/
client.go
87 lines (78 loc) · 2.88 KB
/
client.go
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package slack
import (
"context"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/Invicton-Labs/go-common/aws/ssm"
"github.com/Invicton-Labs/go-common/log"
"github.com/Invicton-Labs/go-stackerr"
"github.com/slack-go/slack"
)
type SlackParameter struct {
Token string `json:"token"`
StatusMessageChannel string `json:"status_message_channel"`
StatusMessageTimestamp string `json:"status_message_timestamp"`
MonitoringChannel string `json:"monitoring_channel"`
}
type slackLogger struct {
ddl log.DynamicDefaultLogger
}
type Client struct {
*slack.Client
parameters SlackParameter
}
func (c *Client) UpdateStatusMessage(blocks ...slack.Block) stackerr.Error {
now := time.Now()
blocks = append([]slack.Block{
slack.NewHeaderBlock(slack.NewTextBlockObject(slack.PlainTextType, "Status Tracker", false, false)),
slack.NewContextBlock("", slack.NewTextBlockObject(slack.MarkdownType, fmt.Sprintf("*Last Updated:* <!date^%d^{date_num} {time_secs}|%s>", now.Unix(), now.UTC().Format(time.RFC3339)), false, false)),
}, blocks...)
if _, _, _, err := c.UpdateMessage(c.parameters.StatusMessageChannel, c.parameters.StatusMessageTimestamp, slack.MsgOptionBlocks(
blocks...,
)); err != nil {
return stackerr.Wrap(err)
}
return nil
}
func (sl *slackLogger) Output(calldepth int, message string) error {
sl.ddl.Logger().WithAdditionalSkippedFrames(calldepth + 1).Infof(message)
return nil
}
func GetParameter(ctx context.Context, ssmParamName string) (*SlackParameter, stackerr.Error) {
// Load the secret from Secrets Manager
slackParamString, err := ssm.GetSsmParameter(ctx, ssmParamName)
if err != nil {
return nil, err
}
parameter := SlackParameter{}
if err := json.Unmarshal([]byte(*slackParamString), ¶meter); err != nil {
return nil, stackerr.Wrap(err)
}
if parameter.Token == "" {
return nil, stackerr.Errorf("No 'token' found in Slack SSM parameter")
}
if parameter.MonitoringChannel == "" {
return nil, stackerr.Errorf("No 'monitoring_channel' found in Slack SSM parameter")
}
if parameter.StatusMessageTimestamp == "" {
return nil, stackerr.Errorf("No 'status_message_channel' found in Slack SSM parameter")
}
if parameter.StatusMessageTimestamp == "" {
return nil, stackerr.Errorf("No 'status_message_timestamp' found in Slack SSM parameter")
}
return ¶meter, nil
}
func NewClient(params *SlackParameter, httpClient *http.Client) *Client {
return &Client{
Client: slack.New(params.Token, slack.OptionDebug(false), slack.OptionHTTPClient(httpClient), slack.OptionLog(&slackLogger{
ddl: log.NewDynamicDefaultLogger(func(input log.NewInput) log.NewInput {
// Remove any write hooks for this logger, since that could create a recursive loop (slack error going to slack)
input.WriteHooks = nil
return input
}),
})),
parameters: *params,
}
}