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Introduce TSDB service (#31520)

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* Introduce TSDB service

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Erik Sundell <erik.sundell87@gmail.com>
Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
This commit is contained in:
Arve Knudsen
2021-03-08 07:02:49 +01:00
committed by GitHub
parent c899bf3592
commit b79e61656a
203 changed files with 5270 additions and 4777 deletions
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94
pkg/plugins/models.go
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@ -3,55 +3,16 @@ package plugins
import (
"encoding/json"
"fmt"
"strings"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/plugins/backendplugin"
"github.com/grafana/grafana/pkg/setting"
)
var (
const (
PluginTypeApp = "app"
PluginTypeDashboard = "dashboard"
)
type PluginState string
var (
PluginStateAlpha PluginState = "alpha"
)
type PluginSignatureState struct {
Status PluginSignatureStatus
Type PluginSignatureType
SigningOrg string
}
type PluginSignatureStatus string
func (pss PluginSignatureStatus) IsValid() bool {
return pss == pluginSignatureValid
}
func (pss PluginSignatureStatus) IsInternal() bool {
return pss == pluginSignatureInternal
}
const (
pluginSignatureInternal PluginSignatureStatus = "internal" // core plugin, no signature
pluginSignatureValid PluginSignatureStatus = "valid" // signed and accurate MANIFEST
pluginSignatureInvalid PluginSignatureStatus = "invalid" // invalid signature
pluginSignatureModified PluginSignatureStatus = "modified" // valid signature, but content mismatch
pluginSignatureUnsigned PluginSignatureStatus = "unsigned" // no MANIFEST file
)
type PluginSignatureType string
const (
grafanaType PluginSignatureType = "grafana"
privateType PluginSignatureType = "private"
)
type PluginNotFoundError struct {
PluginID string
}
@ -60,25 +21,25 @@ func (e PluginNotFoundError) Error() string {
return fmt.Sprintf("plugin with ID %q not found", e.PluginID)
}
type duplicatePluginError struct {
type DuplicatePluginError struct {
Plugin *PluginBase
ExistingPlugin *PluginBase
}
func (e duplicatePluginError) Error() string {
func (e DuplicatePluginError) Error() string {
return fmt.Sprintf("plugin with ID %q already loaded from %q", e.Plugin.Id, e.ExistingPlugin.PluginDir)
}
func (e duplicatePluginError) Is(err error) bool {
func (e DuplicatePluginError) Is(err error) bool {
// nolint:errorlint
_, ok := err.(duplicatePluginError)
_, ok := err.(DuplicatePluginError)
return ok
}
// PluginLoader can load a plugin.
type PluginLoader interface {
// Load loads a plugin and registers it with the manager.
Load(decoder *json.Decoder, base *PluginBase, backendPluginManager backendplugin.Manager) error
// Load loads a plugin and returns it.
Load(decoder *json.Decoder, base *PluginBase, backendPluginManager backendplugin.Manager) (interface{}, error)
}
// PluginBase is the base plugin type.
@ -112,39 +73,6 @@ type PluginBase struct {
Root *PluginBase
}
func (pb *PluginBase) registerPlugin(base *PluginBase) error {
if p, exists := Plugins[pb.Id]; exists {
return duplicatePluginError{Plugin: pb, ExistingPlugin: p}
}
if !strings.HasPrefix(base.PluginDir, setting.StaticRootPath) {
plog.Info("Registering plugin", "id", pb.Id)
}
if len(pb.Dependencies.Plugins) == 0 {
pb.Dependencies.Plugins = []PluginDependencyItem{}
}
if pb.Dependencies.GrafanaVersion == "" {
pb.Dependencies.GrafanaVersion = "*"
}
for _, include := range pb.Includes {
if include.Role == "" {
include.Role = models.ROLE_VIEWER
}
}
// Copy relevant fields from the base
pb.PluginDir = base.PluginDir
pb.Signature = base.Signature
pb.SignatureType = base.SignatureType
pb.SignatureOrg = base.SignatureOrg
Plugins[pb.Id] = pb
return nil
}
type PluginDependencies struct {
GrafanaVersion string `json:"grafanaVersion"`
Plugins []PluginDependencyItem `json:"plugins"`
@ -214,11 +142,3 @@ type EnabledPlugins struct {
DataSources map[string]*DataSourcePlugin
Apps []*AppPlugin
}
func NewEnabledPlugins() EnabledPlugins {
return EnabledPlugins{
Panels: make([]*PanelPlugin, 0),
DataSources: make(map[string]*DataSourcePlugin),
Apps: make([]*AppPlugin, 0),
}
}