[9.0] Restructure docker files for docker distributions (#127960)

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/DockerBase.java

@@ -14,30 +14,27 @@
  */
 public enum DockerBase {
     // "latest" here is intentional, since the image name specifies "9"
-    DEFAULT("redhat/ubi9-minimal:latest", "", "microdnf", "Dockerfile.default"),
+    DEFAULT("redhat/ubi9-minimal:latest", "", "microdnf", "dockerfiles/default/Dockerfile"),
 
     // The Iron Bank base image is UBI (albeit hardened), but we are required to parameterize the Docker build
     IRON_BANK("${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}", "-ironbank", "yum", "Dockerfile"),
 
     // Chainguard based wolfi image with latest jdk
-    // This is usually updated via renovatebot
-    // spotless:off
     WOLFI(
-        "docker.elastic.co/wolfi/chainguard-base:latest@sha256:29150cd940cc7f69407d978d5a19c86f4d9e67cf44e4d6ded787a497e8f27c9a",
+        null,
         "-wolfi",
         "apk",
-        "Dockerfile"
+        "dockerfiles/wolfi/Dockerfile"
     ),
-    // spotless:on
     // Based on WOLFI above, with more extras. We don't set a base image because
     // we programmatically extend from the wolfi image.
     CLOUD_ESS(null, "-cloud-ess", "apk", "Dockerfile.cloud-ess"),
 
     CLOUD_ESS_FIPS(
-        "docker.elastic.co/wolfi/chainguard-base-fips:sha256-ebfc3f1d7dba992231747a2e05ad1b859843e81b5e676ad342859d7cf9e425a7@sha256:ebfc3f1d7dba992231747a2e05ad1b859843e81b5e676ad342859d7cf9e425a7",
+        null,
         "-cloud-ess-fips",
         "apk",
-        "Dockerfile"
+        "dockerfiles/cloud_ess_fips/Dockerfile"
     );
 
     private final String image;

distribution/docker/build.gradle

@@ -467,8 +467,10 @@ void addBuildDockerImageTask(Architecture architecture, DockerBase base) {
 
         baseImages = [baseImage]
         buildArgs = buildArgsMap
-      } else {
+      } else if(base.image != null) {
         baseImages = [base.image]
+      } else {
+        baseImages = []
       }
 
