typing wip

typing wip

Signed-off-by: Tullio Sebastiani <[email protected]>

typing wip

typing wip

cmd/describe.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+var describeCmd = &cobra.Command{
+	Use:   "describe",
+	Short: "describes a scenario",
+	Long:  `Describes a scenario`,
+	Args:  cobra.ExactArgs(1),
+	ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		return []string{"mimmo", "memma"}, cobra.ShellCompDirectiveNoFileComp
+	},
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if jsonFlag {
+			fmt.Println("{\"describe\":\"" + args[0] + "\"}")
+		} else {
+			fmt.Println("Listing scenarios " + args[0])
+		}
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(describeCmd)
+}

cmd/list.go

@@ -0,0 +1,36 @@
+package cmd
+
+import (
+	"fmt"
+	"github.com/briandowns/spinner"
+	"github.com/spf13/cobra"
+	"time"
+)
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List scenarios",
+	Long:  `List available krkn-hub scenarios`,
+	Args:  cobra.NoArgs,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		s := spinner.New(spinner.CharSets[39], 100*time.Millisecond)
+		s.Suffix = "fetching scenarios"
+		s.Start()
+		time.Sleep(4 * time.Second)
+		s.Stop()
+		if offlineFlag {
+			fmt.Println("OFFLINE MODE")
+		}
+		if jsonFlag {
+			fmt.Println("{\"hello\":\"list\"}")
+			return nil
+		} else {
+			fmt.Println("Listing scenarios...")
+			return nil
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(listCmd)
+}

cmd/root.go

@@ -6,16 +6,23 @@ import (
 	"os"
 )
 
+var jsonFlag bool
+var offlineFlag bool
+var offlineRepoConfig string
 var rootCmd = &cobra.Command{
-	Use:   "mixologist",
-	Short: "Mixologist is your personal bartender.",
-	Long:  `Mixologist acts as a bartender who specializes in cocktail making.`,
+	Use:   "krknctl",
+	Short: "krkn CLI",
+	Long:  `krkn Command Line Interface`,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		return cmd.Help()
 	},
 }
 
 func Execute() {
+	rootCmd.PersistentFlags().BoolVarP(&jsonFlag, "json", "j", false, "Output in JSON")
+	rootCmd.PersistentFlags().BoolVarP(&offlineFlag, "offline", "o", false, "Offline mode")
+	rootCmd.PersistentFlags().StringVarP(&offlineRepoConfig, "offline-repo-config", "r", "", "Offline repository config file")
+	rootCmd.MarkFlagsRequiredTogether("offline", "offline-repo-config")
 	if err := rootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)

go.mod

@@ -3,11 +3,20 @@ module github.com/krkn-chaos/krknctl
 go 1.23.1
 
 require (
+	github.com/briandowns/spinner v1.23.1
 	github.com/spf13/cobra v1.8.1
-	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0
+	github.com/stretchr/testify v1.9.0
 )
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fatih/color v1.7.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/mattn/go-isatty v0.0.8 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
+	golang.org/x/term v0.1.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,12 +1,31 @@
+github.com/briandowns/spinner v1.23.1 h1:t5fDPmScwUjozhDj4FA46p5acZWIPXYE30qW2Ptu650=
+github.com/briandowns/spinner v1.23.1/go.mod h1:LaZeM4wm2Ywy6vO571mvhQNRcWfRUnXOs0RcKV0wYKM=
 github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
 github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 h1:e66Fs6Z+fZTbFBAxKfP3PALWBtpfqks2bwGcexMxgtk=
-golang.org/x/exp v0.0.0-20240909161429-701f63a606c0/go.mod h1:2TbTHSBQa924w8M6Xs1QcRcFwyucIwBGpK1p2f1YFFY=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20220412211240-33da011f77ad h1:ntjMns5wyP/fN65tdBD4g8J5w8n015+iIIs9rtjXkY0=
+golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.1.0 h1:g6Z6vPFA9dYBAF7DWcH6sCcOntplXsDKcliusYijMlw=
+golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/config/config.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	_ "embed"
+	"encoding/json"
+)
+
+type Config struct {
+	Version      string `json:"version"`
+	QuayRegistry string `json:"quayRegistry"`
+	QuayApi      string `json:"quayApi"`
+}
+
+//go:embed config.json
+var File []byte
+
+func LoadConfig() (Config, error) {
+	var config Config
+	err := json.Unmarshal(File, &config)
+	if err != nil {
+		return config, err
+	}
+	return config, nil
+}

internal/config/config.json

@@ -0,0 +1,5 @@
+{
+  "version": "0.0.1",
+  "quayRegistry": "krkn-chaos/krkn-hub",
+  "quayApi": "https://quay.io/api/v1/repository"
+}

