Deprecate metdata registry

Functionality has been moved to more appropriate packages. Also add
actions for tasks that relied on metadata registry.
Signed-off-by: bryanl <bryanliles@gmail.com>

actions/pkg_install.go

@@ -16,7 +16,6 @@
 package actions
 
 import (
-	"github.com/davecgh/go-spew/spew"
 	"github.com/ksonnet/ksonnet/metadata/app"
 	"github.com/ksonnet/ksonnet/pkg/pkg"
 	"github.com/ksonnet/ksonnet/pkg/registry"
@@ -76,8 +75,6 @@ func (pi *PkgInstall) Run() error {
 		return err
 	}
 
-	spew.Dump(d)
-
 	return pi.depCacher(pi.app, d, customName)
 }
 

actions/prototype_describe.go

+// Copyright 2018 The ksonnet authors
+//
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+package actions
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"github.com/ksonnet/ksonnet/metadata/app"
+	"github.com/ksonnet/ksonnet/pkg/pkg"
+	"github.com/ksonnet/ksonnet/prototype"
+	"github.com/pkg/errors"
+)
+
+// RunPrototypeDescribe runs `prototype describe`
+func RunPrototypeDescribe(ksApp app.App, query string) error {
+	pd, err := NewPrototypeDescribe(ksApp, query)
+	if err != nil {
+		return err
+	}
+
+	return pd.Run()
+}
+
+// PrototypeDescribe lists available namespaces
+type PrototypeDescribe struct {
+	app           app.App
+	out           io.Writer
+	query         string
+	appPrototypes func(app.App, pkg.Descriptor) (prototype.SpecificationSchemas, error)
+}
+
+// NewPrototypeDescribe creates an instance of PrototypeDescribe
+func NewPrototypeDescribe(ksApp app.App, query string) (*PrototypeDescribe, error) {
+	pd := &PrototypeDescribe{
+		app:           ksApp,
+		out:           os.Stdout,
+		query:         query,
+		appPrototypes: pkg.LoadPrototypes,
+	}
+
+	return pd, nil
+}
+
+// Run runs the env list action.
+func (pd *PrototypeDescribe) Run() error {
+	prototypes, err := allPrototypes(pd.app, pd.appPrototypes)
+	if err != nil {
+		return err
+	}
+
+	index := prototype.NewIndex(prototypes)
+
+	prototypes, err = index.List()
+	if err != nil {
+		return err
+	}
+
+	p, err := findUniquePrototype(pd.query, prototypes)
+	if err != nil {
+		return err
+	}
+
+	fmt.Fprintln(pd.out, `PROTOTYPE NAME:`)
+	fmt.Fprintln(pd.out, p.Name)
+	fmt.Fprintln(pd.out)
+	fmt.Fprintln(pd.out, `DESCRIPTION:`)
+	fmt.Fprintln(pd.out, p.Template.Description)
+	fmt.Fprintln(pd.out)
+	fmt.Fprintln(pd.out, `REQUIRED PARAMETERS:`)
+	fmt.Fprintln(pd.out, p.RequiredParams().PrettyString("  "))
+	fmt.Fprintln(pd.out)
+	fmt.Fprintln(pd.out, `OPTIONAL PARAMETERS:`)
+	fmt.Fprintln(pd.out, p.OptionalParams().PrettyString("  "))
+	fmt.Fprintln(pd.out)
+	fmt.Fprintln(pd.out, `TEMPLATE TYPES AVAILABLE:`)
+	fmt.Fprintf(pd.out, "  %s\n", p.Template.AvailableTemplates())
+
+	return nil
+}
+
+type prototypeFn func(app.App, pkg.Descriptor) (prototype.SpecificationSchemas, error)
+
+func allPrototypes(a app.App, appPrototypes prototypeFn) (prototype.SpecificationSchemas, error) {
+	libraries, err := a.Libraries()
+	if err != nil {
+		return nil, err
+	}
+
+	var prototypes prototype.SpecificationSchemas
+
+	for _, library := range libraries {
+		d := pkg.Descriptor{
+			Registry: library.Registry,
+			Part:     library.Name,
+		}
+
+		p, err := appPrototypes(a, d)
+		if err != nil {
+			return nil, err
+		}
+
+		prototypes = append(prototypes, p...)
+	}
+
+	return prototypes, nil
+}
+
+func findUniquePrototype(query string, prototypes prototype.SpecificationSchemas) (*prototype.SpecificationSchema, error) {
+	index := prototype.NewIndex(prototypes)
+
+	sameSuffix, err := index.SearchNames(query, prototype.Suffix)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(sameSuffix) == 1 {
+		// Success.
+		return sameSuffix[0], nil
+	} else if len(sameSuffix) > 1 {
+		// Ambiguous match.
+		names := specNames(sameSuffix)
+		return nil, errors.Errorf("ambiguous match for '%s': %s", query, strings.Join(names, ", "))
+	} else {
+		// No matches.
+		substring, err := index.SearchNames(query, prototype.Substring)
+		if err != nil || len(substring) == 0 {
+			return nil, errors.Errorf("no prototype names matched '%s'", query)
+		}
+
+		partialMatches := specNames(substring)
+		partials := strings.Join(partialMatches, "\n")
+		return nil, errors.Errorf("no prototype names matched '%s'; a list of partial matches: %s", query, partials)
+	}
+}
+
+func specNames(prototypes []*prototype.SpecificationSchema) []string {
+	partialMatches := []string{}
+	for _, proto := range prototypes {
+		partialMatches = append(partialMatches, proto.Name)
+	}
+
+	return partialMatches
+}

