Drop Ubuntu 18.04, add Ubuntu 24.04

.buildkite/pipeline.yml

@@ -190,9 +190,9 @@ steps:
           setup:
             - "alpine"
             - "alpine-k8s"
-            - "ubuntu-18.04"
             - "ubuntu-20.04"
             - "ubuntu-22.04"
+            - "ubuntu-24.04"
             - "sidecar"
 
   - group: ":docker: Docker Image Tests"
@@ -216,9 +216,9 @@ steps:
             variant:
               - alpine
               - alpine-k8s
-              - ubuntu-18.04
               - ubuntu-20.04
               - ubuntu-22.04
+              - ubuntu-24.04
               - sidecar
 
       - name: ":docker: {{matrix.variant}} arm64 image test"
@@ -240,9 +240,9 @@ steps:
             variant:
               - alpine
               - alpine-k8s
-              - ubuntu-18.04
               - ubuntu-20.04
               - ubuntu-22.04
+              - ubuntu-24.04
               - sidecar
 
   - name: ":debian: Debian package build"

.buildkite/steps/build-docker-image.sh

@@ -4,7 +4,7 @@ set -Eeufo pipefail
 
 ## This script can be run locally like this:
 ##
-## .buildkite/steps/build-docker-image.sh (alpine|alpine-k8s|ubuntu-18.04|ubuntu-20.04|ubuntu-22.04|sidecar) (image tag) (codename) (version)
+## .buildkite/steps/build-docker-image.sh (alpine|alpine-k8s|ubuntu-20.04|ubuntu-22.04|ubuntu-24.04|sidecar) (image tag) (codename) (version)
 ## e.g: .buildkite/steps/build-docker-image.sh alpine buildkiteci/agent:lox-manual-build stable 3.1.1
 ##
 ## You can then publish that image with
@@ -21,7 +21,7 @@ codename="${3:-}"
 version="${4:-}"
 push="${PUSH_IMAGE:-true}"
 
-if [[ ! "$variant" =~ ^(alpine|alpine-k8s|ubuntu-18\.04|ubuntu-20\.04|ubuntu-22\.04|sidecar)$ ]]; then
+if [[ ! "$variant" =~ ^(alpine|alpine-k8s|ubuntu-20\.04|ubuntu-22\.04|ubuntu-24\.04|sidecar)$ ]]; then
   echo "Unknown docker variant $variant"
   exit 1
 fi

.buildkite/steps/extract-agent-version-metadata.sh

@@ -9,9 +9,9 @@ full_agent_version="buildkite-agent version ${agent_version}, build ${build_vers
 registry="445615400570.dkr.ecr.us-east-1.amazonaws.com/agent"
 docker_alpine_image_tag="$registry:alpine-build-${BUILDKITE_BUILD_NUMBER}"
 docker_alpine_k8s_image_tag="$registry:alpine-k8s-build-${BUILDKITE_BUILD_NUMBER}"
-docker_ubuntu_bionic_image_tag="$registry:ubuntu-18.04-build-${BUILDKITE_BUILD_NUMBER}"
 docker_ubuntu_focal_image_tag="$registry:ubuntu-20.04-build-${BUILDKITE_BUILD_NUMBER}"
 docker_ubuntu_jammy_image_tag="$registry:ubuntu-22.04-build-${BUILDKITE_BUILD_NUMBER}"
+docker_ubuntu_noble_image_tag="$registry:ubuntu-24.04-build-${BUILDKITE_BUILD_NUMBER}"
 
 docker_sidecar_image_tag="$registry:sidecar-build-${BUILDKITE_BUILD_NUMBER}"
 
@@ -24,9 +24,9 @@ echo "Full agent version: $full_agent_version"
 echo "Agent version: $agent_version"
 echo "Build version: $build_version"
 echo "Docker Alpine Image Tag: $docker_alpine_image_tag"
-echo "Docker Ubuntu 18.04 Image Tag: $docker_ubuntu_bionic_image_tag"
 echo "Docker Ubuntu 20.04 Image Tag: $docker_ubuntu_focal_image_tag"
 echo "Docker Ubuntu 22.04 Image Tag: $docker_ubuntu_jammy_image_tag"
+echo "Docker Ubuntu 24.04 Image Tag: $docker_ubuntu_noble_image_tag"
 echo "Docker Sidecar Image Tag: $docker_sidecar_image_tag"
 echo "Is prerelease? $is_prerelease"
 
