8000 feat(tracing): Allow trace collector to be unmeshed by sfleen · Pull Request #3953 · linkerd/linkerd2-proxy · GitHub
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feat(tracing): Allow trace collector to be unmeshed #3953

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22 changes: 21 additions & 1 deletion linkerd/app/src/env.rs
Original file line number Diff line number Diff line change
Expand Up @@ -444,7 +444,8 @@ pub fn parse_config<S: Strings>(strings: &S) -> Result<super::Config, EnvError>
let trace_protocol = strings.get(ENV_TRACE_PROTOCOL);
let trace_service_ 8000 name = strings.get(ENV_TRACE_SERVICE_NAME);

let trace_collector_addr = parse_control_addr(strings, ENV_TRACE_COLLECTOR_SVC_BASE);
let trace_collector_addr =
parse_optionally_named_control_addr(strings, ENV_TRACE_COLLECTOR_SVC_BASE);

let gateway_suffixes = parse(strings, ENV_INBOUND_GATEWAY_SUFFIXES, parse_dns_suffixes);

Expand Down Expand Up @@ -1133,6 +1134,21 @@ pub fn parse_backoff<S: Strings>(
pub fn parse_control_addr<S: Strings>(
strings: &S,
base: &str,
) -> Result<Option<ControlAddr>, EnvError> {
parse_control_addr_inner(strings, base, false)
}

pub fn parse_optionally_named_control_addr<S: Strings>(
strings: &S,
base: &str,
) -> Result<Option<ControlAddr>, EnvError> {
parse_control_addr_inner(strings, base, true)
}

fn parse_control_addr_inner<S: Strings>(
strings: &S,
base: &str,
name_optional: bool,
) -> Result<Option<ControlAddr>, EnvError> {
let a = parse(strings, &format!("{base}_ADDR"), parse_addr)?;
let n = parse(strings, &format!("{base}_NAME"), parse_dns_name)?;
Expand All @@ -1142,6 +1158,10 @@ pub fn parse_control_addr<S: Strings>(
addr: addr.clone(),
identity: Conditional::None(tls::NoClientTls::Loopback),
})),
(Some(ref addr), None) if name_optional => Ok(Some(ControlAddr {
addr: addr.clone(),
identity: Conditional::None(tls::NoClientTls::Disabled),
})),
(Some(addr), Some(name)) => Ok(Some(ControlAddr {
addr,
identity: Conditional::Some(tls::ClientTls::new(
Expand Down
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