create a common entrypoint for base and udi, fix .config ownership for podman 5 (#209)

* incorporate changes from 74af9a2

Signed-off-by: cgruver <[email protected]>

* Update base/ubi9/entrypoint.sh

---------

Signed-off-by: cgruver <[email protected]>
Co-authored-by: cgruver <[email protected]>
Co-authored-by: David Kwon <[email protected]>

Author: 3 people

base/ubi9/.stow-local-ignore

@@ -10,3 +10,6 @@
 \.krew
 \.sdkman
 \.local/bin/podman
+
+# Ignore files under .config directory
+\.config

base/ubi9/entrypoint.sh

@@ -15,6 +15,13 @@ if [ ! -d "${HOME}/.config/containers" ]; then
   fi
 fi
 
+# Create Sym Link for Composer Keys in /home/tooling/.config
+if [ -d /home/tooling/.config/composer ] && [ ! -d "${HOME}/.config/composer" ]; then
+  mkdir -p ${HOME}/.config/composer
+  ln -s /home/tooling/.config/composer/keys.dev.pub ${HOME}/.config/composer/keys.dev.pub
+  ln -s /home/tooling/.config/composer/keys.tags.pub ${HOME}/.config/composer/keys.tags.pub
+fi
+
 # Setup $PS1 for a consistent and reasonable prompt
 if [ -w "${HOME}" ] && [ ! -f "${HOME}"/.bashrc ]; then
   echo "PS1='[\u@\h \W]\$ '" > "${HOME}"/.bashrc
@@ -30,4 +37,52 @@ fi
 
 source kubedock_setup
 
+
+# Stow
+## Required for https://github.com/eclipse/che/issues/22412
+
+# /home/user/ will be mounted to by a PVC if persistUserHome is enabled
+mountpoint -q /home/user/; HOME_USER_MOUNTED=$?
+
+# This file will be created after stowing, to guard from executing stow everytime the container is started
+STOW_COMPLETE=/home/user/.stow_completed
+
+if [ $HOME_USER_MOUNTED -eq 0 ] && [ ! -f $STOW_COMPLETE ]; then
+    # There may be regular, non-symlink files in /home/user that match the
+    # pathing of files in /home/tooling. Stow will error out when it tries to
+    # stow on top of that. Instead, we can append to the current
+    # /home/tooling/.stow-local-ignore file to ignore pre-existing,
+    # non-symlinked files in /home/user that match those in /home/tooling before
+    # we run stow.
+    #
+    # Create two text files containing a sorted path-based list of files in
+    # /home/tooling and /home/user. Cut off "/home/user" and "/home/tooling" and
+    # only get the sub-paths so we can do a proper comparison
+    #
+    # In the case of /home/user, we want regular file types and not symbolic
+    # links. 
+    find /home/user -type f -xtype f -print  | sort | sed 's|/home/user||g' > /tmp/user.txt
+    find /home/tooling -print | sort | sed 's|/home/tooling||g' > /tmp/tooling.txt
+    # We compare the two files, trying to find files that exist in /home/user
+    # and /home/tooling. Being that the files that get flagged here are not
+    # already synlinks, we will want to ignore them.
+    IGNORE_FILES="$(comm -12 /tmp/user.txt /tmp/tooling.txt)"
+    # We no longer require the file lists, so remove them
+    rm /tmp/user.txt /tmp/tooling.txt
+    # For each file we need to ignore, append them to
+    # /home/tooling/.stow-local-ignore.
+    for f in $IGNORE_FILES; do echo "${f}" >> /home/tooling/.stow-local-ignore;done
+    # We are now ready to run stow
+    #
+    # Create symbolic links from /home/tooling/ -> /home/user/
+    stow . -t /home/user/ -d /home/tooling/ --no-folding -v 2 > /tmp/stow.log 2>&1
+    # Vim does not permit .viminfo to be a symbolic link for security reasons, so manually copy it
+    cp /home/tooling/.viminfo /home/user/.viminfo
+    # We have to restore bash-related files back onto /home/user/ (since they will have been overwritten by the PVC)
+    # but we don't want them to be symbolic links (so that they persist on the PVC)
+    cp /home/tooling/.bashrc /home/user/.bashrc
+    cp /home/tooling/.bash_profile /home/user/.bash_profile
+    touch $STOW_COMPLETE
+fi
+
 exec "$@"

universal/ubi9/Dockerfile

@@ -423,8 +423,6 @@ RUN chgrp -R 0 /home && chmod -R g=u /etc/passwd /etc/group /home /etc/pki
 # cleanup dnf cache
 RUN dnf -y clean all --enablerepo='*'
 
-COPY --chown=0:0 entrypoint.sh /
-
 USER 10001
 
 ENV HOME=/home/user