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embed.go
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embed.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.VEGA file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package protos
import (
"embed"
"strings"
"gopkg.in/yaml.v2"
)
// We are going to use the path defined in the rules to ensure that only valid paths
// are recorded by the metrics. Rather than keeping a separate list in code that needs
// to be updated. We can embed the bindings files as the paths will need to be maintained
// here anyway.
//go:embed sources/vega/grpc-rest-bindings.yml sources/data-node/grpc-rest-bindings.yml
var FS embed.FS
type Rule struct {
Selector string `yaml:"selector"`
Post *string `yaml:"post"`
Get *string `yaml:"get"`
Body *string `yaml:"body"`
}
type Rules struct {
Rules []Rule `yaml:"rules"`
}
type Bindings struct {
HTTP Rules `yaml:"http"`
}
func CoreBindings() (*Bindings, error) {
b, err := FS.ReadFile("sources/vega/grpc-rest-bindings.yml")
if err != nil {
return nil, err
}
var bindings Bindings
err = yaml.Unmarshal(b, &bindings)
if err != nil {
return nil, err
}
return &bindings, nil
}
func DataNodeBindings() (*Bindings, error) {
b, err := FS.ReadFile("sources/data-node/grpc-rest-bindings.yml")
if err != nil {
return nil, err
}
var bindings Bindings
err = yaml.Unmarshal(b, &bindings)
if err != nil {
return nil, err
}
return &bindings, nil
}
func (b *Bindings) HasRoute(method, path string) bool {
method = strings.ToLower(method)
for _, rule := range b.HTTP.Rules {
var route string
switch method {
case "get":
if rule.Get == nil {
continue
}
route = *rule.Get
case "post":
if rule.Post == nil {
continue
}
route = *rule.Post
default:
return false
}
if strings.Contains(route, "/{") {
route = strings.Split(route, "/{")[0]
}
if strings.Contains(path, route) {
return true
}
}
return false
}