/
provider.go
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/
provider.go
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package provider
import (
"context"
"github.com/selefra/selefra-provider-sdk/provider/transformer/column_value_convertor"
"github.com/selefra/selefra-utils/pkg/reflect_util"
"go.uber.org/zap"
"github.com/selefra/selefra-provider-sdk/grpc/shard"
"github.com/selefra/selefra-provider-sdk/provider/schema"
"github.com/selefra/selefra-provider-sdk/provider/transformer"
)
// Provider To represent a source from which data can be retrieved, the Provider's implementation is to declare and configure this struct
type Provider struct {
shard.ProviderServer
// provider's name
Name string
// provider's version
Version string
// provider's description, let others know what this provider does in general
Description string
// A provider may have many tables. Here are the corresponding tables
TableList []*schema.Table
ConfigMeta ConfigMeta
EventCallback EventCallback
ClientMeta schema.ClientMeta
TransformerMeta schema.TransformerMeta
ErrorsHandlerMeta schema.ErrorsHandlerMeta
runtime *ProviderRuntime
}
var _ shard.ProviderServer = &Provider{}
const (
ErrMsgNotInitRuntime = "provider runtime not init"
)
// GetProviderInformation Obtain the information about the Provider, must after Init
func (x *Provider) GetProviderInformation(ctx context.Context, in *shard.GetProviderInformationRequest) (response *shard.GetProviderInformationResponse, err error) {
defer func() {
if r := recover(); r != nil {
response = &shard.GetProviderInformationResponse{
Name: x.Name,
Version: x.Version,
Tables: nil,
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec provider GetProviderInformation panic: %s", r),
}
x.ClientMeta.ErrorF("exec provider GetProviderInformation panic: %s", r)
}
}()
// runtime must already init
if x.runtime == nil {
return &shard.GetProviderInformationResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg(ErrMsgNotInitRuntime),
}, nil
}
defaultConfigTemplate := ""
if x.ConfigMeta.GetDefaultConfigTemplate != nil {
defaultConfigTemplate = x.ConfigMeta.GetDefaultConfigTemplate(ctx)
}
return &shard.GetProviderInformationResponse{
Name: x.Name,
Version: x.Version,
Tables: x.runtime.tableMap,
DefaultConfigTemplate: defaultConfigTemplate,
}, nil
}
// GetProviderConfig Obtain the configuration information of the Provider, must after Init
func (x *Provider) GetProviderConfig(ctx context.Context, in *shard.GetProviderConfigRequest) (response *shard.GetProviderConfigResponse, err error) {
defer func() {
if r := recover(); r != nil {
response = &shard.GetProviderConfigResponse{
Name: x.Name,
Version: x.Version,
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec provider GetProviderConfig panic: %s", r),
}
x.ClientMeta.ErrorF("exec provider GetProviderConfig panic: %s", r)
}
}()
// runtime must already init
if x.runtime == nil {
return &shard.GetProviderConfigResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg(ErrMsgNotInitRuntime),
}, nil
}
return &shard.GetProviderConfigResponse{
Name: x.Name,
Version: x.Version,
Config: x.ConfigMeta.runtime.providerConfigYamlString,
}, nil
}
// SetProviderConfig Set the configuration information of the Provider, must after Init
func (x *Provider) SetProviderConfig(ctx context.Context, request *shard.SetProviderConfigRequest) (response *shard.SetProviderConfigResponse, err error) {
defer func() {
if r := recover(); r != nil {
response = &shard.SetProviderConfigResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec provider SetProviderConfig panic: %s", r),
}
}
}()
diagnostics := schema.NewDiagnostics()
// runtime must already init
if x.runtime == nil {
return &shard.SetProviderConfigResponse{
Diagnostics: diagnostics.AddErrorMsg(ErrMsgNotInitRuntime),
}, nil
}
if x.ConfigMeta.runtime == nil {
return &shard.SetProviderConfigResponse{
Diagnostics: diagnostics.AddErrorMsg(ErrMsgNotInitRuntime),
}, nil
}
// 1. update config runtime
x.ConfigMeta.runtime.UpdateProviderConfig(ctx, request.ProviderConfig)
// 2. init ClientMeta, must after init config
clientMetaRuntime, d := schema.NewClientMetaRuntime(ctx, x.runtime.workspace, x.Name, x.Version, &x.ClientMeta, x.ConfigMeta.runtime.providerConfigViper, true)
if diagnostics.AddDiagnostics(d).HasError() {
return &shard.SetProviderConfigResponse{
Diagnostics: diagnostics,
}, nil
}
_ = reflect_util.SetStructPtrUnExportedStrField(&x.ClientMeta, "runtime", clientMetaRuntime)
// 3. update Storage, must after init client meta
if request.Storage != nil {
if diagnostics.AddDiagnostics(x.runtime.initStorage(ctx, request.Storage, &x.ClientMeta)).HasError() {
return &shard.SetProviderConfigResponse{
Diagnostics: diagnostics,
}, nil
}
}
return &shard.SetProviderConfigResponse{
Diagnostics: diagnostics,
}, nil
}
// -------------------------------------------------------------------------------------------------------------------------
// PullTables Pull the given resource
func (x *Provider) PullTables(ctx context.Context, request *shard.PullTablesRequest, sender shard.ProviderServerSender) (err error) {
defer func() {
if r := recover(); r != nil {
x.ClientMeta.ErrorF("exec PullTables panic", zap.Any("error", r))
err = sender.Send(&shard.PullTablesResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec PullTables panic: %s", r),
})
}
}()
// runtime must already init
if x.runtime == nil {
return sender.Send(&shard.PullTablesResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg(ErrMsgNotInitRuntime),
})
}
return x.runtime.PullTables(ctx, request, sender)
}
// ------------------------------------------------- ------------------------------------------------------------------------
