Add environment variables to create container

Signed-off-by: Martin Michaelis <code@mgjm.de>
containers · Jul 11, 2023 · b4e18e1 · b4e18e1
1 parent 3605b28
commit b4e18e1
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Showing 5 changed files with 233 additions and 196 deletions.
diff --git a/conmon-rs/common/proto/conmon.capnp b/conmon-rs/common/proto/conmon.capnp
@@ -39,6 +39,7 @@ interface Conmon {
         commandArgs @9 :List(Text);
         metadataOld @10 :Data; # deprecated
         metadata @11 :Metadata; # Standard metadata to carry.
+        envVars @12 :TextTextMap;
     }
 
     struct LogDriver {

diff --git a/conmon-rs/server/src/child_reaper.rs b/conmon-rs/server/src/child_reaper.rs
@@ -63,6 +63,7 @@ impl ChildReaper {
         stdin: bool,
         container_io: &mut ContainerIO,
         pidfile: &Path,
+        env_vars: Vec<(String, String)>,
     ) -> Result<(u32, CancellationToken)>
     where
         P: AsRef<OsStr>,
@@ -79,6 +80,7 @@ impl ChildReaper {
             .args(args)
             .stdout(Stdio::piped())
             .stderr(Stdio::piped())
+            .envs(env_vars)
             .spawn()
             .context("spawn child process: {}")?;
 

diff --git a/conmon-rs/server/src/rpc.rs b/conmon-rs/server/src/rpc.rs
@@ -1,4 +1,5 @@
 use crate::{
+    capnp_util,
     child::Child,
     container_io::{ContainerIO, SharedContainerIO},
     container_log::ContainerLog,
@@ -134,13 +135,14 @@ impl conmon::Server for Server {
         let runtime = self.config().runtime().clone();
         let exit_paths = capnp_vec_path!(req.get_exit_paths());
         let oom_exit_paths = capnp_vec_path!(req.get_oom_exit_paths());
+        let env_vars = pry!(req.get_env_vars().and_then(capnp_util::into_map));
 
         Promise::from_future(
             async move {
                 capnp_err!(container_log.write().await.init().await)?;
 
                 let (grandchild_pid, token) = capnp_err!(match child_reaper
-                    .create_child(runtime, args, stdin, &mut container_io, &pidfile)
+                    .create_child(runtime, args, stdin, &mut container_io, &pidfile, env_vars)
                     .await
                 {
                     Err(e) => {
@@ -216,7 +218,7 @@ impl conmon::Server for Server {
         Promise::from_future(
             async move {
                 match child_reaper
-                    .create_child(&runtime, &args, false, &mut container_io, &pidfile)
+                    .create_child(&runtime, &args, false, &mut container_io, &pidfile, vec![])
                     .await
                 {
                     Ok((grandchild_pid, token)) => {