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https://github.com/weaveworks/scope.git
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b793a9efa8
and add a comment indicating non-memoisation of other, not shared top-level renderers. This memoisation is effective when the browser requests multiple topologies for the same report.
38 lines
987 B
Go
38 lines
987 B
Go
package render
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import (
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"github.com/weaveworks/scope/probe/overlay"
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"github.com/weaveworks/scope/report"
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)
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// WeaveRenderer is a Renderer which produces a renderable weave topology.
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//
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// not memoised
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var WeaveRenderer = MakeMap(
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MapWeaveIdentity,
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SelectOverlay,
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)
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// MapWeaveIdentity maps an overlay topology node to a weave topology node.
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func MapWeaveIdentity(m report.Node, _ report.Networks) report.Nodes {
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peerPrefix, _ := report.ParseOverlayNodeID(m.ID)
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if peerPrefix != report.WeaveOverlayPeerPrefix {
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return nil
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}
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var (
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node = m
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nickname, _ = m.Latest.Lookup(overlay.WeavePeerNickName)
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)
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// Nodes without a host id indicate they are not monitored by Scope
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// (their info doesn't come from a probe monitoring that peer directly)
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// , display them as pseudo nodes.
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if _, ok := node.Latest.Lookup(report.HostNodeID); !ok {
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id := MakePseudoNodeID(UnmanagedID, nickname)
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node = NewDerivedPseudoNode(id, m)
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}
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return report.Nodes{node.ID: node}
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}
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