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slack.go
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slack.go
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package slack
import (
"fmt"
"strings"
"github.com/lunarway/release-manager/internal/artifact"
"github.com/lunarway/release-manager/internal/http"
"github.com/lunarway/release-manager/internal/log"
"github.com/nlopes/slack"
"github.com/pkg/errors"
)
type Client struct {
client *slack.Client
emailMappings map[string]string
}
var (
// ErrUnknownEmail indicates that an email not from the lunarway.com domain
// is used and no email mapping exists.
ErrUnknownEmail = errors.New("not a lunarway email")
)
func NewClient(token string, emailMappings map[string]string) (*Client, error) {
log.Infof("slack: new client: initialized with emailMappings: %+v", emailMappings)
slackClient := slack.New(token)
client := Client{
client: slackClient,
emailMappings: emailMappings,
}
return &client, nil
}
func (c *Client) getIdByEmail(email string) (string, error) {
if !strings.Contains(email, "@lunarway.com") {
// check for fallback emails
lwEmail, ok := c.emailMappings[email]
if !ok {
log.Errorf("%s is not a Lunar Way email and no mapping exist", email)
return "", ErrUnknownEmail
}
email = lwEmail
}
user, err := c.client.GetUserByEmail(email)
if err != nil {
return "", err
}
return user.ID, nil
}
func (c *Client) UpdateSlackBuildStatus(channel, title, titleLink, text, color, timestamp string) (string, string, error) {
asUser := slack.MsgOptionAsUser(true)
attachments := slack.MsgOptionAttachments(slack.Attachment{
Title: title,
TitleLink: titleLink,
Color: color,
Text: text,
MarkdownIn: []string{"text", "fields"},
})
respChannel, timestamp, _, err := c.client.UpdateMessage(channel, timestamp, asUser, attachments)
if err != nil {
return "", "", err
}
return respChannel, timestamp, nil
}
func (c *Client) PostSlackBuildStarted(email, title, titleLink, text, color string) (string, string, error) {
userID, err := c.getIdByEmail(email)
if err != nil {
return "", "", err
}
asUser := slack.MsgOptionAsUser(true)
attachments := slack.MsgOptionAttachments(slack.Attachment{
Title: title,
TitleLink: titleLink,
Color: color,
Text: text,
MarkdownIn: []string{"text", "fields"},
})
respChannel, timestamp, err := c.client.PostMessage(userID, asUser, attachments)
if err != nil {
return "", "", err
}
return respChannel, timestamp, err
}
func (c *Client) PostPrivateMessage(email, env, service string, artifact artifact.Spec, podNotify *http.PodNotifyRequest) error {
userID, err := c.getIdByEmail(email)
if err != nil {
return err
}
asUser := slack.MsgOptionAsUser(true)
switch podNotify.State {
case "CrashLoopBackOff":
_, _, err := c.client.PostMessage(userID, asUser, crashLoopBackOffErrorMessage(env, service, artifact, podNotify))
if err != nil {
return err
}
case "CreateContainerConfigError":
_, _, err := c.client.PostMessage(userID, asUser, createConfigErrorMessage(env, service, artifact, podNotify))
if err != nil {
return err
}
case "Running", "Ready":
_, _, err := c.client.PostMessage(userID, asUser, successMessage(env, service, artifact, podNotify))
if err != nil {
return err
}
default:
return errors.New("unknown pod state in post private message")
}
return nil
}
func successMessage(env, service string, artifact artifact.Spec, podNotify *http.PodNotifyRequest) slack.MsgOption {
return slack.MsgOptionAttachments(slack.Attachment{
Title: fmt.Sprintf("%s (%s)", service, artifact.ID),
Text: fmt.Sprintf("*Environment:* %s\n:white_check_mark: *%s* (%s)", env, podNotify.Name, podNotify.State),
Color: "#73bf69",
MarkdownIn: []string{"text", "fields"},
