@aws/pdk
Version:
All documentation is located at: https://aws.github.io/aws-pdk
268 lines • 35.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildDiagram = buildDiagram;
/*! Copyright [Amazon.com](http://amazon.com/), Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0 */
const aws_arch_1 = require("../../../aws-arch");
const cdk_graph_1 = require("../../../cdk-graph");
const uniqBy = require("lodash.uniqby"); // eslint-disable-line @typescript-eslint/no-require-imports
const Diagram = require("./entities");
const entities_1 = require("./entities");
const theme_1 = require("./theme");
const debug_1 = require("../debug");
/**
* EdgeResolver class resolves edges within a diagram for rendering
* @internal
*/
class EdgeResolver {
constructor() {
/** @internal */
this._edges = new Map();
}
/** Adds diagram edge to the resolver to be resolved */
trackEdge(edge) {
let fromId;
let toId;
if (edge instanceof Diagram.Edge) {
fromId = edge.graphEdge.source.uuid;
toId = edge.graphEdge.target.uuid;
}
else {
fromId = edge.from.graphNode.uuid;
toId = edge.to.graphNode.uuid;
}
const key = fromId < toId ? `${fromId}:${toId}` : `${toId}:${fromId}`;
const edgeSet = this._edges.get(key) || [];
this._edges.set(key, edgeSet.concat([edge]));
}
/** Resolve all edges based on diagram options */
resolveEdges(options) {
const compact = options.preset === cdk_graph_1.FilterPreset.COMPACT;
const resolvedEdges = [];
for (let edges of this._edges.values()) {
if (compact) {
edges = edges.filter((edge) => !edge.isVerbose);
}
if (edges.length === 0) {
continue;
}
edges.sort((a, b) => {
const _a = getEdgeRank(a);
const _b = getEdgeRank(b);
if (_a === _b)
return 0;
if (_a < _b)
return -1;
return 1;
});
edges = uniqBy(edges, getEdgeRank);
// only return highest ranked edge unless verbose
if (compact) {
resolvedEdges.push(edges[0]);
continue;
}
for (const _edge1 of edges) {
for (const _edge2 of edges) {
if (_edge1 === _edge2)
continue;
const _id1 = _edge1.attributes.get("id");
const _id2 = _edge2.attributes.get("id");
let _sameHead1 = _edge1.attributes.get("samehead");
_edge1.attributes.set("samehead", !_sameHead1 ? _id2 : `${_sameHead1},${_id2}`);
let _sameTail1 = _edge1.attributes.get("sametail");
_edge1.attributes.set("sametail", !_sameTail1 ? _id2 : `${_sameTail1},${_id2}`);
let _sameHead2 = _edge2.attributes.get("samehead");
_edge2.attributes.set("samehead", !_sameHead2 ? _id1 : `${_sameHead2},${_id1}`);
let _sameTail2 = _edge2.attributes.get("sametail");
_edge2.attributes.set("sametail", !_sameTail2 ? _id1 : `${_sameTail2},${_id1}`);
}
}
resolvedEdges.push(...edges);
}
return resolvedEdges;
}
}
/**
* Build a {@link Diagram.Diagram Diagram} for a given {@link Graph.Store} based on {@link DiagramOptions Options}
* @internal
*/
function buildDiagram(store, options) {
const { title, nodePositions } = options;
const edgeResolve = new EdgeResolver();
theme_1.GraphTheme.init(options.theme);
const entities = new Map();
const diagram = new Diagram.Diagram(title, aws_arch_1.AwsArchitecture.assetDirectory);
function visit(gNode, parent) {
if (gNode.isDestroyed)
return;
let entity;
switch (gNode.nodeType) {
case cdk_graph_1.NodeTypeEnum.RESOURCE: {
entity = new Diagram.ResourceNode(gNode);
break;
}
case cdk_graph_1.NodeTypeEnum.CFN_RESOURCE: {
entity = new Diagram.CfnResourceNode(gNode);
break;
}
case cdk_graph_1.NodeTypeEnum.NESTED_STACK: {
entity = new Diagram.NestedStackCluster(gNode);
break;
}
