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provider.go
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provider.go
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package workspace
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"strings"
devpodhttp "github.com/loft-sh/devpod/pkg/http"
"github.com/loft-sh/devpod/pkg/types"
"github.com/loft-sh/devpod/providers"
"github.com/loft-sh/devpod/pkg/binaries"
"github.com/loft-sh/devpod/pkg/config"
"github.com/loft-sh/devpod/pkg/download"
provider2 "github.com/loft-sh/devpod/pkg/provider"
"github.com/loft-sh/log"
"github.com/pkg/errors"
)
var errProvideWorkspaceArg = errors.New("please provide a workspace name. E.g. 'devpod up ./my-folder', 'devpod up github.com/my-org/my-repo' or 'devpod up ubuntu'")
type ProviderWithOptions struct {
Config *provider2.ProviderConfig `json:"config,omitempty"`
State *config.ProviderConfig `json:"state,omitempty"`
}
// LoadProviders loads all known providers for the given context and
func LoadProviders(devPodConfig *config.Config, log log.Logger) (*ProviderWithOptions, map[string]*ProviderWithOptions, error) {
defaultContext := devPodConfig.Current()
retProviders, err := LoadAllProviders(devPodConfig, log)
if err != nil {
return nil, nil, err
}
// get default provider
if defaultContext.DefaultProvider == "" {
return nil, nil, fmt.Errorf("no default provider found. Please make sure to run 'devpod provider use'")
} else if retProviders[defaultContext.DefaultProvider] == nil {
return nil, nil, fmt.Errorf("couldn't find default provider %s. Please make sure to add the provider via 'devpod provider add'", defaultContext.DefaultProvider)
}
return retProviders[defaultContext.DefaultProvider], retProviders, nil
}
func CloneProvider(devPodConfig *config.Config, providerName, providerSourceRaw string, log log.Logger) (*ProviderWithOptions, error) {
providerWithOptions, err := FindProvider(devPodConfig, providerSourceRaw, log)
if err != nil {
return nil, err
}
providerConfig, err := installProvider(devPodConfig, providerWithOptions.Config, providerName, &providerWithOptions.Config.Source, log)
if err != nil {
return nil, err
}
providerWithOptions.Config = providerConfig
return providerWithOptions, nil
}
func AddProviderRaw(devPodConfig *config.Config, providerName string, providerSource *provider2.ProviderSource, providerRaw []byte, log log.Logger) (*provider2.ProviderConfig, error) {
providerConfig, err := installRawProvider(devPodConfig, providerName, providerRaw, providerSource, log)
if err != nil {
return nil, err
}
if devPodConfig.Current().Providers == nil {
devPodConfig.Current().Providers = map[string]*config.ProviderConfig{}
}
if devPodConfig.Current().Providers[providerConfig.Name] == nil {
devPodConfig.Current().Providers[providerConfig.Name] = &config.ProviderConfig{
CreationTimestamp: types.Now(),
}
}
err = config.SaveConfig(devPodConfig)
if err != nil {
return nil, errors.Wrap(err, "save config")
}
return providerConfig, nil
}
func AddProvider(devPodConfig *config.Config, providerName, providerSourceRaw string, log log.Logger) (*provider2.ProviderConfig, error) {
providerRaw, providerSource, err := ResolveProvider(providerSourceRaw, log)
if err != nil {
return nil, err
}
return AddProviderRaw(devPodConfig, providerName, providerSource, providerRaw, log)
}
func UpdateProvider(devPodConfig *config.Config, providerName, providerSourceRaw string, log log.Logger) (*provider2.ProviderConfig, error) {
if devPodConfig.Current().Providers[providerName] == nil {
return nil, fmt.Errorf("provider %s doesn't exist. Please run 'devpod provider add %s' instead", providerName, providerSourceRaw)
}
if providerSourceRaw == "" {
s, err := ResolveProviderSource(devPodConfig, providerName, log)
if err != nil {
return nil, err
}
providerSourceRaw = s
}
providerRaw, providerSource, err := ResolveProvider(providerSourceRaw, log)
if err != nil {
return nil, err
}
return updateProvider(devPodConfig, providerName, providerRaw, providerSource, log)
}
func ResolveProviderSource(devPodConfig *config.Config, providerName string, log log.Logger) (string, error) {
source := ""
providerConfig, err := FindProvider(devPodConfig, providerName, log)
if err != nil {
return "", errors.Wrap(err, "find provider")
}
if providerConfig.Config.Source.Internal {
// Name could also be overridden if initial name was already taken, so prefer the raw source if available
if providerConfig.Config.Source.Raw == "" {
source = providerConfig.Config.Name
} else {
source = providerConfig.Config.Source.Raw
}
} else if providerConfig.Config.Source.URL != "" {
source = providerConfig.Config.Source.URL
} else if providerConfig.Config.Source.File != "" {
source = providerConfig.Config.Source.File
} else if providerConfig.Config.Source.Github != "" {
source = providerConfig.Config.Source.Github
} else {
return "", fmt.Errorf("provider %s is missing a source. Please run `devpod provider update %s SOURCE`", providerName, providerName)
}
return source, nil
}
func ResolveProvider(providerSource string, log log.Logger) ([]byte, *provider2.ProviderSource, error) {
retSource := &provider2.ProviderSource{Raw: strings.TrimSpace(providerSource)}
// in-built?
