reloadRules initlialization should fail

Signed-off-by: arthur yang <[email protected]>

CHANGELOG.md

@@ -27,6 +27,7 @@ We use *breaking* word for marking changes that are not backward compatible (rel
 Since there are no consistency guarantees provided by some Object Storage providers, this PR adds a consistent lock-free way of dealing with Object Storage irrespective of the choice of object storage. In order to achieve this co-ordination, blocks are not deleted directly. Instead, blocks are marked for deletion by uploading `deletion-mark.json` file for the block that was chosen to be deleted. This file contains unix time of when the block was marked for deletion.
 
 - [#2090](https://github.com/thanos-io/thanos/issues/2090) *breaking* Downsample command: the `downsample` command has moved as the `thanos bucket` sub-command, and cannot be called via `thanos downsample` any more.
+- [#2301](https://github.com/thanos-io/thanos/pull/2301) Ruler: initlialization fails with filepath bad pattern error and rule manager update error.
 
 ## [v0.11.0](https://github.com/thanos-io/thanos/releases/tag/v0.11.0) - 2020.03.02
 

cmd/thanos/rule.go

@@ -495,6 +495,7 @@ func runRule(
 			// Initialize rules.
 			if err := reloadRules(logger, ruleFiles, ruleMgr, evalInterval, metrics); err != nil {
 				level.Error(logger).Log("msg", "initialize rules failed", "err", err)
+				return err
 			}
 			for {
 				select {