Consultas para a tabela KubeNodeInventory
Para obter informações sobre como usar essas consultas no portal do Azure, consulte o tutorial do Log Analytics. Para a API REST, consulte Consulta.
Porcentagem média de uso da CPU do nó por minuto
Para sua exibição de cluster, porcentagem de uso da CPU do nó avg por minuto na última hora.
// To create an alert for this query, click '+ New alert rule'
//Modify the startDateTime & endDateTime to customize the timerange
let endDateTime = now();
let startDateTime = ago(1h);
let trendBinSize = 1m;
let capacityCounterName = 'cpuCapacityNanoCores';
let usageCounterName = 'cpuUsageNanoCores';
KubeNodeInventory
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
// cluster filter would go here if multiple clusters are reporting to the same Log Analytics workspace
| distinct ClusterName, Computer, _ResourceId
| join hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| where ObjectName == 'K8SNode'
| where CounterName == capacityCounterName
| summarize LimitValue = max(CounterValue) by Computer, CounterName, bin(TimeGenerated, trendBinSize)
| project Computer, CapacityStartTime = TimeGenerated, CapacityEndTime = TimeGenerated + trendBinSize, LimitValue
) on Computer
| join kind=inner hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime + trendBinSize
| where TimeGenerated >= startDateTime - trendBinSize
| where ObjectName == 'K8SNode'
| where CounterName == usageCounterName
| project Computer, UsageValue = CounterValue, TimeGenerated
) on Computer
| where TimeGenerated >= CapacityStartTime and TimeGenerated < CapacityEndTime
| project ClusterName, Computer, TimeGenerated, UsagePercent = UsageValue * 100.0 / LimitValue, _ResourceId
| summarize AggregatedValue = avg(UsagePercent) by bin(TimeGenerated, trendBinSize), ClusterName, _ResourceId
Porcentagem média de uso de memória do nó por minuto
Para sua exibição de cluster, porcentagem de uso de memória do nó médio por minuto na última hora.
// To create an alert for this query, click '+ New alert rule'
let endDateTime = now();
let startDateTime = ago(1h);
let trendBinSize = 1m;
let capacityCounterName = 'memoryCapacityBytes';
let usageCounterName = 'memoryRssBytes';
KubeNodeInventory
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
// cluster filter would go here if multiple clusters are reporting to the same Log Analytics workspace
| distinct ClusterName, Computer, _ResourceId
| join hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| where ObjectName == 'K8SNode'
| where CounterName == capacityCounterName
| summarize LimitValue = max(CounterValue) by Computer, CounterName, bin(TimeGenerated, trendBinSize)
| project Computer, CapacityStartTime = TimeGenerated, CapacityEndTime = TimeGenerated + trendBinSize, LimitValue
) on Computer
| join kind=inner hint.strategy=shuffle (
Perf
| where TimeGenerated < endDateTime + trendBinSize
| where TimeGenerated >= startDateTime - trendBinSize
| where ObjectName == 'K8SNode'
| where CounterName == usageCounterName
| project Computer, UsageValue = CounterValue, TimeGenerated
) on Computer
| where TimeGenerated >= CapacityStartTime and TimeGenerated < CapacityEndTime
| project ClusterName, Computer, TimeGenerated, UsagePercent = UsageValue * 100.0 / LimitValue, _ResourceId
| summarize AggregatedValue = avg(UsagePercent) by bin(TimeGenerated, trendBinSize), ClusterName, _ResourceId
Status de prontidão por nó
Para todos os seus clusters, conte a contagem de todos os nós por prontidão.
// To create an alert for this query, click '+ New alert rule'
//Customize startDateTime, endDateTime to select custom time range
let endDateTime = now();
let startDateTime = ago(1h);
let trendBinSize = 1m;
KubeNodeInventory
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| distinct ClusterName, Computer, _ResourceId,TimeGenerated
| summarize ClusterSnapshotCount = count() by bin(TimeGenerated, trendBinSize), ClusterName, Computer, _ResourceId
| join hint.strategy=broadcast kind=inner (
KubeNodeInventory //this calculating ready node count.
| where TimeGenerated < endDateTime
| where TimeGenerated >= startDateTime
| summarize TotalCount = count(), ReadyCount = sumif(1, Status contains ('Ready'))
by ClusterName, Computer, bin(TimeGenerated, trendBinSize), _ResourceId //calculating NotReadyCount
| extend NotReadyCount = TotalCount - ReadyCount
) on ClusterName, Computer, _ResourceId, TimeGenerated
//projecting all the fields
| project TimeGenerated, ClusterName, Computer, ReadyCount = todouble(ReadyCount) / ClusterSnapshotCount,
NotReadyCount = todouble(NotReadyCount) / ClusterSnapshotCount, _ResourceId
| order by ClusterName asc, Computer asc, TimeGenerated desc, _ResourceId
Localizar em KubeNodeInventory
Encontre em KubeNodeInventory para procurar um valor específico na tabela KubeNodeInventory./nObserve que essa consulta requer a atualização do <parâmetro SeachValue> para produzir resultados
// This query requires a parameter to run. Enter value in SearchValue to find in table.
let SearchValue = "<SearchValue>";//Please update term you would like to find in the table.
KubeNodeInventory
| where * contains tostring(SearchValue)
| take 1000