keith-turner closed pull request #198: Added Accumulo and Hadoop compat checks
URL: https://github.com/apache/fluo-uno/pull/198
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diff --git a/conf/uno.conf b/conf/uno.conf
index 788d29f..1595057 100644
--- a/conf/uno.conf
+++ b/conf/uno.conf
@@ -91,6 +91,29 @@ if [[ -n "$FLUO_YARN_REPO" ]]; then
export FLUO_YARN_TARBALL=fluo-yarn-$FLUO_YARN_VERSION-bin.tar.gz
fi
+# Version compatability checks
+# ----------------------------
+# Apache built Accumuo 1.x only works with Hadoop 2.x. Apache built Accumulo
+# 2.x only works with Hadoop 3.x. However if building Accumulo 1.x, it can
+# work with Hadoop 3.x. The following sanity checks fail fast when versions
+# are incompatible. If the checks cause a problem, comment them out and
+# consider submitting an issue or PR.
+
+if [[ "${HADOOP_VERSION}" = 1.* ]]; then
+ echo "ERROR from uno.conf : Hadoop 1.x is not supported"
+ exit 1
+fi
+
+if [[ -z "$ACCUMULO_REPO" && "${ACCUMULO_VERSION}" = 1.* && !
"${HADOOP_VERSION}" = 2.* ]]; then
+ echo "ERROR from uno.conf : When using Accumulo 1.x, expect Hadoop 2.x not
$HADOOP_VERSION"
+ exit 1
+fi
+
+if [[ "${ACCUMULO_VERSION}" = 2.* && ! "${HADOOP_VERSION}" = 3.* ]]; then
+ echo "ERROR from uno.conf : When using Accumulo 2.x, expect Hadoop 3.x not
$HADOOP_VERSION"
+ exit 1
+fi
+
# Installation directories
# ------------------------
# Software installation directory
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