Graph REST API #116

2026-06-03 05:00:56 +00:00 · 2015-01-12 10:26:36 +01:00
parent 98ca0cdf33
commit 38cb6bd133
4 changed files with 186 additions and 117 deletions
@@ -0,0 +1,121 @@
+package graph
+
+import (
+	"code.google.com/p/gographviz"
+	"fmt"
+	"strings"
+	"github.com/smira/aptly/context"
+	"github.com/smira/aptly/deb"
+)
+
+func BuildGraph(context *context.AptlyContext) (gographviz.Interface, error) {
+	var err error
+
+	graph := gographviz.NewEscape()
+	graph.SetDir(true)
+	graph.SetName("aptly")
+
+	existingNodes := map[string]bool{}
+
+	err = context.CollectionFactory().RemoteRepoCollection().ForEach(func(repo *deb.RemoteRepo) error {
+		err := context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return err
+		}
+
+		graph.AddNode("aptly", repo.UUID, map[string]string{
+			"shape":     "Mrecord",
+			"style":     "filled",
+			"fillcolor": "darkgoldenrod1",
+			"label": fmt.Sprintf("{Mirror %s|url: %s|dist: %s|comp: %s|arch: %s|pkgs: %d}",
+				repo.Name, repo.ArchiveRoot, repo.Distribution, strings.Join(repo.Components, ", "),
+				strings.Join(repo.Architectures, ", "), repo.NumPackages()),
+		})
+		existingNodes[repo.UUID] = true
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().ForEach(func(repo *deb.LocalRepo) error {
+		err := context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return err
+		}
+
+		graph.AddNode("aptly", repo.UUID, map[string]string{
+			"shape":     "Mrecord",
+			"style":     "filled",
+			"fillcolor": "mediumseagreen",
+			"label": fmt.Sprintf("{Repo %s|comment: %s|pkgs: %d}",
+				repo.Name, repo.Comment, repo.NumPackages()),
+		})
+		existingNodes[repo.UUID] = true
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	context.CollectionFactory().SnapshotCollection().ForEach(func(snapshot *deb.Snapshot) error {
+		existingNodes[snapshot.UUID] = true
+		return nil
+	})
+
+	err = context.CollectionFactory().SnapshotCollection().ForEach(func(snapshot *deb.Snapshot) error {
+		err := context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+		if err != nil {
+			return err
+		}
+
+		description := snapshot.Description
+		if snapshot.SourceKind == "repo" {
+			description = "Snapshot from repo"
+		}
+
+		graph.AddNode("aptly", snapshot.UUID, map[string]string{
+			"shape":     "Mrecord",
+			"style":     "filled",
+			"fillcolor": "cadetblue1",
+			"label":     fmt.Sprintf("{Snapshot %s|%s|pkgs: %d}", snapshot.Name, description, snapshot.NumPackages()),
+		})
+
+		if snapshot.SourceKind == "repo" || snapshot.SourceKind == "local" || snapshot.SourceKind == "snapshot" {
+			for _, uuid := range snapshot.SourceIDs {
+				_, exists := existingNodes[uuid]
+				if exists {
+					graph.AddEdge(uuid, snapshot.UUID, true, nil)
+				}
+			}
+		}
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	context.CollectionFactory().PublishedRepoCollection().ForEach(func(repo *deb.PublishedRepo) error {
+		graph.AddNode("aptly", repo.UUID, map[string]string{
+			"shape":     "Mrecord",
+			"style":     "filled",
+			"fillcolor": "darkolivegreen1",
+			"label": fmt.Sprintf("{Published %s/%s|comp: %s|arch: %s}", repo.Prefix, repo.Distribution,
+				strings.Join(repo.Components(), " "), strings.Join(repo.Architectures, ", ")),
+		})
+
+		for _, uuid := range repo.Sources {
+			_, exists := existingNodes[uuid]
+			if exists {
+				graph.AddEdge(uuid, repo.UUID, true, nil)
+			}
+		}
+
+		return nil
+	})
+
+	return graph, nil
+}