internalProviders := providers.GetBuiltInProviders()
if internalProviders[providerSource] != "" {
retSource.Internal = true
return []byte(internalProviders[providerSource]), retSource, nil
}
// url?
if strings.HasPrefix(providerSource, "http://") || strings.HasPrefix(providerSource, "https://") {
log.Infof("Download provider %s...", providerSource)
out, err := downloadProvider(providerSource)
if err != nil {
return nil, nil, err
}
retSource.URL = providerSource
return out, retSource, nil
}
// local file?
if strings.HasSuffix(providerSource, ".yaml") || strings.HasSuffix(providerSource, ".yml") {
_, err := os.Stat(providerSource)
if err == nil {
out, err := os.ReadFile(providerSource)
if err == nil {
absPath, err := filepath.Abs(providerSource)
if err != nil {
return nil, nil, err
}
retSource.File = absPath
return out, retSource, nil
}
}
}
// check if github
out, source, err := DownloadProviderGithub(providerSource, log)
if err != nil {
return nil, nil, errors.Wrap(err, "download github")
} else if len(out) > 0 {
return out, source, nil
}
return nil, nil, fmt.Errorf("unrecognized provider type, please specify either a local file, url or github repository")
}
func DownloadProviderGithub(originalPath string, log log.Logger) ([]byte, *provider2.ProviderSource, error) {
path := strings.TrimPrefix(originalPath, "github.com/")
// resolve release
release := ""
index := strings.LastIndex(path, "@")
if index != -1 {
release = path[index+1:]
path = path[:index]
}
// split by separator
splitted := strings.Split(strings.TrimSuffix(path, "/"), "/")
if len(splitted) == 1 {
path = "loft-sh/devpod-provider-" + path
} else if len(splitted) != 2 {
return nil, nil, nil
}
// get latest release
requestURL := ""
if release == "" {
requestURL = fmt.Sprintf("https://github.com/%s/releases/latest/download/provider.yaml", path)
} else {
requestURL = fmt.Sprintf("https://github.com/%s/releases/download/%s/provider.yaml", path, release)
}
// download
body, err := download.File(requestURL, log)
if err != nil {
return nil, nil, errors.Wrap(err, "download")
}
defer body.Close()
// read body
out, err := io.ReadAll(body)
if err != nil {
return nil, nil, err
}
return out, &provider2.ProviderSource{
Raw: originalPath,
Github: path,
}, nil
}
func downloadProvider(url string) ([]byte, error) {
// initiate download
resp, err := devpodhttp.GetHTTPClient().Get(url)
if err != nil {
return nil, errors.Wrap(err, "download binary")
}
defer resp.Body.Close()
return io.ReadAll(resp.Body)
}
func updateProvider(devPodConfig *config.Config, providerName string, raw []byte, source *provider2.ProviderSource, log log.Logger) (*provider2.ProviderConfig, error) {
providerConfig, err := provider2.ParseProvider(bytes.NewReader(raw))
if err != nil {
return nil, err
}
providerConfig.Source = *source
if providerName != "" {
providerConfig.Name = providerName
}
if providerConfig.Options == nil {
providerConfig.Options = map[string]*types.Option{}
}
// update options
for optionName := range devPodConfig.Current().Providers[providerConfig.Name].Options {
_, ok := providerConfig.Options[optionName]
if !ok {
delete(devPodConfig.Current().Providers[providerConfig.Name].Options, optionName)
}
}
err = config.SaveConfig(devPodConfig)
if err != nil {
return nil, err
}
binariesDir, err := provider2.GetProviderBinariesDir(devPodConfig.DefaultContext, providerConfig.Name)
if err != nil {
return nil, errors.Wrap(err, "get binaries dir")
}
_, err = binaries.DownloadBinaries(providerConfig.Binaries, binariesDir, log)
if err != nil {
_ = os.RemoveAll(binariesDir)
