[client.python]
key = AQDORjxaYHG9JxAA0qiZC0Rmf3qulsO3P/bZgw==
caps mon = "allow r"
# ceph -n client.python --keyring ceph.client.python.keyring health
HEALTH_OK
but if I run the python script that contains a connect command to the cluster.
# python health.py
Traceback (most recent call last):
File "health.py", line 13, in <module>
r.connect()
File "/usr/lib/python2.7/dist-packages/rados.py", line 429, in connect
raise make_ex(ret, "error connecting to the cluster")
rados.Error: error connecting to the cluster: errno EINVAL
********** PYTHON SCRIPT ************
#!/usr/bin/env python
import rados
import json
def get_cluster_health(r):
cmd = {"prefix":"status", "format":"json"}
ret, buf, errs = r.mon_command(json.dumps(cmd), b'', timeout=5)
result = json.loads(buf)
return result['health']['overall_status']
r = rados.Rados(conffile = '/etc/ceph/ceph.conf', conf = dict (keyring = '/etc/ceph/ceph.client.python.keyring'))
r.connect()
print("{0}".format(get_cluster_health(r)))
if r is not None:
r.shutdown()
*************************************
Hi,I'm writing a small python script using librados to display cluster health, same info as ceph health detail show, it works fine but I rather not use the admin keyring for something like this. However I have no clue what kind of caps I should or can set, I was kind of hoping that mon allow r would do it, but that didn't work, and I'm unable to find any documentation that covers this. Any pointers would be appreciated.Thanks,Andreas
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