def _get_db_conn(self):
if self.db and self.db.closed != 0:
self.db.close()
self.db = None
if not self.db:
try:
db_config = buildpackutil.get_database_config()
if db_config['DatabaseType'] != 'PostgreSQL':
raise Exception(
'Metrics only supports postgresql, not %s'
% db_config['DatabaseType']
)
host_and_port = db_config['DatabaseHost'].split(':')
host = host_and_port[0]
if len(host_and_port) > 1:
port = int(host_and_port[1])
else:
port = 5432
self.db = psycopg2.connect(
"options='-c statement_timeout=60s'",
database=db_config['DatabaseName'],
user=db_config['DatabaseUserName'],
password=db_config['DatabasePassword'],
host=host,
port=port,
connect_timeout=3,
)
self.db.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
except Exception as e:
logger.warn('METRICS: ' + e.message)
return self.db
def _set_up_postgres():
# TODO: set up a way to disable this, on shared database (mxapps.io) we
# don't want to allow this.
if not buildpackutil.i_am_primary_instance():
return
dbconfig = buildpackutil.get_database_config()
for k in (
"DatabaseType",
"DatabaseUserName",
"DatabasePassword",
"DatabaseHost",
):
if k not in dbconfig:
return
if dbconfig["DatabaseType"] != "PostgreSQL":
return
with open(".local/datadog/conf.d/postgres.yaml", "w") as fh:
config = {
"init_config": {},
"instances": [{
"host": dbconfig["DatabaseHost"].split(":")[0],
"port": int(dbconfig["DatabaseHost"].split(":")[1]),
"username": dbconfig["DatabaseUserName"],
"password": dbconfig["DatabasePassword"],
"dbname": dbconfig["DatabaseName"],
}],
}
fh.write(yaml.safe_dump(config))
def set_runtime_config(metadata, mxruntime_config, vcap_data, m2ee):
scheduled_event_execution, my_scheduled_events = get_scheduled_events(
metadata)
app_config = {
"ApplicationRootUrl": "https://%s" % vcap_data["application_uris"][0],
"MicroflowConstants": get_constants(metadata),
"ScheduledEventExecution": scheduled_event_execution,
}
if my_scheduled_events is not None:
app_config["MyScheduledEvents"] = my_scheduled_events
if is_development_mode():
logger.warning("Runtime is being started in Development Mode. Set "
'DEVELOPMENT_MODE to "false" (currently "true") to '
"set it to production.")
app_config["DTAPMode"] = "D"
if m2ee.config.get_runtime_version() >= 7 and not i_am_primary_instance():
app_config["com.mendix.core.isClusterSlave"] = "true"
elif (m2ee.config.get_runtime_version() >= 5.15
and os.getenv("ENABLE_STICKY_SESSIONS", "false").lower() == "true"):
logger.info("Enabling sticky sessions")
app_config["com.mendix.core.SessionIdCookieName"] = "JSESSIONID"
buildpackutil.mkdir_p(os.path.join(os.getcwd(), "model", "resources"))
mxruntime_config.update(app_config)
mxruntime_config.update(
buildpackutil.get_database_config(
development_mode=is_development_mode()))
mxruntime_config.update(get_filestore_config(m2ee))
mxruntime_config.update(get_certificate_authorities())
mxruntime_config.update(get_client_certificates())
mxruntime_config.update(get_custom_settings(metadata, mxruntime_config))
mxruntime_config.update(get_custom_runtime_settings())
def _get_database_mutations(self):
conn = self._get_db_conn()
try:
db_config = buildpackutil.get_database_config()
with conn.cursor() as cursor:
cursor.execute("SELECT xact_commit, "
" xact_rollback, "
" tup_inserted, "
" tup_updated, "
" tup_deleted "
"FROM pg_stat_database "
"WHERE datname = '%s';" %
(db_config['DatabaseName'], ))
rows = cursor.fetchall()
return {
'xact_commit': int(rows[0][0]),
'xact_rollback': int(rows[0][1]),
'tup_inserted': int(rows[0][2]),
'tup_updated': int(rows[0][3]),
'tup_deleted': int(rows[0][4]),
}
except Exception as e:
logger.warn('Metrics: Failed to get database mutation stats, ' +
str(e))
return None
def _get_db_conn(self):
if self.db and self.db.closed != 0:
self.db.close()
self.db = None
if not self.db:
db_config = buildpackutil.get_database_config()
if db_config["DatabaseType"] != "PostgreSQL":
raise Exception("Metrics only supports postgresql, not %s" %
db_config["DatabaseType"])
host_and_port = db_config["DatabaseHost"].split(":")
host = host_and_port[0]
if len(host_and_port) > 1:
port = int(host_and_port[1])
else:
port = 5432
self.db = psycopg2.connect(
"options='-c statement_timeout=60s'",
database=db_config["DatabaseName"],
user=db_config["DatabaseUserName"],
password=db_config["DatabasePassword"],
host=host,
port=port,
connect_timeout=3,
)
self.db.set_isolation_level(
psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
return self.db
def _set_up_postgres():
