48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
from flask_restful import Resource
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from pygal.style import Style
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from master import ctx
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import pygal
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import timeago
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from math import ceil
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class HistoryGraph(Resource):
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def get(self, history_count):
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try:
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custom_style = Style(
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background='transparent',
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plot_background='transparent',
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foreground='rgba(109, 118, 126, 0.3)',
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foreground_strong='rgba(109, 118, 126, 0.3)',
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foreground_subtle='rgba(109, 118, 126, 0.3)',
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opacity='0.1',
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opacity_hover='0.2',
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transition='100ms ease-in',
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colors=('#007acc', '#749363')
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)
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graph = pygal.StackedLine(
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stroke_style={'width': 0.4},
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show_dots=False,
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show_legend=False,
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fill=True,
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style=custom_style,
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disable_xml_declaration=True)
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instance_count = [history['time'] for history in ctx.history.instance_history][-history_count:]
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if len(instance_count) > 0:
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graph.x_labels = [ timeago.format(instance_count[0])]
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instance_counts = [history['count'] for history in ctx.history.instance_history][-history_count:]
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client_counts = [history['count'] for history in ctx.history.client_history][-history_count:]
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graph.add('Instance Count', instance_counts)
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graph.add('Client Count', client_counts)
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return { 'message' : graph.render(),
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'data_points' : len(instance_count),
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'instance_count' : 0 if len(instance_counts) is 0 else instance_counts[-1],
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'client_count' : 0 if len(client_counts) is 0 else client_counts[-1]
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}, 200
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except Exception as e:
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return { 'message' : str(e) }, 500
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