case cdk_graph_1.NodeTypeEnum.STACK: {
if (theme_1.GraphTheme.instance.rendering.stack &&
new RegExp(theme_1.GraphTheme.instance.rendering.stack).test(gNode.id) ===
false) {
// Ignore non-matching root stacks
return;
}
entity = new Diagram.StackCluster(gNode);
break;
}
default: {
if (gNode.isLeaf) {
if (gNode.hasFlag(cdk_graph_1.FlagEnum.CUSTOM_RESOURCE)) {
entity = new Diagram.CustomResourceNode(gNode);
}
else {
entity = new Diagram.Node(gNode);
}
}
else {
entity = new Diagram.Cluster(gNode);
gNode.addFlag(cdk_graph_1.FlagEnum.CLUSTER);
}
break;
}
}
if (nodePositions && entity instanceof Diagram.Node) {
if (entity.graphNode.id in nodePositions) {
entity.position = nodePositions[entity.graphNode.id];
}
}
if (entity instanceof entities_1.ImageNode && entity.image) {
diagram.trackImage(entity.image);
}
if (parent instanceof Diagram.Container && parent.linkChildren) {
edgeResolve.trackEdge(new entities_1.ChildLink(parent, entity));
}
if (gNode.isLeaf) {
entities.set(gNode.uuid, entity);
parent.addNode(entity);
}
else {
if (entity instanceof Diagram.Node) {
entity = asContainer(entity);
}
parent.addSubgraph(entity);
entities.set(gNode.uuid, entity);
gNode.children.forEach((child) => visit(child, entity));
}
}
if (store.stages.length > 1) {
const stageRendering = theme_1.GraphTheme.instance.rendering.stage || "last";
let stages;
switch (stageRendering) {
case "all": {
stages = store.stages;
break;
}
case "first": {
stages = store.stages.slice(0, 1);
break;
}
case "last": {
stages = store.stages.slice(-1);
break;
}
default: {
stages = store.stages.filter((stage) => stage.id.match(stageRendering));
}
}
// traverse all stages
stages.forEach((gStage) => {
const dStage = new Diagram.StageCluster(gStage);
diagram.addSubgraph(dStage);
entities.set(gStage.uuid, dStage);
gStage.children.forEach((child) => visit(child, dStage));
});
}
else if (store.rootStacks.length) {
// traverse all root stack
store.rootStacks.forEach((gStack) => {
const dStack = new Diagram.StackCluster(gStack);
diagram.addSubgraph(dStack);
entities.set(gStack.uuid, dStack);
gStack.children.forEach((child) => visit(child, dStack));
});
}
else {
store.root.children.forEach((gChild) => {
if (gChild.isGraphContainer) {
gChild.children.forEach((_gChild) => {
visit(_gChild, diagram);
});
}
else {
visit(gChild, diagram);
}
});
}
// apply all edges
store.edges.forEach((gEdge) => {
if (gEdge.isDestroyed)
return;
const dSource = entities.get(gEdge.source.uuid);
const dTarget = entities.get(gEdge.target.uuid);
if (!dSource || !dTarget) {
debug_1.IS_DEBUG &&
console.warn("Diagram.Edge unresolved source and/or target:", `source(${gEdge.source} => ${dSource})`, `target(${gEdge.target} => ${dTarget})`);
return;
}
let edge = undefined;
switch (gEdge.edgeType) {
case cdk_graph_1.EdgeTypeEnum.REFERENCE: {
edge = new Diagram.ReferenceLink(gEdge, dSource, dTarget);
break;
}
case cdk_graph_1.EdgeTypeEnum.DEPENDENCY: {
edge = new Diagram.DependencyLink(gEdge, dSource, dTarget);
break;
}
}
if (edge) {
entities.set(gEdge.uuid, edge);
edgeResolve.trackEdge(edge);
}
});
edgeResolve.resolveEdges(options).forEach((edge) => {
diagram.addEdge(edge);
});
return diagram;
}
/**
* Wrap a {@link Diagram.Node} with {@link Diagram.Container} to support adding child {@link Diagram.Node}s
* @internal
*/
function asContainer(node) {
const container = new Diagram.Container(node.graphNode);
container.addNode(node);
return container;
}
/**