@@ -35,8 +35,8 @@ buildkite-agent meta-data set "agent-version-full" "$full_agent_version"
 buildkite-agent meta-data set "agent-version-build" "$build_version"
 buildkite-agent meta-data set "agent-docker-image-alpine" "$docker_alpine_image_tag"
 buildkite-agent meta-data set "agent-docker-image-alpine-k8s" "$docker_alpine_k8s_image_tag"
-buildkite-agent meta-data set "agent-docker-image-ubuntu-18.04" "$docker_ubuntu_bionic_image_tag"
 buildkite-agent meta-data set "agent-docker-image-ubuntu-20.04" "$docker_ubuntu_focal_image_tag"
 buildkite-agent meta-data set "agent-docker-image-ubuntu-22.04" "$docker_ubuntu_jammy_image_tag"
+buildkite-agent meta-data set "agent-docker-image-ubuntu-24.04" "$docker_ubuntu_noble_image_tag"
 buildkite-agent meta-data set "agent-docker-image-sidecar" "$docker_sidecar_image_tag"
 buildkite-agent meta-data set "agent-is-prerelease" "$is_prerelease"

.buildkite/steps/publish-docker-images.sh

@@ -62,7 +62,7 @@ esac
 version="$(buildkite-agent meta-data get "agent-version")"
 build="$(buildkite-agent meta-data get "agent-version-build")"
 
-for variant in "alpine" "alpine-k8s" "ubuntu-18.04" "ubuntu-20.04" "ubuntu-22.04" "sidecar" ; do
+for variant in "alpine" "alpine-k8s" "ubuntu-20.04" "ubuntu-22.04" "ubuntu-24.04" "sidecar" ; do
   echo "--- Getting docker image tag for $variant from build meta data"
   source_image="$(buildkite-agent meta-data get "agent-docker-image-${variant}")"
   echo "Docker Image Tag for ${variant}: ${source_image}"

.buildkite/steps/upload-release-steps.sh

@@ -29,9 +29,9 @@ trigger_step() {
         agent-version-full:  "${full_agent_version}"
         agent-docker-image-alpine: "${agent_docker_image_alpine}"
         'agent-docker-image-alpine-k8s': "${agent_docker_image_alpine_k8s}"
-        'agent-docker-image-ubuntu-18.04': "${agent_docker_image_ubuntu_bionic}"
         'agent-docker-image-ubuntu-20.04': "${agent_docker_image_ubuntu_focal}"
         'agent-docker-image-ubuntu-22.04': "${agent_docker_image_ubuntu_jammy}"
+        'agent-docker-image-ubuntu-24.04': "${agent_docker_image_ubuntu_noble}"
         agent-docker-image-sidecar: "${agent_docker_image_sidecar}"
         agent-is-prerelease: "${agent_is_prerelease}"
       env:
@@ -76,9 +76,10 @@ build_version=$(buildkite-agent meta-data get "agent-version-build")
 full_agent_version=$(buildkite-agent meta-data get "agent-version-full")
 agent_docker_image_alpine=$(buildkite-agent meta-data get "agent-docker-image-alpine")
 agent_docker_image_alpine_k8s=$(buildkite-agent meta-data get "agent-docker-image-alpine-k8s")
-agent_docker_image_ubuntu_bionic=$(buildkite-agent meta-data get "agent-docker-image-ubuntu-18.04")
 agent_docker_image_ubuntu_focal=$(buildkite-agent meta-data get "agent-docker-image-ubuntu-20.04")
 agent_docker_image_ubuntu_jammy=$(buildkite-agent meta-data get "agent-docker-image-ubuntu-22.04")
+agent_docker_image_ubuntu_noble=$(buildkite-agent meta-data get "agent-docker-image-ubuntu-24.04")
+
 agent_docker_image_sidecar=$(buildkite-agent meta-data get "agent-docker-image-sidecar")
 agent_is_prerelease=$(buildkite-agent meta-data get "agent-is-prerelease")
 

.github/dependabot.yml

@@ -5,9 +5,9 @@ updates:
       - /packaging/docker/alpine
       - /packaging/docker/alpine-k8s
       - /packaging/docker/sidecar
-      - /packaging/docker/ubuntu-18.04
       - /packaging/docker/ubuntu-20.04
       - /packaging/docker/ubuntu-22.04
+      - /packaging/docker/ubuntu-24.04
     schedule:
       interval: weekly
     ignore:

README.md

@@ -68,9 +68,9 @@ For example, agent version 3.45.6 is published as:
 #### Supported operating systems
 
 - Alpine 3.18
-- Ubuntu 18.04 LTS (x86_64), supported to end of standard support for 18.04
 - Ubuntu 20.04 LTS (x86_64), supported to end of standard support for 20.04
 - Ubuntu 22.04 LTS (x86_64), supported to end of standard support for 22.04
+- Ubuntu 24.04 LTS (x86_64), supported to end of standard support for 24.04
 
 ## Starting
 
@@ -172,7 +172,7 @@ release).
 The agent binary is fairly portable and should run out of the box on most UNIX
 like systems, as well as Windows.
 
