Golang Graph.Nodes方法代码示例

func AddAllRequestedServiceAccountEdges(g osgraph.Graph) {
	for _, node := range g.Nodes() {
		if podSpecNode, ok := node.(*kubegraph.PodSpecNode); ok {
			AddRequestedServiceAccountEdges(g, podSpecNode)
		}
	}
}

func AddAllMountableSecretEdges(g osgraph.Graph) {
	for _, node := range g.Nodes() {
		if saNode, ok := node.(*kubegraph.ServiceAccountNode); ok {
			AddMountableSecretEdges(g, saNode)
		}
	}
}

func AddAllMountedSecretEdges(g osgraph.Graph) {
	for _, node := range g.Nodes() {
		if podSpecNode, ok := node.(*kubegraph.PodSpecNode); ok {
			AddMountedSecretEdges(g, podSpecNode)
		}
	}
}

func AddAllVolumeClaimEdges(g osgraph.Graph) {
	for _, node := range g.Nodes() {
		if dcNode, ok := node.(*deploygraph.DeploymentConfigNode); ok {
			AddVolumeClaimEdges(g, dcNode)
		}
	}
}

// calculatePrunableImageComponents returns the list of prunable image components.
func calculatePrunableImageComponents(g graph.Graph) []*imagegraph.ImageComponentNode {
	components := []*imagegraph.ImageComponentNode{}
	nodes := g.Nodes()

	for i := range nodes {
		cn, ok := nodes[i].(*imagegraph.ImageComponentNode)
		if !ok {
			continue
		}

		glog.V(4).Infof("Examining %v", cn)
		if imageComponentIsPrunable(g, cn) {
			glog.V(4).Infof("%v is prunable", cn)
			components = append(components, cn)
		}
	}

	return components
}

// calculatePrunableLayers returns the list of prunable layers.
func calculatePrunableLayers(g graph.Graph) []*imagegraph.ImageLayerNode {
	prunable := []*imagegraph.ImageLayerNode{}

	nodes := g.Nodes()
	for i := range nodes {
		layerNode, ok := nodes[i].(*imagegraph.ImageLayerNode)
		if !ok {
			continue
		}

		glog.V(4).Infof("Examining layer %q", layerNode.Layer)

		if layerIsPrunable(g, layerNode) {
			glog.V(4).Infof("Layer %q is prunable", layerNode.Layer)
			prunable = append(prunable, layerNode)
		}
	}

	return prunable
}

func markParentsInGraph(g graph.Graph) {
	imageNodes := getImageNodes(g.Nodes())
	for _, in := range imageNodes {
		// find image's top layer, should be just one
		for _, e := range g.OutboundEdges(in, ImageTopLayerEdgeKind) {
			layerNode, _ := e.To().(*imagegraph.ImageLayerNode)
			// find image's containing this layer but not being their top layer
			for _, ed := range g.InboundEdges(layerNode, ImageLayerEdgeKind) {
				childNode, _ := ed.From().(*imagegraph.ImageNode)
				if in.ID() == childNode.ID() {
					// don't add self edge, otherwise gonum/graph will panic
					continue
				}
				g.AddEdge(in, childNode, ParentImageEdgeKind)
			}
			// TODO: Find image's containing THIS layer being their top layer,
			// this happens when image contents is not being changed.

			// TODO: If two layers have exactly the same contents the current
			// mechanism might trip over that as well. We should check for
			// a series of layers when checking for parents.
		}
	}
}