// Describe returns the output of the graph starting from the provided
// image stream tag (name:tag) in namespace. Namespace is needed here
// because image stream tags with the same name can be found across
// different namespaces.
func (d *ChainDescriber) Describe(ist *imageapi.ImageStreamTag, includeInputImages bool) (string, error) {
g, err := d.MakeGraph()
if err != nil {
return "", err
}
// Retrieve the imageStreamTag node of interest
istNode := g.Find(imagegraph.ImageStreamTagNodeName(ist))
if istNode == nil {
return "", NotFoundErr(fmt.Sprintf("%q", ist.Name))
}
buildInputEdgeKinds := []string{buildedges.BuildTriggerImageEdgeKind}
if includeInputImages {
buildInputEdgeKinds = append(buildInputEdgeKinds, buildedges.BuildInputImageEdgeKind)
}
// Partition down to the subgraph containing the ist of interest
partitioned := partition(g, istNode, buildInputEdgeKinds)
switch strings.ToLower(d.outputFormat) {
case "dot":
data, err := dot.Marshal(partitioned, fmt.Sprintf("%q", ist.Name), "", " ", false)
if err != nil {
return "", err
}
return string(data), nil
case "":
return d.humanReadableOutput(partitioned, istNode), nil
}
return "", fmt.Errorf("unknown specified format %q", d.outputFormat)
}
// Describe returns the output of the graph starting from the provided
// image stream tag (name:tag) in namespace. Namespace is needed here
// because image stream tags with the same name can be found across
// different namespaces.
func (d *ChainDescriber) Describe(ist *imageapi.ImageStreamTag, includeInputImages, reverse bool) (string, error) {
g, err := d.MakeGraph()
if err != nil {
return "", err
}
// Retrieve the imageStreamTag node of interest
istNode := g.Find(imagegraph.ImageStreamTagNodeName(ist))
if istNode == nil {
return "", NotFoundErr(fmt.Sprintf("%q", ist.Name))
}
markers := buildanalysis.FindCircularBuilds(g, d.namer)
if len(markers) > 0 {
for _, marker := range markers {
if strings.Contains(marker.Message, ist.Name) {
return marker.Message, nil
}
}
}
buildInputEdgeKinds := []string{buildedges.BuildTriggerImageEdgeKind}
if includeInputImages {
buildInputEdgeKinds = append(buildInputEdgeKinds, buildedges.BuildInputImageEdgeKind)
}
// Partition down to the subgraph containing the imagestreamtag of interest
var partitioned osgraph.Graph
if reverse {
partitioned = partitionReverse(g, istNode, buildInputEdgeKinds)
} else {
partitioned = partition(g, istNode, buildInputEdgeKinds)
}
switch strings.ToLower(d.outputFormat) {
case "dot":
data, err := dot.Marshal(partitioned, dotutil.Quote(ist.Name), "", " ", false)
if err != nil {
return "", err
}
return string(data), nil
case "":
return d.humanReadableOutput(partitioned, d.namer, istNode, reverse), nil
}
return "", fmt.Errorf("unknown specified format %q", d.outputFormat)
}