98 lines
2.3 KiB
Python
Executable File
98 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import json
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import yaml
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import requests
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import textwrap
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import io
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import gzip
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import base64
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config_file = sys.argv[1]
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configmap_file = sys.argv[2]
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# read config file
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with open(config_file, 'r') as yaml_contents:
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config = yaml.safe_load(yaml_contents.read())
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if 'condition' in config:
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configmap = '''{{- if %(condition)s }}
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''' % config
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else:
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configmap = ''
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# Base configmap for KubeZero
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configmap += '''apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ printf "%%s-%%s" (include "kubezero-lib.fullname" $) "%(configmap)s" | trunc 63 | trimSuffix "-" }}
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namespace: {{ .Release.Namespace }}
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labels:
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grafana_dashboard: "1"
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{{ include "kubezero-lib.labels" . | indent 4 }}
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''' % config
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# Put all dashboards into a folder ?
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if 'folder' in config:
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configmap += ''' annotations:
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k8s-sidecar-target-directory: %(folder)s
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''' % config
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# compress ?
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if 'gzip' in config and config['gzip']:
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configmap += '''binaryData:
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'''
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else:
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configmap += '''data:
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'''
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for b in config['dashboards']:
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response = requests.get(b['url'])
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if response.status_code != 200:
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print('Skipping the file, response code %s not equals 200' % response.status_code)
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continue
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raw_text = response.text
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obj = json.loads(raw_text)
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# Customize each dashboard
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# Set default tim in all charts to 1h
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obj['time'] = { "from": "now-1h", "to": "now" }
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obj['refresh'] = "30s"
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if 'tags' in b:
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obj['tags'] = b['tags']
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text = json.dumps(obj, indent=2)
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text = text.replace("{{", "{{`{{").replace("}}", "}}`}}").replace("{{`{{", "{{`{{`}}").replace("}}`}}", "{{`}}`}}")
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if 'gzip' in config and config['gzip']:
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# compress and base64 encode
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buf = io.BytesIO()
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f = gzip.GzipFile(mode='w', fileobj=buf, mtime=0)
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f.write(text.encode())
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f.close()
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textb64 = base64.b64encode(buf.getvalue()).decode('utf-8')
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textb64 = textwrap.indent(textb64, ' '*4)
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configmap += ''' %(name)s.json.gz:
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''' % b
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configmap += textb64+'\n'
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else:
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text = textwrap.indent(text, ' '*4)
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configmap += ''' %(name)s.json:
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''' % b
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configmap += text+'\n'
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if 'condition' in config:
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configmap += '{{- end }}'+'\n'
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# Write Configmap
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with open(configmap_file, 'w') as f:
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f.write(configmap)
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