mirror of https://github.com/portainer/portainer
89 lines
2.8 KiB
Go
89 lines
2.8 KiB
Go
package binary
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// Package common implements common functionality for the helm.
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// The functionality does not rely on the implementation of `HelmPackageManager`
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"path"
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"time"
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"github.com/pkg/errors"
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"github.com/portainer/portainer/pkg/libhelm/options"
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"gopkg.in/yaml.v3"
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)
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var errRequiredSearchOptions = errors.New("repo is required")
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type File struct {
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APIVersion string `yaml:"apiVersion" json:"apiVersion"`
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Entries map[string][]Entry `yaml:"entries" json:"entries"`
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Generated string `yaml:"generated" json:"generated"`
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}
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type Annotations struct {
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Category string `yaml:"category" json:"category"`
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}
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type Entry struct {
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Annotations *Annotations `yaml:"annotations" json:"annotations,omitempty"`
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Created string `yaml:"created" json:"created"`
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Deprecated bool `yaml:"deprecated" json:"deprecated"`
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Description string `yaml:"description" json:"description"`
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Digest string `yaml:"digest" json:"digest"`
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Home string `yaml:"home" json:"home"`
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Name string `yaml:"name" json:"name"`
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Sources []string `yaml:"sources" json:"sources"`
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Urls []string `yaml:"urls" json:"urls"`
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Version string `yaml:"version" json:"version"`
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Icon string `yaml:"icon" json:"icon,omitempty"`
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}
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// SearchRepo downloads the `index.yaml` file for specified repo, parses it and returns JSON to caller.
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// The functionality is similar to that of what `helm search repo [chart] --repo <repo>` CLI runs;
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// this approach is used instead since the `helm search repo` requires a repo to be added to the global helm cache
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func (hbpm *helmBinaryPackageManager) SearchRepo(searchRepoOpts options.SearchRepoOptions) ([]byte, error) {
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if searchRepoOpts.Repo == "" {
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return nil, errRequiredSearchOptions
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}
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client := searchRepoOpts.Client
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if searchRepoOpts.Client == nil {
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// The current index.yaml is ~9MB on bitnami.
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// At a slow @2mbit download = 40s. @100bit = ~1s.
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// I'm seeing 3 - 4s over wifi.
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// Give ample time but timeout for now. Can be improved in the future
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client = &http.Client{
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Timeout: 60 * time.Second,
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}
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}
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url, err := url.ParseRequestURI(searchRepoOpts.Repo)
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if err != nil {
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return nil, errors.Wrap(err, fmt.Sprintf("invalid helm chart URL: %s", searchRepoOpts.Repo))
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}
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url.Path = path.Join(url.Path, "index.yaml")
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resp, err := client.Get(url.String())
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if err != nil {
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return nil, errors.Wrap(err, "failed to get index file")
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}
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defer resp.Body.Close()
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var file File
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err = yaml.NewDecoder(resp.Body).Decode(&file)
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if err != nil {
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return nil, errors.Wrap(err, "failed to decode index file")
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}
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result, err := json.Marshal(file)
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if err != nil {
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return nil, errors.Wrap(err, "failed to marshal index file")
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}
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return result, nil
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}
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