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57 changes: 50 additions & 7 deletions
57
deepfence_agent/tools/apache/scope/probe/kubernetes/kubernetes_cluster.go
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,44 +1,87 @@ | ||
package kubernetes | ||
|
||
import ( | ||
"sync" | ||
"time" | ||
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"github.com/deepfence/ThreatMapper/deepfence_utils/log" | ||
"github.com/deepfence/df-utils/cloud_metadata" | ||
"github.com/weaveworks/scope/report" | ||
) | ||
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// KubernetesClusterResource represents a Kubernetes cluster | ||
type KubernetesClusterResource interface { | ||
GetNode() report.TopologyNode | ||
GetTopology() report.Topology | ||
Stop() | ||
} | ||
|
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type kubernetesCluster struct { | ||
cloudProvider string | ||
cloudAccountID string | ||
k8sTopology report.Topology | ||
stopRefresh chan bool | ||
sync.RWMutex | ||
} | ||
|
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// NewKubernetesClusterResource creates a new Cluster node | ||
func NewKubernetesClusterResource() KubernetesClusterResource { | ||
metadata := cloud_metadata.GetCloudMetadata() | ||
return &kubernetesCluster{cloudProvider: metadata.CloudProvider, cloudAccountID: metadata.AccountID} | ||
k8sCluster := kubernetesCluster{stopRefresh: make(chan bool)} | ||
k8sCluster.cacheK8sTopology() | ||
go k8sCluster.refresh() | ||
return &k8sCluster | ||
} | ||
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func (k *kubernetesCluster) Stop() { | ||
k.stopRefresh <- true | ||
} | ||
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func (k *kubernetesCluster) refresh() { | ||
ticker := time.NewTicker(6 * time.Hour) | ||
for { | ||
select { | ||
case <-ticker.C: | ||
k.cacheK8sTopology() | ||
case <-k.stopRefresh: | ||
return | ||
} | ||
} | ||
} | ||
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func (k *kubernetesCluster) cacheK8sTopology() { | ||
k.Lock() | ||
defer k.Unlock() | ||
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k.k8sTopology = report.MakeTopology() | ||
node := k.GetNode() | ||
//cloudProviderNodeId = node.Parents.CloudProvider | ||
k.k8sTopology.AddNode(node) | ||
} | ||
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func (k *kubernetesCluster) GetTopology() report.Topology { | ||
k.RLock() | ||
defer k.RUnlock() | ||
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return k.k8sTopology | ||
} | ||
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func (k *kubernetesCluster) GetNode() report.TopologyNode { | ||
cloudMetadata := cloud_metadata.GetCloudMetadata() | ||
log.Info().Msgf("Cloud metadata: %v", cloudMetadata) | ||
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metadata := report.Metadata{ | ||
Timestamp: time.Now().UTC().Format(time.RFC3339Nano), | ||
NodeID: kubernetesClusterId, | ||
NodeName: kubernetesClusterName, | ||
NodeType: report.KubernetesCluster, | ||
KubernetesClusterId: kubernetesClusterId, | ||
KubernetesClusterName: kubernetesClusterName, | ||
CloudProvider: k.cloudProvider, | ||
CloudProvider: cloudMetadata.CloudProvider, | ||
AgentRunning: true, | ||
CloudAccountID: k.cloudAccountID, | ||
CloudAccountID: cloudMetadata.AccountID, | ||
} | ||
return report.TopologyNode{ | ||
Metadata: metadata, | ||
Parents: &report.Parent{ | ||
CloudProvider: k.cloudProvider, | ||
CloudProvider: cloudMetadata.CloudProvider, | ||
}, | ||
} | ||
} |
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