications_ibfk_1 FOREIGN KEY (monitor_id) REFERENCES url_monitors (id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT url_notifications_ibfk_2 FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
/* views */
CREATE ALGORITHM=UNDEFINED SQL SECURITY INVOKER VIEW monitor_tasks
AS (SELECT 'port_monitors' AS table_name, po.id AS id,
po.device_id AS device_id,
po.last_check AS last_check,
po.next_check AS next_check FROM
port_monitors po WHERE po.disabled=0 AND po.status <> 'pending')
UNION (SELECT 'ping_monitors' AS table_name, pi.id AS id,
pi.device_id AS device_id,
pi.last_check AS last_check,
pi.next_check AS next_check FROM ping_monitors pi
WHERE pi.disabled=0 AND pi.status <> 'pending')
UNION(SELECT 'certificate_monitors' AS table_name, ce.id AS id,
ce.device_id AS device_id,
ce.last_check AS last_check,
ce.next_check AS next_check FROM certificate_monitors ce
WHERE ce.disabled=0 AND ce.status <> 'pending')
UNION(SELECT 'snmp_monitors' AS table_name, sn.id AS id,
sn.device_id AS device_id,
sn.last_check AS last_check,
sn.next_check AS next_check FROM snmp_monitors sn
WHERE sn.disabled=0 AND sn.status <> 'pending')
UNION(SELECT 'shell_monitors' AS table_name, sh.id AS id,
sh.device_id AS device_id,
sh.last_check AS last_check,
sh.next_check AS next_check FROM shell_monitors sh
WHERE sh.disabled=0 AND sh.status <> 'pending')
UNION(SELECT 'url_monitors' AS table_name, url.id AS id,
url.device_id AS device_id,
url.last_check AS last_check,
url.next_check AS next_check FROM url_monitors url
WHERE url.disabled=0 AND url.status <> 'pending')
ORDER BY next_check;
/* stored procedures */
DELIMITER //
CREATE PROCEDURE add_port_monitor(IN in_port BIGINT,
IN in_addr VARCHAR(16),
IN in_proto VARCHAR(4))
MODIFIES SQL DATA
COMMENT 'Add new port monitor'
BEGIN
DECLARE V_id BIGINT;
DECLARE V_device_id BIGINT;
SELECT id INTO V_device_id FROM devices WHERE address=in_addr;
IF V_device_id IS NULL THEN
INSERT INTO devices VALUES(0, in_addr, in_addr);
SELECT LAST_INSERT_ID() INTO V_device_id;
END IF;
INSERT INTO port_monitors VALUES(0, V_device_id, in_port, in_proto, 15, NOW(), NOW(), 'new', '', 0);
SELECT LAST_INSERT_ID() INTO V_id;
SELECT V_id AS monitor_id, V_device_id AS device_id;
END;
//
DELIMITER ;
DELIMITER //
CREATE PROCEDURE get_next_monitor_entry()
MODIFIES SQL DATA
COMMENT 'Retrieves the next monitor entry'
BEGIN
DECLARE V_id BIGINT;
DECLARE V_device_id BIGINT;
DECLARE V_table_name VARCHAR(50);
DECLARE V_dev_ip VARCHAR(15);
SET V_device_id=0;
SET @_ignore_ids = '';
SET @_outage_id = 0;
WHILE V_device_id = 0 DO
-- Get next task and type of task
SELECT id, device_id, table_name INTO V_id, V_device_id, V_table_name
FROM monitor_tasks
WHERE next_check < DATE_ADD(NOW(), INTERVAL 1 MINUTE) AND
device_id NOT IN (@_ignore_ids)
LIMIT 1;
IF V_device_id > 0 THEN
-- see if this device is in maintenance mode
SELECT id INTO @_outage_id FROM device_outages WHERE device_id=V_device_id AND start_date < NOW() AND stop_date > NOW();
IF @_outage_id > 0 THEN
-- in maint mode, ignore this entry
if @_ignore_ids = '' THEN
SET @_ignore_ids = V_device_id;
ELSE
SET @_ignore_ids = CONCAT(@_ignore_ids, ',', V_device_id);
END IF;
SET V_device_id = 0;
SET @_outage_id = 0;
END IF;
ELSE
-- nothing to check...
