9e0f39f624
This moves the npm components that were loading the json file to go so that it can be handled as messages over the websocket This should serve as an example how to communicate with the backend Change-Id: I9fdeb420123034a549333ddb3aad45eea663cb09
88 lines
2.1 KiB
Go
Executable File
88 lines
2.1 KiB
Go
Executable File
/*
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Copyright (c) 2020 AT&T. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package webservice
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import (
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"encoding/json"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"time"
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)
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// basic structure for a given external dashboard
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// TODO: solidify the struct requirements for the input
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type extPlugins struct {
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ExtDashboard []interface{} `json:"external_dashboards"`
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}
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// cache the file so we don't have to reread every execution
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var pluginCache map[string]interface{}
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// getPlugins updates the pluginCache from file if needed
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func getPlugins() map[string]interface{} {
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if pluginCache == nil {
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err := getPluginsFromFile()
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if err != nil {
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log.Printf("Error attempting to get plugins from file: %s\n", err)
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}
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}
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return pluginCache
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}
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// TODO: add watcher to the json file to reload conf on change
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// Get dashboard links for Plugins if present in $HOME/.airshipui/plugins.json
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func getPluginsFromFile() error {
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var fileName string
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home, err := os.UserHomeDir()
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if err != nil {
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log.Printf("Error determining the home directory %s\n", err)
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}
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fileName = filepath.FromSlash(home + "/.airship/plugins.json")
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jsonFile, err := os.Open(fileName)
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if err != nil {
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return err
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}
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defer jsonFile.Close()
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byteValue, err := ioutil.ReadAll(jsonFile)
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if err != nil {
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return err
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}
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var plugins extPlugins
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err = json.Unmarshal(byteValue, &plugins)
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if err != nil {
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return err
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}
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log.Printf("Plugins found: %v\n", plugins)
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pluginCache = map[string]interface{}{
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"type": "plugins",
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"component": "dropdown",
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"timestamp": time.Now().UnixNano() / 1000000,
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"plugins": plugins,
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}
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return err
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}
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