# TODO: set up a way to disable this, on shared database (mxapps.io) we
# don't want to allow this.
if not buildpackutil.i_am_primary_instance():
return
dbconfig = buildpackutil.get_database_config()
for k in (
'DatabaseType',
'DatabaseUserName',
'DatabasePassword',
'DatabaseHost',
):
if k not in dbconfig:
return
if dbconfig['DatabaseType'] != 'PostgreSQL':
return
with open('.local/datadog/conf.d/postgres.yaml', 'w') as fh:
config = {
'init_config': {},
'instances': [{
'host': dbconfig['DatabaseHost'].split(':')[0],
'port': int(dbconfig['DatabaseHost'].split(':')[1]),
'username': dbconfig['DatabaseUserName'],
'password': dbconfig['DatabasePassword'],
'dbname': dbconfig['DatabaseName'],
}],
}
fh.write(yaml.safe_dump(config))
def set_runtime_config(metadata, mxruntime_config, vcap_data, m2ee):
scheduled_event_execution, my_scheduled_events = (
get_scheduled_events(metadata))
app_config = {
'ApplicationRootUrl': 'https://%s' % vcap_data['application_uris'][0],
'MicroflowConstants': get_constants(metadata),
'ScheduledEventExecution': scheduled_event_execution,
}
if my_scheduled_events is not None:
app_config['MyScheduledEvents'] = my_scheduled_events
if is_development_mode():
logger.warning('Runtime is being started in Development Mode. Set '
'DEVELOPMENT_MODE to "false" (currently "true") to '
'set it to production.')
app_config['DTAPMode'] = 'D'
if (m2ee.config.get_runtime_version() >= 7
and not i_am_primary_instance()):
app_config['com.mendix.core.isClusterSlave'] = 'true'
elif (m2ee.config.get_runtime_version() >= 5.15
and os.getenv('ENABLE_STICKY_SESSIONS', 'false').lower() == 'true'):
logger.info('Enabling sticky sessions')
app_config['com.mendix.core.SessionIdCookieName'] = 'JSESSIONID'
mxruntime_config.update(app_config)
mxruntime_config.update(
buildpackutil.get_database_config(
development_mode=is_development_mode(), ))
mxruntime_config.update(get_filestore_config(m2ee))
mxruntime_config.update(get_certificate_authorities())
mxruntime_config.update(get_client_certificates())
mxruntime_config.update(get_custom_settings(metadata, mxruntime_config))
mxruntime_config.update(get_custom_runtime_settings())
def _get_database_table_size(self):
conn = self._get_db_conn()
db_config = buildpackutil.get_database_config()
with conn.cursor() as cursor:
cursor.execute("SELECT pg_database_size('%s');" %
(db_config["DatabaseName"], ))
rows = cursor.fetchall()
return int_or_default(rows[0][0])
def service_backups():
vcap_services = buildpackutil.get_vcap_services_data()
if not vcap_services or 'schnapps' not in vcap_services:
logger.debug("No backup service detected")
return
backup_service = {}
if 'amazon-s3' in vcap_services:
s3_credentials = vcap_services['amazon-s3'][0]['credentials']
backup_service['filesCredentials'] = {
'accessKey': s3_credentials['access_key_id'],
'secretKey': s3_credentials['secret_access_key'],
'bucketName': s3_credentials['bucket'],
}
if 'key_suffix' in s3_credentials: # Not all s3 plans have this field
backup_service['filesCredentials']['keySuffix'] = s3_credentials['key_suffix']
try:
db_config = buildpackutil.get_database_config()
if db_config['DatabaseType'] != 'PostgreSQL':
raise Exception(
'Schnapps only supports postgresql, not %s'
% db_config['DatabaseType']
)
host_and_port = db_config['DatabaseHost'].split(':')
backup_service['databaseCredentials'] = {
'host': host_and_port[0],
'username': db_config['DatabaseUserName'],
'password': db_config['DatabasePassword'],
'dbname': db_config['DatabaseName'],
'port': int(host_and_port[1]) if len(host_and_port) > 1 else 5432,
}
except Exception as e:
logger.exception(
'Schnapps will not be activated because error occurred with '
