Add support for OPENSEARCH_JAVA_HOME (opensearch-project#1603)

Signed-off-by: Andriy Redko <andriy.redko@aiven.io>

tools/audit_config_migrater.bat

@@ -1,3 +1,11 @@
 @echo off
 set SCRIPT_DIR=%~dp0
-"%JAVA_HOME%\bin\java" -cp "%SCRIPT_DIR%\..\..\opendistro_security_ssl\*;%SCRIPT_DIR%\..\deps\*;%SCRIPT_DIR%\..\*;%SCRIPT_DIR%\..\..\..\lib\*" org.opensearch.security.tools.AuditConfigMigrater %*
+
+rem comparing to empty string makes this equivalent to bash -v check on env var
+if not "%OPENSEARCH_JAVA_HOME%" == "" (
+  set BIN_PATH="%OPENSEARCH_JAVA_HOME%\bin\java.exe"
+) else (
+  set BIN_PATH="%JAVA_HOME%\bin\java.exe"
+)
+
+%BIN_PATH% -cp "%SCRIPT_DIR%\..\..\opendistro_security_ssl\*;%SCRIPT_DIR%\..\deps\*;%SCRIPT_DIR%\..\*;%SCRIPT_DIR%\..\..\..\lib\*" org.opensearch.security.tools.AuditConfigMigrater %*

tools/audit_config_migrater.sh

@@ -17,10 +17,13 @@ fi
 
 BIN_PATH="java"
 
-if [ -z "$JAVA_HOME" ]; then
-    echo "WARNING: JAVA_HOME not set, will use $(which $BIN_PATH)"
-else
+# now set the path to java: first OPENSEARCH_JAVA_HOME, then JAVA_HOME
+if [ ! -z "$OPENSEARCH_JAVA_HOME" ]; then
+    BIN_PATH="$OPENSEARCH_JAVA_HOME/bin/java"
+elif [ ! -z "$JAVA_HOME" ]; then
     BIN_PATH="$JAVA_HOME/bin/java"
+else
+    echo "WARNING: nor OPENSEARCH_JAVA_HOME nor JAVA_HOME is set, will use $(which $BIN_PATH)"
 fi
 
 "$BIN_PATH" $JAVA_OPTS -cp "$DIR/../../opendistro_security_ssl/*:$DIR/../*:$DIR/../deps/*:$DIR/../../../lib/*" org.opensearch.security.tools.AuditConfigMigrater "$@"

tools/hash.bat

@@ -1,4 +1,12 @@
 @echo off
 set SCRIPT_DIR=%~dp0
-"%JAVA_HOME%\bin\java" -cp "%SCRIPT_DIR%\..\..\opendistro_security_ssl\*;%SCRIPT_DIR%\..\deps\*;%SCRIPT_DIR%\..\*;%SCRIPT_DIR%\..\..\..\lib\*" org.opensearch.security.tools.Hasher %*
+
+rem comparing to empty string makes this equivalent to bash -v check on env var
+if not "%OPENSEARCH_JAVA_HOME%" == "" (
+  set BIN_PATH="%OPENSEARCH_JAVA_HOME%\bin\java.exe"
+) else (
+  set BIN_PATH="%JAVA_HOME%\bin\java.exe"
+)
+
+%BIN_PATH% -cp "%SCRIPT_DIR%\..\..\opendistro_security_ssl\*;%SCRIPT_DIR%\..\deps\*;%SCRIPT_DIR%\..\*;%SCRIPT_DIR%\..\..\..\lib\*" org.opensearch.security.tools.Hasher %*
 

tools/hash.sh

@@ -17,10 +17,14 @@ fi
 
 BIN_PATH="java"
 
-if [ -z "$JAVA_HOME" ]; then
-    echo "WARNING: JAVA_HOME not set, will use $(which $BIN_PATH)"
-else
+# now set the path to java: first OPENSEARCH_JAVA_HOME, then JAVA_HOME
+if [ ! -z "$OPENSEARCH_JAVA_HOME" ]; then
+    BIN_PATH="$OPENSEARCH_JAVA_HOME/bin/java"
+elif [ ! -z "$JAVA_HOME" ]; then
     BIN_PATH="$JAVA_HOME/bin/java"
+else
+    echo "WARNING: nor OPENSEARCH_JAVA_HOME nor JAVA_HOME is set, will use $(which $BIN_PATH)"
 fi
 
+
 "$BIN_PATH" $JAVA_OPTS -cp "$DIR/../../opendistro_security_ssl/*:$DIR/../*:$DIR/../deps/*:$DIR/../../../lib/*" org.opensearch.security.tools.Hasher "$@"

tools/securityadmin.bat

@@ -1,3 +1,11 @@
 @echo off
 set SCRIPT_DIR=%~dp0
-"%JAVA_HOME%\bin\java" -Dorg.apache.logging.log4j.simplelog.StatusLogger.level=OFF -cp "%SCRIPT_DIR%\..\..\opendistro_security-ssl\*;%SCRIPT_DIR%\..\deps\*;%SCRIPT_DIR%\..\*;%SCRIPT_DIR%\..\..\..\lib\*" org.opensearch.security.tools.SecurityAdmin %* 2> nul
+
+rem comparing to empty string makes this equivalent to bash -v check on env var
+if not "%OPENSEARCH_JAVA_HOME%" == "" (
+  set BIN_PATH="%OPENSEARCH_JAVA_HOME%\bin\java.exe"
+) else (
+  set BIN_PATH="%JAVA_HOME%\bin\java.exe"
+)
+
+%BIN_PATH% -Dorg.apache.logging.log4j.simplelog.StatusLogger.level=OFF -cp "%SCRIPT_DIR%\..\..\opendistro_security-ssl\*;%SCRIPT_DIR%\..\deps\*;%SCRIPT_DIR%\..\*;%SCRIPT_DIR%\..\..\..\lib\*" org.opensearch.security.tools.SecurityAdmin %* 2> nul

tools/securityadmin.sh

@@ -16,10 +16,13 @@ fi
 
 BIN_PATH="java"
 
-if [ -z "$JAVA_HOME" ]; then
-    echo "WARNING: JAVA_HOME not set, will use $(which $BIN_PATH)"
-else
+# now set the path to java: first OPENSEARCH_JAVA_HOME, then JAVA_HOME
+if [ ! -z "$OPENSEARCH_JAVA_HOME" ]; then
+    BIN_PATH="$OPENSEARCH_JAVA_HOME/bin/java"
+elif [ ! -z "$JAVA_HOME" ]; then
     BIN_PATH="$JAVA_HOME/bin/java"
+else
+    echo "WARNING: nor OPENSEARCH_JAVA_HOME nor JAVA_HOME is set, will use $(which $BIN_PATH)"
 fi
 
 "$BIN_PATH" $JAVA_OPTS -Dorg.apache.logging.log4j.simplelog.StatusLogger.level=OFF -cp "$DIR/../*:$DIR/../../../lib/*:$DIR/../deps/*" org.opensearch.security.tools.SecurityAdmin "$@" 2>/dev/null