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scrapers.py
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scrapers.py
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import re
import threading
import os.path
import psutil
import subprocess
import datetime
from tools import *
def scrape_db_size(path_to_database, cursor, db_name) -> str:
db_size_in_bytes = 0
path_to_db = path_to_database.split(':')[1]
if os.path.exists(path_to_db):
db_size_in_bytes = os.path.getsize(path_to_db)
else:
cursor.execute("SELECT MON$DATABASE_NAME FROM MON$DATABASE;")
path_to_db = cursor.fetchone()[0]
if os.path.exists(path_to_db):
db_size_in_bytes = os.path.getsize(path_to_db)
return make_prometheus_response("db_size", {"database": db_name}, db_size_in_bytes)
def scrape_mon_database(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$OLDEST_SNAPSHOT, MON$NEXT_TRANSACTION, MON$PAGE_BUFFERS, MON$SQL_DIALECT, MON$SHUTDOWN_MODE, MON$SWEEP_INTERVAL, MON$READ_ONLY, MON$FORCED_WRITES, MON$RESERVE_SPACE, MON$PAGES, MON$BACKUP_STATE, MON$CRYPT_PAGE, MON$OLDEST_TRANSACTION, MON$OLDEST_ACTIVE FROM MON$DATABASE;")
response = ""
metric_name = "mon_database"
labels = {
"database": db_name,
"stat_id": None,
"type": None
}
databases = cursor.fetchall()
for database in databases:
labels["stat_id"] = database[0]
labels["type"] = "oldest_snapshot"
response += make_prometheus_response(metric_name, labels, database[1])
labels["type"] = "next_transaction"
response += make_prometheus_response(metric_name, labels, database[2])
labels["type"] = "page_buffers"
response += make_prometheus_response(metric_name, labels, database[3])
labels["type"] = "SQL_dialect"
response += make_prometheus_response(metric_name, labels, database[4])
labels["type"] = "shutdown_mode"
response += make_prometheus_response(metric_name, labels, database[5])
labels["type"] = "sweep_interval"
response += make_prometheus_response(metric_name, labels, database[6])
labels["type"] = "read_only"
response += make_prometheus_response(metric_name, labels, database[7])
labels["type"] = "forced_writes"
response += make_prometheus_response(metric_name, labels, database[8])
labels["type"] = "reserve_space"
response += make_prometheus_response(metric_name, labels, database[9])
labels["type"] = "pages"
response += make_prometheus_response(metric_name, labels, database[10])
labels["type"] = "crypt_page"
response += make_prometheus_response(metric_name, labels, database[11])
labels["type"] = "oldest_transaction"
response += make_prometheus_response(metric_name, labels, database[12])
labels["type"] = "oldest_active"
response += make_prometheus_response(metric_name, labels, database[13])
return response
def scrape_mon_attachments(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$ATTACHMENT_ID, MON$SERVER_PID, MON$STATE, MON$REMOTE_PID, MON$CHARACTER_SET_ID, MON$GARBAGE_COLLECTION, MON$SYSTEM_FLAG, MON$REPL_WAITFLUSH_COUNT, MON$REPL_WAITFLUSH_TIME, MON$TIMESTAMP, MON$REMOTE_ADDRESS, MON$REMOTE_PROCESS FROM MON$ATTACHMENTS;")
response = ""
active_users = 0
metric_name = "mon_attachment"
labels = {
"database": db_name,
"stat_id": None,
"attachment_id": None,
"remote_address": None,
"remote_process": None,
"type": None
}
attachments = cursor.fetchall()
for attachment in attachments:
seconds_gone = 0
if not attachment[10] is None:
time_zone = attachment[10].tzinfo
current_time = datetime.datetime.now(time_zone)
seconds_gone = (current_time - attachment[10]).total_seconds()
labels["stat_id"] = attachment[0]
labels["attachment_id"] = attachment[1]
labels["remote_address"] = attachment[11]
labels["remote_process"] = attachment[12]
labels["type"] = "server_pid"
response += make_prometheus_response(metric_name, labels, attachment[2])
labels["type"] = "state"
response += make_prometheus_response(metric_name, labels, attachment[3])
labels["type"] = "remote_pid"
response += make_prometheus_response(metric_name, labels, attachment[4])
labels["type"] = "character_set_id"
response += make_prometheus_response(metric_name, labels, attachment[5])
labels["type"] = "garbage_collection"
response += make_prometheus_response(metric_name, labels, attachment[6])
labels["type"] = "system_flag"
response += make_prometheus_response(metric_name, labels, attachment[7])
labels["type"] = "repl_waitflush_count"
