apphost.addon.logs

Read the last lines of the Buzz relay pod on a claimed AppHost site. One-shot tail, not a stream.

One-shot tail of the Buzz relay. Do not stream secrets into chat.

Overview

Property	Value
Workflow type	Dag
Library	App-apphost
Version	1.0

Input Schema

Field	Type	Required	Default	Description
site_uuid	uuid	Yes	—	—
addon	string	No	buzz	—
tail_lines	integer	No	80	—

Output Schema

Field	Type	Required	Default	Description
site_uuid	uuid	No	—	—
addon	string	No	—	—
tail_lines	integer	No	—	—
resolve	json	No	—	—
pods	json	No	—	—
pick	json	No	—	—
logs	json	No	—	—
ack	json	No	—	—
failure_reason	string	No	—	Engine-stamped failure reason
failure_type	string	No	—	Stable failure classification
failed_action	string	No	—	Action that failed
failed_at_state	string	No	—	State when the workflow failed
failed_step	json	No	—	Failed DAG step envelope
failed_layer	json	No	—	Failed DAG layer envelope
error	string	No	—	Engine-stamped exception message
error_type	string	No	—	Engine-stamped exception class name
compensation_trigger	json	No	—	—
comp_queue	json	No	—	—
comp_current_layer	json	No	—	—
comp_retry_count	json	No	—	—

DAG Layers

#	Layer	Steps	Compensation
1	resolve	apphost.addon.resolve	apphost.web.ack
2	pods	kubernetes.pod.list	apphost.web.ack
3	pick	apphost.addon.logs-pick	apphost.web.ack
4	logs	kubernetes.pod.logs	—

Execution Flow

Compensation

When any layer fails, its compensation steps run in reverse order to roll back the work completed so far.

Sub-workflows

Sub-workflow	Step name
apphost.addon.resolve	resolve
kubernetes.pod.list	pods
apphost.addon.logs-pick	pick
kubernetes.pod.logs	logs
apphost.web.ack	ack

Outcomes

Outcome	Type	Description	State Data Keys
read	SUCCESS	Relay logs returned	logs
failed	FAILURE	Apphost workflow failed	failure_reason

API Usage

POST /api/workflows/start
Content-Type: application/json

{
  "workflow_type": "apphost.addon.logs",
  "initial_data": {
    "site_uuid": "value"
  }
}