Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/3481#discussion_r104780260
--- Diff:
flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/LaunchableMesosWorker.java
---
@@ -262,9 +265,67 @@ public String toString() {
taskInfo.setContainer(containerInfo);
}
+ containerInfo.addAllVolumes(volumes(params.containerVolumes()));
+
return taskInfo.build();
}
+ /**
+ * Used to build volume specs for mesos. This allows for mounting
additional volumes into a container
+ *
+ * @param containerVolumes a comma delimited optional string of
[host_path:]container_path[:RO|RW] that
+ * defines mount points for a container volume.
If None or empty string, returns
+ * an empty iterator
+ */
+ public List<Protos.Volume> volumes(Option<String> containerVolumes) {
+ if (containerVolumes.isEmpty()) {
+ return new ArrayList<Protos.Volume>();
+ }
+ String[] specs = containerVolumes.get().split(",");
+ List<Protos.Volume> vols = new ArrayList<Protos.Volume>();
+ for (int i = 0; i < specs.length; i++) {
+ String s = specs[i];
+ if (s.isEmpty()) {
+ continue;
+ }
+ Protos.Volume.Builder vol = Protos.Volume.newBuilder();
+ vol.setMode(Protos.Volume.Mode.RW);
+
+ List<String> parts = Arrays.asList(s.split(":"));
+ switch (parts.size()) {
+ case 1:
+ vol.setContainerPath(parts.get(0));
+ break;
+ case 2:
+ String modeOrPath =
parts.get(1).trim().toUpperCase();
+ if (modeOrPath.equals("RW")) {
+
vol.setContainerPath(parts.get(0));
+
vol.setMode(Protos.Volume.Mode.RW);
+ } else if (modeOrPath.equals("RO")) {
+
vol.setContainerPath(parts.get(0));
+
vol.setMode(Protos.Volume.Mode.RO);
+ } else {
+
vol.setHostPath(parts.get(0)).setContainerPath(modeOrPath);
+ }
+ break;
+ case 3:
+ Protos.Volume.Mode mode =
Protos.Volume.Mode.valueOf(parts.get(2).trim().toUpperCase());
+ if (mode.equals(Protos.Volume.Mode.RW))
{
+
vol.setMode(Protos.Volume.Mode.RW);
--- End diff --
this block can be simplified to ```vol.setMode(mode)```.
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