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diff --git a/shared/grpc_clients/Cargo.toml b/shared/grpc_clients/Cargo.toml
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "grpc_clients"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+derive_more = "0.99"
+prost = "0.11"
+tonic = { version = "0.9.1", features = ["tls"]}
+tracing = "0.1"
+tracing-subscriber = { version = "0.3.16", features = ["env-filter"] }
+
+[build-dependencies]
+tonic-build = "0.9.1"
diff --git a/shared/grpc_clients/build.rs b/shared/grpc_clients/build.rs
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/build.rs
@@ -0,0 +1,12 @@
+fn main() {
+  tonic_build::configure()
+    .build_server(false)
+    .compile(
+      &[
+        "../protos/identity_client.proto",
+        "../protos/identity_authenticated.proto",
+      ],
+      &["../protos"],
+    )
+    .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+}
diff --git a/shared/grpc_clients/src/error.rs b/shared/grpc_clients/src/error.rs
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/src/error.rs
@@ -0,0 +1,11 @@
+use tonic::codegen::http::uri::InvalidUri;
+
+#[derive(
+  Debug, derive_more::Display, derive_more::From, derive_more::Error,
+)]
+pub enum Error {
+  #[display(...)]
+  TransportError(tonic::transport::Error),
+  #[display(...)]
+  InvalidUri(InvalidUri),
+}
diff --git a/shared/grpc_clients/src/identity/authenticated.rs b/shared/grpc_clients/src/identity/authenticated.rs
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/src/identity/authenticated.rs
@@ -0,0 +1,60 @@
+use super::protos::authenticated::identity_client_service_client::IdentityClientServiceClient as AuthClient;
+use tonic::{
+  codegen::InterceptedService,
+  metadata::{errors::InvalidMetadataValue, Ascii, MetadataValue},
+  service::Interceptor,
+  transport::Channel,
+  Request, Status,
+};
+
+use crate::error::Error;
+
+pub struct AuthLayer {
+  user_id: String,
+  device_id: String,
+  access_token: String,
+}
+
+trait ToMetadataValueAscii {
+  fn parse_to_ascii(&self) -> Result<MetadataValue<Ascii>, Status>;
+}
+
+impl ToMetadataValueAscii for str {
+  fn parse_to_ascii(&self) -> Result<MetadataValue<Ascii>, Status> {
+    self.parse().map_err(|e: InvalidMetadataValue| {
+      Status::invalid_argument(format!(
+        "Non-Ascii character present in metadata value: {}",
+        e
+      ))
+    })
+  }
+}
+
+impl Interceptor for AuthLayer {
+  fn call(&mut self, mut request: Request<()>) -> Result<Request<()>, Status> {
+    let metadata = request.metadata_mut();
+    metadata.insert("user_id", self.user_id.parse_to_ascii()?);
+    metadata.insert("device_id", self.device_id.parse_to_ascii()?);
+    metadata.insert("access_token", self.access_token.parse_to_ascii()?);
+
+    Ok(request)
+  }
+}
+pub async fn get_auth_client(
+  url: &str,
+  user_id: String,
+  device_id: String,
+  access_token: String,
+) -> Result<AuthClient<InterceptedService<Channel, AuthLayer>>, Error> {
+  use super::get_identity_service_channel;
+
+  let channel = get_identity_service_channel(url).await?;
+
+  let interceptor = AuthLayer {
+    user_id,
+    device_id,
+    access_token,
+  };
+
+  Ok(AuthClient::with_interceptor(channel, interceptor))
+}
diff --git a/shared/grpc_clients/src/identity/mod.rs b/shared/grpc_clients/src/identity/mod.rs
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/src/identity/mod.rs
@@ -0,0 +1,40 @@
+pub mod authenticated;
+pub mod unauthenticated;
+
+pub mod protos {
+  // This must be named client for authenticated generated code
+  pub mod client {
+    tonic::include_proto!("identity.client");
+  }
+  pub use client as unauthenticated;
+
+  pub mod authenticated {
+    tonic::include_proto!("identity.authenticated");
+  }
+}
+
+use crate::error::Error;
+use tonic::transport::Channel;
+use tonic::transport::{Certificate, ClientTlsConfig};
+use tracing::{self, info};
+
+pub use authenticated::get_auth_client;
+pub use unauthenticated::get_unauthenticated_client;
+
+pub(crate) async fn get_identity_service_channel(
+  url: &str,
+) -> Result<Channel, Error> {
+  let ca_cert = crate::get_ca_cert_contents().expect("Unable to get CA bundle");
+
+  info!("Connecting to identity service at {}", url);
+  let mut channel = Channel::from_shared(url.to_string())?;
+
+  // tls_config will fail if the underlying URI is only http://
+  if url.starts_with("https:") {
+    channel = channel.tls_config(
+      ClientTlsConfig::new().ca_certificate(Certificate::from_pem(&ca_cert)),
+    )?
+  }
+
+  Ok(channel.connect().await?)
+}
diff --git a/shared/grpc_clients/src/identity/unauthenticated.rs b/shared/grpc_clients/src/identity/unauthenticated.rs
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/src/identity/unauthenticated.rs
@@ -0,0 +1,11 @@
+use tonic::transport::Channel;
+
+use super::protos::client::identity_client_service_client::IdentityClientServiceClient;
+use crate::error::Error;
+
+pub async fn get_unauthenticated_client(
+  url: &str,
+) -> Result<IdentityClientServiceClient<Channel>, Error> {
+  let channel = super::get_identity_service_channel(url).await?;
+  Ok(IdentityClientServiceClient::new(channel))
+}
diff --git a/shared/grpc_clients/src/lib.rs b/shared/grpc_clients/src/lib.rs
new file mode 100644
--- /dev/null
+++ b/shared/grpc_clients/src/lib.rs
@@ -0,0 +1,21 @@
+pub mod error;
+pub mod identity;
+
+use std::path::Path;
+
+const CERT_PATHS: &'static [&'static str] = &[
+  // MacOS and newer Ubuntu
+  "/etc/ssl/cert.pem",
+  // Common CA cert paths
+  "/etc/ssl/certs/ca-bundle.crt",
+  "/etc/ssl/certs/ca-certificates.crt",
+];
+
+pub(crate) fn get_ca_cert_contents() -> Option<String> {
+  CERT_PATHS
+    .iter()
+    .map(Path::new)
+    .filter(|p| p.exists())
+    .filter_map(|f| std::fs::read_to_string(f).ok())
+    .next()
+}