[bitnami/jenkins-agent] Release 0.3107.0-debian-11-r18 (#31133)

Signed-off-by: Bitnami Containers <bitnami-bot@vmware.com>

bitnami/jenkins-agent/0/debian-11/Dockerfile

@@ -3,11 +3,12 @@ FROM docker.io/bitnami/minideb:bullseye
 ARG JAVA_EXTRA_SECURITY_DIR="/bitnami/java/extra-security"
 ARG TARGETARCH
 
-LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-04-17T16:30:36Z" \
+LABEL com.vmware.cp.artifact.flavor="sha256:109c7d51bd69bb6b3df71017440c1ea0699454f81fe188056c083f0b57c96ea6" \
+      org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
+      org.opencontainers.image.created="2023-04-20T17:27:41Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="0.3107.0-debian-11-r17" \
+      org.opencontainers.image.ref.name="0.3107.0-debian-11-r18" \
       org.opencontainers.image.title="jenkins-agent" \
       org.opencontainers.image.vendor="VMware, Inc." \
       org.opencontainers.image.version="0.3107.0"
@@ -23,8 +24,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN install_packages ca-certificates curl procps zlib1g
 RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
     COMPONENTS=( \
-      "java-11.0.18-10-4-linux-${OS_ARCH}-debian-11" \
-      "gosu-1.16.0-5-linux-${OS_ARCH}-debian-11" \
+      "java-11.0.19-7-0-linux-${OS_ARCH}-debian-11" \
       "jenkins-agent-0.3107.0-4-linux-${OS_ARCH}-debian-11" \
     ) && \
     for COMPONENT in "${COMPONENTS[@]}"; do \
@@ -46,7 +46,7 @@ RUN /opt/bitnami/scripts/jenkins-agent/postunpack.sh
 ENV APP_VERSION="0.3107.0" \
     BITNAMI_APP_NAME="jenkins-agent" \
     JAVA_HOME="/opt/bitnami/java" \
-    PATH="/opt/bitnami/java/bin:/opt/bitnami/common/bin:$PATH"
+    PATH="/opt/bitnami/java/bin:$PATH"
 
 USER 1001
 ENTRYPOINT [ "/opt/bitnami/scripts/jenkins-agent/entrypoint.sh" ]

bitnami/jenkins-agent/0/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json

@@ -1,15 +1,9 @@
 {
-    "gosu": {
-        "arch": "amd64",
-        "distro": "debian-11",
-        "type": "NAMI",
-        "version": "1.16.0-5"
-    },
     "java": {
         "arch": "amd64",
         "distro": "debian-11",
         "type": "NAMI",
-        "version": "11.0.18-10-4"
+        "version": "11.0.19-7-0"
     },
     "jenkins-agent": {
         "arch": "amd64",

bitnami/jenkins-agent/0/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh

@@ -553,3 +553,98 @@ get_root_disk_device_id() {
 get_root_disk_size() {
     fdisk -l "$(get_root_disk_device_id)" | grep 'Disk.*bytes' | sed -E 's/.*, ([0-9]+) bytes,.*/\1/' || true
 }
+
+########################
+# Run command as a specific user and group (optional)
+# Arguments:
+#   $1 - USER(:GROUP) to switch to
+#   $2..$n - command to execute
+# Returns:
+#   Exit code of the specified command
+#########################
+run_as_user() {
+    run_chroot "$@"
+}
+
+########################
+# Execute command as a specific user and group (optional),
+# replacing the current process image
+# Arguments:
+#   $1 - USER(:GROUP) to switch to
+#   $2..$n - command to execute
+# Returns:
+#   Exit code of the specified command
+#########################
+exec_as_user() {
+    run_chroot --replace-process "$@"
+}
+
+########################
+# Run a command using chroot
+# Arguments:
+#   $1 - USER(:GROUP) to switch to
+#   $2..$n - command to execute
+# Flags:
+#   -r | --replace-process - Replace the current process image (optional)
+# Returns:
+#   Exit code of the specified command
+#########################
+run_chroot() {
+    local userspec
+    local user
+    local homedir
+    local replace=false
+    local -r cwd="$(pwd)"
+
+    # Parse and validate flags
+    while [[ "$#" -gt 0 ]]; do
+        case "$1" in
+            -r | --replace-process)
+                replace=true
+                ;;
+            --)
+                shift
+                break
+                ;;
+            -*)
+                stderr_print "unrecognized flag $1"
+                return 1
+                ;;
+            *)
+                break
+                ;;
+        esac
+        shift
+    done
+
+    # Parse and validate arguments
+    if [[ "$#" -lt 2 ]]; then
+        echo "expected at least 2 arguments"
+        return 1
+    else
+        userspec=$1
+        shift
+
+        # userspec can optionally include the group, so we parse the user
+        user=$(echo "$userspec" | cut -d':' -f1)
+    fi
+
+    if ! am_i_root; then
+        error "Could not switch to '${userspec}': Operation not permitted"
+        return 1
+    fi
+
+    # Get the HOME directory for the user to switch, as chroot does
+    # not properly update this env and some scripts rely on it
+    homedir=$(eval echo "~${user}")
+    if [[ ! -d $homedir ]]; then
+        homedir="${HOME:-/}"
+    fi
+
+    # Obtaining value for "$@" indirectly in order to properly support shell parameter expansion
+    if [[ "$replace" = true ]]; then
+        exec chroot --userspec="$userspec" / bash -c "cd ${cwd}; export HOME=${homedir}; exec \"\$@\"" -- "$@"
+    else
+        chroot --userspec="$userspec" / bash -c "cd ${cwd}; export HOME=${homedir}; exec \"\$@\"" -- "$@"
+    fi
+}

bitnami/jenkins-agent/0/debian-11/rootfs/opt/bitnami/scripts/jenkins-agent/entrypoint.sh

@@ -62,7 +62,7 @@ args+=("$@")
 
 info "** Starting Jenkins Agent"
 if am_i_root; then
-    exec gosu "$JENKINS_AGENT_DAEMON_USER" java "${args[@]}"
+    exec_as_user "$JENKINS_AGENT_DAEMON_USER" java "${args[@]}"
 else
     exec java "${args[@]}"
 fi