Add debug image.

BUILDING.md

@@ -8,6 +8,9 @@ docker buildx build --pull --push --progress plain --platform linux/arm64,linux/
 
 # If the new version is stable then update latest:
 docker buildx build --pull --push --progress plain --platform linux/arm64,linux/amd64 -t public.ecr.aws/stefansundin/bottlerocket-bootstrap-associate-eip:latest .
+
+# Build the debug image:
+docker buildx build --pull --push --progress plain --platform linux/arm64,linux/amd64 -t public.ecr.aws/stefansundin/bottlerocket-bootstrap-associate-eip:debug -f Dockerfile.debug .
 ```
 
 If the build crashes then it is most likely because Docker ran out of memory. Increase the amount of RAM allocated to Docker and quit other programs during the build.

Cargo.toml

@@ -6,4 +6,5 @@ edition = "2021"
 [dependencies]
 aws-config = "0.48.0"
 aws-sdk-ec2 = "0.18.0"
+env_logger = "0.9.0"
 tokio = { version = "1", features = ["macros"] }

Dockerfile.debug

@@ -0,0 +1,46 @@
+# This image has more logging enabled and the binary is not stripped.
+# https://docs.aws.amazon.com/sdk-for-rust/latest/dg/logging.html
+
+FROM rust:1-bullseye AS builder
+
+ARG TARGETARCH
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y musl-tools
+
+WORKDIR /src
+
+ENV CC=musl-gcc
+ENV AR=ar
+ENV RUST_BACKTRACE=full
+
+ADD . .
+
+RUN rustup --version
+
+RUN case "$TARGETARCH" in \
+      arm64) TARGET=aarch64-unknown-linux-musl ;; \
+      amd64) TARGET=x86_64-unknown-linux-musl ;; \
+      *) echo "Does not support $TARGETARCH" && exit 1 ;; \
+    esac && \
+    rustup target add $TARGET && \
+    cargo build --release --target $TARGET && \
+    mv target/$TARGET/release/bottlerocket-bootstrap-associate-eip target/release/
+
+# Copy the binary into an empty docker image
+FROM scratch
+
+LABEL org.opencontainers.image.authors="Stefan Sundin"
+LABEL org.opencontainers.image.url="https://github.com/stefansundin/bottlerocket-bootstrap-associate-eip"
+
+COPY --from=builder /src/target/release/bottlerocket-bootstrap-associate-eip /bottlerocket-bootstrap-associate-eip
+
+# Use the CA bundle from the Bottlerocket file system
+ENV SSL_CERT_FILE=/.bottlerocket/rootfs/etc/pki/tls/certs/ca-bundle.crt
+
+# Enable more verbose logs
+ENV RUST_BACKTRACE=full
+ENV RUST_LOG=aws
+
+ENTRYPOINT [ "/bottlerocket-bootstrap-associate-eip" ]

README.md

@@ -64,3 +64,9 @@ journalctl -u bootstrap-containers@associate-eip.service
 ```
 
 If you are unable to connect to the instance then wait 10 minutes and then check the EC2 instance system log.
+
+If you want more logging enabled then use the `debug` image:
+
+```toml
+source = "public.ecr.aws/stefansundin/bottlerocket-bootstrap-associate-eip:debug"
+```

src/main.rs

@@ -3,6 +3,8 @@
 
 #[tokio::main(flavor = "current_thread")]
 async fn main() -> Result<(), std::io::Error> {
+  env_logger::init();
+
   // Read the container user-data which contains the allocation id
   let allocation_id =
     std::fs::read_to_string("/.bottlerocket/bootstrap-containers/current/user-data")