SET V_device_id = -1;
SET V_table_name = '';
END IF;
END WHILE;
IF (V_table_name='port_monitors') THEN
-- if it is a port monitor type, look in port_monitors table
-- get row with lock to prevent another monitor
-- thread from picking up the same row
SET @s = CONCAT('SELECT device_id, check_interval, port, proto, status INTO @_dev_id, @_interval, @_port, @_proto, @_status FROM ', V_table_name, ' WHERE id=', V_id, ' FOR UPDATE');
SET autocommit=0;
START TRANSACTION;
PREPARE stmt FROM @s;
EXECUTE stmt;
-- set update last_check and next_check
SET @s = CONCAT('UPDATE port_monitors SET last_check=NOW(), ',
'next_check=DATE_ADD(NOW(), INTERVAL ', @_interval,
' MINUTE), status="pending" WHERE id=', V_id);
PREPARE stmt FROM @s;
EXECUTE stmt;
COMMIT;
SET autocommit=1;
-- get ip address of device id
SELECT address INTO V_dev_ip FROM devices WHERE id=@_dev_id;
SELECT V_id AS id, @_dev_id AS device_id, 'port_monitors' AS table_name,
V_dev_ip AS address, @_port AS port, @_proto AS proto,
@_status AS status;
ELSEIF (V_table_name='ping_monitors') THEN
-- get row with lock to prevent another monitor
-- thread from picking up the same row
SET @s = CONCAT('SELECT device_id, check_interval, status INTO @_dev_id, @_interval, @_status FROM ', V_table_name, ' WHERE id=', V_id, ' FOR UPDATE');
SET autocommit=0;
START TRANSACTION;
PREPARE stmt FROM @s;
EXECUTE stmt;
-- set update last_check and next_check
SET @s = CONCAT('UPDATE ping_monitors SET last_check=NOW(), ',
'next_check=DATE_ADD(NOW(), INTERVAL ', @_interval,
' MINUTE), status="pending" WHERE id=', V_id);
PREPARE stmt FROM @s;
EXECUTE stmt;
COMMIT;
SET autocommit=1;
-- get ip address of device id
SELECT address INTO V_dev_ip FROM devices WHERE id=@_dev_id;
SELECT V_id AS id, @_dev_id AS device_id, 'ping_monitors' AS table_name,
V_dev_ip AS address, @_status AS status;
ELSEIF (V_table_name='certificate_monitors') THEN
-- get row with lock to prevent another monitor
-- thread from picking up the same row
SET @s = CONCAT('SELECT device_id, check_interval, url, status INTO @_dev_id, @_interval, @_url, @_status FROM ', V_table_name, ' WHERE id=', V_id, ' FOR UPDATE');
SET autocommit=0;
START TRANSACTION;
PREPARE stmt FROM @s;
EXECUTE stmt;
-- set update last_check and next_check
SET @s = CONCAT('UPDATE certificate_monitors SET last_check=NOW(), ',
'next_check=DATE_ADD(NOW(), INTERVAL ', @_interval,
' MINUTE), status="pending" WHERE id=', V_id);
PREPARE stmt FROM @s;
EXECUTE stmt;
COMMIT;
SET autocommit=1;
SELECT V_id AS id, @_dev_id AS device_id,
'certificate_monitors' AS table_name,
@_url AS url, @_status AS status;
ELSEIF (V_table_name='snmp_monitors') THEN
-- get row with lock to prevent another monitor
-- thread from picking up the same row
SET @s = CONCAT('SELECT device_id, check_interval, name, community, oid, status INTO @_dev_id, @_interval, @_name, @_comm, @_oid, @_status FROM ', V_table_name, ' WHERE id=', V_id, ' FOR UPDATE');
SET autocommit=0;
START TRANSACTION;
PREPARE stmt FROM @s;
EXECUTE stmt;
-- set update last_check and next_check
SET @s = CONCAT('UPDATE snmp_monitors SET last_check=NOW(), ',
'next_check=DATE_ADD(NOW(), INTERVAL ', @_interval,
' MINUTE), status="pending" WHERE id=', V_id);
