Mongo Proxy configuration issue

[Milind Torney]

Hi All, 

Im trying to configure Mongo proxy and capture the mongo access logs.  Here is the configuration.  Somehow, this configuration is is not capturing any logs. Not sure, if this is configuration issue or issue with the mongo proxy. 

Here is the envoy configuration:

admin:
access_log_path: "/dev/null"
address:
socket_address:
address: 0.0.0.0
port_value: 8001
static_resources:
listeners:
- address:
socket_address:
address: 0.0.0.0
port_value: 27000
filter_chains:
- filters:
- name: envoy.filters.network.mongo_proxy
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.network.mongo_proxy.v3.MongoProxy
stat_prefix: "mongo"
emit_dynamic_metadata: true
access_log: /tmp/mongo_stats00.log
- name: envoy.tcp_proxy
typed_config:
"@type": type.googleapis.com/envoy.extensions.filters.network.tcp_proxy.v3.TcpProxy
stat_prefix: ingress_tcp0
cluster: mongos0
clusters:
- name: mongos0
connect_timeout: 0.25s
type: STATIC
lb_policy: ROUND_ROBIN
load_assignment:
cluster_name: mongos0
endpoints:
- lb_endpoints:
- endpoint:
address:
socket_address:
address: 172.17.0.2 #This is IP in the docker container

port_value: 27017

With above configuration, mongo queries works fine, but no logs are captured except following two lines.

{"time": "2021-05-27T20:37:23.728Z", "message": {"opcode": "OP_QUERY", "id": 45, "response_to": 0, "flags": "0x0", "collection": "admin.$cmd", "skip": 0, "return": 1, "query": {"isMaster": 1, "hostInfo": "C02F65AWMD6T:27017", "client": {"application": {"name": "MongoDB Shell"}, "driver": {"name": "MongoDB Internal Client", "version": "4.2.9"}, "os": {"type": "Darwin", "name": "Mac OS X", "architecture": "x86_64", "version": "19.6.0"}}}, "fields": {}}, "upstream_host": "172.17.0.2:27017"}

{"time": "2021-05-27T20:37:23.728Z", "message": {"opcode": "OP_REPLY", "id": 1237, "response_to": 45, "flags": "0x8", "cursor": "0", "from": 0, "returned": 1, "documents": 1}, "upstream_host": "172.17.0.2:27017"}

Any pointers will help. 

thanks

Milind  

[Milind Torney]

Attaching envoy.yaml for ref 

[Milind Torney]

Hi, Does anyone using Envoy for Mongo proxy? 

[Wade Wilkins]

Hi Milind,

Did you get a solution to this?

I am having same issue.

Thanks,

Wade

[Milind Torney]

No, could not get this to work.

Please let me know if find anything

Thanks 

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