feat: add ntpd-rs (#1024)

apps/ntpd-rs/Dockerfile

@@ -0,0 +1,37 @@
+FROM docker.io/library/rust:1.78.0-alpine as cargo
+ARG VERSION
+WORKDIR /tmp
+RUN \
+    apk add --no-cache \
+        autoconf \
+        automake \
+        build-base \
+        curl \
+        linux-headers \
+        musl-dev \
+    && \
+    curl -fsSL "https://github.com/pendulum-project/ntpd-rs/archive/refs/tags/v${VERSION}.tar.gz" \
+        | tar xzf - -C /tmp --strip-components 1 \
+    && cargo build --release
+
+FROM docker.io/library/alpine:3.19
+
+#hadolint ignore=DL3018,DL3059
+RUN apk add --no-cache bash ca-certificates catatonit tzdata
+
+COPY --from=cargo /tmp/target/release/ntp-daemon /usr/local/bin/ntp-daemon
+COPY --from=cargo /tmp/target/release/ntp-ctl /usr/local/bin/ntp-ctl
+COPY --from=cargo /tmp/target/release/ntp-metrics-exporter /usr/local/bin/ntp-metrics-exporter
+RUN /usr/local/bin/ntp-daemon --help
+RUN /usr/local/bin/ntp-ctl --help
+RUN /usr/local/bin/ntp-metrics-exporter --help
+
+COPY ./apps/ntpd-rs/ntp.toml /etc/ntp.toml
+COPY ./apps/ntpd-rs/entrypoint.sh /entrypoint.sh
+
+USER nobody:nogroup
+WORKDIR /config
+VOLUME ["/config"]
+
+ENTRYPOINT ["/usr/bin/catatonit", "--"]
+CMD ["/entrypoint.sh"]

apps/ntpd-rs/ci/goss.yaml

@@ -0,0 +1,11 @@
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/goss-org/goss/master/docs/schema.yaml
+file:
+  /usr/local/bin/ntp-daemon:
+    exists: true
+  /usr/local/bin/ntp-ctl:
+    exists: true
+  /usr/local/bin/ntp-metrics-exporter:
+    exists: true
+  /etc/ntp.toml:
+    exists: true

apps/ntpd-rs/ci/latest.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+version=$(curl -sX GET "https://api.github.com/repos/pendulum-project/ntpd-rs/releases/latest" | jq --raw-output '.tag_name' 2>/dev/null)
+version="${version#*v}"
+version="${version#*release-}"
+printf "%s" "${version}"

apps/ntpd-rs/entrypoint.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+if [[ ! -f "/config/ntp.toml" ]]; then
+    printf "Copying over default configuration ...\n"
+    cp /etc/ntp.toml /config/ntp.toml
+fi
+
+#shellcheck disable=SC2086
+exec \
+    /usr/local/bin/ntp-daemon \
+        --config /config/ntp.toml

apps/ntpd-rs/metadata.yaml

@@ -0,0 +1,9 @@
+---
+app: ntpd-rs
+channels:
+  - name: stable
+    platforms: ["linux/amd64", "linux/arm64"]
+    stable: true
+    tests:
+      enabled: true
+      type: cli

apps/ntpd-rs/ntp.toml

@@ -0,0 +1,2 @@
+[[server]]
+listen = "0.0.0.0:123"