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Add support for auth_query based authentication to mirrored servers - #896
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joshcurtis
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Dec 31, 2024
| POSTGRES_DB: postgres | ||
| POSTGRES_PASSWORD: postgres | ||
| POSTGRES_INITDB_ARGS: --auth-local=scram-sha-256 --auth-host=scram-sha-256 --auth=scram-sha-256 | ||
| POSTGRES_INITDB_ARGS: --auth-local=md5 --auth-host=md5 --auth=md5 |
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I had a problem where the connection silently failed if scram authentication was used. I tried and failed to reproduce by playing around with some of the tests in auth_query_spec.rb, so it might be a problem unique to the config I was using?
Auth query not working with scram authentication might be a known issue? I ran across some problems that might be similar in the discord. I'm a bit fuzzy on how this all works so it could be unrelated
message from postgresml discord:
I tried SCRAM-SHA-256 in password encoding, the auth_query failed to work.
pgcat failed with error below"2023-09-07T09:01:37.352504Z ERROR pgcat:
Pool error: ServerAuthError("SASL auth required and no password specified.
Auth passthrough (auth_query) method is currently unsupported for SASL auth", ServerIdentifier { username: "pgcatdb", database: "pgcatdb" }) ".
SCRAM is required for FIPS.
Any planning to support SCRAM for auth_query?
joshcurtis
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The change itself is fairly simple, just piping the auth_hash object to the mirror server pool. The test was created by putting aping existing tests in mirror_spec.rb and auth_query_spec.rb. I also updated the auth of the mirror instance to md5, since the connection failed silently when scram-sha-256 was used.
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The change itself is fairly simple, just piping the auth_hash object to the mirror server pool. The test was created by putting aping existing tests in mirror_spec.rb and auth_query_spec.rb. I also updated the auth of the mirror instance to md5, since the connection failed silently when scram-sha-256 was used. Cherry-picked from postgresml#896
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The change itself is fairly simple, just piping the auth_hash object to the mirror server pool.
The test was created by putting aping existing tests in mirror_spec.rb and auth_query_spec.rb.
I also updated the auth of the mirror instance to md5, since the connection failed silently when scram-sha-256 was used.