If I run shrink after index_settings my index settings are overwritten

[fidsamurai-crelio]

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Expected Behavior

After running index_settings to block writes to my old indices, my next action is to shrink the index which should create a new index as all the pre-shrink conditions are met.

Actual Behavior

However for some reason before shrinking the index the blocks.write setting reverts to false.

Steps to Reproduce the Problem

5:
  action: index_settings
  description: >-
    Set old indices to read-only
  options:
    disable_action: False #True
    index_settings:
      index:
        blocks:
          write: True
    continue_if_exception: False
    preserve_existing: False
    ignore_unavailable: True
  filters:
    - filtertype: alias
      aliases: <alias>
    - filtertype: age
      source: creation_date
      direction: older
      unit: days
      unit_count: 1
6:
  action: shrink
  description: >-
    Shrink old indices to 1 shard
  options:
    timeout_override: 300
    disable_action: False #True
    continue_if_exception: False
    shrink_node: DETERMINISTIC
    number_of_shards: 1
    number_of_replicas: 0
    shrink_prefix: inactive-
    shrink_suffix: null
    delete_after: False
    post_allocation:
      allocation_type: include
      key: box_type
      value: hot
    wait_for_active_shards: 1
    wait_for_completion: True
    wait_for_rebalance: False
    wait_interval: 30
    extra_settings:
      settings:
        index.blocks.write: true
  filters:
    - filtertype: alias
      aliases: <alias>
    - filtertype: age
      source: creation_date
      direction: younger
      unit: days
      unit_count: 2
    - filtertype: age
      source: creation_date
      direction: older
      unit: days
      unit_count: 1

Specifications

• Version: Curator 5.8 ES 6.2
• Platform: AWS EC2 Instance
• Subsystem: Ubuntu 16.04

Context (Environment)

As ES 6.2 doesn't support ILM we're trying to use curator for ILM.

Detailed Description

[fidsamurai-crelio]

Unable to get any resolution on discusssions either -
https://discuss.elastic.co/t/unable-to-shrink-index-using-curator/299401https://discuss.elastic.co/t/unable-to-shrink-index-using-curator/299401

[untergeek]

The ability to copy settings was added in 6.4 via a params arg. This is probably too late for your use case, but it exists and is mentioned in PR #1379 which will be added at some point. Closing in lieu of that PR.