actions/prototype_describe_test.go

+// Copyright 2018 The ksonnet authors
+//
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+package actions
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/ksonnet/ksonnet/metadata/app"
+	amocks "github.com/ksonnet/ksonnet/metadata/app/mocks"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPrototypeDescribe(t *testing.T) {
+	withApp(t, func(appMock *amocks.App) {
+		libaries := app.LibraryRefSpecs{}
+
+		appMock.On("Libraries").Return(libaries, nil)
+
+		a, err := NewPrototypeDescribe(appMock, "namespace")
+		require.NoError(t, err)
+
+		var buf bytes.Buffer
+		a.out = &buf
+
+		err = a.Run()
+		require.NoError(t, err)
+
+		assertOutput(t, "prototype/describe/output.txt", buf.String())
+	})
+}

actions/prototype_list.go

@@ -7,7 +7,7 @@
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
-//    Upless required by applicable law or agreed to in writing, software
+//    Unless required by applicable law or agreed to in writing, software
 //    distributed under the License is distributed on an "AS IS" BASIS,
 //    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 //    See the License for the specific language governing permissions and
@@ -56,31 +56,16 @@ func NewPrototypeList(ksApp app.App) (*PrototypeList, error) {
 
 // Run runs the env list action.
 func (pl *PrototypeList) Run() error {
-	libraries, err := pl.app.Libraries()
+	prototypes, err := allPrototypes(pl.app, pl.prototypes)
 	if err != nil {
 		return err
 	}
 
-	var prototypes prototype.SpecificationSchemas
-
-	for _, library := range libraries {
-		d := pkg.Descriptor{
-			Registry: library.Registry,
-			Part:     library.Name,
-		}
-
-		p, err := pl.prototypes(pl.app, d)
-		if err != nil {
-			return err
-		}
-
-		prototypes = append(prototypes, p...)
-	}
-
 	index := prototype.NewIndex(prototypes)
+
 	prototypes, err = index.List()
 	if err != nil {
-		return nil
+		return err
 	}
 
