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compute_ctl: only try zenith_admin if could not authenticate #6955

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merged 3 commits into from
Mar 4, 2024
Merged

compute_ctl: only try zenith_admin if could not authenticate #6955

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37b631e
compute_ctl: only try zenith_admin if could not auth
skyzh Feb 28, 2024
25f5d4a
apply suggestion + add new errtyp
skyzh Mar 1, 2024
0b202f1
more context for error
skyzh Mar 1, 2024
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48 changes: 29 additions & 19 deletions compute_tools/src/compute.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ use chrono::{DateTime, Utc};
use futures::future::join_all;
use futures::stream::FuturesUnordered;
use futures::StreamExt;
use postgres::error::SqlState;
use postgres::{Client, NoTls};
use tokio;
use tokio_postgres;
Expand Down Expand Up @@ -777,25 +778,34 @@ impl ComputeNode {
let connstr = self.connstr.clone();
let mut client = match Client::connect(connstr.as_str(), NoTls) {
Err(e) => {
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info!(
"cannot connect to postgres: {}, retrying with `zenith_admin` username",
e
);
let mut zenith_admin_connstr = connstr.clone();

zenith_admin_connstr
.set_username("zenith_admin")
.map_err(|_| anyhow::anyhow!("invalid connstr"))?;

let mut client = Client::connect(zenith_admin_connstr.as_str(), NoTls)?;
// Disable forwarding so that users don't get a cloud_admin role
client.simple_query("SET neon.forward_ddl = false")?;
client.simple_query("CREATE USER cloud_admin WITH SUPERUSER")?;
client.simple_query("GRANT zenith_admin TO cloud_admin")?;
drop(client);

// reconnect with connstring with expected name
Client::connect(connstr.as_str(), NoTls)?
if let Some(code) = e.code() {
if code == &SqlState::INVALID_PASSWORD {
// connect with zenith_admin if cloud_admin could not authenticate
info!(
"cannot connect to postgres: {}, retrying with `zenith_admin` username",
e
);
let mut zenith_admin_connstr = connstr.clone();

zenith_admin_connstr
.set_username("zenith_admin")
.map_err(|_| anyhow::anyhow!("invalid connstr"))?;

let mut client = Client::connect(zenith_admin_connstr.as_str(), NoTls)?;
// Disable forwarding so that users don't get a cloud_admin role
client.simple_query("SET neon.forward_ddl = false")?;
client.simple_query("CREATE USER cloud_admin WITH SUPERUSER")?;
client.simple_query("GRANT zenith_admin TO cloud_admin")?;
drop(client);

// reconnect with connstring with expected name
Client::connect(connstr.as_str(), NoTls)?
} else {
return Err(e.into());
}
} else {
return Err(e.into());
}
}
Ok(client) => client,
};
Expand Down