Github user scwf commented on the pull request:
https://github.com/apache/spark/pull/1980#issuecomment-57787121
Hi, @JoshRosen, refer to http://wiki.eclipse.org/Jetty/Howto/Configure_SSL
you can generating keys and certificates by openssl or keytool
1 Generating Keys and Certificates with OpenSSL keytool use command as
follows
openssl genrsa -des3 -out spark.key
openssl req -new -x509 -key spark.key -out spark.crt
openssl pkcs12 -inkey spark.key -in spark.crt -export -out spark.pkcs12
keytool -importkeystore -srckeystore spark.pkcs12 -srcstoretype PKCS12
-destkeystore spark.keystore
2 Generating Keys and Certificates with JDK keytool use
keytool -keystore spark.keystore -alias spark -genkey -keyalg RSA
This two way both ok in my machine and here is my configs in spark
```spark-env.sh```
export SPARK_MASTER_OPTS="-Dspark.ui.https.enabled=true
-Dspark.ui.ssl.server.keystore.location=/home/wf/code/https/ssl/spark.keystore
-Dspark.ui.ssl.server.keystore.keypassword=123456
-Dspark.ui.ssl.server.keystore.password=123456"
export SPARK_WORKER_OPTS="-Dspark.ui.https.enabled=true
-Dspark.ui.ssl.server.keystore.location=/home/wf/code/https/ssl/spark.keystore
-Dspark.ui.ssl.server.keystore.keypassword=123456
-Dspark.ui.ssl.server.keystore.password=123456"
```spark-defaults.conf```
spark.ui.https.enabled true
spark.ui.ssl.server.keystore.location /home/wf/code/https/ssl/spark.keystore
spark.ui.ssl.server.keystore.keypassword 123456
spark.ui.ssl.server.keystore.password 123456
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