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pleroma-stats.py
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pleroma-stats.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from six.moves import urllib
import datetime
#from datetime import datetime
from subprocess import call
import time
import threading
import os
import json
import time
import signal
import sys
import os.path # For checking whether config.txt file exists
import requests # For doing the web stuff, dummy!
import operator # allow assigning dictionary values to a variable 15/07/18
import calendar
import psycopg2
from psycopg2.extras import Json
from psycopg2.extras import register_default_json
from psycopg2.extras import RealDictCursor
import traceback
from importlib import reload
reload(sys)
###############################################################################
# INITIALISATION
###############################################################################
def get_parameter( parameter, file_path ):
# Check if config.txt file exists
if not os.path.isfile(file_path):
print("File %s not found, exiting."%file_path)
sys.exit(0)
# Find parameter in file
with open( file_path ) as f:
for line in f:
if line.startswith( parameter ):
return line.replace(parameter + ":", "").strip()
# Cannot find parameter, exit
print(file_path + " Missing parameter %s "%parameter)
sys.exit(0)
# Load configuration from config file
config_filepath = "config.txt"
pleroma_hostname = get_parameter("pleroma_hostname", config_filepath) # E.g., pleroma.site
pleroma_db = get_parameter("pleroma_db", config_filepath) # E.g., pleroma
pleroma_db_user = get_parameter("pleroma_db_user", config_filepath) # E.g., pleroma
pleroma_db_password = get_parameter("pleroma_db_pass", config_filepath)
grafana_db = get_parameter("grafana_db", config_filepath) # E.g., grafana_prod
# Postgres connection strings
cstring_grafana = "dbname=" + grafana_db + " user=" + pleroma_db_user + " password=" + pleroma_db_password + " host='localhost' port='5432'"
cstring_pleroma = "dbname=" + pleroma_db + " user=" + pleroma_db_user + " password=" + pleroma_db_password + " host='localhost' port='5432'"
###################################################################################
# GET THE DATA from Pleroma server's API: user_count, domain_count and status count
# ** DEACTIVATED ** See line 115 **
###################################################################################
#res = requests.get('https://' + pleroma_hostname + '/api/v1/instance?')
#current_users = res.json()['stats']['user_count']
#num_servers = res.json()['stats']['domain_count']
#num_posts = res.json()['stats']['status_count']
# Posts per user
#posts_per_user = int (num_posts / current_users)
################################################################################
# get the federated hosts from Pleroma`s DB, table users
################################################################################
try:
conn = None
conn = psycopg2.connect(cstring_pleroma)
cur = conn.cursor()
# Pleroma's developers did it this way to get federated servers: SELECT distinct split_part(nickname, '@', 2) FROM users;
# we need federated servers but also federated users
cur.execute("select distinct ap_id AS host FROM users WHERE local='f'") # CHANGED FROM ORIGINAL ("as_id" INSTEAD OF "id")
host_federats = []
for row in cur:
host_federats.append(row[0]) ## store hosts's urls to host_federats[] array
fed_users = len(host_federats) # how many federated users
federated_url = []
i = 0
new_url = ''
sep_right = '/users'
sep_left = '(https://'
while i < len(host_federats)-1:
new_url = host_federats[i].rpartition(sep_right)
new_url = new_url[0]
new_url = new_url.partition(sep_left)
federated_url.append(new_url[2])
i += 1
federated_url = sorted(set(federated_url)) # ordered list of federated servers
###############################################################################################
# GETTING user_count, domain_count and status_count from Pleroma's API is not the best choice
# because Pleroma code schedule update stats each hour.
# Better get them from the Pleroma's DB to realtime counters
###############################################################################################
# get user_count from Pleroma's DB
cur.execute("select count(id) from users where local='t' AND is_active='t' AND email IS NOT NULL") # CHANGED FROM ORIGINAL ("is_active='t' INSTEAD OF "deactivated=false"
current_users = cur.fetchone()[0]
# get federated servers from Pleroma's DB
cur.execute("SELECT COUNT (distinct split_part(nickname, '@', 2)) FROM users where local='f'")
num_servers = cur.fetchone()[0]
# get status_count from Pleroma's DB
cur.execute("select SUM(note_count) FROM users WHERE local='t'")
num_posts = cur.fetchone()[0]
#############################################################################################
# 21.5.19 *New* Get last hour federated posts
cur.execute("select count(inserted_at) from activities WHERE data->>'type'='Create' AND inserted_at > current_timestamp - INTERVAL '180 minutes'")
fed_posts_last_hour = cur.fetchone()[0]
############################################################################################
