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Add SSH support for rootless docker #151

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Add SSH support for rootless docker #151

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de1676b
Add recursive check to change ownership if ssh directory is present
aidanmoss Apr 16, 2025
cadd883
Add temporary userdata directory for docker rootless support
aidanmoss Apr 21, 2025
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42 changes: 42 additions & 0 deletions container-entrypoint
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,51 @@ chown_managed_dirs()
chown "$1":"$2" "$DIR"
fi
done

# SSH Directory Permissions
for DIR in /builder/.ssh /var/kas/kas_userdata.rootless; do
if [ -d "$DIR" ]; then
chown -R "$1":"$2" "$DIR"
fi
done
}

restore_managed_dirs_owner()
{
chown_managed_dirs 0 0
}

export_managed_dirs()
{

if [ -f "$1/.gitconfig" ]; then
export GITCONFIG_FILE = "$1/.gitconfig"
fi
if [ -f "$1/.aws/config" ]; then
export AWS_CONFIG_FILE = "$1/.aws/config"
fi
if [ -f "$1/.aws/credentials" ]; then
export AWS_SHARED_CREDENTIALS_FILE = "$1/.aws/credentials"
fi
if [ -f "$1/.netrc" ]; then
export NETRC_FILE = "$1/.netrc"
fi
if [ -f "$1/.npmrc" ]; then
export NPMRC_FILE = "$1/.npmrc"
fi
if [ -f "$1/.docker/config.json" ]; then
export REGISTRY_AUTH_FILE = "$1/.docker/config.json"
fi
if [ -f "$1/.aws/role" ]; then
export AWS_ROLE_ARN = "$1/.aws/role"
fi
if [ -f "$1/.aws/web-identity-token" ]; then
export AWS_WEB_IDENTITY_TOKEN_FILE = "$1/.aws/web-identity-token"
fi


}

if mount | grep -q "on / type aufs"; then
cat <<EOF >&2
WARNING: Generation of wic images will fail!
Expand Down Expand Up @@ -72,6 +110,10 @@ if [ -n "$USER_ID" ] && [ "$USER_ID" -ne 0 ] && \
# (podman option --userns=keep-id). By that, the bind mounts
# are owned by root.
sudo git config --system safe.directory /repo
TEMP_DIR=$(mkdir /var/kas/kas_userdata.rootless)
# Copy the userdata directory to a temporary location
cp -a /var/kas/userdata "$TEMP_DIR"
export_managed_dirs "$TEMP_DIR"
chown_managed_dirs "$USER_ID" "$GROUP_ID"
fi

Expand Down