-- Ubuntu 18.04 and newer
+- Ubuntu 20.04 and newer
 - Debian 8 and newer
 - Red Hat RHEL 7 and newer
 - CentOS

packaging/docker/ubuntu-20.04/Dockerfile

@@ -5,41 +5,59 @@ FROM public.ecr.aws/ubuntu/ubuntu:20.04@sha256:4a885c102bc7de9ff2ffc4b11b65f35e4
 ARG TARGETOS
 ARG TARGETARCH
 
-ENV DEBIAN_FRONTEND=noninteractive
-ENV DOCKER_COMPOSE_VERSION=1.27.4
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    apt-transport-https \
-    bash \
-    ca-certificates \
-    curl \
-    git \
-    gnupg-agent \
-    jq \
-    openssh-client \
-    perl \
-    python \
-    python3-pip \
-    rsync \
-    software-properties-common \
-    tini \
-    && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - \
-    && add-apt-repository \
-    "deb [arch=$TARGETARCH] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" \
-    && apt-get update \
-    && apt-get install -y --no-install-recommends docker-ce-cli docker-compose-plugin docker-buildx-plugin \
-    && rm -rf /var/lib/apt/lists/* \
-    && pip3 install docker-compose==$DOCKER_COMPOSE_VERSION
+RUN <<BASH
+#!/usr/bin/env bash
 
-ENV BUILDKITE_AGENT_CONFIG=/buildkite/buildkite-agent.cfg \
-    PATH="/usr/local/bin:${PATH}"
+set -eufo pipefail
+
+export DEBIAN_FRONTEND=noninteractive
+
+# Install main packages
+apt-get update
+apt-get install -y --no-install-recommends \
+  apt-transport-https \
+  bash \
+  ca-certificates \
+  curl \
+  git \
+  gnupg-agent \
+  jq \
+  openssh-client \
+  perl \
+  python3 \
+  python3-pip \
+  rsync \
+  software-properties-common \
+  tini
+
+# Install Docker Engine
+install -m 0755 -d /etc/apt/keyrings
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+chmod a+r /etc/apt/keyrings/docker.asc
+echo \
+    "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+    tee /etc/apt/sources.list.d/docker.list > /dev/null
 
-RUN ln -s /usr/bin/tini /usr/sbin/tini
+# We just updated the main sources. This only updates the docker source
+apt-get update -o Dir::Etc::sourcelist="sources.list.d/docker.list" \
+    -o Dir::Etc::sourceparts="-" \
+    -o APT::Get::List-Cleanup="0"
+apt-get install -y --no-install-recommends docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
 
-RUN mkdir -p /buildkite/builds /buildkite/hooks /buildkite/plugins \
-    && curl -Lfs -o /usr/local/bin/ssh-env-config.sh https://raw.githubusercontent.com/buildkite/docker-ssh-env-config/master/ssh-env-config.sh \
-    && chmod +x /usr/local/bin/ssh-env-config.sh
+rm -rf /var/lib/apt/lists/*
+
+ln -s /usr/bin/tini /usr/sbin/tini
+
+mkdir -p /buildkite/builds /buildkite/hooks /buildkite/plugins
+curl -Lfs -o /usr/local/bin/ssh-env-config.sh https://raw.githubusercontent.com/buildkite/docker-ssh-env-config/master/ssh-env-config.sh
+chmod +x /usr/local/bin/ssh-env-config.sh
+BASH
+
+ENV BUILDKITE_AGENT_CONFIG=/buildkite/buildkite-agent.cfg \
+    PATH="/usr/local/bin:${PATH}"
 
