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Refactoring of azure obj store #3957 #3970

Merged
merged 18 commits into from
Jul 5, 2021
Merged

Refactoring of azure obj store #3957 #3970

merged 18 commits into from
Jul 5, 2021

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wiardvanrij
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@wiardvanrij wiardvanrij commented Mar 24, 2021

Signed-off-by: Wiard van Rij [email protected]

  • I added CHANGELOG entry for this change.
  • Change is not relevant to the end user.

Changes

  • Adds configuration options for the Azure Pipeline method
  • Adds configuration options for the Azure Reader method
  • Adds configuration options for the HTTP transport method
  • Adds HTTP Transport override
  • Adds MSI authentication (Cherry-pick from master: Fix parseStep bug introduced in PR #3740 (#3887) #3889)
  • Made parsing of the config strict
  • Breaks configuration by moving max_retries to it's own reader_config
  • Rewrote tests

Verification

How you tested it?
No, other than the tests included

Especially the MSI authentication part is untested.

How do you know it works?
This is tested via other users on #3957 :

@wiardvanrij ran your image all night locally with no failures.

Originally posted by @airkewld in #3957 (comment)


I hope this PR can get tested by users of Azure to confirm the working of the changes AND if this has positive impact for on, for example #3952 - relates to #3957

@wiardvanrij
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Need to check why the test fails on the cortex dep. :D

@wiardvanrij
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We use this part; https://github.com/cortexproject/cortex/blob/master/pkg/storage/bucket/azure/bucket_client.go#L10 and Cortex uses the Thanos part.
I think for this change both Cortex and Thanos need to be updated but I'm not sure on how to proceed with this.

@pracucci could you weight in here if my statement is even correct? Thank you!

@bwplotka
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bwplotka commented Apr 8, 2021

Cycling dependency problem, so:

  • Fork Cortex, fix this on your fork, push remote branch to your fork
  • Update go.mod to replace cortex dep with your fork URL and Commit SHA
  • Let's review AND merge this PR
  • Propose the change in the fork to Cortex
  • Remove replace.

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Some suggestions otherwise look good!

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@phillebaba
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Is there anything I can do to help move this along? :) Or is this dependent on changes that have to be made in Cortex?

@wiardvanrij
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Is there anything I can do to help move this along? :) Or is this dependent on changes that have to be made in Cortex?

It's currently not blocking but just needs some fixes in packages. Which eventually also requires some changes at the Cortex side. I did however not foresee the complexity at first :p

But it's good to know that people need this, so I can make it a higher prio!

@airkewld
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Glad to see this moving along. My compact pod is dying multiple times a day at this point, hopefully this will resolve the issue for me and others.
Thanks

@wiardvanrij
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@airkewld & @phillebaba see #3957 - I've build an image. But feel free to build it yourself. Wouldn't mind more testers on this feature :)

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I can probably test this as I am already running Thanos in AKS. Hopefully this will work with aad-pod-identity.

@wiardvanrij
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I can probably test this as I am already running Thanos in AKS. Hopefully this will work with aad-pod-identity.

Don't use it on production yet tho.. :D Also can we move potential discussions to the issue? Makes it a bit easier. Thanks so much btw :)

@wiardvanrij
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Cycling dependency problem, so:

  • Fork Cortex, fix this on your fork, push remote branch to your fork
  • Update go.mod to replace cortex dep with your fork URL and Commit SHA
  • Let's review AND merge this PR
  • Propose the change in the fork to Cortex
  • Remove replace.

I changed the configuration in a way that it's not breaking anymore AND it has no dependency issue anymore.
There is a technical trade-off here by implementing a configuration value that is somewhat obsolete.

We now use the max_retries config value if no specific other 'retry related' configuration is set. This means there is 0 change for those we do not use the extra added configuration options. If one sets specific retry value configurations, the max_retries config value is ignored in favor of the more specific config values.

So this resolved two things:

  • No dependency issue anymore
  • Backwards compatible

@nicolastakashi
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Hi dudes!
any prevision to release it?

}

// If we don't have config specific retry values but we do have the generic MaxRetries.
// This is part backwards compatibility but also ease of configuration
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unless I have misunderstood, do you mean

Suggested change
// This is part backwards compatibility but also ease of configuration
// This part backwards compatibility but also ease of configuration

😅

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Yes, thanks, I will make this proper English :D

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Small question about the comment 😛

bwplotka
bwplotka previously approved these changes May 6, 2021
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LGTM, 💪🏽

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@wiardvanrij
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I will update this PR as soon as this is merged: #4104 (comment)
Then I can use that generic http method 💯

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phillebaba commented May 9, 2021

@wiardvanrij had some time now to try this PR. The container is created without an issue but I am seeing authorization issues when uploading blocks from the receiver. I am using aad-pod-identity which adds additional complexities, but unless someone else has verified that this feature works I think you should hold off on merging.

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@wiardvanrij had some time now to try this PR. The container is created without an issue but I am seeing authorization issues when uploading blocks from the receiver. I am using aad-pod-identity which adds additional complexities, but unless someone else has verified that this feature works I think you should hold off on merging.

Thanks! Could you perhaps provide more information in #3957 ?

