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[CSI] Prevent stage_publish_base_dir from being subdir of mount_dir #19441

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merged 3 commits into from
Dec 13, 2023

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ggriffiths
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Fixes #19440

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@tgross can you take a look?

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@tgross tgross left a comment

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Hi @ggriffiths! Thanks for the PR!

In addition to addressing the comments I've posted, can you run make cl to add a changelog entry for the fix once you're done?

jobspec/parse_task.go Outdated Show resolved Hide resolved
website/content/docs/job-specification/csi_plugin.mdx Outdated Show resolved Hide resolved
@@ -7942,6 +7942,11 @@ func (t *Task) Validate(jobType string, tg *TaskGroup) error {
mErr.Errors = append(mErr.Errors, fmt.Errorf("CSIPluginConfig PluginType must be one of 'node', 'controller', or 'monolith', got: \"%s\"", t.CSIPluginConfig.Type))
}

if t.CSIPluginConfig.StagePublishBaseDir != "" && t.CSIPluginConfig.MountDir != "" &&
strings.HasPrefix(t.CSIPluginConfig.StagePublishBaseDir, t.CSIPluginConfig.MountDir) {
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@ggriffiths ggriffiths Dec 12, 2023

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I think this will handle most cases. For example, if stage_publish_base_dir=/local/csi and mount_dir=/local, then we'll error out.

However, we don't error out if stage_publish_base_dir=/csi and mount_dir=/local/csi

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This looks great @ggriffiths. Just the two minor suggestions left to accept and I think we can merge this.

.changelog/19441.txt Outdated Show resolved Hide resolved
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Sounds good. Thanks for the quick review @tgross

@ggriffiths ggriffiths requested a review from tgross December 13, 2023 19:12
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LGTM

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[CSI] Do not allow stage_publish_base_dir to be a sub-directory of mount_dir
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