def get_discover(http_context, app, sessions):
logger.info('Starting discovery.')
try:
sysinfo = SysInfo()
with app.postgres.connect() as conn:
pginfo = PgInfo(conn)
ret = dict(hostname=sysinfo.hostname(
app.config.temboard['hostname']),
cpu=sysinfo.n_cpu(),
memory_size=sysinfo.memory_size(),
pg_port=pginfo.setting('port'),
pg_version=pginfo.version()['full'],
pg_version_summary=pginfo.version()['summary'],
pg_data=pginfo.setting('data_directory'),
plugins=[
plugin_name
for plugin_name in app.config.temboard['plugins']
])
logger.info('Discovery done.')
return ret
except (error, Exception, HTTPError) as e:
logger.exception(e)
logger.info('Discovery failed.')
if isinstance(e, HTTPError):
raise e
else:
raise HTTPError(500, "Internal error.")
def get_discover(http_context, app, sessions):
logger.info('Starting discovery.')
# Optionnal validation of key. For compatibility, we accept unauthenticated
# /discover. But for better reliability, we validate a key sent by HTTP
# header. temboard-agent-register sends key to prevent configuration
# mismatch.
request_key = http_context['headers'].get('X-Temboard-Agent-Key')
if request_key and request_key != app.config.temboard['key']:
raise HTTPError(401, "Invalid key")
discover = dict(
hostname=None,
cpu=None,
memory_size=None,
pg_port=app.config.postgresql['port'],
pg_version=None,
pg_version_summary=None,
pg_data=None,
plugins=[plugin for plugin in app.config.temboard['plugins']],
)
try:
# Gather system informations
sysinfo = SysInfo()
hostname = sysinfo.hostname(app.config.temboard['hostname'])
cpu = sysinfo.n_cpu()
memory_size = sysinfo.memory_size()
except (Exception, HTTPError) as e:
logger.exception(str(e))
logger.error('System discovery failed.')
# We stop here if system information has not been collected
if isinstance(e, HTTPError):
raise e
else:
raise HTTPError(500, "Internal error.")
discover.update(hostname=hostname, cpu=cpu, memory_size=memory_size)
try:
with app.postgres.connect() as conn:
pginfo = PgInfo(conn)
discover.update(pg_block_size=int(pginfo.setting('block_size')),
pg_version=pginfo.version()['full'],
pg_version_summary=pginfo.version()['summary'],
pg_data=pginfo.setting('data_directory'))
except Exception as e:
logger.exception(str(e))
logger.error('Postgres discovery failed.')
# Do not raise HTTPError, just keeping null values for Postgres
# informations.
logger.info('Discovery done.')
logger.debug(discover)
return discover
def get_discover(http_context, app, sessions):
logger.info('Starting discovery.')
discover = dict(
hostname=None,
cpu=None,
memory_size=None,
pg_port=app.config.postgresql['port'],
pg_version=None,
pg_version_summary=None,
pg_data=None,
plugins=[plugin for plugin in app.config.temboard['plugins']],
)
try:
# Gather system informations
sysinfo = SysInfo()
hostname = sysinfo.hostname(app.config.temboard['hostname'])
cpu = sysinfo.n_cpu()
memory_size = sysinfo.memory_size()
except (Exception, HTTPError) as e:
logger.exception(str(e))
logger.error('System discovery failed.')
# We stop here if system information has not been collected
if isinstance(e, HTTPError):
raise e
else:
raise HTTPError(500, "Internal error.")
discover.update(
hostname=hostname, cpu=cpu, memory_size=memory_size
)
try:
with app.postgres.connect() as conn:
pginfo = PgInfo(conn)
discover.update(
pg_block_size=int(pginfo.setting('block_size')),
pg_version=pginfo.version()['full'],
pg_version_summary=pginfo.version()['summary'],
pg_data=pginfo.setting('data_directory')
)
except Exception as e:
logger.exception(str(e))
logger.error('Postgres discovery failed.')
# Do not raise HTTPError, just keeping null values for Postgres
# informations.
logger.info('Discovery done.')
logger.debug(discover)
return discover
def get_discover(http_context, config=None, sessions=None):
conn = connector(host=config.postgresql['host'],
port=config.postgresql['port'],
user=config.postgresql['user'],
password=config.postgresql['password'],
database=config.postgresql['dbname'])
logger.info('Starting discovery.')
try:
conn.connect()
sysinfo = SysInfo()
pginfo = PgInfo(conn)
ret = {
'hostname': sysinfo.hostname(config.temboard['hostname']),
'cpu': sysinfo.n_cpu(),
'memory_size': sysinfo.memory_size(),
'pg_port': pginfo.setting('port'),
'pg_version': pginfo.version()['full'],
'pg_data': pginfo.setting('data_directory'),
'plugins':
[plugin_name for plugin_name in config.temboard['plugins']]
}
conn.close()
logger.info('Discovery done.')
return ret
except (error, Exception, HTTPError) as e:
logger.exception(str(e))
logger.info('Discovery failed.')
try:
conn.close()
except Exception:
pass
if isinstance(e, HTTPError):
raise e
else:
raise HTTPError(500, "Internal error.")