[bitnami/memcached] Release 1.6.19-debian-11-r13 (#30973)

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

bitnami/memcached/1/debian-11/Dockerfile

@@ -3,10 +3,10 @@ FROM docker.io/bitnami/minideb:bullseye
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-04-16T21:10:09Z" \
+      org.opencontainers.image.created="2023-04-19T22:11:38Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="1.6.19-debian-11-r12" \
+      org.opencontainers.image.ref.name="1.6.19-debian-11-r13" \
       org.opencontainers.image.title="memcached" \
       org.opencontainers.image.vendor="VMware, Inc." \
       org.opencontainers.image.version="1.6.19"
@@ -23,7 +23,6 @@ RUN install_packages ca-certificates curl libevent-2.1-7 libsasl2-2 libsasl2-mod
 RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
     COMPONENTS=( \
       "memcached-1.6.19-2-linux-${OS_ARCH}-debian-11" \
-      "gosu-1.16.0-5-linux-${OS_ARCH}-debian-11" \
     ) && \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -45,7 +44,7 @@ COPY rootfs /
 RUN /opt/bitnami/scripts/memcached/postunpack.sh
 ENV APP_VERSION="1.6.19" \
     BITNAMI_APP_NAME="memcached" \
-    PATH="/opt/bitnami/memcached/bin:/opt/bitnami/common/bin:$PATH"
+    PATH="/opt/bitnami/memcached/bin:$PATH"
 
 EXPOSE 11211
 

bitnami/memcached/1/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json

@@ -1,10 +1,4 @@
 {
-    "gosu": {
-        "arch": "amd64",
-        "distro": "debian-11",
-        "type": "NAMI",
-        "version": "1.16.0-5"
-    },
     "memcached": {
         "arch": "amd64",
         "distro": "debian-11",

bitnami/memcached/1/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/memcached/1/debian-11/rootfs/opt/bitnami/scripts/memcached/run.sh

@@ -32,7 +32,7 @@ args+=("$@")
 
 info "** Starting Memcached **"
 if am_i_root; then
-    exec gosu "$MEMCACHED_DAEMON_USER" memcached "${args[@]}"
+    exec_as_user "$MEMCACHED_DAEMON_USER" memcached "${args[@]}"
 else
     exec memcached "${args[@]}"
 fi