PREPARE stmt FROM @s;
EXECUTE stmt;
COMMIT;
SET autocommit=1;
-- get ip address of device id
SELECT address INTO V_dev_ip FROM devices WHERE id=@_dev_id;
SELECT V_id AS id, @_dev_id AS device_id,
'snmp_monitors' AS table_name,
V_dev_ip AS address,
@_name AS name, @_comm AS community,
@_oid AS oid, @_status AS status;
ELSEIF (V_table_name='shell_monitors') THEN
-- get row with lock to prevent another monitor
-- thread from picking up the same row
SET @s = CONCAT('SELECT device_id, check_interval, script, params, status INTO @_dev_id, @_interval, @_script, @_params, @_status FROM ', V_table_name, ' WHERE id=', V_id, ' FOR UPDATE');
SET autocommit=0;
START TRANSACTION;
PREPARE stmt FROM @s;
EXECUTE stmt;
-- set update last_check and next_check
SET @s = CONCAT('UPDATE shell_monitors SET last_check=NOW(), ',
'next_check=DATE_ADD(NOW(), INTERVAL ', @_interval,
' MINUTE), status="pending" WHERE id=', V_id);
PREPARE stmt FROM @s;
EXECUTE stmt;
COMMIT;
SET autocommit=1;
-- get ip address of device id
SELECT address INTO V_dev_ip FROM devices WHERE id=@_dev_id;
SELECT V_id AS id, @_dev_id AS device_id,
'shell_monitors' AS table_name,
V_dev_ip AS address,
@_script AS script,
@_params AS params,
@_status AS status;
ELSEIF (V_table_name='url_monitors') THEN
-- get row with lock to prevent another monitor
-- thread from picking up the same row
SET @s = CONCAT('SELECT device_id, check_interval, url, expect_http_status, status INTO @_dev_id, @_interval, @_url, @_expect_http_status, @_status FROM ', V_table_name, ' WHERE id=', V_id, ' FOR UPDATE');
SET autocommit=0;
START TRANSACTION;
PREPARE stmt FROM @s;
EXECUTE stmt;
-- set update last_check and next_check
SET @s = CONCAT('UPDATE url_monitors SET last_check=NOW(), ',
'next_check=DATE_ADD(NOW(), INTERVAL ', @_interval,
' MINUTE), status="pending" WHERE id=', V_id);
PREPARE stmt FROM @s;
EXECUTE stmt;
COMMIT;
SET autocommit=1;
-- get ip address of device id
SELECT address INTO V_dev_ip FROM devices WHERE id=@_dev_id;
SELECT V_id AS id, @_dev_id AS device_id,
'url_monitors' AS table_name,
V_dev_ip AS address,
@_url AS url,
@_expect_http_status AS expect_http_status,
@_status AS status;
END IF;
END;
//
DELIMITER ;
DELIMITER //
CREATE PROCEDURE get_monitor_notification(IN in_id BIGINT,
IN in_table VARCHAR(50))
READS SQL DATA
SQL SECURITY INVOKER
COMMENT 'Retrieve list of addresses to notify for this monitor'
BEGIN
DECLARE V_notification_table VARCHAR(50);
IF (in_table='port_monitors') THEN
SET V_notification_table = 'port_notifications';
ELSEIF (in_table='certificate_monitors') THEN
SET V_notification_table = 'certificate_notifications';
ELSEIF (in_table='snmp_monitors') THEN
SET V_notification_table = 'snmp_notifications';
ELSEIF (in_table='shell_monitors') THEN
SET V_notification_table = 'shell_notifications';
ELSEIF (in_table='url_monitors') THEN
SET V_notification_table = 'url_notifications';
END IF;
-- read from approprate table
SET @s = CONCAT('SELECT p.pref_value AS address FROM ', V_notification_table,
' n, user_prefs p WHERE n.monitor_id=', in_id,
' AND n.user_id=p.user_id and p.pref_scope="notifications" AND pref_name="notification_prefs_addr"');
PREPARE stmt FROM @s;
EXECUTE stmt;
END;
//
DELIMITER ;