corso/src/cli/config/storage.go
Keepers 6cdc691c6f
correct the corso module (#749)
swaps the corso go module from github.com/
alcionai/corso to github.com/alcionai/corso/src
to align with the location of the go.mod and
go.sum files inside the repo.

All other changes in the repository update the
package imports to the new module path.
2022-09-07 15:50:54 -06:00

109 lines
3.2 KiB
Go

package config
import (
"os"
"path/filepath"
"github.com/aws/aws-sdk-go/aws/defaults"
"github.com/pkg/errors"
"github.com/spf13/viper"
"github.com/alcionai/corso/src/cli/utils"
"github.com/alcionai/corso/src/internal/common"
"github.com/alcionai/corso/src/pkg/credentials"
"github.com/alcionai/corso/src/pkg/storage"
)
// prerequisite: readRepoConfig must have been run prior to this to populate the global viper values.
func s3ConfigsFromViper(vpr *viper.Viper) (storage.S3Config, error) {
var s3Config storage.S3Config
providerType := vpr.GetString(StorageProviderTypeKey)
if providerType != storage.ProviderS3.String() {
return s3Config, errors.New("unsupported storage provider: " + providerType)
}
s3Config.Bucket = vpr.GetString(BucketNameKey)
s3Config.Endpoint = vpr.GetString(EndpointKey)
s3Config.Prefix = vpr.GetString(PrefixKey)
return s3Config, nil
}
func s3Overrides(in map[string]string) map[string]string {
return map[string]string{
storage.Bucket: in[storage.Bucket],
storage.Endpoint: in[storage.Endpoint],
storage.Prefix: in[storage.Prefix],
StorageProviderTypeKey: in[StorageProviderTypeKey],
}
}
// configureStorage builds a complete storage configuration from a mix of
// viper properties and manual overrides.
func configureStorage(
vpr *viper.Viper,
readConfigFromViper bool,
overrides map[string]string,
) (storage.Storage, error) {
var (
s3Cfg storage.S3Config
store storage.Storage
err error
)
if readConfigFromViper {
if s3Cfg, err = s3ConfigsFromViper(vpr); err != nil {
return store, errors.Wrap(err, "reading s3 configs from corso config file")
}
if err := mustMatchConfig(vpr, s3Overrides(overrides)); err != nil {
return store, errors.Wrap(err, "verifying s3 configs in corso config file")
}
}
_, err = defaults.CredChain(defaults.Config().WithCredentialsChainVerboseErrors(true), defaults.Handlers()).Get()
if err != nil {
return store, errors.Wrap(err, "validating aws credentials")
}
s3Cfg = storage.S3Config{
Bucket: common.First(overrides[storage.Bucket], s3Cfg.Bucket, os.Getenv(storage.BucketKey)),
Endpoint: common.First(overrides[storage.Endpoint], s3Cfg.Endpoint, os.Getenv(storage.EndpointKey)),
Prefix: common.First(overrides[storage.Prefix], s3Cfg.Prefix, os.Getenv(storage.PrefixKey)),
}
// compose the common config and credentials
corso := credentials.GetCorso()
if err := corso.Validate(); err != nil {
return store, errors.Wrap(err, "validating corso credentials")
}
cCfg := storage.CommonConfig{
Corso: corso,
}
// the following is a hack purely for integration testing.
// the value is not required, and if empty, kopia will default
// to its routine behavior
if t, ok := vpr.Get("corso-testing").(bool); t && ok {
dir, _ := filepath.Split(vpr.ConfigFileUsed())
cCfg.KopiaCfgDir = dir
}
// ensure required properties are present
if err := utils.RequireProps(map[string]string{
storage.Bucket: s3Cfg.Bucket,
credentials.CorsoPassword: corso.CorsoPassword,
}); err != nil {
return storage.Storage{}, err
}
// build the storage
store, err = storage.NewStorage(storage.ProviderS3, s3Cfg, cCfg)
if err != nil {
return store, errors.Wrap(err, "configuring repository storage")
}
return store, nil
}