internal/providers/offline_scenario_provider.go

@@ -0,0 +1,14 @@
+package providers
+
+import (
+	"errors"
+	"github.com/krkn-chaos/krknctl/internal/config"
+)
+
+type OfflineScenarioProvider struct {
+	config *config.Config
+}
+
+func (p *OfflineScenarioProvider) GetScenarios() (*[]ScenarioTag, error) {
+	return nil, errors.New("not yet implemented")
+}

internal/providers/provider_factory.go

@@ -0,0 +1,30 @@
+package providers
+
+import "github.com/krkn-chaos/krknctl/internal/config"
+
+type Mode int64
+
+const (
+	Online = iota
+	Offline
+)
+
+type ProviderFactory struct {
+	config *config.Config
+}
+
+func NewProviderFactory(config *config.Config) *ProviderFactory {
+	return &ProviderFactory{config: config}
+}
+
+func (p *ProviderFactory) NewInstance(mode Mode) ScenarioProvider {
+	switch mode {
+	case Online:
+
+		return &QuayScenarioProvider{config: p.config}
+	case Offline:
+		return &OfflineScenarioProvider{config: p.config}
+	default:
+		return nil
+	}
+}

internal/providers/quay_scenario_provider.go

@@ -0,0 +1,119 @@
+package providers
+
+import (
+	"encoding/json"
+	"errors"
+	"github.com/krkn-chaos/krknctl/internal/config"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+type QuayTagPage struct {
+	Tags          []QuayTag `json:"tags"`
+	Page          int       `json:"page"`
+	HasAdditional bool      `json:"has_additional"`
+}
+
+type QuayTag struct {
+	Name           string    `json:"name"`
+	Reversion      bool      `json:"reversion"`
+	StartTimeStamp int64     `json:"start_ts"`
+	ManifestDigest string    `json:"manifest_digest"`
+	IsManifestList bool      `json:"is_manifest_list"`
+	Size           int64     `json:"size"`
+	LastModified   time.Time `json:"last_modified"`
+}
+
+type alias QuayTag
+
+func (q *QuayTag) UnmarshalJSON(bytes []byte) error {
+	aux := &struct {
+		LastModified string `json:"last_modified"`
+		*alias
+	}{
+		alias: (*alias)(q),
+	}
+	if err := json.Unmarshal(bytes, &aux); err != nil {
+		return err
+	}
+
+	layout := "Mon, 02 Jan 2006 15:04:05 -0700"
+	parsedTime, err := time.Parse(layout, aux.LastModified)
+	if err != nil {
+		return err
+	}
+
+	q.LastModified = parsedTime
+
+	return nil
+}
+
+type QuayScenarioProvider struct {
+	config *config.Config
+}
+
+func (p *QuayScenarioProvider) GetScenarios() (*[]ScenarioTag, error) {
+	baseURL, _ := url.Parse(p.config.QuayApi + "/" + p.config.QuayRegistry + "/tag")
+	params := url.Values{}
+	params.Add("onlyActiveTags", "true")
+	params.Add("limit", "100")
+	// currently paging support is not needed
+	params.Add("page", "1")
+	baseURL.RawQuery = params.Encode()
+
+	resp, _ := http.Get(baseURL.String())
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return nil, errors.New("failed to retrieve tags, " + baseURL.String() + " returned: " + resp.Status)
+	}
+
+	bodyBytes, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Fatal(err)
+		return nil, err
+	}
+	var quayPage QuayTagPage
+	err = json.Unmarshal(bodyBytes, &quayPage)
+
+	var scenarioTags []ScenarioTag
+	for _, tag := range quayPage.Tags {
+		scenarioTags = append(scenarioTags, ScenarioTag{
+			Name:         tag.Name,
+			LastModified: tag.LastModified,
+			Size:         tag.Size,
+			Digest:       tag.ManifestDigest,
+		})
+	}
+
+	return &scenarioTags, nil
+}
+
+func (p *QuayScenarioProvider) GetScenarioDetail(scenario string) (*ScenarioDetail, error) {
+	scenarios, err := p.GetScenarios()
+	if err != nil {
+		return nil, err
+	}
+	var foundScenario *ScenarioTag = nil
+	for _, scenarioTag := range *scenarios {
+		if scenarioTag.Name == scenario {
+			foundScenario = &scenarioTag
+		}
+	}
+	if foundScenario == nil {
+		return nil, nil
+	}
+
+	baseURL, _ := url.Parse(p.config.QuayApi + "/" + p.config.QuayRegistry + "/tag")
+	params := url.Values{}
+	params.Add("onlyActiveTags", "true")
+	params.Add("limit", "100")
+	// currently paging support is not needed
+	params.Add("page", "1")
+	baseURL.RawQuery = params.Encode()
+
+	resp, _ := http.Get(baseURL.String())
+
+}