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Just small suggestions to fix the msi resource value.

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bwplotka
bwplotka previously approved these changes Jun 17, 2021
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LGTM! There are minor style nits, otherwise I would be happy to merge this.

Great work and sorry for major lag on review!

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http_config:
idle_conn_timeout: 0s
response_header_timeout: 0s
insecure_skip_verify: false

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Could tls_config be added instead of just insecure_skip_verify?
I know blob storage itself does not support it but we'd like to use a proxy (by changing the endpoint in the configuration) with mTLS for blob storage to avoid having to provide the storage account key to every cluster we monitor.
I also think it would be better to make the config as similar to Prometheus as possible for consistency and code resuse (if possible)

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@wiardvanrij wiardvanrij Jul 2, 2021

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yes and no. This is in line with all other storage options in Thanos: https://thanos.io/tip/thanos/storage.md/
There is some work being done to make these configs more logical, but for now I try to keep it aligned with how everything in Thanos works (:

edit:
We must also not confuse it on which part the TLS is for. I.e. this is for the connection towards whatever object store you have. Not to implement TLS on the component itself. Just for clarification.

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thanks for the answer, I guess the solution to this problem is to implement a custom proxy and run it as a sidecar, using https with a dummy certificate and insecure_skip_verify

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thanks for the answer, I guess the solution to this problem is to implement a custom proxy and run it as a sidecar, using https with a dummy certificate and insecure_skip_verify

Yea I understand the case, it's just that I don't feel making one specific change here. However, it would make sense to implement a generic tls_config for non-component related configs, but for 'object storage connections'. As this would/should be implemented not only for Azure Blob, but also for all the other options Thanos supports.
Perhaps you could create a new issue for this?

wiardvanrij and others added 18 commits July 5, 2021 16:36
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Co-authored-by: Philip Laine <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Co-authored-by: Philip Laine <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Co-authored-by: Philip Laine <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
Signed-off-by: Wiard van Rij <[email protected]>
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Amazing! Let's get this in and get some nice, sweet feedback.

Nice work @wiardvanrij , Mr Golang dev! (:

@amrmahdi
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amrmahdi commented Sep 3, 2021

@wiardvanrij Thanks for adding these changes!
Couple of questions:

  1. The msi_resource why is it needed? Isn't it just a concat of storage account name and the endpoint?
  2. I'm assuming this does not support user assigned managed identity, correct?

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amrmahdi commented Sep 3, 2021

@wiardvanrij Thanks for adding these changes!
Couple of questions:

  1. The msi_resource why is it needed? Isn't it just a concat of storage account name and the endpoint?
  2. I'm assuming this does not support user assigned managed identity, correct?

I think got my questions answered. I have a follow up PR to support user-assigned managed identity. #4636

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@wiardvanrij Thanks for adding these changes!
Couple of questions:

  1. The msi_resource why is it needed? Isn't it just a concat of storage account name and the endpoint?
  2. I'm assuming this does not support user assigned managed identity, correct?

I think got my questions answered. I have a follow up PR to support user-assigned managed identity. #4636

Wow thanks! Really good and thanks for helping out!

alvinlin123 pushed a commit to cortexproject/cortex that referenced this pull request Dec 13, 2021
* Introduce `http` config settings in Azure storage

Cortex v1.11.0 included thanos-io/thanos#3970, which added configuration
options to Azure's http client and transport, replacing usage of
`http.DefaultClient`. Unfortunately since Cortex was not setting this
config, Cortex implicitly switched from `http.DefaultClient` to all
empty values (e.g. `MaxIdleConns: 0` rather than 100).

Introduce `http` config settings to Azure storage. This motivated moving
`s3.HTTPConfig` into a new `pkg/storage/bucket/config` package, to allow
`azure` and `s3` to share it.

Also update the instructions for running the website to include
installing `embedmd`.

Signed-off-by: Andrew Seigner <[email protected]>

* feedback: `config.HTTP` -> `http.Config`

also back out changelog cleanup

Signed-off-by: Andrew Seigner <[email protected]>

* Back out accidental changelog addition

Signed-off-by: Andrew Seigner <[email protected]>
alvinlin123 pushed a commit to ac1214/cortex that referenced this pull request Jan 14, 2022
* Introduce `http` config settings in Azure storage

Cortex v1.11.0 included thanos-io/thanos#3970, which added configuration
options to Azure's http client and transport, replacing usage of
`http.DefaultClient`. Unfortunately since Cortex was not setting this
config, Cortex implicitly switched from `http.DefaultClient` to all
empty values (e.g. `MaxIdleConns: 0` rather than 100).

Introduce `http` config settings to Azure storage. This motivated moving
`s3.HTTPConfig` into a new `pkg/storage/bucket/config` package, to allow
`azure` and `s3` to share it.

Also update the instructions for running the website to include
installing `embedmd`.

Signed-off-by: Andrew Seigner <[email protected]>

* feedback: `config.HTTP` -> `http.Config`

also back out changelog cleanup

Signed-off-by: Andrew Seigner <[email protected]>

* Back out accidental changelog addition

Signed-off-by: Andrew Seigner <[email protected]>
Signed-off-by: Alvin Lin <[email protected]>
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8 participants