* Get the rank score of an {@link Diagram.BaseEdge Edge} used to sort and prioritize edges
* @internal
*/
function getEdgeRank(edge) {
if (edge instanceof Diagram.ChildLink) {
return 0;
}
if (edge instanceof Diagram.ReferenceLink) {
return 1;
}
if (edge instanceof Diagram.DependencyLink) {
return 2;
}
return 3;
}
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Copyright [Amazon.com](http://amazon.com/), Inc. or its affiliates. All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0 */\nimport { AwsArchitecture } from \"@aws/aws-arch\";\nimport {\n  EdgeTypeEnum,\n  FilterPreset,\n  FlagEnum,\n  Graph,\n  NodeTypeEnum,\n  UUID,\n} from \"@aws/cdk-graph\";\nimport uniqBy = require(\"lodash.uniqby\"); // eslint-disable-line @typescript-eslint/no-require-imports\nimport * as Dot from \"ts-graphviz\";\nimport * as Diagram from \"./entities\";\nimport { ChildLink, ImageNode } from \"./entities\";\nimport { GraphTheme, GraphThemeConfigProp } from \"./theme\";\nimport { INodePosition } from \"../../config\";\nimport { IS_DEBUG } from \"../debug\";\n\n/**\n * Union of entities support by diagram\n * @internal\n */\ntype TDiagramEntity = Diagram.Subgraph | Diagram.Node | Diagram.Edge;\n\n/** Options for diagrams */\nexport interface DiagramOptions {\n  readonly title: string;\n  readonly preset?: FilterPreset;\n  readonly theme?: GraphThemeConfigProp;\n  readonly nodePositions?: { [cdkConstructId: string]: INodePosition };\n}\n\n/**\n * EdgeResolver class resolves edges within a diagram for rendering\n * @internal\n */\nclass EdgeResolver {\n  /** @internal */\n  private readonly _edges: Map<string, Diagram.BaseEdge[]> = new Map();\n\n  /** Adds diagram edge to the resolver to be resolved */\n  trackEdge(edge: Diagram.BaseEdge): void {\n    let fromId: string;\n    let toId: string;\n    if (edge instanceof Diagram.Edge) {\n      fromId = edge.graphEdge.source.uuid;\n      toId = edge.graphEdge.target.uuid;\n    } else {\n      fromId = edge.from.graphNode.uuid;\n      toId = edge.to.graphNode.uuid;\n    }\n    const key = fromId < toId ? `${fromId}:${toId}` : `${toId}:${fromId}`;\n    const edgeSet = this._edges.get(key) || [];\n    this._edges.set(key, edgeSet.concat([edge]));\n  }\n\n  /** Resolve all edges based on diagram options */\n  resolveEdges(options: DiagramOptions): Dot.Edge[] {\n    const compact = options.preset === FilterPreset.COMPACT;\n\n    const resolvedEdges: Dot.Edge[] = [];\n    for (let edges of this._edges.values()) {\n      if (compact) {\n        edges = edges.filter((edge) => !edge.isVerbose);\n      }\n\n      if (edges.length === 0) {\n        continue;\n      }\n\n      edges.sort((a, b) => {\n        const _a = getEdgeRank(a);\n        const _b = getEdgeRank(b);\n        if (_a === _b) return 0;\n        if (_a < _b) return -1;\n        return 1;\n      });\n\n      edges = uniqBy(edges, getEdgeRank);\n\n      // only return highest ranked edge unless verbose\n      if (compact) {\n        resolvedEdges.push(edges[0]);\n        continue;\n      }\n\n      for (const _edge1 of edges) {\n        for (const _edge2 of edges) {\n          if (_edge1 === _edge2) continue;\n\n          const _id1 = _edge1.attributes.get(\"id\")!;\n          const _id2 = _edge2.attributes.get(\"id\")!;\n\n          let _sameHead1 = _edge1.attributes.get(\"samehead\") as string;\n          _edge1.attributes.set(\n            \"samehead\",\n            !