+COPY ./docker-compose /usr/local/bin/docker-compose
 COPY ./buildkite-agent.cfg /buildkite/buildkite-agent.cfg
 COPY ./buildkite-agent-$TARGETOS-$TARGETARCH /usr/local/bin/buildkite-agent
 COPY ./entrypoint.sh /usr/local/bin/buildkite-agent-entrypoint

packaging/docker/ubuntu-22.04/Dockerfile

@@ -12,6 +12,7 @@ set -eufo pipefail
 
 export DEBIAN_FRONTEND=noninteractive
 
+# Install main packages
 apt-get update
 apt-get install -y --no-install-recommends \
   apt-transport-https \
@@ -29,10 +30,21 @@ apt-get install -y --no-install-recommends \
   software-properties-common \
   tini
 
-curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
-add-apt-repository "deb [arch=$TARGETARCH] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
-apt-get update
-apt-get install -y --no-install-recommends docker-ce-cli docker-compose-plugin docker-buildx-plugin
+# Install Docker Engine
+install -m 0755 -d /etc/apt/keyrings
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+chmod a+r /etc/apt/keyrings/docker.asc
+echo \
+    "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+    tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+# We just updated the main sources. This only updates the docker source
+apt-get update -o Dir::Etc::sourcelist="sources.list.d/docker.list" \
+    -o Dir::Etc::sourceparts="-" \
+    -o APT::Get::List-Cleanup="0"
+apt-get install -y --no-install-recommends docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
 rm -rf /var/lib/apt/lists/*
 
 ln -s /usr/bin/tini /usr/sbin/tini
@@ -43,7 +55,7 @@ chmod +x /usr/local/bin/ssh-env-config.sh
 BASH
 
 ENV BUILDKITE_AGENT_CONFIG=/buildkite/buildkite-agent.cfg \
-  PATH="/usr/local/bin:${PATH}"
+    PATH="/usr/local/bin:${PATH}"
 
 COPY ./docker-compose /usr/local/bin/docker-compose
 COPY ./buildkite-agent.cfg /buildkite/buildkite-agent.cfg

packaging/docker/ubuntu-24.04/Dockerfile

@@ -0,0 +1,67 @@
+# syntax=docker/dockerfile:1.4
+
+FROM public.ecr.aws/ubuntu/ubuntu:24.04@sha256:fb95efe0d22be277f10250f15e5172ec0fe22c37eca2ba55e78b526c447eec23
+
+ARG TARGETOS
+ARG TARGETARCH
+
+RUN <<BASH
+#!/usr/bin/env bash
+
+set -eufo pipefail
+
+export DEBIAN_FRONTEND=noninteractive
+
+# Install main packages
+apt-get update
+apt-get install -y --no-install-recommends \
+  apt-transport-https \
+  bash \
+  ca-certificates \
+  curl \
+  git \
+  gnupg-agent \
+  jq \
+  openssh-client \
+  perl \
+  python3 \
+  python3-pip \
+  rsync \
+  software-properties-common \
+  tini
+
+# Install Docker Engine
+install -m 0755 -d /etc/apt/keyrings
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+chmod a+r /etc/apt/keyrings/docker.asc
+echo \
+    "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+    $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+    tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+# We just updated the main sources. This only updates the docker source
+apt-get update -o Dir::Etc::sourcelist="sources.list.d/docker.list" \
+    -o Dir::Etc::sourceparts="-" \
+    -o APT::Get::List-Cleanup="0"
+apt-get install -y --no-install-recommends docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+rm -rf /var/lib/apt/lists/*
+
+ln -s /usr/bin/tini /usr/sbin/tini
+
+mkdir -p /buildkite/builds /buildkite/hooks /buildkite/plugins
+curl -Lfs -o /usr/local/bin/ssh-env-config.sh https://raw.githubusercontent.com/buildkite/docker-ssh-env-config/master/ssh-env-config.sh
+chmod +x /usr/local/bin/ssh-env-config.sh
+BASH
+
+ENV BUILDKITE_AGENT_CONFIG=/buildkite/buildkite-agent.cfg \
+    PATH="/usr/local/bin:${PATH}"
+
+COPY ./docker-compose /usr/local/bin/docker-compose
+COPY ./buildkite-agent.cfg /buildkite/buildkite-agent.cfg
+COPY ./buildkite-agent-$TARGETOS-$TARGETARCH /usr/local/bin/buildkite-agent
+COPY ./entrypoint.sh /usr/local/bin/buildkite-agent-entrypoint
+
+VOLUME /buildkite
+ENTRYPOINT ["buildkite-agent-entrypoint"]
+CMD ["start"]