return nil, errors.Wrap(err, "download binaries")
}
err = provider2.SaveProviderConfig(devPodConfig.DefaultContext, providerConfig)
if err != nil {
return nil, err
}
return providerConfig, nil
}
func installRawProvider(devPodConfig *config.Config, providerName string, raw []byte, source *provider2.ProviderSource, log log.Logger) (*provider2.ProviderConfig, error) {
providerConfig, err := provider2.ParseProvider(bytes.NewReader(raw))
if err != nil {
return nil, err
}
return installProvider(devPodConfig, providerConfig, providerName, source, log)
}
func installProvider(devPodConfig *config.Config, providerConfig *provider2.ProviderConfig, providerName string, source *provider2.ProviderSource, log log.Logger) (*provider2.ProviderConfig, error) {
providerConfig.Source = *source
if providerName != "" {
providerConfig.Name = providerName
}
if devPodConfig.Current().Providers[providerConfig.Name] != nil {
return nil, fmt.Errorf("provider %s already exists. Please run 'devpod provider delete %s' before adding the provider", providerConfig.Name, providerConfig.Name)
}
providerDir, err := provider2.GetProviderDir(devPodConfig.DefaultContext, providerConfig.Name)
if err != nil {
return nil, err
}
_, err = os.Stat(providerDir)
if err == nil {
return nil, fmt.Errorf("provider %s already exists. Please run 'devpod provider delete %s' before adding the provider", providerConfig.Name, providerConfig.Name)
}
binariesDir, err := provider2.GetProviderBinariesDir(devPodConfig.DefaultContext, providerConfig.Name)
if err != nil {
return nil, errors.Wrap(err, "get binaries dir")
}
_, err = binaries.DownloadBinaries(providerConfig.Binaries, binariesDir, log)
if err != nil {
_ = os.RemoveAll(providerDir)
return nil, errors.Wrap(err, "download binaries")
}
err = provider2.SaveProviderConfig(devPodConfig.DefaultContext, providerConfig)
if err != nil {
return nil, err
}
return providerConfig, nil
}
func FindProvider(devPodConfig *config.Config, name string, log log.Logger) (*ProviderWithOptions, error) {
retProviders, err := LoadAllProviders(devPodConfig, log)
if err != nil {
return nil, err
} else if retProviders[name] == nil {
return nil, fmt.Errorf("couldn't find provider with name %s. Please make sure to add the provider via 'devpod provider add'", name)
}
return retProviders[name], nil
}
func LoadAllProviders(devPodConfig *config.Config, log log.Logger) (map[string]*ProviderWithOptions, error) {
retProviders := map[string]*ProviderWithOptions{}
defaultContext := devPodConfig.Current()
for providerName, providerState := range defaultContext.Providers {
if retProviders[providerName] != nil {
retProviders[providerName].State = providerState
continue
}
// try to load provider config
providerConfig, err := provider2.LoadProviderConfig(devPodConfig.DefaultContext, providerName)
if err != nil {
log.Warnf("Error loading provider '%s': %v", providerName, err)
continue
}
retProviders[providerName] = &ProviderWithOptions{
Config: providerConfig,
State: providerState,
}
}
// list providers from the dir that are currently not configured
providerDir, err := provider2.GetProvidersDir(devPodConfig.DefaultContext)
if err != nil {
return nil, err
}
entries, err := os.ReadDir(providerDir)
if err != nil && !os.IsNotExist(err) {
return nil, err
}
for _, entry := range entries {
if retProviders[entry.Name()] != nil {
continue
}
providerConfig, err := provider2.LoadProviderConfig(devPodConfig.DefaultContext, entry.Name())
if err != nil {
return nil, err
}
retProviders[providerConfig.Name] = &ProviderWithOptions{
Config: providerConfig,
}
}
return retProviders, nil
}