def histogram_snippet(
request: Request,
cluster: str,
environment: str,
topology: str,
instance: str,
) -> HTMLResponse:
"""Render a HTML snippet containing jmap histogram output of container."""
# use a function to DRY up these container API methods
physical_plan = tracker.get_physical_plan(cluster, environment, topology)
host = physical_plan["stmgrs"][physical_plan["instances"][instance]
["stmgrId"]]["host"]
info = tracker.get_instance_mem_histogram(cluster, environment, topology,
instance)
command = info["command"]
stdout = info["stdout"]
return templates.TemplateResponse(
"shell.snip.html",
{
"request": request,
"host": host,
"command": command,
"output": stdout,
},
)
def jmap_snippet(
request: Request,
cluster: str,
environment: str,
topology: str,
instance: str,
) -> HTMLResponse:
"""Render a HTML snippet containing jmap output of container."""
physical_plan = tracker.get_physical_plan(cluster, environment, topology)
host = physical_plan["stmgrs"][physical_plan["instances"][instance]
["stmgrId"]]["host"]
info = tracker.run_instance_jmap(cluster, environment, topology, instance)
command = info["command"]
stdout = info["stdout"]
info = """
<ul>
<li>May take longer than usual (1-2 minutes) please be patient.</li>
<li>Use SCP to copy heap dump files from host. (SCP {host}:/tmp/heap.bin /tmp/)</li>
</ul>
"""
return templates.TemplateResponse(
"shell.snip.html",
{
"request": request,
"host": host,
"command": command,
"output": stdout,
"info": info,
},
)
def physical_plan_json(cluster: str, environment: str,
topology: str) -> ApiEnvelope:
"""Return the physical plan object for a topology."""
return api_topology_json(lambda: tracker.get_physical_plan(
cluster,
environment,
topology,
None,
))
def pid_snippet(
request: Request,
cluster: str,
environment: str,
topology: str,
instance: str,
) -> Response:
"""Render a HTML snippet containing topology output of container."""
physical_plan = tracker.get_physical_plan(cluster, environment, topology)
host = physical_plan["stmgrs"][physical_plan["instances"][instance]
["stmgrId"]]["host"]
info = tracker.get_instance_pid(cluster, environment, topology, instance)
command = info["command"]
stdout = info["stdout"]
return templates.TemplateResponse(
"shell.snip.html",
{
"request": request,
"host": host,
"command": command,
"output": stdout,
},
)