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103 lines
3.0 KiB
103 lines
3.0 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"fmt"
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"io"
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"strings"
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"github.com/gosuri/uitable"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"helm.sh/helm/internal/monocular"
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)
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const searchHubDesc = `
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Search the Helm Hub or an instance of Monocular for Helm charts.
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The Helm Hub provides a centralized search for publicly available distributed
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charts. It is maintained by the Helm project. It can be visited at
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https://hub.helm.sh
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Monocular is a web-based application that enables the search and discovery of
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charts from multiple Helm Chart repositories. It is the codebase that powers the
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Helm Hub. You can find it at https://github.com/helm/monocular
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`
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type searchHubOptions struct {
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searchEndpoint string
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maxColWidth uint
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}
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func newSearchHubCmd(out io.Writer) *cobra.Command {
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o := &searchHubOptions{}
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cmd := &cobra.Command{
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Use: "hub [keyword]",
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Short: "search for charts in the Helm Hub or an instance of Monocular",
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Long: searchHubDesc,
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RunE: func(cmd *cobra.Command, args []string) error {
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return o.run(out, args)
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},
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}
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f := cmd.Flags()
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f.StringVar(&o.searchEndpoint, "endpoint", "https://hub.helm.sh", "monocular instance to query for charts")
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f.UintVar(&o.maxColWidth, "max-col-width", 50, "maximum column width for output table")
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return cmd
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}
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func (o *searchHubOptions) run(out io.Writer, args []string) error {
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c, err := monocular.New(o.searchEndpoint)
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if err != nil {
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return errors.Wrap(err, fmt.Sprintf("unable to create connection to %q", o.searchEndpoint))
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}
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q := strings.Join(args, " ")
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results, err := c.Search(q)
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if err != nil {
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debug("%s", err)
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return fmt.Errorf("unable to perform search against %q", o.searchEndpoint)
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}
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fmt.Fprintln(out, o.formatSearchResults(o.searchEndpoint, results))
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return nil
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}
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func (o *searchHubOptions) formatSearchResults(endpoint string, res []monocular.SearchResult) string {
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if len(res) == 0 {
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return "No results found"
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}
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table := uitable.New()
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// The max column width is configurable because a URL could be longer than the
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// max value and we want the user to have the ability to display the whole url
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table.MaxColWidth = o.maxColWidth
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table.AddRow("URL", "CHART VERSION", "APP VERSION", "DESCRIPTION")
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var url string
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for _, r := range res {
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url = endpoint + "/charts/" + r.ID
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table.AddRow(url, r.Relationships.LatestChartVersion.Data.Version, r.Relationships.LatestChartVersion.Data.AppVersion, r.Attributes.Description)
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}
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return table.String()
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}
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