# 22.5.19 *New* Get how many disc space is using the Pleroma's DB.
cur.execute("select pg_database_size(%s)", (pleroma_db,))
db_disk_space = (cur.fetchone()[0] / 1024) / 1024 ## to transform bytes to MB
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print(traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
#####################################################################################################
# some calcs
#####################################################################################################
# Posts per user
posts_per_user = int (num_posts / current_users)
#####################################################################################################
# get unreachable hosts from Pleroma's DB table instances #
# id | host | unreachable_since | inserted_at | updated_at #
#####################################################################################################
ara = datetime.datetime.now()
try:
conn = None
conn = psycopg2.connect(cstring_pleroma)
cur = conn.cursor()
cur.execute("select host, unreachable_since, inserted_at from instances where unreachable_since IS NOT NULL;")
hosts_unreached = []
hosts_unreached_since = []
elapsed_days = []
inserted = []
for row in cur:
hosts_unreached.append(row[0]) ## store unreached hosts to hosts_unreached[] array
hosts_unreached_since.append(str(row[1])) ## store timestamp since which the host is unreacheable to hosts_unreached_since[] array
elapsed_days.append(ara-row[1])
inserted.append(str(row[2]))
unreachable_hosts = len(hosts_unreached)
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print (traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
##########################################################################################
# store unreachable hosts data to grafana DB, table unreached_servers
# columns server | since | days | inserted_at | datetime
#########################################################################################
insert_row = """INSERT INTO unreached_servers(server, since, days, inserted_at)
VALUES(%s,%s,%s,%s) ON CONFLICT DO NOTHING;"""
conn = None
i = 0
while i < (len(hosts_unreached)):
try:
conn = psycopg2.connect(cstring_grafana)
cur = conn.cursor()
# execute INSERT server, since, days, inserted_at
cur.execute(insert_row, (hosts_unreached[i], hosts_unreached_since[i], elapsed_days[i], inserted[i]))
# execute UPDATE
cur.execute("UPDATE unreached_servers SET days=(%s) where server=(%s)", (elapsed_days[i], hosts_unreached[i]))
cur.execute("UPDATE unreached_servers SET datetime=(%s) where server=(%s)", (ara, hosts_unreached[i]))
# delete back on life servers
cur.execute("DELETE from unreached_servers where datetime <> %s", (ara,))
# commit data
conn.commit()
# close the connection
cur.close()
i = i+1
except (Exception, psycopg2.DatabaseError) as error:
print(traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
#################################################################################
# definition of intial values for the very first time running
#################################################################################
users_before = current_users
posts_before = num_posts
servers_before = num_servers
users_hour = 0
users_day = 0
users_week = 0
posts_hour = 0
servers_hour = 0
active = 0
active30= 0
posts_active = 0
interactions = 0
fed_users_hour = 0
fed_users_before = fed_users
inc_disc_space_hour = 0
#################################################################################
# Connect to Grafana's Postgresql DB to check if is empty (0 rows), table stats
#################################################################################
try:
conn = None
conn = psycopg2.connect(cstring_grafana)
cur = conn.cursor()
cur.execute("SELECT * from stats")
row = cur.fetchone()
if row:
##############################################################################################################################################################
# Connect to Grafana's Postgresql DB to fetch last row local users, posts, servers, federated users and stored used_disk_space of the whole Pleroma's database
##############################################################################################################################################################
try:
conn = None
conn = psycopg2.connect(cstring_grafana)
cur = conn.cursor()
cur.execute("SELECT DISTINCT ON (datetime) users,posts,servers,federated_users,used_disk_space,datetime FROM stats WHERE datetime > current_timestamp - INTERVAL '62 minutes' ORDER BY datetime asc LIMIT 1")
row = cur.fetchone()
if row == None:
users_before = current_users
posts_before = num_posts
servers_before = num_servers
fed_users_before = fed_users
disc_space_before = db_disk_space
else:
users_before = row[0]
posts_before = row[1]
servers_before = row[2]
fed_users_before = row[3]
disc_space_before = row[4]
# how many posts at the very beginning of the current week
cur.execute("SELECT DISTINCT ON (datetime) posts, datetime FROM stats WHERE datetime > date_trunc('week', now()::timestamp) ORDER by datetime asc LIMIT 1")
row = cur.fetchone()
if row == None:
posts_begin_week = num_posts
else:
posts_begin_week = row[0]
cur.close()
users_hour = current_users - users_before
posts_hour = num_posts - posts_before
servers_hour = num_servers - servers_before
fed_users_hour = fed_users - fed_users_before
inc_disc_space_hour = db_disk_space - disc_space_before
