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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,272 @@ | ||
| package inspect | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "strings" | ||
|
|
||
| "../../images" | ||
| "../../utils" | ||
| "github.com/disiqueira/gotree" | ||
| "github.com/urfave/cli" | ||
| ) | ||
|
|
||
| func parentsCommand() cli.Command { | ||
| return cli.Command{ | ||
| Name: "parents", | ||
| Usage: "The parents (inherited images) of an image.", | ||
| ArgsUsage: "IMAGE_NAME", | ||
| Flags: []cli.Flag{ | ||
| cli.StringFlag{ | ||
| Name: "imagesDir, d", | ||
| Usage: "Location of the images.", | ||
| Value: ".", | ||
| }, | ||
| cli.BoolFlag{ | ||
| Name: "excludeExternal", | ||
| }, | ||
| }, | ||
| Action: func(c *cli.Context) error { | ||
| if len(c.Args()) != 1 { | ||
| return cli.NewExitError(fmt.Errorf("Unexpected arguements"), 1) | ||
| } | ||
| err := parents(c.Args().First(), c.String("imagesDir"), c.Bool("excludeExternal")) | ||
| if err != nil { | ||
| return cli.NewExitError(err, 1) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func childrenCommand() cli.Command { | ||
| return cli.Command{ | ||
| Name: "children", | ||
| Usage: "The children that are dependent on the provided image.", | ||
| ArgsUsage: "IMAGE_NAME", | ||
| Flags: []cli.Flag{ | ||
| cli.StringFlag{ | ||
| Name: "imagesDir, d", | ||
| Usage: "Location of the images.", | ||
| Value: ".", | ||
| }, | ||
| }, | ||
| Action: func(c *cli.Context) error { | ||
| if len(c.Args()) != 1 { | ||
| return cli.NewExitError(fmt.Errorf("Unexpected arguements"), 1) | ||
| } | ||
| err := children(c.Args().First(), c.String("imagesDir")) | ||
| if err != nil { | ||
| return cli.NewExitError(err, 1) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func treeCommand() cli.Command { | ||
| return cli.Command{ | ||
| Name: "tree", | ||
| Usage: "Display all images in a tree.", | ||
| Flags: []cli.Flag{ | ||
| cli.StringFlag{ | ||
| Name: "imagesDir, d", | ||
| Usage: "Location of the images.", | ||
| Value: ".", | ||
| }, | ||
| }, | ||
| Action: func(c *cli.Context) error { | ||
| err := tree(c.String("imagesDir")) | ||
| if err != nil { | ||
| return cli.NewExitError(err, 1) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // Command Returns the command to be passed to a cli context. | ||
| func Command() cli.Command { | ||
| return cli.Command{ | ||
| Name: "inspect", | ||
| Usage: "Inspect an image.", | ||
| ArgsUsage: "IMAGE_NAME", | ||
| Flags: []cli.Flag{ | ||
| cli.StringFlag{ | ||
| Name: "imagesDir, d", | ||
| Usage: "Location of the images.", | ||
| Value: ".", | ||
| }, | ||
| }, | ||
| Subcommands: []cli.Command{ | ||
| parentsCommand(), | ||
| childrenCommand(), | ||
| treeCommand(), | ||
| }, | ||
| Action: func(c *cli.Context) error { | ||
| if len(c.Args()) != 1 { | ||
| return cli.NewExitError(fmt.Errorf("Unexpected arguements"), 1) | ||
| } | ||
| err := inspect(c.Args().First(), c.String("imagesDir")) | ||
| if err != nil { | ||
| return cli.NewExitError(err, 1) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func parents(name string, imagesDir string, excludeExternal bool) error { | ||
|
|
||
| if len(name) == 0 { | ||
| return fmt.Errorf("Name is required") | ||
| } | ||
|
|
||
| if len(imagesDir) == 0 { | ||
| return fmt.Errorf("Images directory is required") | ||
| } | ||
|
|
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| imagesDir = utils.ExpandPath(imagesDir) | ||
|
|
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| imageDefinitions, err := images.BuildAllDefinitions(imagesDir) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| current, ok := imageDefinitions[name] | ||
|
|
||
| if !ok { | ||
| return fmt.Errorf("Image %s doesn't exist", name) | ||
| } | ||
|
|
||
| finished := false | ||
| for finished != true { | ||
| if strings.HasPrefix(current.Inherits, "external:") { | ||