})
}
func createConfigErrorMessage(env, service string, artifact artifact.Spec, podNotify *http.PodNotifyRequest) slack.MsgOption {
messageField := slack.AttachmentField{
Title: "Error",
Value: fmt.Sprintf("```%s```", podNotify.Message),
Short: false,
}
return slack.MsgOptionAttachments(slack.Attachment{
Title: fmt.Sprintf("%s (%s)", service, artifact.ID),
Text: fmt.Sprintf("*Environment:* %s\n:no_entry: *%s* (%s)\n", env, podNotify.Name, podNotify.State),
Color: "#e24d42",
MarkdownIn: []string{"text", "fields"},
Fields: []slack.AttachmentField{messageField},
})
}
func crashLoopBackOffErrorMessage(env, service string, artifact artifact.Spec, podNotify *http.PodNotifyRequest) slack.MsgOption {
logField := slack.AttachmentField{
Title: "Logs",
Value: fmt.Sprintf("```%s```", podNotify.Logs),
Short: false,
}
return slack.MsgOptionAttachments(slack.Attachment{
Title: fmt.Sprintf("%s (%s)", service, artifact.ID),
Text: fmt.Sprintf("*Environment:* %s\n:no_entry: *%s* (%s)\n", env, podNotify.Name, podNotify.State),
Color: "#e24d42",
MarkdownIn: []string{"text", "fields"},
Fields: []slack.AttachmentField{logField},
})
}
type ReleaseOptions struct {
Service string
ArtifactID string
CommitSHA string
CommitLink string
CommitMessage string
CommitAuthor string
Releaser string
Environment string
}
func (c *Client) NotifySlackReleasesChannel(options ReleaseOptions) error {
asUser := slack.MsgOptionAsUser(true)
attachments := slack.MsgOptionAttachments(slack.Attachment{
Title: fmt.Sprintf("%s (%s)", options.Service, options.ArtifactID),
TitleLink: options.CommitLink,
Color: MsgColorGreen,
Text: fmt.Sprintf("*Author:* %s, *Releaser:* %s\n*Message:* _%s_", options.CommitAuthor, options.Releaser, options.CommitMessage),
MarkdownIn: []string{"text", "fields"},
})
_, _, err := c.client.PostMessage(fmt.Sprintf("#releases-%s", options.Environment), asUser, attachments)
if err != nil {
return err
}
return err
}
type BuildsOptions struct {
Service string
ArtifactID string
Branch string
CommitSHA string
CommitLink string
CommitMessage string
CommitAuthor string
CIJobURL string
Color string
}
func (c *Client) NotifySlackBuildsChannel(options BuildsOptions) error {
asUser := slack.MsgOptionAsUser(true)
attachments := slack.MsgOptionAttachments(slack.Attachment{
Title: fmt.Sprintf("%s (%s)", options.Service, options.ArtifactID),
TitleLink: options.CIJobURL,
Color: options.Color,
Text: fmt.Sprintf("*Author:* %s (<%s|%s>)\n*Message:* _%s_", options.CommitAuthor, options.CommitLink, options.CommitSHA[0:10], options.CommitMessage),
MarkdownIn: []string{"text", "fields"},
})
_, _, err := c.client.PostMessage("#builds", asUser, attachments)
if err != nil {
return err
}
return err
}
func (c *Client) NotifySlackPolicyFailed(email, title, errorMessage string) error {
userID, err := c.getIdByEmail(email)
if err != nil {
return err
}
asUser := slack.MsgOptionAsUser(true)
attachments := slack.MsgOptionAttachments(slack.Attachment{
Title: title,
Color: MsgColorRed,
Text: fmt.Sprintf("```%s```", errorMessage),
MarkdownIn: []string{"text", "fields"},
})
_, _, err = c.client.PostMessage(userID, asUser, attachments)
if err != nil {
return err
}
return nil
}
func (c *Client) NotifySlackPolicySucceeded(email, title, message string) error {
userID, err := c.getIdByEmail(email)
if err != nil {
return err
}
asUser := slack.MsgOptionAsUser(true)
attachments := slack.MsgOptionAttachments(slack.Attachment{
Title: title,
Color: MsgColorGreen,
Text: message,
MarkdownIn: []string{"text", "fields"},
})
_, _, err = c.client.PostMessage(userID, asUser, attachments)
if err != nil {
return err
}
return nil
}