Update cudf dependency to 0.18 (#1828)

* Depend on the cuDF v0.18

Change rapids brannch-0.4 to depend on cuDF v0.18 release jars

Prepare for the for the rapids v0.4.0 release

Signed-off-by: Tim Liu <timl@nvidia.com>

* cudf 0.17-SNAPSHOT to 0.17

jenkins/Dockerfile-blossom.integration.centos7

@@ -18,7 +18,7 @@
 #
 # Arguments:
 #    CUDA_VER=10.1 or 10.2
-#    CUDF_VER=0.16, 0.17-SNAPSHOT, or 0.18-SNAPSHOT
+#    CUDF_VER=0.16, 0.17, or 0.18
 #    URM_URL=<maven repo url>
 ###
 ARG CUDA_VER=10.1

jenkins/printJarVersion.sh

@@ -24,7 +24,7 @@ function print_ver(){
     SERVER_ID=$5
 
     # Collect snapshot dependency info only in Jenkins build
-    # In dev build, print 'SNAPSHOT' tag without time stamp, e.g.: cudf-0.18-SNAPSHOT.jar
+    # In dev build, print 'SNAPSHOT' tag without time stamp, e.g.: cudf-0.18.jar
     if [[ "$VERSION" == *"-SNAPSHOT" && -n "$JENKINS_URL" ]]; then
         PREFIX=${VERSION%-SNAPSHOT}
         # List the latest SNAPSHOT jar file in the maven repo

jenkins/version-def.sh

@@ -26,7 +26,7 @@ for VAR in $OVERWRITE_PARAMS;do
 done
 IFS=$PRE_IFS
 
-CUDF_VER=${CUDF_VER:-"0.18-SNAPSHOT"}
+CUDF_VER=${CUDF_VER:-"0.18"}
 CUDA_CLASSIFIER=${CUDA_CLASSIFIER:-"cuda10-1"}
 PROJECT_VER=${PROJECT_VER:-"0.4.0-SNAPSHOT"}
 PROJECT_TEST_VER=${PROJECT_TEST_VER:-"0.4.0-SNAPSHOT"}

pom.xml

@@ -147,7 +147,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <spark.version>${spark300.version}</spark.version>
         <cuda.version>cuda10-1</cuda.version>
-        <cudf.version>0.18-SNAPSHOT</cudf.version>
+        <cudf.version>0.18</cudf.version>
         <scala.binary.version>2.12</scala.binary.version>
         <scala.version>2.12.8</scala.version>
         <orc.version>1.5.8</orc.version>