 	var rows [][]string

actions/prototype_preview.go

+// Copyright 2018 The ksonnet authors
+//
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+package actions
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"github.com/ksonnet/ksonnet/metadata"
+	"github.com/ksonnet/ksonnet/metadata/app"
+	"github.com/ksonnet/ksonnet/pkg/pkg"
+	"github.com/ksonnet/ksonnet/prototype"
+	"github.com/ksonnet/ksonnet/prototype/snippet"
+	"github.com/ksonnet/ksonnet/prototype/snippet/jsonnet"
+	strutil "github.com/ksonnet/ksonnet/strings"
+	"github.com/pkg/errors"
+	"github.com/spf13/pflag"
+)
+
+// RunPrototypePreview runs `prototype describe`
+func RunPrototypePreview(ksApp app.App, query string, args []string) error {
+	pp, err := NewPrototypePreview(ksApp, query, args)
+	if err != nil {
+		return err
+	}
+
+	return pp.Run()
+}
+
+// PrototypePreview lists available namespaces
+type PrototypePreview struct {
+	app           app.App
+	out           io.Writer
+	query         string
+	args          []string
+	appPrototypes func(app.App, pkg.Descriptor) (prototype.SpecificationSchemas, error)
+}
+
+// NewPrototypePreview creates an instance of PrototypePreview
+func NewPrototypePreview(ksApp app.App, query string, args []string) (*PrototypePreview, error) {
+	pp := &PrototypePreview{
+		app:           ksApp,
+		out:           os.Stdout,
+		query:         query,
+		args:          args,
+		appPrototypes: pkg.LoadPrototypes,
+	}
+
+	return pp, nil
+}
+
+// Run runs the env list action.
+func (pp *PrototypePreview) Run() error {
+	prototypes, err := allPrototypes(pp.app, pp.appPrototypes)
+	if err != nil {
+		return err
+	}
+
+	index := prototype.NewIndex(prototypes)
+
+	prototypes, err = index.List()
+	if err != nil {
+		return err
+	}
+
+	p, err := findUniquePrototype(pp.query, prototypes)
+	if err != nil {
+		return err
+	}
+
+	flags := bindPrototypeParams(p)
+	if err = flags.Parse(pp.args); err != nil {
+		return errors.Wrap(err, "parse preview args")
+	}
+
+	// NOTE: only supporting jsonnet templates
+	templateType := prototype.Jsonnet
+
+	params, err := getParameters(p, flags)
+	if err != nil {
+		return err
+	}
+
+	text, err := expandPrototype(p, templateType, params, "preview")
+	if err != nil {
+		return err
+	}
+
+	fmt.Fprintln(pp.out, text)
+	return nil
+}
+
+func bindPrototypeParams(p *prototype.SpecificationSchema) *pflag.FlagSet {
+	fs := pflag.NewFlagSet("preview", pflag.ContinueOnError)
+
+	for _, param := range p.RequiredParams() {
+		fs.String(param.Name, "", param.Description)
+	}
+
+	for _, param := range p.OptionalParams() {
+		fs.String(param.Name, *param.Default, param.Description)
+	}
+
+	return fs
+}
+
+func getParameters(proto *prototype.SpecificationSchema, flags *pflag.FlagSet) (map[string]string, error) {
+	missingRequired := prototype.ParamSchemas{}
+	values := map[string]string{}
+	for _, param := range proto.RequiredParams() {
+		val, err := flags.GetString(param.Name)
+		if err != nil {
+			return nil, err
+		} else if val == "" {
+			missingRequired = append(missingRequired, param)
+		} else if _, ok := values[param.Name]; ok {
+			return nil, errors.Errorf("Prototype '%s' has multiple parameters with name '%s'", proto.Name, param.Name)
+		}
+
+		quoted, err := param.Quote(val)
+		if err != nil {
+			return nil, err
+		}
+		values[param.Name] = quoted
+	}
+
+	if len(missingRequired) > 0 {
+		return nil, errors.Errorf("failed to instantiate prototype '%s'. The following required parameters are missing:\n%s", proto.Name, missingRequired.PrettyString(""))
+	}
+
+	for _, param := range proto.OptionalParams() {
+		val, err := flags.GetString(param.Name)
+		if err != nil {
+			return nil, err
+		} else if _, ok := values[param.Name]; ok {
+			return nil, errors.Errorf("prototype '%s' has multiple parameters with name '%s'", proto.Name, param.Name)
+		}
+
+		quoted, err := param.Quote(val)
+		if err != nil {
+			return nil, err
+		}
+		values[param.Name] = quoted
+	}
+
+	return values, nil
+}
+
+// TODO: this doesn't belong here. Needs to be closer to where other jsonnet processing happens.
+func expandPrototype(proto *prototype.SpecificationSchema, templateType prototype.TemplateType, params map[string]string, componentName string) (string, error) {
+	template, err := proto.Template.Body(templateType)
+	if err != nil {
+		return "", err
+	}
+	if templateType == prototype.Jsonnet {
+		componentsText := "components." + componentName
+		if !strutil.IsASCIIIdentifier(componentName) {
+			componentsText = fmt.Sprintf(`components["%s"]`, componentName)
+		}
+		template = append([]string{
+			`local env = std.extVar("` + metadata.EnvExtCodeKey + `");`,
+			`local params = std.extVar("` + metadata.ParamsExtCodeKey + `").` + componentsText + ";"},
+			template...)
+		return jsonnet.Parse(componentName, strings.Join(template, "\n"))
+	}
+
+	tm := snippet.Parse(strings.Join(template, "\n"))
+	return tm.Evaluate(params)
+}

