From 57a001ff7af536a3fda404ae1fe28d3eca0e0280 Mon Sep 17 00:00:00 2001
From: Frank Brehm <frank.brehm@pixelpark.com>
Date: Tue, 8 Jun 2021 12:19:32 +0200
Subject: [PATCH] Syncing content of iso image to the correct place

---
 bin/get-centos8-streams-boot | 120 +++++++++++++++++++++++++++++------
 1 file changed, 102 insertions(+), 18 deletions(-)

diff --git a/bin/get-centos8-streams-boot b/bin/get-centos8-streams-boot
index 5f86954..5d71eb5 100755
--- a/bin/get-centos8-streams-boot
+++ b/bin/get-centos8-streams-boot
@@ -8,7 +8,7 @@ DEBUG="n"
 QUIET='n'
 SIMULATE="n"
 
-VERSION="0.3.2"
+VERSION="0.3.3"
 
 BASE_NAME="$(basename ${0})"
 BASE_DIR="$(dirname ${0})"
@@ -41,6 +41,7 @@ MOUNTPOINT_ROOT="/var/tmp/centos8-stream-${ARCH}"
 MOUNTPOINT=
 IMAGE_ROOT="/var/www/cobbler/ks_mirror"
 IMAGE_DIR="${IMAGE_ROOT}/CentOS-8-Stream-${ARCH}"
+TMP_IMAGE_DIR=
 LAST_TSTAMP="0"
 LOGFILE=
 LOG_ROOTDIR="/var/log"
@@ -312,6 +313,41 @@ purge() {
 
 }
 
+#------------------------------------------------------------------------------
+RMDIR() {
+
+    if [[ "${SIMULATE}" == "y" ]] ; then
+        debug "Simulated removing of: $*"
+        return
+    fi
+    if [[ "${VERBOSE}" != "y" ]] ; then
+        rmdir "$@"
+    else
+        rmdir --verbose "$@"
+    fi
+
+}
+
+#------------------------------------------------------------------------------
+MV() {
+
+    local cmd="mv $*"
+    if [[ "${VERBOSE}" == "y" ]] ; then
+        cmd="mv --verbose $*"
+    fi
+    if [[ "${SIMULATE}" == "y" ]] ; then
+        info "Executing: ${cmd}"
+        return
+    fi
+    debug "Executing: ${cmd}"
+    if [[ "${VERBOSE}" != "y" ]] ; then
+        mv "$@"
+    else
+        mv --verbose "$@"
+    fi
+
+}
+
 #------------------------------------------------------------------------------
 MKDIR() {
 
@@ -516,6 +552,10 @@ cleanup_image() {
 
     info "Cleaning up mounts and images"
 
+    if [[ -n "${TMP_IMAGE_DIR}" && -e "${TMP_IMAGE_DIR}" ]] ; then
+        purge -r "${TMP_IMAGE_DIR}"
+    fi
+
     if [[ -n "${MOUNTPOINT}" ]] ; then
         if [[ "${HAS_MOUNTED}" == "y" ]] ; then
             umount "${MOUNTPOINT}"
@@ -617,6 +657,42 @@ mount_image() {
 
 }
 
+#------------------------------------------------------------------------------
+copy_image() {
+
+    TMP_IMAGE_DIR=$( mktemp --directory "${IMAGE_DIR}.XXXXXXXX" )
+
+    info "Syncing content of ISO image '${CYAN}${MOUNTPOINT}${NORMAL}' => '${CYAN}${TMP_IMAGE_DIR}${NORMAL}' ..."
+
+    local cmd="rsync --archive --hard-links"
+    if [[ "${VERBOSE}" == "y" ]] ; then
+        cmd+=" --verbose --progress"
+    fi
+    cmd+=" \"${MOUNTPOINT}/\" \"${TMP_IMAGE_DIR}/\""
+    if [[ "${SIMULATE}" == "y" ]] ; then
+        info "Executing: ${cmd}"
+        return 0
+    fi
+    debug "Executing: ${cmd}"
+    if eval ${cmd} 2>&1 | tee -a "${LOGFILE}" ; then
+        :
+    else
+        error "Sync was not successful"
+        return 8
+    fi
+
+    if [[ -d "${IMAGE_DIR}" ]] ; then
+        MV "${IMAGE_DIR}" "${IMAGE_DIR}.old"
+    fi
+    MV "${TMP_IMAGE_DIR}" "${IMAGE_DIR}"
+    if [[ -d "${IMAGE_DIR}.old" ]] ; then
+        RM -r "${IMAGE_DIR}.old"
+    fi
+
+    return 0
+
+}
+
 #------------------------------------------------------------------------------
 perform_mirror() {
 
@@ -628,7 +704,7 @@ perform_mirror() {
         info "Image not found on '${CYAN}${checksum_url}${NORMAL}'."
         return 1
     fi
-    # echo "Line: ${line}"
+    debug "CHECKSUM Line: ${line}"
 
     local check_method=$( echo "${line}" | sed -e "s/[ 	][ 	]*.*//" | tr '[:upper:]' '[:lower:]' )
     local base_name=$( echo "${line}" | sed -e "s/.*(//" -e "s/).*//" )
@@ -655,37 +731,45 @@ perform_mirror() {
     ISO_IMAGE=$( mktemp "${ISO_IMAGE_DIR}/${iso_base}.XXXXXXXX.iso" )
     debug "Local ISO image is '${CYAN}${ISO_IMAGE}${NORMAL}'."
 
+    local ret=0
+
     trap cleanup_image INT TERM EXIT ABRT
 
     if download_image "${image_url}" "${ISO_IMAGE}" ; then
         :
     else
+        ret=$?
         info "Download from '${CYAN}${mirror}${NORMAL}' not successful."
-        trap - INT TERM EXIT ABRT
-        cleanup_image
-        return 1
     fi
 
-    if verify_image "${ISO_IMAGE}" "${check_method}" "${checksum}" ; then
-        :
-    else
-        trap - INT TERM EXIT ABRT
-        cleanup_image
-        return 1
+    if [[ "${ret}" == 0 ]] ; then
+        if verify_image "${ISO_IMAGE}" "${check_method}" "${checksum}" ; then
+            :
+        else
+            ret=$?
+        fi
     fi
 
-    if mount_image ; then
-        :
-    else
-        trap - INT TERM EXIT ABRT
-        cleanup_image
-        return 1
+    if [[ "${ret}" == 0 ]] ; then
+        if mount_image ; then
+            :
+        else
+            ret=$?
+        fi
+    fi
+
+    if [[ "${ret}" == 0 ]] ; then
+        if copy_image ; then
+            :
+        else
+            ret=$?
+        fi
     fi
 
     trap - INT TERM EXIT ABRT
     cleanup_image
 
-    return 0
+    return ${ret}
 
 }
 
-- 
2.39.5