| if !excludeExternal { | ||
| log.Println(current.Inherits[len("external:"):len(current.Inherits)]) | ||
| } | ||
| finished = true | ||
| } else { | ||
| current = imageDefinitions[current.Inherits] | ||
| log.Println(current.Name) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func children(name string, imagesDir string) error { | ||
| if len(name) == 0 { | ||
| return fmt.Errorf("Name is required") | ||
| } | ||
|
|
||
| if len(imagesDir) == 0 { | ||
| return fmt.Errorf("Images directory is required") | ||
| } | ||
|
|
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| imagesDir = utils.ExpandPath(imagesDir) | ||
|
|
||
| imageDefinitions, err := images.BuildAllDefinitions(imagesDir) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| current, ok := imageDefinitions[name] | ||
|
|
||
| if !ok { | ||
| return fmt.Errorf("Image %s doesn't exist", name) | ||
| } | ||
|
|
||
| for _, imageDefinition := range imageDefinitions { | ||
| if imageDefinition.Inherits == current.Name { | ||
| log.Println(imageDefinition.Name) | ||
| } | ||
| } | ||
|
|
||
| return err | ||
| } | ||
|
|
||
| func buildTreeRecursively(parentDefinition images.ImageDefinition, imageDefinitions map[string]images.ImageDefinition) []gotree.GTStructure { | ||
| children := make([]gotree.GTStructure, 0) | ||
|
|
||
| for _, childImageDefinition := range imageDefinitions { | ||
| if childImageDefinition.Inherits == parentDefinition.Name { | ||
| var childNode gotree.GTStructure | ||
| childNode.Name = childImageDefinition.Name | ||
|
|
||
| for _, child := range buildTreeRecursively(childImageDefinition, imageDefinitions) { | ||
| childNode.Items = append(childNode.Items, child) | ||
| } | ||
| children = append(children, childNode) | ||
| } | ||
| } | ||
|
|
||
| return children | ||
| } | ||
|
|
||
| func tree(imagesDir string) error { | ||
| if len(imagesDir) == 0 { | ||
| return fmt.Errorf("Images directory is required") | ||
| } | ||
|
|
||
| imagesDir = utils.ExpandPath(imagesDir) | ||
|
|
||
| imageDefinitions, err := images.BuildAllDefinitions(imagesDir) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| externalImages := make([]string, 0) | ||
|
|
||
| for _, imageDefinition := range imageDefinitions { | ||
| if imageDefinition.InheritsExternal { | ||
| externalImages = append(externalImages, imageDefinition.Inherits) | ||
| } | ||
| } | ||
|
|
||
| // this will be our root items | ||
| externalImages = utils.RemoveDuplicates(externalImages) | ||
|
|
||
| var rootNode gotree.GTStructure | ||
|
|
||
| for _, externalImage := range externalImages { | ||
| var externalImageNode gotree.GTStructure | ||
| externalImageNode.Name = externalImage | ||
| for _, imageDefinition := range imageDefinitions { | ||
| if imageDefinition.InheritsExternal && imageDefinition.Inherits == externalImage { | ||
| var childNode gotree.GTStructure | ||
| childNode.Name = imageDefinition.Name | ||
| for _, child := range buildTreeRecursively(imageDefinition, imageDefinitions) { | ||
| childNode.Items = append(childNode.Items, child) | ||
| } | ||
| externalImageNode.Items = append(externalImageNode.Items, childNode) | ||
| } | ||
| } | ||
| rootNode.Items = append(rootNode.Items, externalImageNode) | ||
| } | ||
|
|
||
| gotree.PrintTree(rootNode) | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func inspect(name string, imagesDir string) error { | ||
| if len(name) == 0 { | ||
| return fmt.Errorf("Name is required") | ||
| } | ||
|
|
||
| if len(imagesDir) == 0 { | ||
| return fmt.Errorf("Images directory is required") | ||
| } | ||
|
|
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| imagesDir = utils.ExpandPath(imagesDir) | ||
|
|
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| imageDefinition, err := images.BuildDefinition(name, imagesDir) | ||
|
|
||
| log.Println(imageDefinition.Name) | ||
|
|
||
| return err | ||
| } |
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