Merge branch 'influx_export' into 'master'

Add docker image with script for exporting to influx

See merge request !1

.gitlab-ci.yml

+docker-build-master:
+  # Official docker image.
+  image: docker:latest
+  stage: build
+  services:
+    - docker:dind
+  before_script:
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+  script:
+    - docker build --pull -t "$CI_REGISTRY_IMAGE" .
+    - docker push "$CI_REGISTRY_IMAGE"
+  only:
+    - master
+
+docker-build:
+  # Official docker image.
+  image: docker:latest
+  stage: build
+  services:
+    - docker:dind
+  before_script:
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+  script:
+    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG" .
+    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
+  except:
+    - master

Dockerfile

+FROM python:3-alpine
+
+MAINTAINER Tomas Sapak <tom.sapak@gmail.com>
+
+ADD projects_usage_to_influx.py /
+
+RUN pip install influxdb
+
+ENTRYPOINT ["python"]

projects_usage_to_influx.py

+#! /usr/bin/python3
+
+import json
+from influxdb import InfluxDBClient
+import argparse
+
+
+def validate_options():
+    parser = argparse.ArgumentParser(description='Input parameters', formatter_class=argparse.RawTextHelpFormatter)
+    parser.add_argument('-H', '--host', dest='host', help='Hostname of Influx server', required=True)
+    parser.add_argument('-p', '--port', dest='port', help='Port of Influx server', required=True)
+    parser.add_argument('-u', '--username', dest='username', help='Username of Influx user', required=True)
+    parser.add_argument('-P', '--password', dest='password', help='Password of Influx user', required=True)
+    parser.add_argument('-d', '--database', dest='database', help='Influx database', required=True)
+    parser.add_argument('-f', '--file', dest='file',  help='Path to json projects usage', required=True)
+    args = parser.parse_args()
+    return args
+
+
+def get_usage_object_for_influx(usage_object):
+    inf_json_object = {
+            "measurement": "project_usage",
+            "tags": {
+            },
+            "fields": {
+            }
+        }
+
+    inf_json_object['tags']['name'] = usage_object['name']
+    inf_json_object['tags']['owner'] = usage_object['tags'][0]
+    inf_json_object['fields']['cpu'] = float(usage_object['CPU'])
+    inf_json_object['fields']['ram'] = float(usage_object['RAM'])
+    inf_json_object['fields']['disk'] = float(usage_object['disk'])
+    return inf_json_object
+
+
+def main():
+    opts = validate_options()
+    client = InfluxDBClient(host=opts.host, port=opts.port, database=opts.database, username=opts.username, password=opts.password, ssl=True, verify_ssl=True)
+    with open(opts.file, 'r', encoding='utf-8-sig') as json_file:
+        projects = json.load(json_file)
+    inf_usage_list = []
+    for project in projects:
+        if project['tags']:
+            inf_usage_list.append(get_usage_object_for_influx(project))
+    client.write_points(inf_usage_list)
+
+
+if __name__ == '__main__':
+    main()