mirror of https://github.com/databricks/cli.git
144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
package databrickscfg
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import (
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"context"
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"errors"
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"fmt"
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"io/fs"
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"path/filepath"
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"strings"
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"github.com/databricks/cli/libs/env"
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"github.com/databricks/databricks-sdk-go/config"
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"github.com/spf13/cobra"
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)
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// Profile holds a subset of the keys in a databrickscfg profile.
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// It should only be used for prompting and filtering.
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// Use its name to construct a config.Config.
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type Profile struct {
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Name string
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Host string
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AccountID string
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}
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func (p Profile) Cloud() string {
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cfg := config.Config{Host: p.Host}
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switch {
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case cfg.IsAws():
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return "AWS"
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case cfg.IsAzure():
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return "Azure"
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case cfg.IsGcp():
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return "GCP"
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default:
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return ""
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}
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}
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type Profiles []Profile
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func (p Profiles) Names() []string {
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names := make([]string, len(p))
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for i, v := range p {
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names[i] = v.Name
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}
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return names
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}
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// SearchCaseInsensitive implements the promptui.Searcher interface.
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// This allows the user to immediately starting typing to narrow down the list.
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func (p Profiles) SearchCaseInsensitive(input string, index int) bool {
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input = strings.ToLower(input)
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name := strings.ToLower(p[index].Name)
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host := strings.ToLower(p[index].Host)
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return strings.Contains(name, input) || strings.Contains(host, input)
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}
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type ProfileMatchFunction func(Profile) bool
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func MatchWorkspaceProfiles(p Profile) bool {
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return p.AccountID == ""
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}
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func MatchAccountProfiles(p Profile) bool {
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return p.Host != "" && p.AccountID != ""
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}
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func MatchAllProfiles(p Profile) bool {
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return true
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}
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// Get the path to the .databrickscfg file, falling back to the default in the current user's home directory.
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func GetPath(ctx context.Context) (string, error) {
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configFile := env.Get(ctx, "DATABRICKS_CONFIG_FILE")
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if configFile == "" {
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configFile = "~/.databrickscfg"
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}
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if strings.HasPrefix(configFile, "~") {
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homedir := env.UserHomeDir(ctx)
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configFile = filepath.Join(homedir, configFile[1:])
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}
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return configFile, nil
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}
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var ErrNoConfiguration = errors.New("no configuration file found")
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func Get(ctx context.Context) (*config.File, error) {
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path, err := GetPath(ctx)
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if err != nil {
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return nil, fmt.Errorf("cannot determine Databricks config file path: %w", err)
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}
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configFile, err := config.LoadFile(path)
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if errors.Is(err, fs.ErrNotExist) {
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// downstreams depend on ErrNoConfiguration. TODO: expose this error through SDK
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return nil, fmt.Errorf("%w at %s; please create one first", ErrNoConfiguration, path)
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} else if err != nil {
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return nil, err
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}
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return configFile, nil
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}
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func LoadProfiles(ctx context.Context, fn ProfileMatchFunction) (file string, profiles Profiles, err error) {
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f, err := Get(ctx)
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if err != nil {
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return "", nil, fmt.Errorf("cannot load Databricks config file: %w", err)
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}
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// Replace homedir with ~ if applicable.
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// This is to make the output more readable.
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file = filepath.Clean(f.Path())
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homedir := filepath.Clean(env.UserHomeDir(ctx))
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if strings.HasPrefix(file, homedir) {
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file = "~" + file[len(homedir):]
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}
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// Iterate over sections and collect matching profiles.
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for _, v := range f.Sections() {
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all := v.KeysHash()
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host, ok := all["host"]
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if !ok {
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// invalid profile
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continue
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}
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profile := Profile{
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Name: v.Name(),
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Host: host,
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AccountID: all["account_id"],
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}
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if fn(profile) {
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profiles = append(profiles, profile)
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}
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}
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return
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}
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func ProfileCompletion(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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_, profiles, err := LoadProfiles(cmd.Context(), MatchAllProfiles)
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if err != nil {
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return nil, cobra.ShellCompDirectiveError
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}
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return profiles.Names(), cobra.ShellCompDirectiveNoFileComp
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}
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