response += make_prometheus_response(metric_name, labels, attachment[8])
labels["type"] = "repl_waitflush_time"
response += make_prometheus_response(metric_name, labels, attachment[9])
labels["type"] = "deltatime"
response += make_prometheus_response(metric_name, labels, seconds_gone)
if attachment[3] == 1:
active_users += 1
response += "active_users{database=\"%s\"} %i\n" % (db_name, active_users)
response += "amount_of_attachments{database=\"%s\"} %i\n" % (db_name, len(attachments))
return response
def scrape_mon_transactions(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$TRANSACTION_ID, MON$ATTACHMENT_ID, MON$STATE, MON$TOP_TRANSACTION, MON$OLDEST_TRANSACTION, MON$OLDEST_ACTIVE, MON$ISOLATION_MODE, MON$LOCK_TIMEOUT, MON$READ_ONLY, MON$AUTO_COMMIT, MON$AUTO_UNDO, MON$TIMESTAMP FROM MON$TRANSACTIONS")
response = ""
metric_name = "mon_transaction"
labels = {
"database": db_name,
"stat_id": None,
"transaction_id": None,
"attachment_id": None,
"type": None
}
transactions = cursor.fetchall()
for transaction in transactions:
seconds_gone = 0
if not transaction[12] is None:
time_zone = transaction[12].tzinfo
current_time = datetime.datetime.now(time_zone)
seconds_gone = (current_time - transaction[12]).total_seconds()
labels["stat_id"] = transaction[0]
labels["transaction_id"] = transaction[1]
labels["attachment_id"] = transaction[2]
labels["type"] = "state"
response += make_prometheus_response(metric_name, labels, transaction[3])
labels["type"] = "top_transaction"
response += make_prometheus_response(metric_name, labels, transaction[4])
labels["type"] = "oldest_transaction"
response += make_prometheus_response(metric_name, labels, transaction[5])
labels["type"] = "oldest_active"
response += make_prometheus_response(metric_name, labels, transaction[6])
labels["type"] = "isolation_mode"
response += make_prometheus_response(metric_name, labels, transaction[7])
labels["type"] = "lock_timeout"
response += make_prometheus_response(metric_name, labels, transaction[8])
labels["type"] = "read_only"
response += make_prometheus_response(metric_name, labels, transaction[9])
labels["type"] = "auto_commit"
response += make_prometheus_response(metric_name, labels, transaction[10])
labels["type"] = "auto_undo"
response += make_prometheus_response(metric_name, labels, transaction[11])
labels["type"] = "deltatime"
response += make_prometheus_response(metric_name, labels, seconds_gone)
return response
def scrape_transactions_params(path_to_gstat, path_to_database, db_name) -> str:
response = ""
out = subprocess.run([path_to_gstat, '-h', path_to_database], capture_output=True).stdout
out = [row.replace('\r', '') for row in str(out, encoding="UTF-8").split('\n')]
for i in range(out.count('')):
out.remove('')
out = [row[1:] for row in out]
p = {}
for row in out:
buffer = row.split('\t')
p[buffer[0]] = buffer[-1]
del out
metric_name = "transactions_params"
labels = {"database": db_name, "type": "NT"}
response += make_prometheus_response(metric_name, labels, int(p["Next transaction"]))
labels["type"] = "OIT"
response += make_prometheus_response(metric_name, labels, int(p["Oldest transaction"]))
labels["type"] = "OAT"
response += make_prometheus_response(metric_name, labels, int(p["Oldest active"]))
labels["type"] = "OST"
response += make_prometheus_response(metric_name, labels, int(p["Oldest snapshot"]))
return response
def scrape_mon_statements(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$STATEMENT_ID, MON$ATTACHMENT_ID, MON$TRANSACTION_ID, MON$STATE, MON$TIMESTAMP FROM MON$STATEMENTS")
response = ""
metric_name = "mon_statement"
labels = {
"database": db_name,
"stat_id": None,
"statement_id": None,
"attachment_id": None,
"transaction_id": None,
"type": None
}
statements = cursor.fetchall()
for statement in statements:
seconds_gone = 0
if not statement[5] is None:
time_zone = statement[5].tzinfo
current_time = datetime.datetime.now(time_zone)
seconds_gone = (current_time - statement[5]).total_seconds()
labels["stat_id"] = statement[0]
labels["statement_id"] = statement[1]
labels["attachment_id"] = statement[2]
labels["transaction_id"] = statement[3]
labels["type"] = "state"
response += make_prometheus_response(metric_name, labels, statement[4])
labels["type"] = "deltatime"
response += make_prometheus_response(metric_name, labels, seconds_gone)
return response
