3
0
corteza/messaging/provision.go
2020-01-18 07:05:10 +01:00

102 lines
2.4 KiB
Go

package messaging
import (
"context"
"io"
"github.com/pkg/errors"
"go.uber.org/zap"
"gopkg.in/yaml.v2"
"github.com/cortezaproject/corteza-server/messaging/importer"
"github.com/cortezaproject/corteza-server/messaging/service"
"github.com/cortezaproject/corteza-server/messaging/types"
"github.com/cortezaproject/corteza-server/pkg/auth"
impAux "github.com/cortezaproject/corteza-server/pkg/importer"
"github.com/cortezaproject/corteza-server/pkg/settings"
provision "github.com/cortezaproject/corteza-server/provision/messaging"
)
func provisionConfig(ctx context.Context, log *zap.Logger) (err error) {
log.Debug("running configuration provision")
var provisioned bool
// Make sure we have all full access for provisioning
ctx = auth.SetSuperUserContext(ctx)
if provisioned, err = isProvisioned(ctx); err != nil {
return err
} else if provisioned {
log.Debug("configuration already provisioned")
}
readers, err := impAux.ReadStatic(provision.Asset)
if err != nil {
return err
}
if provisioned {
return partialImportSettings(ctx, service.DefaultSettings, readers...)
}
return errors.Wrap(
importer.Import(ctx, readers...),
"could not provision configuration for messaging service",
)
}
// Provision ONLY when there are no channels (even if we find delete channels we abort provisioning
func isProvisioned(ctx context.Context) (bool, error) {
cc, _, err := service.DefaultChannel.With(ctx).Find(types.ChannelFilter{IncludeDeleted: true})
return len(cc) > 0, err
}
// Partial import of settings from provision files
func partialImportSettings(ctx context.Context, ss settings.Service, ff ...io.Reader) (err error) {
var (
// decoded content from YAML files
aux interface{}
si = settings.NewImporter()
// importer w/o permissions & roles
// we need only settings
imp = importer.NewImporter(nil, si, nil)
// current value
current settings.ValueSet
// unexisting values
unex settings.ValueSet
)
for _, f := range ff {
if err = yaml.NewDecoder(f).Decode(&aux); err != nil {
return
}
err = imp.Cast(aux)
if err != nil {
return
}
}
// Get all "current" settings storage
current, err = ss.FindByPrefix(ctx)
if err != nil {
return
}
// Compare current settings with imported, get all that do not exist yet
if unex = si.GetValues(); len(unex) > 0 {
// Store non existing
err = ss.BulkSet(ctx, current.New(unex))
if err != nil {
return
}
}
return nil
}