adding some mysql function to convert to postgresal

django_code/cloud-manager/credentials.py

@@ -0,0 +1,7 @@
+
+class sql:
+    url = 'localhost'
+    port = 5432
+    user = 'postgres'
+    password = 'example'
+    database = 'cloudmanager'

django_code/cloud-manager/db_interaction.py

@@ -0,0 +1,132 @@
+import psycopg2
+#import function
+import credentials
+import datetime
+
+
+def DB_generation(host_in,port_in,user_in,password_in,db_in):
+    db = psycopg2.connect(host=host_in, port=port_in, user=user_in, password=password_in,database=db_in)
+    return db
+
+
+def Launch_sql_query(sql,db):
+    # prepare a cursor object using cursor() method
+    cursor = db.cursor()
+
+    try:
+        # Execute the SQL command
+        cursor.execute(sql)
+        # Fetch all the rows in a list of lists.
+        results = cursor.fetchall()
+        result_machine = []
+        #result_machine_type = []
+        for row in results:
+            result_machine_type = []
+            id_scenario = row[0]
+            id_hour = bool(row[1])
+            name = row[2]
+            proxmox = row[3]
+            machine_type = row[4]
+
+            result_machine_type.append(proxmox)
+            result_machine_type.append(machine_type)
+            result_machine_type.append(name)
+            result_machine.append(result_machine_type)
+        return result_machine
+
+    except:
+        print ("Error: unable to fetch data")
+
+
+#Return the day of the week as an integer, where Monday is 0 and Sunday is 6.
+def Give_current_weekday():
+    weekday = datetime.datetime.today().weekday()
+    return weekday
+
+def Give_current_hour():
+    now = datetime.datetime.now()
+    return now.hour
+
+
+def Check_server_supposed_XXX(generated_db_in,wanted_status,Wanted_hour):
+    sql_in=""
+    if wanted_status == "up" or wanted_status == "start":
+        sql_in = "select scenario_hour.id_scenario , scenario_hour.state_at_" + str(Wanted_hour) + " , machine.name, machine.id_proxmox, machine.type from scenario_hour,machine where state_at_" + str(Wanted_hour) + "=1 and machine.hour_behaviour_id=scenario_hour.id_scenario;"
+    elif wanted_status == "down" or wanted_status == "stop":
+        sql_in = "select scenario_hour.id_scenario , scenario_hour.state_at_" + str(Wanted_hour) + " , machine.name, machine.id_proxmox, machine.type from scenario_hour,machine where state_at_" + str(Wanted_hour) + "=0 and machine.hour_behaviour_id=scenario_hour.id_scenario;"
+    else:
+        print("error value")
+    return_value = Launch_sql_query(sql_in, generated_db_in)
+    return return_value
+
+def Is_the_server_already_wanted_state(id_machine, wanted_state,instance_type):
+    #stopped/running
+    bool_result = ""
+    proxmox = function.proxmox_connection(credentials.proxmox.zeus.url_proxmox,credentials.proxmox.zeus.user,credentials.proxmox.zeus.password)
+    if str(function.check_state_mix(id_machine,wanted_state,proxmox,instance_type)) == str(wanted_state):
+        bool_result = True
+    else:
+        bool_result = False
+    return bool_result
+
+def all_operations(wanted_state,list_machine):
+    info_to_display = ""
+    if wanted_state == "running":
+        operation_to_perform = "start"
+    elif wanted_state == "stopped":
+        operation_to_perform = "stop"
+    else:
+        print("Incorrect wanted state")
+
+
+    for machine_target in list_machine:
+        if not(Is_the_server_already_wanted_state(machine_target[0], wanted_state,machine_target[1])):
+            function.action(False,machine_target[0],operation_to_perform,machine_target[1])
+            print(str(machine_target[0])+" is now "+str(wanted_state))
+        elif Is_the_server_already_wanted_state(machine_target[0], wanted_state,machine_target[1]):
+            info_to_display = "operation already performed for "+machine_target[2]
+            print(info_to_display)
+    #return info_to_display
+    return ""
+
+def main():
+
+    generated_db = DB_generation(credentials.sql.url, credentials.sql.port, credentials.sql.user, credentials.sql.password,credentials.sql.database)
+
+    ###operation:
+
+    ## Server(s) supposed to be UP
+    list_servers_up = Check_server_supposed_XXX(generated_db, "up", Give_current_hour())
+    print("------------------------------------------")
+    print("-----------------UP-----------------------")
+    print("------------------------------------------")
+    print(list_servers_up)
+    print(all_operations("running", list_servers_up))
+
+
+    ## Server(s) supposed to be DOWN
+    list_servers_down = Check_server_supposed_XXX(generated_db, "down", Give_current_hour())
+
+    print("------------------------------------------")
+    print("----------------DOWN----------------------")
+    print("------------------------------------------")
+    print(list_servers_down)
+    print(all_operations("stopped",list_servers_down))
+
+
+    # disconnect from server
+    generated_db.close()
+
+    #print(Is_the_server_already_wanted_state(112, "stopped"))
+
+if __name__ == "__main__":
+    main()
+
+
+"""
+TO DO:
+ EXTRACT TYPE OF MACHINE
+ CREATE FUNCTION TO CHECK IF A MACHINE IS ALREADY DOWN OR NOT
+ ADD FIELD IN SQL WITH PROJECT AND PUT DESCRIPTION -> ATTACH MACHINE TO PROJECT
+
+"""