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This commit, - adds discord bot - adds discord notifier - adds required discord configurations into comm_config.yaml - adds discordgo module into go.mod - adds discord configs into all yaml files - adds apk add build-base into dockerfile Build Env
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| // Copyright (c) 2020 InfraCloud Technologies | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
| // this software and associated documentation files (the "Software"), to deal in | ||
| // the Software without restriction, including without limitation the rights to | ||
| // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
| // the Software, and to permit persons to whom the Software is furnished to do so, | ||
| // subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all | ||
| // copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
| // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
| // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
| // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
|
|
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| package bot | ||
|
|
||
| import ( | ||
| "strings" | ||
|
|
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| "github.com/bwmarrin/discordgo" | ||
| "github.com/infracloudio/botkube/pkg/config" | ||
| "github.com/infracloudio/botkube/pkg/execute" | ||
| "github.com/infracloudio/botkube/pkg/log" | ||
| ) | ||
|
|
||
| // DiscordBot listens for user's message, execute commands and sends back the response | ||
| type DiscordBot struct { | ||
| Token string | ||
| AllowKubectl bool | ||
| RestrictAccess bool | ||
| ClusterName string | ||
| ChannelID string | ||
| BotID string | ||
| DefaultNamespace string | ||
| } | ||
|
|
||
| // discordMessage contains message details to execute command and send back the result | ||
| type discordMessage struct { | ||
| Event *discordgo.MessageCreate | ||
| BotID string | ||
| Request string | ||
| Response string | ||
| IsAuthChannel bool | ||
| Session *discordgo.Session | ||
| } | ||
|
|
||
| // NewDiscordBot returns new Bot object | ||
| func NewDiscordBot(c *config.Config) Bot { | ||
| return &DiscordBot{ | ||
| Token: c.Communications.Discord.Token, | ||
| BotID: c.Communications.Discord.BotID, | ||
| AllowKubectl: c.Settings.Kubectl.Enabled, | ||
| RestrictAccess: c.Settings.Kubectl.RestrictAccess, | ||
| ClusterName: c.Settings.ClusterName, | ||
| ChannelID: c.Communications.Discord.Channel, | ||
| DefaultNamespace: c.Settings.Kubectl.DefaultNamespace, | ||
| } | ||
| } | ||
|
|
||
| // Start starts the DiscordBot websocket connection and listens for messages | ||
| func (b *DiscordBot) Start() { | ||
| api, err := discordgo.New("Bot " + b.Token) | ||
| if err != nil { | ||
| log.Error("error creating Discord session,", err) | ||
| return | ||
| } | ||
|
|
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| // Register the messageCreate func as a callback for MessageCreate events. | ||
| api.AddHandler(func(s *discordgo.Session, m *discordgo.MessageCreate) { | ||
| dm := discordMessage{ | ||
| Event: m, | ||
| BotID: b.BotID, | ||
| Session: s, | ||
| } | ||
|
|
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| dm.HandleMessage(b) | ||
| }) | ||
|
|
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| // Open a websocket connection to Discord and begin listening. | ||
| go func() { | ||
| err := api.Open() | ||
| if err != nil { | ||
| log.Error("error opening connection,", err) | ||
| return | ||
| } | ||
| }() | ||
|
|
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| log.Info("BotKube connected to Discord!") | ||
| } | ||
|
|
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| // HandleMessage handles the incomming messages | ||
| func (dm *discordMessage) HandleMessage(b *DiscordBot) { | ||
|
|
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| // Serve only if starts with mention | ||
| if !strings.HasPrefix(dm.Event.Content, "<@!"+dm.BotID+"> ") { | ||
| return | ||
| } | ||
|
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| log.Debugf("Discord incoming message: %+v", dm.Event.Content) | ||
|
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| // Serve only if current channel is in config | ||
| if b.ChannelID == dm.Event.ChannelID { | ||
| dm.IsAuthChannel = true | ||
| } | ||
|
|
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| // Trim the @BotKube prefix | ||
| dm.Request = strings.TrimPrefix(dm.Event.Content, "<@!"+dm.BotID+"> ") | ||
| if len(dm.Request) == 0 { | ||
| return | ||
| } | ||
|
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| e := execute.NewDefaultExecutor(dm.Request, b.AllowKubectl, b.RestrictAccess, b.DefaultNamespace, b.ClusterName, b.ChannelID, dm.IsAuthChannel) | ||
| dm.Response = e.Execute() | ||
| dm.Send() | ||
| } | ||
|
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| func (dm discordMessage) Send() { | ||
| // Upload message as a file if too long | ||
| if len(dm.Response) >= 2000 { | ||
| params := &discordgo.MessageSend{ | ||
| Content: dm.Request, | ||
| Files: []*discordgo.File{ | ||
| { | ||
| Name: "Response", | ||
| Reader: strings.NewReader(dm.Response), | ||
| }, | ||
| }, | ||
| } | ||
|
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| if _, err := dm.Session.ChannelMessageSendComplex(dm.Event.ChannelID, params); err != nil { | ||
| log.Error("Error in uploading file:", err) | ||
| } | ||
| return | ||
| } else if len(dm.Response) == 0 { | ||
| log.Info("Invalid request. Dumping the response") | ||
| return | ||
| } | ||
|
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| if _, err := dm.Session.ChannelMessageSend(dm.Event.ChannelID, dm.Response); err != nil { | ||
| log.Error("Error in sending message:", err) | ||
| } | ||
| } |
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