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agent_status.ts
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agent_status.ts
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0; you may not use this file except in compliance with the Elastic License
* 2.0.
*/
import { AGENT_POLLING_THRESHOLD_MS } from '../constants';
import type { Agent, AgentStatus, FleetServerAgent } from '../types';
const offlineTimeoutIntervalCount = 10; // 30s*10 = 5m timeout
export function getAgentStatus(agent: Agent | FleetServerAgent): AgentStatus {
const { last_checkin: lastCheckIn } = agent;
if (!agent.active) {
return 'inactive';
}
if (agent.unenrollment_started_at && !agent.unenrolled_at) {
return 'unenrolling';
}
if (!agent.last_checkin) {
return 'enrolling';
}
const msLastCheckIn = new Date(lastCheckIn || 0).getTime();
const msSinceLastCheckIn = new Date().getTime() - msLastCheckIn;
const intervalsSinceLastCheckIn = Math.floor(msSinceLastCheckIn / AGENT_POLLING_THRESHOLD_MS);
if (agent.last_checkin_status === 'error') {
return 'error';
}
if (agent.last_checkin_status === 'degraded') {
return 'degraded';
}
const policyRevision =
'policy_revision' in agent
? agent.policy_revision
: 'policy_revision_idx' in agent
? agent.policy_revision_idx
: undefined;
if (!policyRevision || (agent.upgrade_started_at && !agent.upgraded_at)) {
return 'updating';
}
if (intervalsSinceLastCheckIn >= offlineTimeoutIntervalCount) {
return 'offline';
}
return 'online';
}
export function buildKueryForEnrollingAgents(path: string = '') {
return `not (${path}last_checkin:*)`;
}
export function buildKueryForUnenrollingAgents(path: string = '') {
return `${path}unenrollment_started_at:*`;
}
export function buildKueryForOnlineAgents(path: string = '') {
return `not (${buildKueryForOfflineAgents(path)}) AND not (${buildKueryForErrorAgents(
path
)}) AND not (${buildKueryForUpdatingAgents(path)})`;
}
export function buildKueryForErrorAgents(path: string = '') {
return `(${path}last_checkin_status:error or ${path}last_checkin_status:degraded) AND not (${buildKueryForUpdatingAgents(
path
)})`;
}
export function buildKueryForOfflineAgents(path: string = '') {
return `${path}last_checkin < now-${
(offlineTimeoutIntervalCount * AGENT_POLLING_THRESHOLD_MS) / 1000
}s AND not (${buildKueryForErrorAgents(path)}) AND not ( ${buildKueryForUpdatingAgents(path)} )`;
}
export function buildKueryForUpgradingAgents(path: string = '') {
return `(${path}upgrade_started_at:*) and not (${path}upgraded_at:*)`;
}
export function buildKueryForUpdatingAgents(path: string = '') {
return `(${buildKueryForUpgradingAgents(path)}) or (${buildKueryForEnrollingAgents(
path
)}) or (${buildKueryForUnenrollingAgents(path)}) or (not ${path}policy_revision_idx:*)`;
}
export function buildKueryForInactiveAgents(path: string = '') {
return `${path}active:false`;
}