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Refactor alert email generation method (#8831)

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Co-authored-by: Henrique Sato <henrique.sato@scclouds.com.br>
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Henrique Sato 2025-03-05 07:03:16 -03:00 committed by GitHub
parent 80b5d5c029
commit a841ed949f
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1 changed files with 67 additions and 93 deletions
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server/src/main/java/com/cloud/alert/AlertManagerImpl.java
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@ -615,107 +615,81 @@ public class AlertManagerImpl extends ManagerBase implements AlertManager, Confi
String msgSubject = null;
String msgContent = null;
String totalStr;
String usedStr;
String pctStr = formatPercent(usedCapacity / totalCapacity);
String percentual = formatPercent(usedCapacity / totalCapacity);
String totalInMB = formatBytesToMegabytes(totalCapacity);
String usedInMB = formatBytesToMegabytes(usedCapacity);
String totalInString = String.valueOf(totalCapacity);
String usedInString = String.valueOf(usedCapacity);
AlertType alertType = null;
Long podId = pod == null ? null : pod.getId();
Long clusterId = cluster == null ? null : cluster.getId();
String clusterName = cluster == null ? null : cluster.getName();
String podName = pod == null ? null : pod.getName();
String dataCenterName = dc.getName();
switch (capacityType) {
//Cluster Level
case Capacity.CAPACITY_TYPE_MEMORY:
msgSubject = "System Alert: Low Available Memory in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "System memory is low, total: " + totalStr + " MB, used: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_MEMORY;
break;
case Capacity.CAPACITY_TYPE_CPU:
msgSubject = "System Alert: Low Unallocated CPU in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = DfWhole.format(totalCapacity);
usedStr = DfWhole.format(usedCapacity);
msgContent = "Unallocated CPU is low, total: " + totalStr + " Mhz, used: " + usedStr + " Mhz (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_CPU;
break;
case Capacity.CAPACITY_TYPE_STORAGE:
msgSubject = "System Alert: Low Available Storage in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Available storage space is low, total: " + totalStr + " MB, used: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_STORAGE;
break;
case Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED:
msgSubject = "System Alert: Remaining unallocated Storage is low in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " +
dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Unallocated storage space is low, total: " + totalStr + " MB, allocated: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_STORAGE_ALLOCATED;
break;
case Capacity.CAPACITY_TYPE_LOCAL_STORAGE:
msgSubject = "System Alert: Remaining unallocated Local Storage is low in cluster " + cluster.getName() + " pod " + pod.getName() + " of availability zone " +
dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Unallocated storage space is low, total: " + totalStr + " MB, allocated: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_LOCAL_STORAGE;
break;
//Pod Level
case Capacity.CAPACITY_TYPE_PRIVATE_IP:
msgSubject = "System Alert: Number of unallocated private IPs is low in pod " + pod.getName() + " of availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated private IPs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_PRIVATE_IP;
break;
//Zone Level
case Capacity.CAPACITY_TYPE_SECONDARY_STORAGE:
msgSubject = "System Alert: Low Available Secondary Storage in availability zone " + dc.getName();
totalStr = formatBytesToMegabytes(totalCapacity);
usedStr = formatBytesToMegabytes(usedCapacity);
msgContent = "Available secondary storage space is low, total: " + totalStr + " MB, used: " + usedStr + " MB (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_SECONDARY_STORAGE;
break;
case Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP:
msgSubject = "System Alert: Number of unallocated virtual network public IPs is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated public IPs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_VIRTUAL_NETWORK_PUBLIC_IP;
break;
case Capacity.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP:
msgSubject = "System Alert: Number of unallocated shared network IPs is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated shared network IPs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_DIRECT_ATTACHED_PUBLIC_IP;
break;
case Capacity.CAPACITY_TYPE_VLAN:
msgSubject = "System Alert: Number of unallocated VLANs is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated VLANs is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_VLAN;
break;
case Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_IPV6_SUBNET:
msgSubject = "System Alert: Number of unallocated virtual network guest IPv6 subnets is low in availability zone " + dc.getName();
totalStr = Double.toString(totalCapacity);
usedStr = Double.toString(usedCapacity);
