feat(dataplane): accept config from init

This commit makes the dataplane actually accept configuration from
the memfd file created by dataplane-init.

Signed-off-by: Daniel Noland <daniel@githedgehog.com>

Author: daniel-noland

Cargo.lock

@@ -2,7 +2,9 @@ ARG BASE
 FROM $BASE AS dataplane
 ARG ARTIFACT
 ARG ARTIFACT_CLI
-COPY --link --chown=0:0 "${ARTIFACT}" /dataplane
-COPY --link --chown=0:0 "${ARTIFACT_CLI}" /dataplane-cli
+ARG ARTIFACT_INIT
+COPY --link --chown=0:0 "${ARTIFACT}" /bin/dataplane
+COPY --link --chown=0:0 "${ARTIFACT_INIT}" /bin/dataplane-init
+COPY --link --chown=0:0 "${ARTIFACT_CLI}" /bin/dataplane-cli
 WORKDIR /
-ENTRYPOINT ["/dataplane"]
+ENTRYPOINT ["/bin/dataplane-init"]

Dockerfile

@@ -35,6 +35,7 @@ pipeline = { workspace = true }
 pkt-meta = { workspace = true }
 pyroscope = { workspace = true }
 pyroscope_pprofrs = { workspace = true }
+rkyv = { workspace = true, features = [] }
 routing = { workspace = true }
 rtnetlink = { workspace = true, features = ["default", "tokio"] }
 serde = { workspace = true, features = ["derive"] }

dataplane/Cargo.toml

@@ -403,12 +403,13 @@ sh *args:
 
 # Build containers in a sterile environment
 [script]
-build-container: (sterile "_network=none" "cargo" "--locked" "build" ("--profile=" + profile) ("--target=" + target) "--package=dataplane" "--package=dataplane-cli") && version
+build-container: (sterile "_network=none" "cargo" "--locked" "build" ("--profile=" + profile) ("--target=" + target) "--package=dataplane" "--package=dataplane-cli" "--package=dataplane-init") && version
     {{ _just_debuggable_ }}
     {{ _define_truncate128 }}
     mkdir -p "artifact/{{ target }}/{{ profile }}"
     cp -r "${CARGO_TARGET_DIR:-target}/{{ target }}/{{ profile }}/dataplane" "artifact/{{ target }}/{{ profile }}/dataplane"
     cp -r "${CARGO_TARGET_DIR:-target}/{{ target }}/{{ profile }}/cli" "artifact/{{ target }}/{{ profile }}/dataplane-cli"
+    cp -r "${CARGO_TARGET_DIR:-target}/{{ target }}/{{ profile }}/dataplane-init" "artifact/{{ target }}/{{ profile }}/dataplane-init"
     declare build_date
     build_date="$(date --utc --iso-8601=date --date="{{ _build_time }}")"
     declare -r build_date
@@ -426,6 +427,7 @@ build-container: (sterile "_network=none" "cargo" "--locked" "build" ("--profile
       --tag "${TAG}" \
       --build-arg ARTIFACT="artifact/{{ target }}/{{ profile }}/dataplane" \
       --build-arg ARTIFACT_CLI="artifact/{{ target }}/{{ profile }}/dataplane-cli" \
+      --build-arg ARTIFACT_INIT="artifact/{{ target }}/{{ profile }}/dataplane-init" \
       --build-arg BASE="{{ _dataplane_base_container }}" \
       .
 
@@ -445,12 +447,13 @@ build-container: (sterile "_network=none" "cargo" "--locked" "build" ("--profile
 
 # Build a container for local testing, without cache and extended base
 [script]
-build-container-quick: (compile-env "cargo" "--locked" "build" ("--target=" + target) "--package=dataplane" "--package=dataplane-cli")
+build-container-quick: (compile-env "cargo" "--locked" "build" ("--target=" + target) "--package=dataplane" "--package=dataplane-cli" "--package=dataplane-init")
     {{ _just_debuggable_ }}
     {{ _define_truncate128 }}
     mkdir -p "artifact/{{ target }}/{{ profile }}"
     cp -r "${CARGO_TARGET_DIR:-target}/{{ target }}/{{ profile }}/dataplane" "artifact/{{ target }}/{{ profile }}/dataplane"
     cp -r "${CARGO_TARGET_DIR:-target}/{{ target }}/{{ profile }}/cli" "artifact/{{ target }}/{{ profile }}/dataplane-cli"
+    cp -r "${CARGO_TARGET_DIR:-target}/{{ target }}/{{ profile }}/dataplane-init" "artifact/{{ target }}/{{ profile }}/dataplane-init"
     declare build_date
     build_date="$(date --utc --iso-8601=date --date="{{ _build_time }}")"
     declare -r build_date
@@ -464,6 +467,7 @@ build-container-quick: (compile-env "cargo" "--locked" "build" ("--target=" + ta
       --tag "${TAG}" \
       --build-arg ARTIFACT="artifact/{{ target }}/{{ profile }}/dataplane" \
       --build-arg ARTIFACT_CLI="artifact/{{ target }}/{{ profile }}/dataplane-cli" \
+      --build-arg ARTIFACT_INIT="artifact/{{ target }}/{{ profile }}/dataplane-init" \
       --build-arg BASE="{{ _debug_env_container }}" \
       .