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nodes.go
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nodes.go
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package nodes
import (
"github.com/gonum/graph"
kapi "k8s.io/kubernetes/pkg/api"
kapps "k8s.io/kubernetes/pkg/apis/apps"
"k8s.io/kubernetes/pkg/apis/autoscaling"
osgraph "github.com/openshift/origin/pkg/api/graph"
)
func EnsurePodNode(g osgraph.MutableUniqueGraph, pod *kapi.Pod) *PodNode {
podNodeName := PodNodeName(pod)
podNode := osgraph.EnsureUnique(g,
podNodeName,
func(node osgraph.Node) graph.Node {
return &PodNode{node, pod}
},
).(*PodNode)
podSpecNode := EnsurePodSpecNode(g, &pod.Spec, pod.Namespace, podNodeName)
g.AddEdge(podNode, podSpecNode, osgraph.ContainsEdgeKind)
return podNode
}
func EnsurePodSpecNode(g osgraph.MutableUniqueGraph, podSpec *kapi.PodSpec, namespace string, ownerName osgraph.UniqueName) *PodSpecNode {
return osgraph.EnsureUnique(g,
PodSpecNodeName(podSpec, ownerName),
func(node osgraph.Node) graph.Node {
return &PodSpecNode{node, podSpec, namespace, ownerName}
},
).(*PodSpecNode)
}
// EnsureServiceNode adds the provided service to the graph if it does not already exist.
func EnsureServiceNode(g osgraph.MutableUniqueGraph, svc *kapi.Service) *ServiceNode {
return osgraph.EnsureUnique(g,
ServiceNodeName(svc),
func(node osgraph.Node) graph.Node {
return &ServiceNode{node, svc, true}
},
).(*ServiceNode)
}
// FindOrCreateSyntheticServiceNode returns the existing service node or creates a synthetic node in its place
func FindOrCreateSyntheticServiceNode(g osgraph.MutableUniqueGraph, svc *kapi.Service) *ServiceNode {
return osgraph.EnsureUnique(g,
ServiceNodeName(svc),
func(node osgraph.Node) graph.Node {
return &ServiceNode{node, svc, false}
},
).(*ServiceNode)
}
func EnsureServiceAccountNode(g osgraph.MutableUniqueGraph, o *kapi.ServiceAccount) *ServiceAccountNode {
return osgraph.EnsureUnique(g,
ServiceAccountNodeName(o),
func(node osgraph.Node) graph.Node {
return &ServiceAccountNode{node, o, true}
},
).(*ServiceAccountNode)
}
func FindOrCreateSyntheticServiceAccountNode(g osgraph.MutableUniqueGraph, o *kapi.ServiceAccount) *ServiceAccountNode {
return osgraph.EnsureUnique(g,
ServiceAccountNodeName(o),
func(node osgraph.Node) graph.Node {
return &ServiceAccountNode{node, o, false}
},
).(*ServiceAccountNode)
}
func EnsureSecretNode(g osgraph.MutableUniqueGraph, o *kapi.Secret) *SecretNode {
return osgraph.EnsureUnique(g,
SecretNodeName(o),
func(node osgraph.Node) graph.Node {
return &SecretNode{node, o, true}
},
).(*SecretNode)
}
func FindOrCreateSyntheticSecretNode(g osgraph.MutableUniqueGraph, o *kapi.Secret) *SecretNode {
return osgraph.EnsureUnique(g,
SecretNodeName(o),
func(node osgraph.Node) graph.Node {
return &SecretNode{node, o, false}
},
).(*SecretNode)
}
// EnsureReplicationControllerNode adds a graph node for the ReplicationController if it does not already exist.