def scrape_mon_io_stats(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$STAT_GROUP, MON$PAGE_READS, MON$PAGE_WRITES, MON$PAGE_FETCHES, MON$PAGE_MARKS FROM MON$IO_STATS")
response = ""
metric_name = "mon_io_stats"
labels = {
"database": db_name,
"stat_id": None,
"stat_group": None,
"type": None
}
io = cursor.fetchall()
for record in io:
labels["stat_id"] = record[0]
labels["stat_group"] = decode_group(record[1])
labels["type"] = "page_reads"
response += make_prometheus_response(metric_name, labels, record[2])
labels["type"] = "page_writes"
response += make_prometheus_response(metric_name, labels, record[3])
labels["type"] = "page_fetches"
response += make_prometheus_response(metric_name, labels, record[4])
labels["type"] = "page_marks"
response += make_prometheus_response(metric_name, labels, record[5])
return response
def scrape_mon_memory_usage(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$STAT_GROUP, MON$MEMORY_USED, MON$MEMORY_ALLOCATED, MON$MAX_MEMORY_USED, MON$MAX_MEMORY_ALLOCATED FROM MON$MEMORY_USAGE")
response = ""
metric_name = "mon_memory_usage"
labels = {
"database": db_name,
"stat_id": None,
"stat_group": None,
"type": None
}
data = cursor.fetchall()
for record in data:
labels["stat_id"] = record[0]
labels["stat_group"] = decode_group(record[1])
labels["type"] = "memory_used"
response += make_prometheus_response(metric_name, labels, record[2])
labels["type"] = "memory_allocated"
response += make_prometheus_response(metric_name, labels, record[3])
labels["type"] = "max_memory_used"
response += make_prometheus_response(metric_name, labels, record[4])
labels["type"] = "max_memory_allocated"
response += make_prometheus_response(metric_name, labels, record[5])
return response
def scrape_mon_call_stack(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$CALL_ID, MON$OBJECT_TYPE, MON$STATEMENT_ID, MON$CALLER_ID, MON$SOURCE_LINE, MON$SOURCE_COLUMN, MON$TIMESTAMP FROM MON$CALL_STACK")
response = ""
metric_name = "mon_call_stack"
labels = {
"database": db_name,
"stat_id": None,
"call_id": None,
"object_type": None,
"statement_id": None,
"type": None
}
data = cursor.fetchall()
for record in data:
seconds_gone = 0
if not record[7] is None:
time_zone = record[7].tzinfo
current_time = datetime.datetime.now(time_zone)
seconds_gone = (current_time - record[7]).total_seconds()
labels["stat_id"] = record[0]
labels["call_id"] = record[1]
labels["object_type"] = decode_call_object_type(record[2])
labels["statement_id"] = record[3]
labels["type"] = "caller_id"
response += make_prometheus_response(metric_name, labels, record[4])
labels["type"] = "source_line"
response += make_prometheus_response(metric_name, labels, record[5])
labels["type"] = "source_column"
response += make_prometheus_response(metric_name, labels, record[5])
labels["type"] = "deltatime"
response += make_prometheus_response(metric_name, labels, seconds_gone)
return response
def scrape_mon_record_stats(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$STAT_GROUP, MON$RECORD_SEQ_READS, MON$RECORD_IDX_READS, MON$RECORD_INSERTS, MON$RECORD_UPDATES, MON$RECORD_DELETES, MON$RECORD_BACKOUTS, MON$RECORD_PURGES, MON$RECORD_EXPUNGES, MON$RECORD_LOCKS, MON$RECORD_WAITS, MON$RECORD_CONFLICTS, MON$BACKVERSION_READS, MON$FRAGMENT_READS, MON$RECORD_RPT_READS FROM MON$RECORD_STATS")
response = ""
metric_name = "mon_record_stats"
labels = {
"database": db_name,
"stat_id": None,
"stat_group": None,
"type": None
}
record_stats = cursor.fetchall()
for stat in record_stats:
labels["stat_id"] = stat[0]
labels["stat_group"] = decode_group(stat[1])
labels["type"] = "record_seq_reads"
response += make_prometheus_response(metric_name, labels, stat[2])
labels["type"] = "record_idx_reads"
response += make_prometheus_response(metric_name, labels, stat[3])
labels["type"] = "record_inserts"
response += make_prometheus_response(metric_name, labels, stat[4])
labels["type"] = "record_updates"
response += make_prometheus_response(metric_name, labels, stat[5])
labels["type"] = "record_deletes"
response += make_prometheus_response(metric_name, labels, stat[6])
labels["type"] = "record_backouts"
response += make_prometheus_response(metric_name, labels, stat[7])
labels["type"] = "record_purges"
response += make_prometheus_response(metric_name, labels, stat[8])
labels["type"] = "record_expunges"
