Make header information in mails sent by the mail sink optional (MAIN-1854)

docs/configuration/sinks/mail.rst

@@ -29,6 +29,11 @@ Configuring the mail sink
         - mail_sink:
             name: mail_sink
             mailto: "mailtos://user:password@server&from=a@x&to=b@y,c@z"
+            with_header: false  # optional
+
+The default value of the optional `with_header` parameter is `true`. If set to `false`, mails
+sent by this sink will *not* include header information, such as the finding header, investigate
+button and the source of the notification.
 
 .. note::
 

src/robusta/core/sinks/mail/mail_sink.py

@@ -15,4 +15,4 @@ def __init__(self, sink_config: MailSinkConfigWrapper, registry):
         )
 
     def write_finding(self, finding: Finding, platform_enabled: bool):
-        self.sender.send_finding(finding, platform_enabled)
+        self.sender.send_finding(finding, platform_enabled, self.params.with_header)

src/robusta/core/sinks/mail/mail_sink_params.py

@@ -1,3 +1,5 @@
+from typing import Optional
+
 from pydantic import validator
 
 from robusta.core.sinks.sink_base_params import SinkBaseParams
@@ -6,6 +8,7 @@
 
 class MailSinkParams(SinkBaseParams):
     mailto: str
+    with_header: Optional[bool] = True
 
     @classmethod
     def _get_sink_type(cls):

src/robusta/integrations/mail/sender.py

@@ -22,18 +22,20 @@ def __init__(self, mailto: str, account_id: str, cluster_name: str, signing_key:
         self.account_id = account_id
         self.cluster_name = cluster_name
 
-    def send_finding(self, finding: Finding, platform_enabled: bool):
+    def send_finding(self, finding: Finding, platform_enabled: bool, include_headers: bool):
         blocks: List[BaseBlock] = []
 
         status: FindingStatus = (
             FindingStatus.RESOLVED if finding.title.startswith("[RESOLVED]") else FindingStatus.FIRING
         )
-        blocks.append(self.__create_finding_header(finding, status))
 
-        if platform_enabled:
-            blocks.append(self.create_links(finding, html_class="header_links"))
+        if include_headers:
+            blocks.append(self.__create_finding_header(finding, status))
+            if platform_enabled:
+                blocks.append(self.create_links(finding, html_class="header_links"))
+
+            blocks.append(MarkdownBlock(text=f"*Source:* `{self.cluster_name}`"))
 
-        blocks.append(MarkdownBlock(text=f"*Source:* `{self.cluster_name}`"))
         if finding.description:
             if finding.source == FindingSource.PROMETHEUS:
                 blocks.append(MarkdownBlock(f"{Emojis.Alert.value} *Alert:* {finding.description}"))