Configure Apache services to use correct locale

Closes-Bug: #2076453
Change-Id: I6af9baf09a19a7dbcaf98585870aa44ff79398d3
Signed-off-by: Maksim Malchuk <maksim.malchuk@gmail.com>
(cherry picked from commit 2caa64df67)

docker/base/httpd_setup.sh

@@ -39,3 +39,13 @@ EOF
         /usr/libexec/httpd-ssl-gencerts
     fi
 fi
+
+# The default system locale with unicode support
+LANG=C.UTF-8
+
+# Override the default locale if configured
+if [[ "${KOLLA_BASE_DISTRO}" =~ debian|ubuntu ]]; then
+    [ -f /etc/default/locale ] && . /etc/default/locale
+else
+    [ -f /etc/locale.conf ] && . /etc/locale.conf
+fi

releasenotes/notes/configure-apache-locale-d0150e5881f00e65.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Apache services like Keystone now started with correct unicode locale.
+    Keystone under Apache on Ubuntu will fail with a UnicodeEncodeError
+    when LDAP driver and DEBUG are enabled.
+    `LP#2076453 <https://bugs.launchpad.net/kolla/+bug/2076453>`__