class Dashboard(g.Dashboard):
time = attr.ib(default=g.Time("now-30d", "now"))
templating = attr.ib(
default=g.Templating(
list=[
# Make it possible to use $source as a source.
g.Template(name="source", type="datasource", query="prometheus")
]
)
)
def run(self):
templateList = [
G.Template(default="",
dataSource="default",
name="serverid",
label="ServerID",
query="label_values(serverid)")
]
dashboard = G.Dashboard(title=self.options.title,
templating=G.Templating(list=templateList))
# Simple table processing - could be enhanced to use GridPos etc.
for metric in metrics:
if 'section' in metric:
dashboard.rows.append(
G.Row(title=metric['section'], showTitle=True))
continue
if 'row' in metric:
dashboard.rows.append(G.Row(title='', showTitle=False))
continue
graph = G.Graph(title=metric['title'],
dataSource='default',
maxDataPoints=1000,
legend=G.Legend(show=True,
alignAsTable=True,
min=True,
max=True,
avg=True,
current=True,
total=True,
sort='max',
sortDesc=True),
yAxes=G.single_y_axis())
ref_id = 'A'
for texp in metric['expr']:
graph.targets.append(G.Target(expr=texp, refId=ref_id))
ref_id = chr(ord(ref_id) + 1)
dashboard.rows[-1].panels.append(graph)
# Auto-number panels - returns new dashboard
dashboard = dashboard.auto_panel_ids()
s = io.StringIO()
write_dashboard(dashboard, s)
print("""{
"dashboard": %s
}
""" % s.getvalue())
def Dashboard(**kwargs):
"""Standard Weave Cloud dashboard.
Automatically sets panel ids and applies events from Weave Cloud as annotations.
"""
defaultTemplates = [G.Template(
label="Datasource",
name="datasource",
type="datasource",
query="prometheus",
)]
if "templating" in kwargs:
extraTemplates = kwargs["templating"].list
else:
extraTemplates = []
kwargs["templating"] = G.Templating(list=defaultTemplates + extraTemplates)
return G.Dashboard(
refresh='1m', # Override the default of 10s
**kwargs
).auto_panel_ids()
templating=g.Templating(
list=[
d.SOURCE_TEMPLATE,
g.Template(
name="secondary_source",
type="datasource",
query="prometheus",
),
g.Template(
name="timeshift",
type="interval",
query="",
),
g.Template(
name="etcd_type",
type="query",
dataSource="$source",
regex=r"\*\[+\]+(.*)",
query="label_values(etcd_request_duration_seconds_count, type)",
multi=True,
includeAll=True,
refresh=g.REFRESH_ON_TIME_RANGE_CHANGE,
),
g.Template(
name="etcd_operation",
type="query",
dataSource="$source",
query="label_values(etcd_request_duration_seconds_count, operation)",
multi=True,
includeAll=True,
refresh=g.REFRESH_ON_TIME_RANGE_CHANGE,
),
g.Template(
name="verb",
type="query",
dataSource="$source",
query="label_values(apiserver_request_duration_seconds_count, verb)",
multi=True,
includeAll=True,
refresh=g.REFRESH_ON_TIME_RANGE_CHANGE,
),
g.Template(
name="resource",
type="query",
dataSource="$source",
regex="(.*)s",
query="label_values(apiserver_request_duration_seconds_count, resource)",
multi=True,
includeAll=True,
refresh=g.REFRESH_ON_TIME_RANGE_CHANGE,
),
]
),
class Dashboard(g.Dashboard):
time = attr.ib(default=g.Time("now-30d", "now"))
# Make it possible to use $source as a source.
templating = attr.ib(default=g.Templating(list=[SOURCE_TEMPLATE]))
g.Target(
expr=
"sum(rate(node_netstat_Tcp_RetransSegs[1m])) by (instance)",
legendFormat="RetransSegs {{instance}}",
),
],
yAxes=g.single_y_axis(format=g.SHORT_FORMAT, logBase=10),
),
]
# The final dashboard must be named 'dashboard' so that grafanalib will find it.
dashboard = g.Dashboard(
title="Master dashboard",
time=g.Time("now-30d", "now"),
templating=g.Templating(list=[
# Make it possible to use $source as a source.
g.Template(name="source", type="datasource", query="prometheus")
]),
rows=[
g.Row(
title="Clusterloader",
height=DEFAULT_PANEL_HEIGHT,
panels=CLUSTERLOADER_PANELS,
),
g.Row(
title="Overall cluster health",
height=DEFAULT_PANEL_HEIGHT,
panels=HEALTH_PANELS,
),
g.Row(title="etcd", height=DEFAULT_PANEL_HEIGHT, panels=ETCD_PANELS),
g.Row(title="kube-apiserver",
height=DEFAULT_PANEL_HEIGHT,
def run(self):
templateList = []
if self.options.use_sdp:
templateList.append(
G.Template(default="1",
dataSource="default",
name="sdpinst",
label="SDPInstance",
query="label_values(sdpinst)"))
if self.options.customer:
templateList.append(
G.Template(default="1",
dataSource="default",
name="customer",
label="Customer",
query="label_values(customer)"))
templateList.append(
G.Template(default="",
dataSource="default",
name="serverid",
label="ServerID",
query="label_values(serverid)"))
dashboard = G.Dashboard(title=self.options.title,
templating=G.Templating(list=templateList))
for metric in metrics:
if 'section' in metric:
dashboard.rows.append(
G.Row(title=metric['section'], showTitle=True))
continue
if 'row' in metric:
dashboard.rows.append(G.Row(title='', showTitle=False))
continue
if 'type' in metric and metric['type'] == 'gauge':
pass
# text = G.Text(title=metric['title'],
# dataSource='default')
# dashboard.rows[-1].panels.append(G.Text)
else:
yAxis = G.single_y_axis(format="short")
if 'yformat' in metric:
yAxis = G.single_y_axis(format=metric['yformat'])
graph = G.Graph(title=metric['title'],
dataSource='default',
maxDataPoints=1000,
legend=G.Legend(show=True,
alignAsTable=True,
min=True,
max=True,
avg=True,
current=True,
total=True,
sort='max',
sortDesc=True),
yAxes=yAxis)
refId = 'A'
for targ in metric['target']:
texp = targ['expr']
legend = "instance {{instance}}, serverid {{serverid}}"
if 'legend' in targ:
legend += ' %s' % targ['legend']
# Remove SDP
if not self.options.use_sdp:
texp = texp.replace('sdpinst="$sdpinst",', '')
if self.options.customer:
texp = texp.replace('{', '{customer="$customer",')
graph.targets.append(
G.Target(expr=texp, legendFormat=legend, refId=refId))
refId = chr(ord(refId) + 1)
dashboard.rows[-1].panels.append(graph)
# Auto-number panels - returns new dashboard
dashboard = dashboard.auto_panel_ids()
s = io.StringIO()
write_dashboard(dashboard, s)
print("""{
"dashboard": %s
}
""" % s.getvalue())
