147 lines
5.5 KiB
Python
147 lines
5.5 KiB
Python
import psycopg2
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from django.http import HttpResponse
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from kubernetes_connection import apps as kubernetes_connection
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import datetime
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from cloudmanager import credentials
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import os
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def hello(request):
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kubernetes_connection.echoHello();
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return HttpResponse('<h1>Hello cmm !</h1>')
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def DB_generation(host_in,port_in,user_in,password_in,db_in):
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db = psycopg2.connect(host=host_in, port=port_in, user=user_in, password=password_in,database=db_in)
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return db
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def Launch_sql_query(sql,db):
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# prepare a cursor object using cursor() method
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cursor = db.cursor()
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try:
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# Execute the SQL command
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cursor.execute(sql)
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# Fetch all the rows in a list of lists.
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results = cursor.fetchall()
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result_machine = []
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#result_machine_type = []
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for row in results:
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result_machine_type = []
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namespace = row[0]
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name = row[1]
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replicas = row[2]
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result_machine_type.append(namespace)
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result_machine_type.append(name)
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result_machine_type.append(replicas)
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result_machine.append(result_machine_type)
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return result_machine
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except:
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print ("Error: unable to fetch data")
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#Return the day of the week as an integer, where Monday is 0 and Sunday is 6.
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def Give_current_weekday():
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days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday','Saturday', 'Sunday']
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weekday = days[datetime.datetime.today().weekday()]
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return weekday
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def Give_current_hour():
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now = datetime.datetime.now()
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return now.hour
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def Check_server_supposed_XXX(generated_db_in,wanted_status,Wanted_hour,Wanted_day):
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sql_in=""
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if wanted_status == "up":
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sql_in = "select machine.namespace, machine.name, machine.replicas from scenario_hour,machine ,scenario_day_of_week where state_at_" + str(Wanted_hour) + "='1' and state_" + str(Wanted_day) + "='1' and machine.hour_behaviour_id=scenario_hour.id_scenario and machine.day_behaviour_id=scenario_day_of_week.id_scenario;"
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elif wanted_status == "down":
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sql_in = "select machine.namespace, machine.name, machine.replicas from scenario_hour,machine where state_at_" + str(Wanted_hour) + "='0' and machine.hour_behaviour_id=scenario_hour.id_scenario;"
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else:
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print("error value")
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print(sql_in)
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return_value = Launch_sql_query(sql_in, generated_db_in)
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return return_value
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def Is_the_server_already_wanted_state(id_machine, wanted_state,instance_type):
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#stopped/running
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bool_result = ""
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proxmox = function.proxmox_connection(credentials.proxmox.zeus.url_proxmox,credentials.proxmox.zeus.user,credentials.proxmox.zeus.password)
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if str(function.check_state_mix(id_machine,wanted_state,proxmox,instance_type)) == str(wanted_state):
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bool_result = True
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else:
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bool_result = False
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return bool_result
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def all_operations(request,wanted_state,list_machine):
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for machine_target in list_machine:
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print(machine_target[1])
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info_to_display = ""
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if wanted_state == "up":
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kubernetes_connection.scale_up(request,namespace_name=machine_target[0],deploy_name=machine_target[1],replicas=machine_target[2]);
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elif wanted_state == "down":
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kubernetes_connection.scale_down(request,namespace_name=machine_target[0],deploy_name=machine_target[1],replicas=machine_target[2]);
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else:
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print("Incorrect wanted state")
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# if not(Is_the_server_already_wanted_state(machine_target[0], wanted_state,machine_target[1])):
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# function.action(False,machine_target[0],operation_to_perform,machine_target[1])
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# print(str(machine_target[0])+" is now "+str(wanted_state))
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# elif Is_the_server_already_wanted_state(machine_target[0], wanted_state,machine_target[1]):
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# info_to_display = "operation already performed for "+machine_target[2]
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# print(info_to_display)
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#return info_to_display
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return ""
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def main(request):
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#get credentials from the env
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db_host = os.environ.get('DB_HOST')
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db_port = os.environ.get('DB_PORT')
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db_user = os.environ.get('DB_USERNAME')
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db_password = os.environ.get('DB_PASSWORD')
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db_name = os.environ.get('CUSTOM_DB_DATABASE',os.environ.get('DB_DATABASE'))
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generated_db = DB_generation(db_host, db_port, db_user, db_password,db_name)
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##operation:
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## Server(s) supposed to be UP
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list_servers_up = Check_server_supposed_XXX(generated_db, "up", Give_current_hour(),Give_current_weekday())
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print("------------------------------------------")
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print("-----------------UP-----------------------")
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print("------------------------------------------")
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print(list_servers_up)
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print(all_operations(request,"up", list_servers_up))
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## Server(s) supposed to be DOWN
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list_servers_down = Check_server_supposed_XXX(generated_db, "down", Give_current_hour(),Give_current_weekday())
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print("------------------------------------------")
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print("----------------DOWN----------------------")
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print("------------------------------------------")
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print(list_servers_down)
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print(all_operations(request,"down",list_servers_down))
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# disconnect from server
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generated_db.close()
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#print(Is_the_server_already_wanted_state(112, "stopped"))
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HttpResponse('<h1>CMM executed!</h1>')
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if __name__ == "__main__":
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main()
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"""
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TO DO:
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EXTRACT TYPE OF MACHINE
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CREATE FUNCTION TO CHECK IF A MACHINE IS ALREADY DOWN OR NOT
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ADD FIELD IN SQL WITH PROJECT AND PUT DESCRIPTION -> ATTACH MACHINE TO PROJECT
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"""
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