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Merge pull request #1059 from grafana/matiasb/truncate-slack-title-block

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Truncate slack alert group title block below max size
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Matias Bordese 2023-01-03 08:50:57 -03:00 • committed by GitHub
commit 05524ab698
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 9 deletions
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24
engine/apps/alerts/incident_appearance/renderers/slack_renderer.py
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@ -1,6 +1,7 @@
import json
from django.apps import apps
from django.utils.text import Truncator
from apps.alerts.incident_appearance.renderers.base_renderer import AlertBaseRenderer, AlertGroupBaseRenderer
from apps.alerts.incident_appearance.templaters import AlertSlackTemplater
@ -18,26 +19,31 @@ class AlertSlackRenderer(AlertBaseRenderer):
return AlertSlackTemplater
def render_alert_blocks(self):
BLOCK_SECTION_TEXT_MAX_SIZE = 2800
blocks = []
title = Truncator(str_or_backup(self.templated_alert.title, "Alert"))
blocks.append(
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": str_or_backup(self.templated_alert.title, "Alert"),
"text": title.chars(BLOCK_SECTION_TEXT_MAX_SIZE),
},
}
)
if is_string_with_visible_characters(self.templated_alert.message):
message = self.templated_alert.message
BLOCK_SECTION_TEXT_MAX_SIZE = 2800
if len(message) > BLOCK_SECTION_TEXT_MAX_SIZE:
message = (
message[: BLOCK_SECTION_TEXT_MAX_SIZE - 3] + "... Message has been trimmed. "
"Check the whole content in Web"
)
blocks.append({"type": "section", "text": {"type": "mrkdwn", "text": message}})
message = Truncator(self.templated_alert.message)
truncate_wording = "... Message has been trimmed. Check the whole content in Web"
blocks.append(
{
"type": "section",
"text": {
"type": "mrkdwn",
"text": message.chars(BLOCK_SECTION_TEXT_MAX_SIZE, truncate=truncate_wording),
},
}
)
return blocks
def render_alert_attachments(self):