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Rendering: Add support for renderer token (#54425)

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(cherry picked from commit a4f75cc0438712c90b02d24740416f8615e3a0cb)
This commit is contained in:
Joan López de la Franca Beltran
2022-08-30 12:09:38 +02:00
committed by GitHub
parent 8291ec1e44
commit 6ec06f66b9
7 changed files with 79 additions and 46 deletions
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2
conf/defaults.ini
View File

@@ -1084,6 +1084,8 @@ container_name =
server_url =
# If the remote HTTP image renderer service runs on a different server than the Grafana server you may have to configure this to a URL where Grafana is reachable, e.g. http://grafana.domain/.
callback_url =
# An auth token that will be sent to and verified by the renderer. The renderer will deny any request without an auth token matching the one configured on the renderer side.
renderer_token = -
# Concurrent render request limit affects when the /render HTTP endpoint is used. Rendering many images at the same time can overload the server,
# which this setting can help protect against by only allowing a certain amount of concurrent requests.
concurrent_render_request_limit = 30

2
conf/sample.ini
View File

@@ -1045,6 +1045,8 @@
;server_url =
# If the remote HTTP image renderer service runs on a different server than the Grafana server you may have to configure this to a URL where Grafana is reachable, e.g. http://grafana.domain/.
;callback_url =
# An auth token that will be sent to and verified by the renderer. The renderer will deny any request without an auth token matching the one configured on the renderer side.
;renderer_token = -
# Concurrent render request limit affects when the /render HTTP endpoint is used. Rendering many images at the same time can overload the server,
# which this setting can help protect against by only allowing a certain amount of concurrent requests.
;concurrent_render_request_limit = 30

112
pkg/plugins/backendplugin/pluginextensionv2/rendererv2.pb.go
View File

@@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.28.0
// protoc v3.19.4
// protoc-gen-go v1.26.0
// protoc v3.21.4
// source: rendererv2.proto
package pluginextensionv2
@@ -86,6 +86,7 @@ type RenderRequest struct {
Timeout int32 `protobuf:"varint,8,opt,name=timeout,proto3" json:"timeout,omitempty"`
Timezone string `protobuf:"bytes,9,opt,name=timezone,proto3" json:"timezone,omitempty"`
Headers map[string]*StringList `protobuf:"bytes,10,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
AuthToken string `protobuf:"bytes,11,opt,name=authToken,proto3" json:"authToken,omitempty"`
}
func (x *RenderRequest) Reset() {
@@ -190,6 +191,13 @@ func (x *RenderRequest) GetHeaders() map[string]*StringList {
return nil
}
func (x *RenderRequest) GetAuthToken() string {
if x != nil {
return x.AuthToken
}
return ""
}
type RenderResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -249,6 +257,7 @@ type RenderCSVRequest struct {
Timeout int32 `protobuf:"varint,5,opt,name=timeout,proto3" json:"timeout,omitempty"`
Timezone string `protobuf:"bytes,6,opt,name=timezone,proto3" json:"timezone,omitempty"`
Headers map[string]*StringList `protobuf:"bytes,7,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
AuthToken string `protobuf:"bytes,8,opt,name=authToken,proto3" json:"authToken,omitempty"`
}
func (x *RenderCSVRequest) Reset() {
@@ -332,6 +341,13 @@ func (x *RenderCSVRequest) GetHeaders() map[string]*StringList {
return nil
}
func (x *RenderCSVRequest) GetAuthToken() string {
if x != nil {
return x.AuthToken
}
return ""
}
type RenderCSVResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -394,7 +410,7 @@ var file_rendererv2_proto_rawDesc = []byte{
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@@ -415,54 +431,58 @@ var file_rendererv2_proto_rawDesc = []byte{
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}
var (

2
pkg/plugins/backendplugin/pluginextensionv2/rendererv2.proto
View File

@@ -18,6 +18,7 @@ message RenderRequest {
int32 timeout = 8;
string timezone = 9;
map<string, StringList> headers = 10;
string authToken = 11;
}
message RenderResponse {
@@ -32,6 +33,7 @@ message RenderCSVRequest {
int32 timeout = 5;
string timezone = 6;
map<string, StringList> headers = 7;
string authToken = 8;
}
message RenderCSVResponse {

3
pkg/services/rendering/http_mode.go
View File

@@ -28,6 +28,8 @@ var netClient = &http.Client{
Transport: netTransport,
}
const authTokenHeader = "X-Auth-Token" //#nosec G101 -- This is a false positive
var (
remoteVersionFetchInterval time.Duration = time.Second * 15
remoteVersionFetchRetries uint = 4
@@ -141,6 +143,7 @@ func (rs *RenderingService) doRequest(ctx context.Context, url *url.URL, headers
return nil, err
}
req.Header.Set(authTokenHeader, rs.Cfg.RendererAuthToken)
req.Header.Set("User-Agent", fmt.Sprintf("Grafana/%s", rs.Cfg.BuildVersion))
for k, v := range headers {
req.Header[k] = v

2
pkg/services/rendering/plugin_mode.go
View File

@@ -41,6 +41,7 @@ func (rs *RenderingService) renderViaPlugin(ctx context.Context, renderKey strin
Timezone: isoTimeOffsetToPosixTz(opts.Timezone),
Domain: rs.domain,
Headers: headers,
AuthToken: rs.Cfg.RendererAuthToken,
}
rs.log.Debug("Calling renderer plugin", "req", req)
@@ -84,6 +85,7 @@ func (rs *RenderingService) renderCSVViaPlugin(ctx context.Context, renderKey st
Timeout: int32(opts.Timeout.Seconds()),
Timezone: isoTimeOffsetToPosixTz(opts.Timezone),
Headers: headers,
AuthToken: rs.Cfg.RendererAuthToken,
}
rs.log.Debug("Calling renderer plugin", "req", req)

2
pkg/setting/setting.go
View File

@@ -238,6 +238,7 @@ type Cfg struct {
CSVsDir string
RendererUrl string
RendererCallbackUrl string
RendererAuthToken string
RendererConcurrentRequestLimit int
// Security
@@ -1408,6 +1409,7 @@ func (cfg *Cfg) readRenderingSettings(iniFile *ini.File) error {
renderSec := iniFile.Section("rendering")
cfg.RendererUrl = valueAsString(renderSec, "server_url", "")
cfg.RendererCallbackUrl = valueAsString(renderSec, "callback_url", "")
cfg.RendererAuthToken = valueAsString(renderSec, "renderer_token", "-")
if cfg.RendererCallbackUrl == "" {
cfg.RendererCallbackUrl = AppUrl