response += make_prometheus_response(metric_name, labels, stat[9])
labels["type"] = "record_locks"
response += make_prometheus_response(metric_name, labels, stat[10])
labels["type"] = "record_waits"
response += make_prometheus_response(metric_name, labels, stat[11])
labels["type"] = "record_conflicts"
response += make_prometheus_response(metric_name, labels, stat[12])
labels["type"] = "backversion_reads"
response += make_prometheus_response(metric_name, labels, stat[13])
labels["type"] = "fragment_reads"
response += make_prometheus_response(metric_name, labels, stat[14])
labels["type"] = "record_rpt_reads"
response += make_prometheus_response(metric_name, labels, stat[15])
return response
def scrape_mon_table_stats(cursor, db_name) -> str:
cursor.execute("SELECT MON$STAT_ID, MON$STAT_GROUP, MON$TABLE_NAME, MON$RECORD_STAT_ID FROM MON$TABLE_STATS;")
response = ""
metric_name = "mon_table_stats"
labels = {
"database": db_name,
"stat_id": None,
"stat_group": None,
"table": None
}
table_stats = cursor.fetchall()
for stat in table_stats:
labels["stat_id"] = stat[3]
labels["stat_group"] = decode_group(stat[1])
labels["table"] = stat[2]
response += make_prometheus_response(metric_name, labels, 1)
return response
def scrape_system_metrics(CONFIGURE) -> str:
response = ""
memory = psutil.virtual_memory()
cpu_freq = psutil.cpu_freq()
metric_name = "system_memory"
labels = {"type": "used"}
response += make_prometheus_response(metric_name, labels, memory.total - memory.available)
labels["type"] = "available"
response += make_prometheus_response(metric_name, labels, memory.available)
labels["type"] = "total"
response += make_prometheus_response(metric_name, labels, memory.total)
metric_name = "system_cpu"
labels["type"] = "percent"
response += make_prometheus_response(metric_name, labels, psutil.cpu_percent())
labels["type"] = "frequency"
response += make_prometheus_response(metric_name, labels, cpu_freq.current)
if 'mountpoints' in CONFIGURE:
metric_name = "system_disk"
for mp in CONFIGURE['mountpoints']:
usage = psutil.disk_usage(mp)
labels["disks"] = mp
labels["type"] = "total"
response += make_prometheus_response(metric_name, labels, usage.total)
labels["type"] = "used"
response += make_prometheus_response(metric_name, labels, usage.used)
labels["type"] = "free"
response += make_prometheus_response(metric_name, labels, usage.free)
return response
TRACE_DATA = {"OK": 0, "FAILS": 0, "TIMES": 0, "TIMES_PE": 0}
lock = threading.Lock()
def scrape_trace(db_name) -> str:
global TRACE_DATA, lock
metric_name = "trace_statements"
labels = {
"database": db_name,
"type": None
}
lock.acquire()
ok = TRACE_DATA["OK"]
fails = TRACE_DATA["FAILS"]
times = TRACE_DATA["TIMES"]
times_pe = TRACE_DATA["TIMES_PE"]
lock.release()
response = ""
labels["type"] = "ok"
response += make_prometheus_response(metric_name, labels, ok)
labels["type"] = "fail"
response += make_prometheus_response(metric_name, labels, fails)
labels["type"] = "time"
response += make_prometheus_response(metric_name, labels, times)
labels["type"] = "time_pe"
response += make_prometheus_response(metric_name, labels, times_pe)
return response
def extract_trace(rdbtracemgr, trace_config, login, password):
global TRACE_DATA, lock
cmd_line = f"{rdbtracemgr} -SE service_mgr -START -NAME my_trace -CONFIG {trace_config} -u {login} -p {password}"
trace_manager = subprocess.Popen(cmd_line.split(), stdout=subprocess.PIPE)
line = trace_manager.stdout.readline().decode("utf-8") # skip message "trace session started..."
while True:
fails = 0
ok = 0
times = 0
times_pe = 0
line = trace_manager.stdout.readline().decode("utf-8")
statement: list
time: list
if line:
statement = re.findall(r'(FAILED|UNAUTHORIZED)*\s?(EXECUTE_STATEMENT_FINISH|PREPARE_STATEMENT)', line, re.S)
if statement:
statement = statement[0]
failed = statement[0] == "FAILED" or statement[0] == "UNAUTHORIZED"
if failed:
fails += 1
elif statement[1] == 'EXECUTE_STATEMENT_FINISH':
ok += 1
time = re.findall(r'.*?\s+(\d+) ms', line, re.S)
if time:
times += int(time[0][0])
if statement:
if statement[1] in ("EXECUTE_STATEMENT_FINISH", "PREPARE_STATEMENT", "EXECUTE_STATEMENT_START"):
times_pe += int(time[0][0])
lock.acquire()
TRACE_DATA["OK"] += ok
TRACE_DATA["FAILS"] += fails
TRACE_DATA["TIMES"] += times
TRACE_DATA["TIMES_PE"] += times_pe
lock.release()