'parsing the database credentials'
)
return
schnapps_url = vcap_services['schnapps'][0]['credentials']['url']
schnapps_api_key = vcap_services['schnapps'][0]['credentials']['apiKey']
try:
result = requests.put(
schnapps_url,
headers={
'Content-Type': 'application/json',
'apiKey': schnapps_api_key
},
data=json.dumps(backup_service),
)
except Exception as e:
logger.warning('Failed to contact backup service: ' + e)
return
if result.status_code == 200:
logger.info("Successfully updated backup service")
else:
logger.warning("Failed to update backup service: " + result.text)
def _get_database_table_size(self):
conn = self._get_db_conn()
try:
db_config = buildpackutil.get_database_config()
with conn.cursor() as cursor:
cursor.execute("SELECT pg_database_size('%s');" %
(db_config['DatabaseName'], ))
rows = cursor.fetchall()
return int(rows[0][0])
except Exception as e:
logger.warn('Metrics: Failed to get database data size, ' + str(e))
return None
def service_backups():
vcap_services = buildpackutil.get_vcap_services_data()
if not vcap_services or 'schnapps' not in vcap_services:
logger.info("No backup service detected")
return
backup_service = {}
if 'amazon-s3' in vcap_services:
s3_credentials = vcap_services['amazon-s3'][0]['credentials']
backup_service['filesCredentials'] = {
'accessKey': s3_credentials['access_key_id'],
'secretKey': s3_credentials['secret_access_key'],
'bucketName': s3_credentials['bucket'],
}
if 'key_suffix' in s3_credentials: # Not all s3 plans have this field
backup_service['filesCredentials']['keySuffix'] = s3_credentials['key_suffix']
if 'PostgreSQL' in vcap_services:
db_config = buildpackutil.get_database_config()
host_and_port = db_config['DatabaseHost'].split(':')
backup_service['databaseCredentials'] = {
'host': host_and_port[0],
'username': db_config['DatabaseUserName'],
'password': db_config['DatabasePassword'],
'dbname': db_config['DatabaseName'],
'port': int(host_and_port[1]) if len(host_and_port) > 1 else 5432,
}
schnapps_url = vcap_services['schnapps'][0]['credentials']['url']
schnapps_api_key = vcap_services['schnapps'][0]['credentials']['apiKey']
result = requests.put(
schnapps_url,
headers={
'Content-Type': 'application/json',
'apiKey': schnapps_api_key
},
data=json.dumps(backup_service),
)
if result.status_code == 200:
logger.info("Successfully updated backup service")
else:
logger.warning("Failed to update backup service: " + result.text)
def _get_database_mutations(self):
conn = self._get_db_conn()
db_config = buildpackutil.get_database_config()
with conn.cursor() as cursor:
cursor.execute("SELECT xact_commit, "
" xact_rollback, "
" tup_inserted, "
" tup_updated, "
" tup_deleted "
"FROM pg_stat_database "
"WHERE datname = '%s';" %
(db_config["DatabaseName"], ))
rows = cursor.fetchall()
return {
"xact_commit": int_or_default(rows[0][0]),
"xact_rollback": int_or_default(rows[0][1]),
"tup_inserted": int_or_default(rows[0][2]),
"tup_updated": int_or_default(rows[0][3]),
"tup_deleted": int_or_default(rows[0][4]),
}
return None
def set_runtime_config(metadata, mxruntime_config, vcap_data, m2ee):
scheduled_event_execution, my_scheduled_events = (
get_scheduled_events(metadata)
)
app_config = {
'ApplicationRootUrl': 'https://%s' % vcap_data['application_uris'][0],
'MicroflowConstants': get_constants(metadata),
'ScheduledEventExecution': scheduled_event_execution,
}
if my_scheduled_events is not None:
app_config['MyScheduledEvents'] = my_scheduled_events
if is_development_mode():
logger.warning(
'Runtime is being started in Development Mode. Set '
'DEVELOPMENT_MODE to "false" (currently "true") to '
'set it to production.'
