Check if Presto is running before erasing RPM

According to: http://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/iniscrptact.html when service is correctly stopped it returns 3.
trinodb · Jan 29, 2019 · d13fbf9 · d13fbf9
1 parent 5368334
commit d13fbf9
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diff --git a/presto-server-rpm/pom.xml b/presto-server-rpm/pom.xml
@@ -83,6 +83,7 @@
                             <architecture>x86_64</architecture>
                             <preInstallScriptFile>src/main/rpm/preinstall</preInstallScriptFile>
                             <postInstallScriptFile>src/main/rpm/postinstall</postInstallScriptFile>
+                            <preUninstallScriptFile>src/main/rpm/preremove</preUninstallScriptFile>
                             <postUninstallScriptFile>src/main/rpm/postremove</postUninstallScriptFile>
 
                             <dependencies>

diff --git a/presto-server-rpm/src/main/rpm/preremove b/presto-server-rpm/src/main/rpm/preremove
@@ -0,0 +1,5 @@
+/etc/init.d/presto status > /dev/null 2>&1
+if [[ $? != 3 ]]; then
+    echo "Please stop the Presto service before erasing RPM"
+    exit 1
+fi