Name
sn_agent.AgentUpgradeAjax
Description
No description available
Script
var AgentUpgradeAjax = Class.create();
AgentUpgradeAjax.prototype = Object.extendsObject(global.AbstractAjaxProcessor, {
upgradeRequirements: {
"Linux Red Hat 7": {
"CheckDef": "37c80fb153d181100112ddeeff7b122d",
"MinAgentVersion": "2.7.0"
},
"Linux Red Hat 8": {
"CheckDef": "37c80fb153d181100112ddeeff7b122d",
"MinAgentVersion": "2.7.0"
},
"Linux CentOS 7": {
"CheckDef": "37c80fb153d181100112ddeeff7b122d",
"MinAgentVersion": "2.7.0"
},
"Linux CentOS 8": {
"CheckDef": "37c80fb153d181100112ddeeff7b122d",
"MinAgentVersion": "2.7.0"
},
"Linux SuSE 12": {
"CheckDef": "37c80fb153d181100112ddeeff7b122d",
"MinAgentVersion": "2.7.0"
},
"Linux SuSE 15": {
"CheckDef": "37c80fb153d181100112ddeeff7b122d",
"MinAgentVersion": "2.7.0"
},
"GNU/Linux 9": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"GNU/Linux 10": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"GNU/Linux 11": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"Ubuntu 18": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"Ubuntu 20": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"Ubuntu 21": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"Ubuntu 22": {
"CheckDef": "313c0cce775a0110a36408ed7f5a99ee",
"MinAgentVersion": "2.7.0"
},
"Windows": {
"CheckDef": "5f74fe90533d45100112ddeeff7b1229",
"MinAgentVersion": "2.7.0"
}
},
upgradeAgents: function(agentList) {
var now = this.getLocalCurrentTime();
if (agentList == undefined) { // in case called with Ajax
var agentSysIdList = this.getParameter('sysparm_agentSysIdList');
agentList = agentSysIdList.split(",");
}
var isList = this.getParameter('sysparm_isList');
if (agentList.length == 0)
return this.errorPrefix + "no agent was selected";
/* The reason for the different when handling a form (non-list) is that we can use
gs.addInfoMessage() or gs.addErrorMessage() and the customer will understand
which agent it is refering to.
If multiple agents are used: we will redirect to the sn_agent_upgrade_history
and the user can consume mutliple upgrades in the table.
*/
if (isList && isList.toUpperCase() == "FALSE")
return JSON.stringify(this.upgradeSingleAgent(agentList[0], now));
var rtnObject;
for (var i = 0; i < agentList.length; i++) {
rtnObject = this.upgradeSingleAgent(agentList[i], now);
}
if (agentList.length > 1 || !rtnObject.sequence_id)
rtnObject = {
'upgradeTime': now
};
return JSON.stringify(rtnObject); // everything is OK.
},
upgradeSingleAgent: function(agentSysId, now) {
var agnetCiGr = new GlideRecordSecure('sn_agent_cmdb_ci_agent');
if (!agnetCiGr.get('sys_id', agentSysId))
return this.errorMessage(gs.getMessage("Could not locate agent based on sysid={0}", agentSysId));
var agentId = agnetCiGr.getValue('agent_id');
var agentExtendedInfoGr = new GlideRecordSecure('sn_agent_ci_extended_info');
agentExtendedInfoGr.addQuery('agent_id', agentId);
agentExtendedInfoGr.addQuery('status', '0'); // UP
agentExtendedInfoGr.addQuery('is_duplicate', 0);
agentExtendedInfoGr.query();
if (!agentExtendedInfoGr.next())
return this.errorMessage(gs.getMessage("Could not locate agent based on agent_id={0}", agentId));
// Make sure the history table is ready for inserts.
var msg = "";
var auu = new AgentUpgradeUtil();
auu.prepareTable(agentSysId);
var agentVersion = agentExtendedInfoGr.getValue('agent_version');
var upgradeGuid = auu.startUpgradeSequence(agentSysId, agentVersion, msg);
if (!agentVersion) {
msg = gs.getMessage("Could not deterine agent version for agent with sysid={0}. We got: {1}", [agentSysId, agentVersion]);
return this.errorMessage(msg, true, auu, agentSysId, upgradeGuid);
}
if (!AgentVersionFieldStyle.isAgentVersionLowerThanAccfVersion(agentVersion)) {
msg = gs.getMessage("Agent version is equal to (or higher than) ACC-F version; nothing to upgrade.");
return this.infoSkippedMessage(msg, auu, agentSysId, upgradeGuid);
}
/* Here we make sure that the latest agent is installed.