       Provider<DockerSupportService> serviceProvider = GradleUtils.getBuildService(

distribution/docker/src/docker/dockerfiles/cloud_ess_fips/Dockerfile

@@ -0,0 +1,223 @@
+################################################################################
+# This Dockerfile was generated from the template at distribution/src/docker/Dockerfile
+#
+# Beginning of multi stage Dockerfile
+################################################################################
+
+<% /*
+  This file is passed through Groovy's SimpleTemplateEngine, so dollars and backslashes
+  have to be escaped in order for them to appear in the final Dockerfile. You
+  can also comment out blocks, like this one. See:
+
+  https://docs.groovy-lang.org/latest/html/api/groovy/text/SimpleTemplateEngine.html
+
+  We use control-flow tags in this file to conditionally render the content. The
+  layout/presentation here has been adjusted so that it looks reasonable when rendered,
+  at the slight expense of how it looks here.
+
+  Note that this file is also filtered to squash together newlines, so we can
+  add as many newlines here as necessary to improve legibility.
+*/ %>
+
+################################################################################
+# Build stage 1 `builder`:
+# Extract Elasticsearch artifact
+################################################################################
+
+FROM docker.elastic.co/wolfi/chainguard-base-fips:latest@sha256:ebfc3f1d7dba992231747a2e05ad1b859843e81b5e676ad342859d7cf9e425a7 AS builder
+
+# Install required packages to extract the Elasticsearch distribution
+RUN <%= retry.loop(package_manager, "export DEBIAN_FRONTEND=noninteractive && ${package_manager} update && ${package_manager} update && ${package_manager} add --no-cache curl") %>
+
+RUN mkdir /usr/share/elasticsearch
+WORKDIR /usr/share/elasticsearch
+
+# Fetch the appropriate Elasticsearch distribution for this architecture.
+# Keep this command on one line - it is replaced with a `COPY` during local builds.
+# It uses the `arch` shell command to fetch the correct distro for the build machine,
+# which is needed for Docker Hub builds.
+RUN curl --retry 10 -S -L --output /tmp/elasticsearch.tar.gz https://artifacts-no-kpi.elastic.co/downloads/elasticsearch/elasticsearch-${version}-linux-\$(arch).tar.gz
+
+RUN tar -zxf /tmp/elasticsearch.tar.gz --strip-components=1
+
+# The distribution includes a `config` directory, no need to create it
+COPY ${config_dir}/elasticsearch.yml config/
+COPY ${config_dir}/log4j2.properties config/log4j2.docker.properties
+
+#  1. Configure the distribution for Docker
+#  2. Create required directory
+#  3. Move the distribution's default logging config aside
+#  4. Move the generated docker logging config so that it is the default
+#  5. Reset permissions on all directories
+#  6. Reset permissions on all files
+#  7. Make CLI tools executable
+#  8. Make some directories writable. `bin` must be writable because
+#     plugins can install their own CLI utilities.
+#  9. Make some files writable
+RUN sed -i -e 's/ES_DISTRIBUTION_TYPE=tar/ES_DISTRIBUTION_TYPE=docker/' bin/elasticsearch-env && \\
+    mkdir data && \\
+    mv config/log4j2.properties config/log4j2.file.properties && \\
+    mv config/log4j2.docker.properties config/log4j2.properties && \\
+    find . -type d -exec chmod 0555 {} + && \\
+    find . -type f -exec chmod 0444 {} + && \\
+    chmod 0555 bin/* jdk/bin/* jdk/lib/jspawnhelper modules/x-pack-ml/platform/linux-*/bin/* && \\
+    chmod 0775 bin config config/jvm.options.d data logs plugins && \\
+    find config -type f -exec chmod 0664 {} +
+
+# Add plugins infrastructure
+RUN mkdir -p /opt/plugins/archive
+RUN chmod -R 0555 /opt/plugins
+
+RUN mkdir -p /fips/libs
+COPY fips/libs/*.jar /fips/libs/
+
+COPY filebeat-${version}.tar.gz metricbeat-${version}.tar.gz /tmp/
+RUN set -eux ; \\
+    for beat in filebeat metricbeat ; do \\
+      if [ ! -s /tmp/\$beat-${version}.tar.gz ]; then \\
+        echo "/tmp/\$beat-${version}.tar.gz is empty - cannot uncompress" 2>&1 ; \\
+        exit 1 ; \\
+      fi ; \\
+      if ! tar tf /tmp/\$beat-${version}.tar.gz >/dev/null; then \\
+        echo "/tmp/\$beat-${version}.tar.gz is corrupt - cannot uncompress" 2>&1 ; \\
+        exit 1 ; \\
+      fi ; \\
+      mkdir -p /opt/\$beat ; \\
+      tar xf /tmp/\$beat-${version}.tar.gz -C /opt/\$beat --strip-components=1 ; \\
+    done
+
+COPY plugins/*.zip /opt/plugins/archive/
+
+RUN chown 1000:1000 /opt/plugins/archive/*
+RUN chmod 0444 /opt/plugins/archive/*
+
+COPY fips/resources/fips_java.security /usr/share/elasticsearch/config/fips_java.security
+COPY fips/resources/fips_java.policy /usr/share/elasticsearch/config/fips_java.policy
+
+WORKDIR /usr/share/elasticsearch/config
+
+################################################################################
+# Build stage 2 (the actual Elasticsearch image):
+#
+# Copy elasticsearch from stage 1
+# Add entrypoint
+################################################################################
+
+FROM docker.elastic.co/wolfi/chainguard-base-fips:latest@sha256:ebfc3f1d7dba992231747a2e05ad1b859843e81b5e676ad342859d7cf9e425a7
+
+RUN <%= retry.loop(package_manager,
