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glass-isc-dhcp
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Don't start alerting checks until after a minute

This commit is contained in:
Akkadius 2017-09-14 04:33:36 -05:00
parent 5fd98d6ad0
commit 359c571d24
1 changed files with 84 additions and 83 deletions
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167
app.js
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@ -370,102 +370,103 @@ function slack_message(message) {
alert_status = []; alert_status = [];
alert_status['leases_per_minute'] = 0; alert_status['leases_per_minute'] = 0;
setTimeout(function(){
alert_check_timer = setInterval(function(){ alert_check_timer = setInterval(function(){
console.log("[Timer] Alert Timer check"); console.log("[Timer] Alert Timer check");
if(glass_config.leases_per_minute_threshold > 0) { if(glass_config.leases_per_minute_threshold > 0) {
console.log("[Timer] lpm: %s lpm_th: %s", leases_per_minute, glass_config.leases_per_minute_threshold); console.log("[Timer] lpm: %s lpm_th: %s", leases_per_minute, glass_config.leases_per_minute_threshold);
if (leases_per_minute <= glass_config.leases_per_minute_threshold && alert_status['leases_per_minute'] == 0) { if (leases_per_minute <= glass_config.leases_per_minute_threshold && alert_status['leases_per_minute'] == 0) {
alert_status['leases_per_minute'] = 1; alert_status['leases_per_minute'] = 1;
slack_message(":warning: WARNING: DHCP leases per minute have dropped below threshold (" + parseInt(glass_config.leases_per_minute_threshold).toLocaleString('en') + ") Current (" + parseInt(leases_per_minute).toLocaleString('en') + ")"); slack_message(":warning: WARNING: DHCP leases per minute have dropped below threshold (" + parseInt(glass_config.leases_per_minute_threshold).toLocaleString('en') + ") Current (" + parseInt(leases_per_minute).toLocaleString('en') + ")");
}
else if (leases_per_minute >= glass_config.leases_per_minute_threshold && alert_status['leases_per_minute'] == 1) {
alert_status['leases_per_minute'] = 0;
slack_message(":white_check_mark: CLEAR: DHCP leases per minute have returned to above threshold (" + parseInt(glass_config.leases_per_minute_threshold).toLocaleString('en') + ") Current (" + parseInt(leases_per_minute).toLocaleString('en') + ")");
}
} }
else if (leases_per_minute >= glass_config.leases_per_minute_threshold && alert_status['leases_per_minute'] == 1) { }, (60 * 1000));
alert_status['leases_per_minute'] = 0;
slack_message(":white_check_mark: CLEAR: DHCP leases per minute have returned to above threshold (" + parseInt(glass_config.leases_per_minute_threshold).toLocaleString('en') + ") Current (" + parseInt(leases_per_minute).toLocaleString('en') + ")");
}
}
}, (60 * 1000));
alert_status_networks_warning = []; alert_status_networks_warning = [];
alert_status_networks_critical = []; alert_status_networks_critical = [];
alert_subnet_check_timer = setInterval(function(){ alert_subnet_check_timer = setInterval(function(){
console.log("[Timer] Alert Timer check - subnets"); console.log("[Timer] Alert Timer check - subnets");
if(glass_config.shared_network_warning_threshold > 0 || glass_config.shared_network_critical_threshold > 0) { if(glass_config.shared_network_warning_threshold > 0 || glass_config.shared_network_critical_threshold > 0) {
const execSync = require('child_process').execSync; const execSync = require('child_process').execSync;
output = execSync('./bin/dhcpd-pools -c ' + glass_config.config_file + ' -l ' + glass_config.leases_file + ' -f j -A -s e'); output = execSync('./bin/dhcpd-pools -c ' + glass_config.config_file + ' -l ' + glass_config.leases_file + ' -f j -A -s e');
var dhcp_data = JSON.parse(output); var dhcp_data = JSON.parse(output);
/*
* Iterate through Shared Networks
*/
for ( var i = 0; i < dhcp_data['shared-networks'].length; i++) {
utilization = round(parseFloat(dhcp_data['shared-networks'][i].used / dhcp_data['shared-networks'][i].defined) * 100, 2);
if(isNaN(utilization))
utilization = 0;
/* Initialize these array buckets */
if(typeof alert_status_networks_warning[dhcp_data['shared-networks'][i].location] === "undefined")
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] = 0;
if(typeof alert_status_networks_critical[dhcp_data['shared-networks'][i].location] === "undefined")
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] = 0;
/* /*
console.log("Location: %s", dhcp_data['shared-networks'][i].location); * Iterate through Shared Networks
console.log("Used: %s", dhcp_data['shared-networks'][i].used.toLocaleString('en')); */