For example: if the store app version is 2.9.2 and the agent installation version is 2.9.0,
but there is no 2.9.2 version of the agent installation and 2.9.0 is the latest - we should stop.
*/
if (AgentVersionFieldStyle.isLatestAgentVersion(agentVersion)) {
msg = gs.getMessage("Agent has the latest version {0} based on ACC-F version {1}.", [agentVersion, AgentVersionFieldStyle.getAccfVersion()]);
return this.infoSkippedMessage(msg, auu, agentSysId, upgradeGuid);
}
if (!agentExtendedInfoGr.getValue('cmdb_ci')) {
msg = gs.getMessage("Could not locate Agent Host CI reference");
return this.errorMessage(msg, true, auu, agentSysId, upgradeGuid);
}
var computerGr = new GlideRecordSecure('cmdb_ci_computer');
if (!computerGr.get('sys_id', agentExtendedInfoGr.getValue('cmdb_ci'))) {
msg = gs.getMessage("Could not locate Computer with sysid={0}", agentExtendedInfoGr.getValue('cmdb_ci'));
return this.errorMessage(msg, true, auu, agentSysId, upgradeGuid);
}
var os = computerGr.getValue('os');
var version = computerGr.getValue('os_version');
if (version)
version = version.split('.')[0]; // Get the major version.
if (os.indexOf('Windows') > -1)
os = 'Windows';
else
os = os + " " + version;
if (!this.upgradeRequirements[os] || !this.upgradeRequirements[os].CheckDef) {
msg = gs.getMessage("The agent OS version ({0}) is currently not supported.", os);
return this.errorMessage(msg, true, auu, agentSysId, upgradeGuid);
}
if (!this.upgradeRequirements[os].MinAgentVersion || AgentVersionFieldStyle.agentVersionCompareTo(agentVersion, this.upgradeRequirements[os].MinAgentVersion) < 0) {
msg = gs.getMessage("The agent's current version is not the minimum agent version for upgrade. Minimum version for {0} is {1}", [os, this.upgradeRequirements[os].MinAgentVersion]);
return this.errorMessage(msg, true, auu, agentSysId, upgradeGuid);
}
// Making sure agent is still up.
if (agentExtendedInfoGr.getValue('status') != '0') {
msg = gs.getMessage("Agent {0} is not currently up, canceling upgrade.", agentExtendedInfoGr.getValue('name'));
return this.errorMessage(msg, true, auu, agentSysId, upgradeGuid);
}
// Now perform the upgrade
msg = gs.getMessage("Instance validation success. Invoking upgrade on agent.");
auu.updateSequenceStateByStage(agentSysId, upgradeGuid, 'Success', 'InstanceVerification', msg);
// Upgrade
var check = {
"checkDefId": this.upgradeRequirements[os].CheckDef,
"params": {
"upgrade_seq": upgradeGuid
}
};
var agentNow = new sn_agent.AgentNowHandler();
// Must NOT do next for runCheckForCis to function.
agnetCiGr = new GlideRecordSecure('sn_agent_cmdb_ci_agent');
agnetCiGr.addQuery('sys_id', agentSysId);
agnetCiGr.query();
agentNow.runCheckForCis(agnetCiGr, check, '1', 600000); // 10 minutes
msg = gs.getMessage("Starting agent side validations...");
auu.createNewStateForSequence(agentSysId, upgradeGuid, agentVersion, 'AgentVerification', msg);
var rtnObject = {
'sequence_id': upgradeGuid
};
return rtnObject; // everything is OK.
},
errorMessage: function(msg, shouldCreateMessage, auu, agentSysId, upgradeGuid) {
header = AgentUpgradeUtil.error;
if (shouldCreateMessage) {
auu.updateSequenceStateByStage(agentSysId, upgradeGuid, 'Failed', 'InstanceVerification', header + ": " + msg);
}
var rtnObject = {};
rtnObject[header] = msg;
return rtnObject;
},
infoSkippedMessage: function(msg, auu, agentSysId, upgradeGuid) {
header = AgentUpgradeUtil.info;
auu.updateSequenceStateByStage(agentSysId, upgradeGuid, 'Skipped', 'InstanceVerification', header + ": " + msg);
var rtnObject = {};
rtnObject[header] = msg;
return rtnObject;
},
getLocalCurrentTime: function() {
var gnow = new GlideDateTime();
var local = gnow.getLocalTime();
var sDate = gnow.getLocalDate() + " " + local.getHourUTC() + ":" + local.getMinutesUTC() + ":" + local.getSeconds();
return new GlideDateTime(sDate).toString();
},
type: 'AgentUpgradeAjax'
});Sys ID
19ee952f535501100112ddeeff7b120c