)
app_config['DTAPMode'] = 'D'
if (m2ee.config.get_runtime_version() >= 5.15 and
os.getenv('ENABLE_STICKY_SESSIONS', 'false').lower() == 'true' and
not is_cluster_enabled()):
logger.info('Enabling sticky sessions')
app_config['com.mendix.core.SessionIdCookieName'] = 'JSESSIONID'
mxruntime_config.update(app_config)
mxruntime_config.update(buildpackutil.get_database_config(
development_mode=is_development_mode(),
))
mxruntime_config.update(get_filestore_config(m2ee))
mxruntime_config.update(get_cluster_config())
mxruntime_config.update(get_certificate_authorities())
mxruntime_config.update(get_custom_settings(metadata, mxruntime_config))
for k, v in os.environ.iteritems():
if k.startswith('MXRUNTIME_'):
mxruntime_config[
k.replace('MXRUNTIME_', '', 1).replace('_', '.')
] = v
def service_backups():
vcap_services = buildpackutil.get_vcap_services_data()
schnapps = None
amazon_s3 = None
for key in vcap_services:
if key.startswith("amazon-s3"):
amazon_s3 = key
if key.startswith("schnapps"):
schnapps = key
if not vcap_services or schnapps not in vcap_services:
logger.debug("No backup service detected")
return
backup_service = {}
if amazon_s3 in vcap_services:
s3_credentials = vcap_services[amazon_s3][0]["credentials"]
backup_service["filesCredentials"] = {
"accessKey": s3_credentials["access_key_id"],
"secretKey": s3_credentials["secret_access_key"],
"bucketName": s3_credentials["bucket"],
}
if "key_suffix" in s3_credentials: # Not all s3 plans have this field
backup_service["filesCredentials"]["keySuffix"] = s3_credentials[
"key_suffix"
]
try:
db_config = buildpackutil.get_database_config()
if db_config["DatabaseType"] != "PostgreSQL":
raise Exception(
"Schnapps only supports postgresql, not %s"
% db_config["DatabaseType"]
)
host_and_port = db_config["DatabaseHost"].split(":")
backup_service["databaseCredentials"] = {
"host": host_and_port[0],
"username": db_config["DatabaseUserName"],
"password": db_config["DatabasePassword"],
"dbname": db_config["DatabaseName"],
"port": int(host_and_port[1]) if len(host_and_port) > 1 else 5432,
}
except Exception as e:
logger.exception(
"Schnapps will not be activated because error occurred with "
"parsing the database credentials"
)
return
schnapps_url = vcap_services[schnapps][0]["credentials"]["url"]
schnapps_api_key = vcap_services[schnapps][0]["credentials"]["apiKey"]
try:
result = requests.put(
schnapps_url,
headers={
"Content-Type": "application/json",
"apiKey": schnapps_api_key,
},
data=json.dumps(backup_service),
)
except requests.exceptions.SSLError as e:
logger.warning("Failed to contact backup service. SSLError: " + str(e))
return
except Exception as e:
logger.warning("Failed to contact backup service: ", exc_info=True)
return
if result.status_code == 200:
logger.info("Successfully updated backup service")
else:
logger.warning("Failed to update backup service: " + result.text)