func (x *Provider) DropTableAll(ctx context.Context, request *shard.ProviderDropTableAllRequest) (response *shard.ProviderDropTableAllResponse, err error) {
defer func() {
if r := recover(); r != nil {
response = &shard.ProviderDropTableAllResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec provider DropTableAll panic: %s", r),
}
}
}()
return &shard.ProviderDropTableAllResponse{Diagnostics: x.runtime.DropAllTables(ctx)}, nil
}
func (x *Provider) CreateAllTables(ctx context.Context, request *shard.ProviderCreateAllTablesRequest) (response *shard.ProviderCreateAllTablesResponse, err error) {
defer func() {
if r := recover(); r != nil {
response = &shard.ProviderCreateAllTablesResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec provider CreateAllTables panic: %s", r),
}
}
}()
return &shard.ProviderCreateAllTablesResponse{Diagnostics: x.runtime.CreateAllTables(ctx)}, nil
}
// ------------------------------------------------- ------------------------------------------------------------------------
func (x *Provider) Init(ctx context.Context, request *shard.ProviderInitRequest) (response *shard.ProviderInitResponse, err error) {
defer func() {
if r := recover(); r != nil {
response = &shard.ProviderInitResponse{
Diagnostics: schema.NewDiagnostics().AddErrorMsg("exec provider Init panic: %s", r),
}
}
}()
diagnostics := schema.NewDiagnostics()
// request must not nil
if request == nil {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics.AddErrorMsg("can not init, because request is nil"),
}, nil
}
// new runtime
runtime, d := NewProviderRuntime(ctx, x)
if diagnostics.AddDiagnostics(d).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
x.runtime = runtime
// init workspace
if diagnostics.AddDiagnostics(x.runtime.initWorkspace(ctx, request.Workspace)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
// init config and it's runtime
configRuntime, d := NewConfigRuntime(ctx, &x.ConfigMeta, request.ProviderConfig)
if diagnostics.AddDiagnostics(d).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
x.ConfigMeta.runtime = configRuntime
// init client meta, must after config init done, if on init give provider configuration, then init user's meta function, or else just init myself log
clientMetaRuntime, d := schema.NewClientMetaRuntime(ctx, x.runtime.workspace, x.Name, x.Version, &x.ClientMeta, configRuntime.providerConfigViper, len(configRuntime.providerConfigViper.AllKeys()) != 0)
if diagnostics.AddDiagnostics(d).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
_ = reflect_util.SetStructPtrUnExportedStrField(&x.ClientMeta, "runtime", clientMetaRuntime)
x.ClientMeta.DebugF("init client meta success, workspace = %s", x.runtime.workspace)
// init error handler meta runtime
errorHandlerMetaRuntime := schema.NewErrorsHandlerMetaRuntime(&x.ErrorsHandlerMeta)
_ = reflect_util.SetStructPtrUnExportedStrField(&x.ErrorsHandlerMeta, "runtime", errorHandlerMetaRuntime)
x.ClientMeta.Debug("init error handler runtime success")
// init runtime storage, must after client meta init done
if diagnostics.AddDiagnostics(runtime.initStorage(ctx, request.Storage, &x.ClientMeta)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
// init table runtime
if diagnostics.AddDiagnostics(x.runtime.initTablesRuntime(ctx, x)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
// ColumnValueConvertor priority:
// 1. provider's custom ColumnValueConvertor
// 2. if configuration DefaultColumnValueConvertor, use it, or else ignored it
// 3. use storage's ColumnValueConvertor, if it config it, or else ignored it
// 4. finally, use DefaultColumnValueConvertor
var columnValueConvertor schema.ColumnValueConvertor
if x.TransformerMeta.ColumnValueConvertor != nil {
columnValueConvertor = x.TransformerMeta.ColumnValueConvertor
} else {
if x.TransformerMeta.IsUseDefaultColumnValueConvertor() {
columnValueConvertor = column_value_convertor.NewDefaultTypeConvertor(&x.ClientMeta, x.TransformerMeta.DefaultColumnValueConvertorBlackList)
} else {
columnValueConvertor = x.runtime.storage.NewColumnValueConvertor()
}
if columnValueConvertor == nil {
columnValueConvertor = column_value_convertor.NewDefaultTypeConvertor(&x.ClientMeta, x.TransformerMeta.DefaultColumnValueConvertorBlackList)
}
}
// create transformer
x.runtime.transformer = transformer.NewTransformer(&x.ClientMeta, columnValueConvertor, &x.ErrorsHandlerMeta)
// provider check it self, must after table init done
if diagnostics.AddDiagnostics(x.runtime.validate(ctx, &x.ClientMeta)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
// at last, call the after install event callback
if request.IsInstallInit != nil && *request.IsInstallInit {
// create table
if diagnostics.AddDiagnostics(x.runtime.CreateAllTables(ctx)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
// is after install init
if x.EventCallback.AfterInstallInitEventCallback != nil {
// TODO
if diagnostics.AddDiagnostics(x.EventCallback.AfterInstallInitEventCallback(ctx, x)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
}
} else {
// if not install init
if x.EventCallback.InitEventCallback != nil {
// TODO
if diagnostics.AddDiagnostics(x.EventCallback.InitEventCallback(ctx, x)).HasError() {
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
}
}
return &shard.ProviderInitResponse{
Diagnostics: diagnostics,
}, nil
}
// ----------------------------------------------------------------------------------------------------------------------
func (x *Provider) Runtime() *ProviderRuntime {
return x.runtime
}
// ------------------------------------------------- --------------------------------------------------------------------