actions/prototype_preview_test.go

+// Copyright 2018 The ksonnet authors
+//
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+package actions
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/ksonnet/ksonnet/metadata/app"
+	amocks "github.com/ksonnet/ksonnet/metadata/app/mocks"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPrototypePreview(t *testing.T) {
+	withApp(t, func(appMock *amocks.App) {
+		libaries := app.LibraryRefSpecs{}
+
+		appMock.On("Libraries").Return(libaries, nil)
+
+		args := []string{
+			"--name", "myDeployment",
+			"--image", "nginx",
+			"--port", "80",
+		}
+
+		a, err := NewPrototypePreview(appMock, "single-port-deployment", args)
+		require.NoError(t, err)
+
+		var buf bytes.Buffer
+		a.out = &buf
+
+		err = a.Run()
+		require.NoError(t, err)
+
+		assertOutput(t, "prototype/preview/output.txt", buf.String())
+	})
+}

actions/prototype_search.go

+// Copyright 2018 The ksonnet authors
+//
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+package actions
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"sort"
+
+	"github.com/ksonnet/ksonnet/metadata/app"
+	"github.com/ksonnet/ksonnet/pkg/pkg"
+	"github.com/ksonnet/ksonnet/pkg/util/table"
+	"github.com/ksonnet/ksonnet/prototype"
+)
+
+// RunPrototypeSearch runs `prototype search`
+func RunPrototypeSearch(ksApp app.App, query string) error {
+	ps, err := NewPrototypeSearch(ksApp, query)
+	if err != nil {
+		return err
+	}
+
+	return ps.Run()
+}
+
+// PrototypeSearch lists available namespaces
+type PrototypeSearch struct {
+	app         app.App
+	query       string
+	out         io.Writer
+	prototypes  func(app.App, pkg.Descriptor) (prototype.SpecificationSchemas, error)
+	protoSearch func(string, prototype.SpecificationSchemas) (prototype.SpecificationSchemas, error)
+}
+
+// NewPrototypeSearch creates an instance of PrototypeSearch
+func NewPrototypeSearch(ksApp app.App, query string) (*PrototypeSearch, error) {
+	ps := &PrototypeSearch{
+		app:         ksApp,
+		query:       query,
+		out:         os.Stdout,
+		prototypes:  pkg.LoadPrototypes,
+		protoSearch: protoSearch,
+	}
+
+	return ps, nil
+}
+
+// Run runs the env list action.
+func (ps *PrototypeSearch) Run() error {
+	prototypes, err := allPrototypes(ps.app, ps.prototypes)
+	if err != nil {
+		return err
+	}
+
+	results, err := ps.protoSearch(ps.query, prototypes)
+	if err != nil {
+		return err
+	}
+
+	if len(results) == 1 {
+		return fmt.Errorf("failed to find any search results for query %q", ps.query)
+	}
+
+	var rows [][]string
+	for _, p := range results {
+		rows = append(rows, []string{p.Name, p.Template.ShortDescription})
+	}
+
+	t := table.New(ps.out)
+	t.SetHeader([]string{"name", "description"})
+
+	sort.Slice(rows, func(i, j int) bool {
+		return rows[i][0] < rows[j][0]
+	})
+
+	t.AppendBulk(rows)
+
+	return t.Render()
+}
+
+func protoSearch(query string, prototypes prototype.SpecificationSchemas) (prototype.SpecificationSchemas, error) {
+	index := prototype.NewIndex(prototypes)
+	return index.SearchNames(query, prototype.Substring)
+}

actions/prototype_search_test.go

+// Copyright 2018 The ksonnet authors
+//
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.