diff --git a/command/graph.go b/command/graph.go index ac59429a4..b127c54b9 100644 --- a/command/graph.go +++ b/command/graph.go @@ -20,6 +20,7 @@ func (c *GraphCommand) Run(args []string) int { var moduleDepth int var verbose bool var drawCycles bool + var graphTypeStr string args = c.Meta.process(args, false) @@ -27,6 +28,7 @@ func (c *GraphCommand) Run(args []string) int { c.addModuleDepthFlag(cmdFlags, &moduleDepth) cmdFlags.BoolVar(&verbose, "verbose", false, "verbose") cmdFlags.BoolVar(&drawCycles, "draw-cycles", false, "draw-cycles") + cmdFlags.StringVar(&graphTypeStr, "type", "", "type") cmdFlags.Usage = func() { c.Ui.Error(c.Help()) } if err := cmdFlags.Parse(args); err != nil { return 1 @@ -48,7 +50,7 @@ func (c *GraphCommand) Run(args []string) int { } } - ctx, _, err := c.Context(contextOpts{ + ctx, planFile, err := c.Context(contextOpts{ Path: path, StatePath: "", }) @@ -57,9 +59,25 @@ func (c *GraphCommand) Run(args []string) int { return 1 } + // Determine the graph type + graphType := terraform.GraphTypePlan + if planFile { + graphType = terraform.GraphTypeApply + } + + if graphTypeStr != "" { + v, ok := terraform.GraphTypeMap[graphTypeStr] + if !ok { + c.Ui.Error(fmt.Sprintf("Invalid graph type requested: %s", graphTypeStr)) + return 1 + } + + graphType = v + } + // Skip validation during graph generation - we want to see the graph even if // it is invalid for some reason. - g, err := ctx.Graph(&terraform.ContextGraphOpts{ + g, err := ctx.Graph(graphType, &terraform.ContextGraphOpts{ Verbose: verbose, Validate: false, }) @@ -87,25 +105,28 @@ func (c *GraphCommand) Help() string { helpText := ` Usage: terraform graph [options] [DIR] - Outputs the visual dependency graph of Terraform resources according to + Outputs the visual execution graph of Terraform resources according to configuration files in DIR (or the current directory if omitted). The graph is outputted in DOT format. The typical program that can read this format is GraphViz, but many web services are also available to read this format. + The -type flag can be used to control the type of graph shown. Terraform + creates different graphs for different operations. See the options below + for the list of types supported. The default type is "plan" if a + configuration is given, and "apply" if a plan file is passed as an + argument. + Options: - -draw-cycles Highlight any cycles in the graph with colored edges. - This helps when diagnosing cycle errors. + -draw-cycles Highlight any cycles in the graph with colored edges. + This helps when diagnosing cycle errors. - -module-depth=n The maximum depth to expand modules. By default this is - -1, which will expand resources within all modules. + -no-color If specified, output won't contain any color. - -verbose Generate a verbose, "worst-case" graph, with all nodes - for potential operations in place. - - -no-color If specified, output won't contain any color. + -type=plan Type of graph to output. Can be: plan, plan-destroy, apply, + legacy. ` return strings.TrimSpace(helpText) diff --git a/command/graph_test.go b/command/graph_test.go index 0139142c0..716218a7a 100644 --- a/command/graph_test.go +++ b/command/graph_test.go @@ -80,6 +80,19 @@ func TestGraph_noArgs(t *testing.T) { func TestGraph_plan(t *testing.T) { planPath := testPlanFile(t, &terraform.Plan{ + Diff: &terraform.Diff{ + Modules: []*terraform.ModuleDiff{ + &terraform.ModuleDiff{ + Path: []string{"root"}, + Resources: map[string]*terraform.InstanceDiff{ + "test_instance.bar": &terraform.InstanceDiff{ + Destroy: true, + }, + }, + }, + }, + }, + Module: testModule(t, "graph"), })