_sameHead1 ? _id2 : `${_sameHead1},${_id2}`\n          );\n          let _sameTail1 = _edge1.attributes.get(\"sametail\") as string;\n          _edge1.attributes.set(\n            \"sametail\",\n            !_sameTail1 ? _id2 : `${_sameTail1},${_id2}`\n          );\n\n          let _sameHead2 = _edge2.attributes.get(\"samehead\") as string;\n          _edge2.attributes.set(\n            \"samehead\",\n            !_sameHead2 ? _id1 : `${_sameHead2},${_id1}`\n          );\n          let _sameTail2 = _edge2.attributes.get(\"sametail\") as string;\n          _edge2.attributes.set(\n            \"sametail\",\n            !_sameTail2 ? _id1 : `${_sameTail2},${_id1}`\n          );\n        }\n      }\n\n      resolvedEdges.push(...edges);\n    }\n\n    return resolvedEdges;\n  }\n}\n\n/**\n * Build a {@link Diagram.Diagram Diagram} for a given {@link Graph.Store} based on {@link DiagramOptions Options}\n * @internal\n */\nexport function buildDiagram(\n  store: Graph.Store,\n  options: DiagramOptions\n): Diagram.Diagram {\n  const { title, nodePositions } = options;\n\n  const edgeResolve = new EdgeResolver();\n\n  GraphTheme.init(options.theme);\n\n  const entities: Map<UUID, TDiagramEntity> = new Map();\n  const diagram = new Diagram.Diagram(title, AwsArchitecture.assetDirectory);\n\n  function visit(\n    gNode: Graph.Node,\n    parent: Diagram.Subgraph | Diagram.Diagram\n  ) {\n    if (gNode.isDestroyed) return;\n\n    let entity: Diagram.Container | Diagram.Node;\n\n    switch (gNode.nodeType) {\n      case NodeTypeEnum.RESOURCE: {\n        entity = new Diagram.ResourceNode(gNode as Graph.ResourceNode);\n        break;\n      }\n      case NodeTypeEnum.CFN_RESOURCE: {\n        entity = new Diagram.CfnResourceNode(gNode as Graph.CfnResourceNode);\n        break;\n      }\n      case NodeTypeEnum.NESTED_STACK: {\n        entity = new Diagram.NestedStackCluster(gNode as Graph.NestedStackNode);\n        break;\n      }\n      case NodeTypeEnum.STACK: {\n        if (\n          GraphTheme.instance.rendering.stack &&\n          new RegExp(GraphTheme.instance.rendering.stack).test(gNode.id) ===\n            false\n        ) {\n          // Ignore non-matching root stacks\n          return;\n        }\n        entity = new Diagram.StackCluster(gNode as Graph.StackNode);\n        break;\n      }\n      default: {\n        if (gNode.isLeaf) {\n          if (gNode.hasFlag(FlagEnum.CUSTOM_RESOURCE)) {\n            entity = new Diagram.CustomResourceNode(gNode);\n          } else {\n            entity = new Diagram.Node(gNode);\n          }\n        } else {\n          entity = new Diagram.Cluster(gNode);\n          gNode.addFlag(FlagEnum.CLUSTER);\n        }\n        break;\n      }\n    }\n\n    if (nodePositions && entity instanceof Diagram.Node) {\n      if (entity.graphNode.id in nodePositions) {\n        entity.position = nodePositions[entity.graphNode.id]!;\n      }\n    }\n\n    if (entity instanceof ImageNode && entity.image) {\n      diagram.trackImage(entity.image);\n    }\n\n    if (parent instanceof Diagram.Container && parent.linkChildren) {\n      edgeResolve.trackEdge(new ChildLink(parent, entity));\n    }\n\n    if (gNode.isLeaf) {\n      entities.set(gNode.uuid, entity);\n      parent.addNode(entity as Diagram.Node);\n    } else {\n      if (entity instanceof Diagram.Node) {\n        entity = asContainer(entity);\n      }\n\n      parent.addSubgraph(entity as Diagram.Container);\n\n      