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https://issues.apache.org/jira/browse/FLINK-10842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707380#comment-16707380
 ] 

ASF GitHub Bot commented on FLINK-10842:
----------------------------------------

azagrebin commented on a change in pull request #7221: [FLINK-10842][E2E tests] 
fix broken waiting loops in common.sh
URL: https://github.com/apache/flink/pull/7221#discussion_r238319837
 
 

 ##########
 File path: flink-end-to-end-tests/test-scripts/common.sh
 ##########
 @@ -185,16 +186,19 @@ function set_conf_ssl {
     echo "Using SAN ${SANSTRING}"
 
     # create certificates
-    keytool -genkeypair -alias ca -keystore "${TEST_DATA_DIR}/ssl/ca.keystore" 
-dname "CN=Sample CA" -storepass password -keypass password -keyalg RSA -ext 
bc=ca:true
+    keytool -genkeypair -alias ca -keystore "${TEST_DATA_DIR}/ssl/ca.keystore" 
-dname "CN=Sample CA" -storepass password -keypass password -keyalg RSA -ext 
bc=ca:true -storetype PKCS12
     keytool -keystore "${TEST_DATA_DIR}/ssl/ca.keystore" -storepass password 
-alias ca -exportcert > "${TEST_DATA_DIR}/ssl/ca.cer"
     keytool -importcert -keystore "${TEST_DATA_DIR}/ssl/ca.truststore" -alias 
ca -storepass password -noprompt -file "${TEST_DATA_DIR}/ssl/ca.cer"
 
-    keytool -genkeypair -alias node -keystore 
"${TEST_DATA_DIR}/ssl/node.keystore" -dname "CN=${NODENAME}" -ext 
SAN=${SANSTRING} -storepass password -keypass password -keyalg RSA
+    keytool -genkeypair -alias node -keystore 
"${TEST_DATA_DIR}/ssl/node.keystore" -dname "CN=${NODENAME}" -ext 
SAN=${SANSTRING} -storepass password -keypass password -keyalg RSA -storetype 
PKCS12
     keytool -certreq -keystore "${TEST_DATA_DIR}/ssl/node.keystore" -storepass 
password -alias node -file "${TEST_DATA_DIR}/ssl/node.csr"
     keytool -gencert -keystore "${TEST_DATA_DIR}/ssl/ca.keystore" -storepass 
password -alias ca -ext SAN=${SANSTRING} -infile 
"${TEST_DATA_DIR}/ssl/node.csr" -outfile "${TEST_DATA_DIR}/ssl/node.cer"
     keytool -importcert -keystore "${TEST_DATA_DIR}/ssl/node.keystore" 
-storepass password -file "${TEST_DATA_DIR}/ssl/ca.cer" -alias ca -noprompt
     keytool -importcert -keystore "${TEST_DATA_DIR}/ssl/node.keystore" 
-storepass password -file "${TEST_DATA_DIR}/ssl/node.cer" -alias node -noprompt
 
+    # keystore is converted into a pem format to use it as node.pem with curl 
in Flink REST API queries, see also $CURL_SSL_ARGS
+    openssl pkcs12 -passin pass:password -in 
"${TEST_DATA_DIR}/ssl/node.keystore" -out "${TEST_DATA_DIR}/ssl/node.pem" -nodes
 
 Review comment:
   `start_cluster` uses `query_running_tms` in `common.sh`.
   `query_running_tms` has to use certs in `curl` command if SSL is enabled 
(previously it was not a problem because if `"x$USE_SSL" = "xON"` was wrong and 
used http url but failed curl was ignored in broken timeout'ed waiting loop, I 
think along with cert exceptions in JM logs).
   `openssl` generates `node.pem` used with `curl` in `CURL_SSL_ARGS` to 
properly connect to SSL'ed cluster.
   `keytool` uses by default deprecated `JKS`, this fact was also logged 
previously in test run.
   From what I found for 1.7, `openssl` uses another changed non-deprecated 
protocol to generate understandable `node.pem` for `curl`.

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> Waiting loops are broken in e2e/common.sh
> -----------------------------------------
>
>                 Key: FLINK-10842
>                 URL: https://issues.apache.org/jira/browse/FLINK-10842
>             Project: Flink
>          Issue Type: Bug
>          Components: E2E Tests
>    Affects Versions: 1.7.0
>            Reporter: Andrey Zagrebin
>            Assignee: Andrey Zagrebin
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.0
>
>
> There are 3 loops in flink-end-to-end-tests/test-scripts/common.sh where the 
> script waits for some event to happen (for i in \{1..10}; do):
>  - wait_dispatcher_running
>  - start_and_wait_for_tm
>  - wait_job_running
> All loops have 10 iterations and the loop breaks if the awaited event 
> happens. If timeout occurs then the script does not fail and the function 
> just continues after 10 iterations ignoring that the awaited event did not 
> happen.



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