+          "export DEBIAN_FRONTEND=noninteractive && \n" +
+          "      ${package_manager} update && \n" +
+          "      ${package_manager} upgrade && \n" +
+          "      ${package_manager} add --no-cache \n" +
+          "        bash java-cacerts curl libstdc++ libsystemd netcat-openbsd p11-kit p11-kit-trust posix-libc-utils shadow tini unzip zip zstd && \n" +
+          "      rm -rf /var/cache/apk/* "
+     ) %>
+
+# Set Bash as the default shell for future commands
+SHELL ["/bin/bash", "-c"]
+
+RUN groupadd -g 1000 elasticsearch && \
+    adduser -G elasticsearch -u 1000 elasticsearch -D --home /usr/share/elasticsearch elasticsearch && \
+    adduser elasticsearch root && \
+    chown -R 0:0 /usr/share/elasticsearch
+
+ENV ELASTIC_CONTAINER=true
+
+WORKDIR /usr/share/elasticsearch
+
+COPY --from=builder --chown=0:0 /usr/share/elasticsearch /usr/share/elasticsearch
+COPY --from=builder --chown=0:0 /fips/libs/*.jar /usr/share/elasticsearch/lib/
+COPY --from=builder --chown=0:0 /opt /opt
+
+ENV ES_PLUGIN_ARCHIVE_DIR=/opt/plugins/archive
+ENV PATH=/usr/share/elasticsearch/bin:\$PATH
+ENV SHELL=/bin/bash
+COPY ${bin_dir}/docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+
+# 1. Sync the user and group permissions of /etc/passwd
+# 2. Set correct permissions of the entrypoint
+# 3. Ensure that there are no files with setuid or setgid, in order to mitigate "stackclash" attacks.
+#    We've already run this in previous layers so it ought to be a no-op.
+# 4. Replace OpenJDK's built-in CA certificate keystore with the one from the OS
+#    vendor. The latter is superior in several ways.
+#    REF: https://github.com/elastic/elasticsearch-docker/issues/171
+# 5. Tighten up permissions on the ES home dir (the permissions of the contents are handled earlier)
+# 6. You can't install plugins that include configuration when running as `elasticsearch` and the `config`
+#    dir is owned by `root`, because the installed tries to manipulate the permissions on the plugin's
+#    config directory.
+RUN chmod g=u /etc/passwd && \\
+    chmod 0555 /usr/local/bin/docker-entrypoint.sh && \\
+    find / -xdev -perm -4000 -exec chmod ug-s {} + && \\
+    chmod 0775 /usr/share/elasticsearch && \\
+    chown elasticsearch bin config config/jvm.options.d data logs plugins
+
+RUN ln -sf /etc/ssl/certs/java/cacerts /usr/share/elasticsearch/jdk/lib/security/cacerts
+
+# Convert cacerts (PKCS12) to BCFKS format using POSIX-compatible shell syntax
+RUN printf "\\n" | jdk/bin/keytool -importkeystore \
+  -srckeystore /usr/share/elasticsearch/jdk/lib/security/cacerts \
+  -srcstoretype PKCS12 \
+  -destkeystore config/cacerts.bcfks \
+  -deststorepass passwordcacert \
+  -deststoretype BCFKS \
+  -providerclass org.bouncycastle.jcajce.provider.BouncyCastleFipsProvider \
+  -providerpath lib/bc-fips-1.0.2.5.jar \
+  -destprovidername BCFIPS
+
+
+## Add fips specific JVM options
+RUN cat <<EOF > /usr/share/elasticsearch/config/jvm.options.d/fips.options
+-Djavax.net.ssl.keyStoreType=BCFKS
+-Dorg.bouncycastle.fips.approved_only=true
+-Djava.security.properties=config/fips_java.security
+-Djava.security.policy=config/fips_java.policy
+-Djavax.net.ssl.trustStore=config/cacerts.bcfks
+-Djavax.net.ssl.trustStorePassword=passwordcacert
+EOF
+
+EXPOSE 9200 9300
+
+LABEL org.label-schema.build-date="${build_date}" \\
+  org.label-schema.license="${license}" \\
+  org.label-schema.name="Elasticsearch" \\
+  org.label-schema.schema-version="1.0" \\
+  org.label-schema.url="https://www.elastic.co/products/elasticsearch" \\
+  org.label-schema.usage="https://www.elastic.co/guide/en/elasticsearch/reference/index.html" \\
+  org.label-schema.vcs-ref="${git_revision}" \\
+  org.label-schema.vcs-url="https://github.com/elastic/elasticsearch" \\
+  org.label-schema.vendor="Elastic" \\
+  org.label-schema.version="${version}" \\
+  org.opencontainers.image.created="${build_date}" \\
+  org.opencontainers.image.documentation="https://www.elastic.co/guide/en/elasticsearch/reference/index.html" \\
+  org.opencontainers.image.licenses="${license}" \\
+  org.opencontainers.image.revision="${git_revision}" \\
+  org.opencontainers.image.source="https://github.com/elastic/elasticsearch" \\
+  org.opencontainers.image.title="Elasticsearch" \\
+  org.opencontainers.image.url="https://www.elastic.co/products/elasticsearch" \\
+  org.opencontainers.image.vendor="Elastic" \\
+  org.opencontainers.image.version="${version}"
+
+LABEL name="Elasticsearch" \\
+  maintainer="[email protected]" \\
+  vendor="Elastic" \\
+  version="${version}" \\
+  release="1" \\
+  summary="Elasticsearch" \\
+  description="You know, for search."
+
+RUN mkdir /licenses && ln LICENSE.txt /licenses/LICENSE
+
+# Generate a stub command that will be overwritten at runtime
+RUN mkdir /app && \\
+    echo -e '#!/bin/bash\\nexec /usr/local/bin/docker-entrypoint.sh eswrapper' > /app/elasticsearch.sh && \\
+    chmod 0555 /app/elasticsearch.sh
+
+ENTRYPOINT ["/sbin/tini", "--"]
+CMD ["/app/elasticsearch.sh"]
+
+USER 1000:0
+
+################################################################################
+# End of multi-stage Dockerfile
+################################################################################