Create a new variable for setting the admin username

jena-fuseki/README.md

@@ -53,10 +53,10 @@ use `docker logs` with the name of your container.
 Note that the password is only generated on the first run, e.g. when the
 volume `/fuseki` is an empty directory.
 
-You can override the admin-password using the form
-`-e ADMIN_PASSWORD=pw123`:
+You can override the admin-password and/or admin-username using the form
+`-e ADMIN_USERNAME=jena_user -e ADMIN_PASSWORD=pw123`:
 
-    docker run -p 3030:3030 -e ADMIN_PASSWORD=pw123 stain/jena-fuseki
+    docker run -p 3030:3030 -e ADMIN_USERNAME=jena_user -e ADMIN_PASSWORD=pw123 stain/jena-fuseki
 
 To specify Java settings such as the amount of memory to allocate for the
 heap (default: 1200 MiB), set the `JVM_ARGS` environment with `-e`:

jena-fuseki/docker-entrypoint.sh

@@ -22,11 +22,18 @@ if [ ! -f "$FUSEKI_BASE/shiro.ini" ] ; then
   echo "Initializing Apache Jena Fuseki"
   echo ""
   cp "$FUSEKI_HOME/shiro.ini" "$FUSEKI_BASE/shiro.ini"
+  if echo -n "$ADMIN_USERNAME" | grep -qE '=' ; then
+      echo "invalid ADMIN_USERNAME '$ADMIN_USERNAME', it can not contain ="
+      unset ADMIN_USERNAME
+  fi
+  if [ -z "$ADMIN_USERNAME" ]; then
+      export ADMIN_USERNAME=admin
+  fi
   if [ -z "$ADMIN_PASSWORD" ] ; then
     ADMIN_PASSWORD=$(pwgen -s 15)
     echo "Randomly generated admin password:"
     echo ""
-    echo "admin=$ADMIN_PASSWORD"
+    echo "${ADMIN_USERNAME}=${ADMIN_PASSWORD}"
   fi
   echo ""
   echo "###################################"
@@ -39,10 +46,12 @@ fi
 # $ADMIN_PASSWORD only modifies if ${ADMIN_PASSWORD}
 # is in shiro.ini
 if [ -n "$ADMIN_PASSWORD" ] ; then
-  export ADMIN_PASSWORD
-  envsubst '${ADMIN_PASSWORD}' < "$FUSEKI_BASE/shiro.ini" > "$FUSEKI_BASE/shiro.ini.$$" && \
-    mv "$FUSEKI_BASE/shiro.ini.$$" "$FUSEKI_BASE/shiro.ini"
-  export ADMIN_PASSWORD
+    export ADMIN_USERNAME
+    export ADMIN_PASSWORD
+    envsubst '${ADMIN_USERNAME} ${ADMIN_PASSWORD}' < "$FUSEKI_BASE/shiro.ini" > "$FUSEKI_BASE/shiro.ini.$$" && \
+        mv "$FUSEKI_BASE/shiro.ini.$$" "$FUSEKI_BASE/shiro.ini"
+    export ADMIN_USERNAME
+    export ADMIN_PASSWORD
 fi
 
 # fork 
@@ -67,12 +76,13 @@ do
     dataset=$(echo $env_var | egrep -o "=.*$" | sed 's/^=//g')
     echo "Creating dataset $dataset"
     curl -s 'http://localhost:3030/$/datasets'\
-         -u admin:${ADMIN_PASSWORD}\
+         -u ${ADMIN_USERNAME}:${ADMIN_PASSWORD}\
          -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8'\
          --data "dbName=${dataset}&dbType=${TDB_VERSION}"
 done
 echo "Fuseki is available :-)"
-unset ADMIN_PASSWORD # Don't keep it in memory
+unset ADMIN_USERNAME # Don't keep it in memory
+unset ADMIN_PASSWORD
 
 # rejoin our exec
 wait

jena-fuseki/shiro.ini

@@ -27,7 +27,7 @@ iniRealm.credentialsMatcher = $plainMatcher
 # Implicitly adds "iniRealm =  org.apache.shiro.realm.text.IniRealm"
 # The admin password will be replaced by value of ADMIN_PASSWORD
 # variable by docker-entrypoint.sh on FIRST start up.
-admin=${ADMIN_PASSWORD}
+${ADMIN_USERNAME}=${ADMIN_PASSWORD}
 
 [roles]
 
@@ -37,13 +37,13 @@ admin=${ADMIN_PASSWORD}
 /$/ping   = anon
 
 ## and the rest are restricted
-/$/** = authcBasic,user[admin]
+/$/** = authcBasic,user[${ADMIN_USERNAME}]
 
 ## Sparql update is restricted
-/*/update/** = authcBasic,user[admin]
+/*/update/** = authcBasic,user[${ADMIN_USERNAME}]
 
 ## GSP update is restricted
-/*/data/** = authcBasic,user[admin]
+/*/data/** = authcBasic,user[${ADMIN_USERNAME}]
 
 
 ## If you want simple, basic authentication user/password