workaround #1

assets/createUser.sh.in

@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 set -e
 
+echo "- container image OS:"
+grep PRETTY_NAME /etc/os-release
+
 echo "- create groups if necessary..."
 
 {{.createGroups}}
@@ -10,16 +13,27 @@ echo "- create groups if necessary..."
 # echo "-------------------------------"
 
 echo "- creating user..."
-existing_user_by_uid=`getent passwd "1000" | cut -f1 -d: || true`
-if [ -n "${existing_user_by_uid}" ]; then userdel -r "${existing_user_by_uid}"; fi
-
-existing_user_by_name=`getent passwd "{{.username}}" | cut -f1 -d: || true`
-existing_user_uid=`getent passwd "{{.username}}" | cut -f3 -d: || true`
-if [ -n "${existing_user_by_name}" ]; then find / -uid ${existing_user_uid} -exec chown -h {{.uid}} {} + || true ; find / -gid ${existing_user_uid} -exec chgrp -h {{.ugid}} {} + || true ; fi
-if [ -n "${existing_user_by_name}" ]; then userdel -r "${existing_user_by_name}"; fi
+existing_user_by_uid=`getent passwd "{{.uid}}" | cut -f1 -d: || true`
+# echo "existing_user_by_uid ({{.uid}}): ${existing_user_by_uid}"
+if [ -n "${existing_user_by_uid}" ]; then
+    echo "WARNING: host uid ({{.uid}}) exists inside container (as ${existing_user_by_uid})," \
+        && echo "         deleting it to create host user and group ({{.username}})..." \
+        && userdel -rf "${existing_user_by_uid}"; fi
+
+# existing_user_by_name=`getent passwd "{{.username}}" | cut -f1 -d: || true`
+# existing_user_uid=`getent passwd "{{.username}}" | cut -f3 -d: || true`
+# echo "existing_user_by_name:${existing_user_by_name}"
+# echo "existing_user_uid:${existing_user_uid}"
+# if [ -n "${existing_user_by_name}" ]; then find / -uid ${existing_user_uid} -exec chown -h {{.uid}} {} + || true ; find / -gid ${existing_user_uid} -exec chgrp -h {{.ugid}} {} + || true ; fi
+# if [ -n "${existing_user_by_name}" ]; then userdel -rf "${existing_user_by_name}"; fi
+
+existing_group_by_gid=`getent group "{{.ugid}}" | cut -f1 -d: || true`
+# echo "existing_group_by_gid:${existing_group_by_gid}"
+if [ -z "${existing_group_by_gid}" ]; then
+    echo "group gid: host user gid ({{.ugid}}) not found inside container," \
+        && echo "           will create host user group ({{.username}}) inside container..." \
+        && groupadd -g "{{.ugid}}" "{{.username}}"; fi
 
-# existing_group_by_gid=`getent group "1000" | cut -f1 -d: || true`
-# if [ -z "${existing_group_by_gid}" ]; then groupadd -g "{{.ugid}}" "{{.username}}"; fi
 
 useradd --no-log-init --no-create-home --uid "{{.uid}}" -s "/bin/bash" -c "{{.Name}}" -g "{{.ugid}}" -G "{{.gnames}}" -d "{{.homedir}}" "{{.username}}"
 

cmd/run.go

@@ -357,8 +357,8 @@ group_exists=0
 echo "    . check gid {{.outside_gid}} is valid..."
 inside_gid_bygid=$(getent group "{{.outside_gid}}" | cut -f3 -d: || true)
 inside_gid_bygname=$(getent group "{{.outside_gname}}" | cut -f3 -d: || true)
-# echo "      inside_gid_bygid:${inside_gid_bygid}"
-# echo "      inside_gid_bygname:${inside_gid_bygname}"
+# echo "      inside_gid_bygid: ${inside_gid_bygid}"
+# echo "      inside_gid_bygname: ${inside_gid_bygname}"
 
 echo -n "     - gid (by gid): "
 herewarn=0
@@ -367,7 +367,7 @@ if [ "${inside_gid_bygid}" ]; then
   if [ "${inside_gid_bygid}" != "{{.outside_gid}}" ]; then
     echo "WARNING"
     echo "      -> gid (by gid): exists inside container exists and differs from outside:"
-    echo "      -> inside_gid_bygid:${inside_gid_bygid}, outside container: {{.outside_gid}}"
+    echo "      -> inside_gid_bygid: ${inside_gid_bygid}, outside container: {{.outside_gid}}"
     warnings=1
     herewarn=1
   fi
@@ -383,7 +383,7 @@ if [ "${inside_gid_bygname}" ]; then
   if [ "${inside_gid_bygname}" != "{{.outside_gid}}" ]; then
     echo "WARNING"
     echo "      -> gid (by gname) inside container exists and differs from outside:"
-    echo "      -> inside_gid_bygname:${inside_gid_bygname}, outside container: {{.outside_gid}}"
+    echo "      -> inside_gid_bygname: ${inside_gid_bygname}, outside container: {{.outside_gid}}"
     warnings=1
     herewarn=1
   fi
@@ -396,8 +396,8 @@ fi
 echo "    . check group name {{.outside_gname}} is valid..."
 inside_gname_bygid=$(getent group "{{.outside_gid}}" | cut -f1 -d: || true)
 inside_gname_bygname=$(getent group "{{.outside_gname}}" | cut -f1 -d: || true)
-# echo "      inside_gname_bygid:${inside_gname_bygid}"
-# echo "      inside_gname_bygname:${inside_gname_bygname}"
+# echo "      inside_gname_bygid: ${inside_gname_bygid}"
+# echo "      inside_gname_bygname: ${inside_gname_bygname}"
 
 echo -n "     - groupname (by gid): "
 herewarn=0
@@ -406,7 +406,7 @@ if [ "${inside_gname_bygid}" ]; then
   if [ "${inside_gname_bygid}" != "{{.outside_gname}}" ]; then
     echo "WARNING"
     echo "      -> groupname (by gid) exists inside container exists and differs from outside:"
-    echo "      -> inside_gname_bygid:${inside_gname_bygid}, outside container: {{.outside_gname}}"
+    echo "      -> inside_gname_bygid: ${inside_gname_bygid}, outside container: {{.outside_gname}}"
     warnings=1
     herewarn=1
   fi
@@ -422,7 +422,7 @@ if [ "${inside_gname_bygname}" ]; then
   if [ "${inside_gname_bygname}" != "{{.outside_gname}}" ]; then
     echo "WARNING"
     echo "      -> groupname (by gname) exists inside container exists and differs from outside:"
-    echo "      -> inside_gname_bygname:${inside_gname_bygname}, outside container: {{.outside_gname}}"
+    echo "      -> inside_gname_bygname: ${inside_gname_bygname}, outside container: {{.outside_gname}}"
     warnings=1
     herewarn=1
   fi
@@ -444,7 +444,8 @@ else
   echo "    ---------------------------------"
   echo "    Warning: there were some issues with group {{.outside_gname}} ({{.outside_gid}}),"
   echo "    check log above but very often this does not pose a problem"
-  echo "    (if it does create an issue with the running log output above)."
+  echo "    (if it does create an issue with the running log output)."
+  echo "    https://github.com/ntorresalberto/dogi/issues"
   echo "    ---------------------------------"
   # exit 1
 fi