func EnsureReplicationControllerNode(g osgraph.MutableUniqueGraph, rc *kapi.ReplicationController) *ReplicationControllerNode {
rcNodeName := ReplicationControllerNodeName(rc)
rcNode := osgraph.EnsureUnique(g,
rcNodeName,
func(node osgraph.Node) graph.Node {
return &ReplicationControllerNode{node, rc, true}
},
).(*ReplicationControllerNode)
rcSpecNode := EnsureReplicationControllerSpecNode(g, &rc.Spec, rc.Namespace, rcNodeName)
g.AddEdge(rcNode, rcSpecNode, osgraph.ContainsEdgeKind)
return rcNode
}
func FindOrCreateSyntheticReplicationControllerNode(g osgraph.MutableUniqueGraph, rc *kapi.ReplicationController) *ReplicationControllerNode {
return osgraph.EnsureUnique(g,
ReplicationControllerNodeName(rc),
func(node osgraph.Node) graph.Node {
return &ReplicationControllerNode{node, rc, false}
},
).(*ReplicationControllerNode)
}
func EnsureReplicationControllerSpecNode(g osgraph.MutableUniqueGraph, rcSpec *kapi.ReplicationControllerSpec, namespace string, ownerName osgraph.UniqueName) *ReplicationControllerSpecNode {
rcSpecName := ReplicationControllerSpecNodeName(rcSpec, ownerName)
rcSpecNode := osgraph.EnsureUnique(g,
rcSpecName,
func(node osgraph.Node) graph.Node {
return &ReplicationControllerSpecNode{node, rcSpec, namespace, ownerName}
},
).(*ReplicationControllerSpecNode)
if rcSpec.Template != nil {
ptSpecNode := EnsurePodTemplateSpecNode(g, rcSpec.Template, namespace, rcSpecName)
g.AddEdge(rcSpecNode, ptSpecNode, osgraph.ContainsEdgeKind)
}
return rcSpecNode
}
func EnsurePodTemplateSpecNode(g osgraph.MutableUniqueGraph, ptSpec *kapi.PodTemplateSpec, namespace string, ownerName osgraph.UniqueName) *PodTemplateSpecNode {
ptSpecName := PodTemplateSpecNodeName(ptSpec, ownerName)
ptSpecNode := osgraph.EnsureUnique(g,
ptSpecName,
func(node osgraph.Node) graph.Node {
return &PodTemplateSpecNode{node, ptSpec, namespace, ownerName}
},
).(*PodTemplateSpecNode)
podSpecNode := EnsurePodSpecNode(g, &ptSpec.Spec, namespace, ptSpecName)
g.AddEdge(ptSpecNode, podSpecNode, osgraph.ContainsEdgeKind)
return ptSpecNode
}
func EnsureHorizontalPodAutoscalerNode(g osgraph.MutableUniqueGraph, hpa *autoscaling.HorizontalPodAutoscaler) *HorizontalPodAutoscalerNode {
return osgraph.EnsureUnique(g,
HorizontalPodAutoscalerNodeName(hpa),
func(node osgraph.Node) graph.Node {
return &HorizontalPodAutoscalerNode{Node: node, HorizontalPodAutoscaler: hpa}
},
).(*HorizontalPodAutoscalerNode)
}
func EnsurePetSetNode(g osgraph.MutableUniqueGraph, petset *kapps.PetSet) *PetSetNode {
nodeName := PetSetNodeName(petset)
node := osgraph.EnsureUnique(g,
nodeName,
func(node osgraph.Node) graph.Node {
return &PetSetNode{node, petset}
},
).(*PetSetNode)
specNode := EnsurePetSetSpecNode(g, &petset.Spec, petset.Namespace, nodeName)
g.AddEdge(node, specNode, osgraph.ContainsEdgeKind)
return node
}
func EnsurePetSetSpecNode(g osgraph.MutableUniqueGraph, spec *kapps.PetSetSpec, namespace string, ownerName osgraph.UniqueName) *PetSetSpecNode {
specName := PetSetSpecNodeName(spec, ownerName)
specNode := osgraph.EnsureUnique(g,
specName,
func(node osgraph.Node) graph.Node {
return &PetSetSpecNode{node, spec, namespace, ownerName}
},
).(*PetSetSpecNode)
ptSpecNode := EnsurePodTemplateSpecNode(g, &spec.Template, namespace, specName)
g.AddEdge(specNode, ptSpecNode, osgraph.ContainsEdgeKind)
return specNode
}