console.log("Defined: %s", dhcp_data['shared-networks'][i].defined.toLocaleString('en')); for ( var i = 0; i < dhcp_data['shared-networks'].length; i++) {
console.log("Free: %s", dhcp_data['shared-networks'][i].free.toLocaleString('en')); utilization = round(parseFloat(dhcp_data['shared-networks'][i].used / dhcp_data['shared-networks'][i].defined) * 100, 2);
console.log("Utilization: %s", utilization);
console.log(" \n");
*/
/* Check Warnings */ if(isNaN(utilization))
if(glass_config.shared_network_warning_threshold > 0) { utilization = 0;
if (
utilization >= glass_config.shared_network_warning_threshold &&
utilization <= glass_config.shared_network_critical_threshold && /* Initialize these array buckets */
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] == 0 if(typeof alert_status_networks_warning[dhcp_data['shared-networks'][i].location] === "undefined")
)
{
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] = 1;
slack_message(":warning: WARNING: DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_warning_threshold + "%)");
}
else if (
utilization <= glass_config.shared_network_warning_threshold &&
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] == 1
)
{
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] = 0; alert_status_networks_warning[dhcp_data['shared-networks'][i].location] = 0;
slack_message(":white_check_mark: CLEAR: Warning DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_warning_threshold + "%)");
}
}
/* Check Critical */ if(typeof alert_status_networks_critical[dhcp_data['shared-networks'][i].location] === "undefined")
if(glass_config.shared_network_critical_threshold > 0) {
if (
utilization >= glass_config.shared_network_critical_threshold &&
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] == 0
)
{
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] = 1;
slack_message(":fire: CRITICAL: DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_critical_threshold + "%)");
}
else if (
utilization <= glass_config.shared_network_critical_threshold &&
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] == 1
)
{
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] = 0; alert_status_networks_critical[dhcp_data['shared-networks'][i].location] = 0;
slack_message(":white_check_mark: CLEAR: Critical DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_critical_threshold + "%)");
/*
console.log("Location: %s", dhcp_data['shared-networks'][i].location);
console.log("Used: %s", dhcp_data['shared-networks'][i].used.toLocaleString('en'));
console.log("Defined: %s", dhcp_data['shared-networks'][i].defined.toLocaleString('en'));
console.log("Free: %s", dhcp_data['shared-networks'][i].free.toLocaleString('en'));
console.log("Utilization: %s", utilization);
console.log(" \n");
*/
/* Check Warnings */
if(glass_config.shared_network_warning_threshold > 0) {
if (
utilization >= glass_config.shared_network_warning_threshold &&
utilization <= glass_config.shared_network_critical_threshold &&
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] == 0
)
{
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] = 1;
slack_message(":warning: WARNING: DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_warning_threshold + "%)");
}
else if (
utilization <= glass_config.shared_network_warning_threshold &&
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] == 1
)
{
alert_status_networks_warning[dhcp_data['shared-networks'][i].location] = 0;
slack_message(":white_check_mark: CLEAR: Warning DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_warning_threshold + "%)");
}
}
/* Check Critical */
if(glass_config.shared_network_critical_threshold > 0) {
if (
utilization >= glass_config.shared_network_critical_threshold &&
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] == 0
)
{
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] = 1;
slack_message(":fire: CRITICAL: DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_critical_threshold + "%)");
}
else if (
utilization <= glass_config.shared_network_critical_threshold &&
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] == 1
)
{
alert_status_networks_critical[dhcp_data['shared-networks'][i].location] = 0;
slack_message(":white_check_mark: CLEAR: Critical DHCP shared network utilization (" + dhcp_data['shared-networks'][i].location + ") Current: (" + utilization + "%) Threshold: (" + glass_config.shared_network_critical_threshold + "%)");
}
} }
} }
} }
} }, (5 * 1000));
}, (5 * 1000)); }, 60 * 1000);
function round(num, places) { function round(num, places) {
var multiplier = Math.pow(10, places); var multiplier = Math.pow(10, places);