OpenSSL requirement from reqwest

[jatsrt]

0.21.0-pre.2

Reqwest has an optional feature to switch to "rustls-tls". This allows much easier cross compilation. Elastic uses reqwest, but just uses it as is, so it is pulling in hyper-tls, which requires openssl.

I do not beleive(though I could be wrong). That this is something that can be externally changed in cargo. So, the question is, is it possible to enable a passthrough feature that would allow the use of elastic with rustls-tls, or to default for compatibility.

[KodrAus]

Hi @jatsrt 👋

If you add reqwest as a dependency in your Cargo.toml alongside elastic with the rustls-tls feature then it should all work, but I'd also be happy to add a rustls-tls feature to elastic that enabled the same feature in its own reqwest dependency.

[jatsrt]

Tried that, as I already use reqwest for other purposes, didn't work.

[dependencies]
serde = "1.0"
serde_json = { version = "1.0", features = ["arbitrary_precision"] }
serde_derive = "1.0"
elastic = "0.21.0-pre.2"
elastic_derive = "0.21.0-pre.2"

reqwest = {version = "0.9", default_features = false, features=["rustls-tls"]}

[jatsrt]

unless I need to match the version exactly with "~0.9"

[jatsrt]

OK, no that did not do the trick

serde = "1.0"
serde_json = { version = "1.0", features = ["arbitrary_precision"] }
serde_derive = "1.0"
elastic = "0.21.0-pre.2"
elastic_derive = "0.21.0-pre.2"

reqwest = {version = "~0.9", default_features = false, features=["rustls-tls"]}

[KodrAus]

Ah right, so reqwest uses a default-tls feature that we have to disable before it'll stop compiling openssl, in which case just adding a dependency on reqwest yourself won't be enough.