4ac20ffc2b
add service mesh metrics remove unused circle yaml fix travis misconfiguration fix travis misconfiguration fix travis misconfiguration
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
package appender
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import (
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"github.com/kiali/kiali/business"
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"github.com/kiali/kiali/config"
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"github.com/kiali/kiali/graph"
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)
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const SidecarsCheckAppenderName = "sidecarsCheck"
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// SidecarsCheckAppender flags nodes whose backing workloads are missing at least one Envoy sidecar. Note that
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// a node with no backing workloads is not flagged.
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// Name: sidecarsCheck
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type SidecarsCheckAppender struct{}
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// Name implements Appender
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func (a SidecarsCheckAppender) Name() string {
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return SidecarsCheckAppenderName
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}
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// AppendGraph implements Appender
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func (a SidecarsCheckAppender) AppendGraph(trafficMap graph.TrafficMap, globalInfo *GlobalInfo, namespaceInfo *NamespaceInfo) {
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if len(trafficMap) == 0 {
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return
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}
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if globalInfo.Business == nil {
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var err error
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globalInfo.Business, err = business.Get()
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graph.CheckError(err)
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}
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if namespaceInfo.WorkloadList == nil {
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workloadList, err := globalInfo.Business.Workload.GetWorkloadList(namespaceInfo.Namespace)
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graph.CheckError(err)
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namespaceInfo.WorkloadList = &workloadList
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}
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a.applySidecarsChecks(trafficMap, namespaceInfo)
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}
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func (a *SidecarsCheckAppender) applySidecarsChecks(trafficMap graph.TrafficMap, namespaceInfo *NamespaceInfo) {
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cfg := config.Get()
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istioNamespace := cfg.IstioNamespace
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workloadList := namespaceInfo.WorkloadList
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for _, n := range trafficMap {
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// Skip the check if this node is outside the requested namespace, we limit badging to the requested namespaces
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if n.Namespace != namespaceInfo.Namespace {
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continue
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}
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// We whitelist istio components because they may not report telemetry using injected sidecars.
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if n.Namespace == istioNamespace {
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continue
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}
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// dead nodes tell no tales (er, have no pods)
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if isDead, ok := n.Metadata["isDead"]; ok && isDead.(bool) {
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continue
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}
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// get the workloads for the node and check to see if they have sidecars. Note that
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// if there are no workloads/pods we don't flag it as missing sidecars. No pods means
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// no missing sidecars. (In most cases this means it was flagged as dead, and handled above)
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hasIstioSidecar := true
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switch n.NodeType {
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case graph.NodeTypeWorkload:
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if workload, found := getWorkload(n.Workload, workloadList); found {
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hasIstioSidecar = workload.IstioSidecar
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}
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case graph.NodeTypeApp:
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workloads := getAppWorkloads(n.App, n.Version, workloadList)
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if len(workloads) > 0 {
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for _, workload := range workloads {
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if !workload.IstioSidecar {
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hasIstioSidecar = false
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break
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}
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}
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}
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default:
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continue
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}
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if !hasIstioSidecar {
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n.Metadata["hasMissingSC"] = true
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}
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}
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}
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