### calc average of disk space increase with media_proxy enabled (deactivated on 25/5/19 18:36
#cur.execute("select sum(disc_space_hour) from stats where datetime > '2019-05-22 15:00:00' and datetime < '2019-05-25 19:00:00'")
#with_media_proxy_total_MB = cur.fetchone()[0]
#print with_media_proxy_total_MB
#average_MB = with_media_proxy_total_MB / 75 # 75 hours running with media_proxy activated
#print average_MB
#cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print (traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
#if num_posts-posts_begin_week == 0:
#posts_active = 0
#elif num_posts-posts_begin_week > 0:
#posts_active =(num_posts-posts_begin_week)/active
print (" ")
print ("##################################################")
print ("# " + pleroma_hostname + " stats" + " - " + str(ara) + " #")
print ("##################################################")
print (" ")
print ("Current users: "+str(current_users))
print ("Users before: "+str(users_before))
print ("New users x hour: "+str(users_hour))
print ("-----------------")
print ("Federated users: "+str(fed_users))
print ("Fed users before: "+str(fed_users_before))
print ("New fed users: "+str(fed_users_hour))
print ("-----------------")
print ("Posts: "+str(num_posts))
print ("Posts before: "+str(posts_before))
print ("Posts at beginning current week:"+str(posts_begin_week))
print ("Posts this week:"+str(num_posts-posts_begin_week))
print ("Posts x hour: "+str(posts_hour))
print ("Posts per user: %s "% posts_per_user)
print ("-----------------")
print ("Federated servers: "+str(num_servers))
print ("Federated servers before: "+str(servers_before))
print ("Federating servers x hour: "+str(servers_hour))
print ("-----------------")
print ("Unreached servers: " + str(len(hosts_unreached)))
print ("-----------------")
print ("Database used disc space (MB): " + str(db_disk_space))
print ("Database increase last hour (MB): " + str(inc_disc_space_hour))
print ("-----------------")
print ("Active users:"+str(active))
print ("Posts x active users: "+str(posts_active))
else:
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print (traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
########################################################################################################################################################################################################################
# Connect to Grafana's Postgresql DB pleroma_stats to save all data needed to graph stats
# used columns:
# datetime | users | users_hour | posts | posts_hour | posts_user | interactions | active | active30 | servers | servers_hour | posts_active | federated_users | federated_users_hour | fed_posts_hour | used_disk_space
#----------+---------+-------------+-------+-------------+--------------+--------+-----------+----------+------------+-------------------------------------------------------------------------------------------------
insert_row = """INSERT INTO stats(datetime, users, users_hour, posts, posts_hour, posts_users, interactions, active, active30, servers, servers_hour, posts_active, federated_users, federated_users_hour, fed_posts_hour, used_disk_space, disc_space_hour)
VALUES(%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s) RETURNING datetime;"""
conn = None
ara = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
try:
conn = psycopg2.connect(cstring_grafana)
cur = conn.cursor()
# execute INSERT
cur.execute(insert_row, (ara, current_users, users_hour, num_posts, posts_hour, posts_per_user, interactions, active, active30, num_servers, servers_hour, posts_active, fed_users, fed_users_hour, fed_posts_last_hour, db_disk_space, inc_disc_space_hour))
# get the id
datetime = cur.fetchone()[0]
# commit data
conn.commit()
# close the connection
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print(traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
#######################################################################################################################
# Connect to Postgresql DB to fetch users increase in the last hour, last day and last week
########################################################################################################################
try:
conn = None
conn = psycopg2.connect(cstring_grafana)
cur = conn.cursor()
cur.execute("SELECT DISTINCT ON (datetime) users,datetime FROM stats WHERE datetime > current_timestamp - INTERVAL '62 minutes' ORDER BY datetime asc LIMIT 1")
row = cur.fetchone()
users_hour = row[0]
cur.execute("SELECT DISTINCT ON (datetime) users,datetime FROM stats WHERE datetime > current_timestamp - INTERVAL '25 hours' ORDER BY datetime asc LIMIT 1")
row = cur.fetchone()
users_day = row[0]
cur.execute("SELECT DISTINCT ON (datetime) users,datetime FROM stats WHERE datetime > current_timestamp - INTERVAL '169 hours' ORDER BY datetime asc LIMIT 1")
row = cur.fetchone()
users_week = row[0]
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print (traceback.format_exc())
sys.exit(':-(')
finally:
if conn is not None:
conn.close()
####################################################################################
inc_hour = current_users - users_hour
inc_day = current_users - users_day
inc_week = current_users - users_week
print ("New users last hour: "+str(inc_hour))
print ("New users last day: "+str(inc_day))
print ("New users last week: "+str(inc_week))
print ("-----------------------------")
print (" spla@pleroma.cat @ 2019 ")
print ("-----------------------------")
###################################################################################