entities.set(gNode.uuid, entity);\n\n      gNode.children.forEach((child) =>\n        visit(child, entity as Diagram.Container)\n      );\n    }\n  }\n\n  if (store.stages.length > 1) {\n    const stageRendering = GraphTheme.instance.rendering.stage || \"last\";\n    let stages: Graph.StageNode[];\n    switch (stageRendering) {\n      case \"all\": {\n        stages = store.stages;\n        break;\n      }\n      case \"first\": {\n        stages = store.stages.slice(0, 1);\n        break;\n      }\n      case \"last\": {\n        stages = store.stages.slice(-1);\n        break;\n      }\n      default: {\n        stages = store.stages.filter((stage) => stage.id.match(stageRendering));\n      }\n    }\n    // traverse all stages\n    stages.forEach((gStage) => {\n      const dStage = new Diagram.StageCluster(gStage);\n      diagram.addSubgraph(dStage);\n      entities.set(gStage.uuid, dStage);\n      gStage.children.forEach((child) => visit(child, dStage));\n    });\n  } else if (store.rootStacks.length) {\n    // traverse all root stack\n    store.rootStacks.forEach((gStack) => {\n      const dStack = new Diagram.StackCluster(gStack);\n      diagram.addSubgraph(dStack);\n      entities.set(gStack.uuid, dStack);\n      gStack.children.forEach((child) => visit(child, dStack));\n    });\n  } else {\n    store.root.children.forEach((gChild) => {\n      if (gChild.isGraphContainer) {\n        gChild.children.forEach((_gChild) => {\n          visit(_gChild, diagram);\n        });\n      } else {\n        visit(gChild, diagram);\n      }\n    });\n  }\n\n  // apply all edges\n  store.edges.forEach((gEdge) => {\n    if (gEdge.isDestroyed) return;\n\n    const dSource = entities.get(gEdge.source.uuid) as\n      | Diagram.Container\n      | Diagram.Node;\n    const dTarget = entities.get(gEdge.target.uuid) as\n      | Diagram.Container\n      | Diagram.Node;\n\n    if (!dSource || !dTarget) {\n      IS_DEBUG &&\n        console.warn(\n          \"Diagram.Edge unresolved source and/or target:\",\n          `source(${gEdge.source} => ${dSource})`,\n          `target(${gEdge.target} => ${dTarget})`\n        );\n      return;\n    }\n\n    let edge: Diagram.Edge | undefined = undefined;\n\n    switch (gEdge.edgeType) {\n      case EdgeTypeEnum.REFERENCE: {\n        edge = new Diagram.ReferenceLink(gEdge, dSource, dTarget);\n        break;\n      }\n      case EdgeTypeEnum.DEPENDENCY: {\n        edge = new Diagram.DependencyLink(gEdge, dSource, dTarget);\n        break;\n      }\n    }\n\n    if (edge) {\n      entities.set(gEdge.uuid, edge);\n      edgeResolve.trackEdge(edge);\n    }\n  });\n\n  edgeResolve.resolveEdges(options).forEach((edge) => {\n    diagram.addEdge(edge);\n  });\n\n  return diagram;\n}\n\n/**\n * Wrap a {@link Diagram.Node} with {@link Diagram.Container} to support adding child {@link Diagram.Node}s\n * @internal\n */\nfunction asContainer(node: Diagram.Node): Diagram.Container {\n  const container = new Diagram.Container(node.graphNode);\n  container.addNode(node);\n  return container;\n}\n\n/**\n * Get the rank score of an {@link Diagram.BaseEdge Edge} used to sort and prioritize edges\n * @internal\n */\nfunction getEdgeRank(edge: Diagram.BaseEdge): number {\n  if (edge instanceof Diagram.ChildLink) {\n    return 0;\n  }\n  if (edge instanceof Diagram.ReferenceLink) {\n    return 1;\n  }\n  if (edge instanceof Diagram.DependencyLink) {\n    return 2;\n  }\n  return 3;\n}\n"]}