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Plugins: Transform plugin support (#20036)

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currently temporary separate http api
This commit is contained in:
Kyle Brandt
2019-10-29 12:22:31 -04:00
committed by GitHub
parent 69691fbd6e
commit 009d58c4a2
32 changed files with 2022 additions and 1187 deletions
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36
pkg/plugins/datasource_plugin.go
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@ -5,15 +5,16 @@ import (
"encoding/json"
"errors"
"fmt"
"os/exec"
"path"
"time"
"github.com/grafana/grafana/pkg/plugins/backendplugin"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/util/errutil"
datasourceV1 "github.com/grafana/grafana-plugin-model/go/datasource"
sdk "github.com/grafana/grafana-plugin-sdk-go"
sdk "github.com/grafana/grafana-plugin-sdk-go/datasource"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/plugins/datasource/wrapper"
@ -63,12 +64,6 @@ func (p *DataSourcePlugin) Load(decoder *json.Decoder, pluginDir string) error {
return nil
}
var handshakeConfig = plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "grafana_plugin_type",
MagicCookieValue: "datasource",
}
func (p *DataSourcePlugin) startBackendPlugin(ctx context.Context, log log.Logger) error {
p.log = log.New("plugin-id", p.Id)
@ -84,6 +79,7 @@ func (p *DataSourcePlugin) startBackendPlugin(ctx context.Context, log log.Logge
return nil
}
func (p *DataSourcePlugin) isVersionOne() bool {
return !p.SDK
}
@ -92,27 +88,7 @@ func (p *DataSourcePlugin) spawnSubProcess() error {
cmd := ComposePluginStartCommmand(p.Executable)
fullpath := path.Join(p.PluginDir, cmd)
var newClient *plugin.Client
if p.isVersionOne() {
newClient = plugin.NewClient(&plugin.ClientConfig{
HandshakeConfig: handshakeConfig,
Plugins: map[string]plugin.Plugin{p.Id: &datasourceV1.DatasourcePluginImpl{}},
Cmd: exec.Command(fullpath),
AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},
Logger: LogWrapper{Logger: p.log},
})
} else {
newClient = plugin.NewClient(&plugin.ClientConfig{
HandshakeConfig: handshakeConfig,
Plugins: map[string]plugin.Plugin{p.Id: &sdk.DatasourcePluginImpl{}},
Cmd: exec.Command(fullpath),
AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},
Logger: LogWrapper{Logger: p.log},
})
}
p.client = newClient
p.client = backendplugin.NewDatasourceClient(p.Id, fullpath, p.log)
rpcClient, err := p.client.Client()
if err != nil {
@ -124,7 +100,7 @@ func (p *DataSourcePlugin) spawnSubProcess() error {
return err
}
if p.isVersionOne() {
if p.client.NegotiatedVersion() == 1 {
plugin := raw.(datasourceV1.DatasourcePlugin)
tsdb.RegisterTsdbQueryEndpoint(p.Id, func(dsInfo *models.DataSource) (tsdb.TsdbQueryEndpoint, error) {