msgContent = "Number of unallocated virtual network guest IPv6 subnets is low, total: " + totalStr + ", allocated: " + usedStr + " (" + pctStr + "%)";
alertType = AlertManager.AlertType.ALERT_TYPE_VIRTUAL_NETWORK_IPV6_SUBNET;
break;
case Capacity.CAPACITY_TYPE_MEMORY:
msgSubject = String.format("System Alert: Low Available Memory in cluster [%s] pod [%s] of availability zone [%s].", clusterName, podName, dataCenterName);
msgContent = String.format("System memory is low, total: %s MB, used: %s MB (%s%%).", totalInMB, usedInMB, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_MEMORY;
break;
case Capacity.CAPACITY_TYPE_CPU:
msgSubject = String.format("System Alert: Low Unallocated CPU in cluster [%s] pod [%s] of availability zone [%s].", clusterName, podName, dataCenterName);
msgContent = String.format("Unallocated CPU is low, total: %s Mhz, used: %s Mhz (%s%%).", DfWhole.format(totalCapacity), DfWhole.format(usedCapacity), percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_CPU;
break;
case Capacity.CAPACITY_TYPE_STORAGE:
msgSubject = String.format("System Alert: Low Available Storage in cluster [%s] pod [%s] of availability zone [%s].", clusterName, podName, dataCenterName);
msgContent = String.format("Available storage space is low, total: %s MB, used: %s MB (%s%%).", totalInMB, usedInMB, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_STORAGE;
break;
case Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED:
msgSubject = String.format("System Alert: Remaining unallocated Storage is low in cluster [%s] pod [%s] of availability zone [%s].", clusterName, podName,
dataCenterName);
msgContent = String.format("Unallocated storage space is low, total: %s MB, allocated: %s MB (%s%%)", totalInMB, usedInMB, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_STORAGE_ALLOCATED;
break;
case Capacity.CAPACITY_TYPE_LOCAL_STORAGE:
msgSubject = String.format("System Alert: Remaining unallocated Local Storage is low in cluster [%s] pod [%s] of availability zone [%s].", clusterName, podName,
dataCenterName);
msgContent = String.format("Unallocated storage space is low, total: %s MB, allocated: %s MB (%s%%)", totalInMB, usedInMB, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_LOCAL_STORAGE;
break;
case Capacity.CAPACITY_TYPE_PRIVATE_IP:
msgSubject = String.format("System Alert: Number of unallocated private IPs is low in pod %s of availability zone [%s].", podName, dataCenterName);
msgContent = String.format("Number of unallocated private IPs is low, total: %s, allocated: %s (%s%%)", totalInString, usedInString, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_PRIVATE_IP;
break;
case Capacity.CAPACITY_TYPE_SECONDARY_STORAGE:
msgSubject = String.format("System Alert: Low Available Secondary Storage in availability zone [%s].", dataCenterName);
msgContent = String.format("Available secondary storage space is low, total: %s MB, used: %s MB (%s%%).", totalInMB, usedInMB, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_SECONDARY_STORAGE;
break;
case Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP:
msgSubject = String.format("System Alert: Number of unallocated virtual network public IPs is low in availability zone [%s].", dataCenterName);
msgContent = String.format("Number of unallocated public IPs is low, total: %s, allocated: %s (%s%%).", totalInString, usedInString, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_VIRTUAL_NETWORK_PUBLIC_IP;
break;
case Capacity.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP:
msgSubject = String.format("System Alert: Number of unallocated shared network IPs is low in availability zone [%s].", dataCenterName);
msgContent = String.format("Number of unallocated shared network IPs is low, total: %s, allocated: %s (%s%%).", totalInString, usedInString, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_DIRECT_ATTACHED_PUBLIC_IP;
break;
case Capacity.CAPACITY_TYPE_VLAN:
msgSubject = String.format("System Alert: Number of unallocated VLANs is low in availability zone [%s].", dataCenterName);
msgContent = String.format("Number of unallocated VLANs is low, total: %s, allocated: %s (%s%%).", totalInString, usedInString, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_VLAN;
break;
case Capacity.CAPACITY_TYPE_VIRTUAL_NETWORK_IPV6_SUBNET:
msgSubject = String.format("System Alert: Number of unallocated virtual network guest IPv6 subnets is low in availability zone [%s].", dc.getName());
msgContent = String.format("Number of unallocated virtual network guest IPv6 subnets is low, total: [%s], allocated: [%s] (%s%%).", totalInString, usedInString, percentual);
alertType = AlertManager.AlertType.ALERT_TYPE_VIRTUAL_NETWORK_IPV6_SUBNET;
break;
}
try {
if (logger.isDebugEnabled()) {
logger.debug(msgSubject);
logger.debug(msgContent);
}
sendAlert(alertType, dc, pod, cluster, msgSubject, msgContent);
logger.debug("Sending alert with subject [{}] and content [{}].", msgSubject, msgContent);
sendAlert(alertType, dc.getId(), podId, clusterId, msgSubject, msgContent);
} catch (Exception ex) {
logger.error("Exception in CapacityChecker", ex);
}