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Differential D2807

Prevent Hauk from using swap
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Authored by dereckson on Feb 20 2023, 23:19.

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rOPS93379587e03c: Prevent Hauk from using swap

Summary

For privacy purpose, don't allow the container to use swap.
Geolocalisation will so only stored on RAM, never on disk.

Reference: https://docs.docker.com/config/containers/resource_constraints/

Test Plan

deploy container on docker-002
docker stats hauk should show /256M as memory limit
docker inspect hauk should show both values

Diff Detail

Repository

rOPS Nasqueron Operations

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Event Timeline

dereckson requested review of this revision.Feb 20 2023, 23:19

dereckson created this revision.

Harbormaster completed remote builds in B4448: Diff 7124.Feb 20 2023, 23:19

dereckson edited the test plan for this revision. (Show Details)Feb 20 2023, 23:20

dereckson added a project: privacy.

Not really the expected values:

$ salt docker-002 state.sls_id hauk roles/paas-docker/containers/hauk test=True                                                                                                (git)-[deploy]
docker-002:
----------
          ID: hauk
    Function: docker_container.running
      Result: None
     Comment: Container 'hauk' would be replaced
     Started: 23:37:19.584131
    Duration: 1290.788 ms
     Changes:
              ----------
              container:
                  ----------
                  HostConfig:
                      ----------
                      Memory:
                          ----------
                          new:
                              268435456
                          old:
                              0
                      MemorySwap:
                          ----------
                          new:
                              536870912
                          old:
                              0

Summary for docker-002
------------
Succeeded: 1 (unchanged=1, changed=1)
Failed:    0
------------
Total states run:     1
Total run time:   1.291 s

Use docker-py keys for memory

Harbormaster completed remote builds in B4450: Diff 7128.Feb 20 2023, 23:49

dereckson accepted this revision.Feb 20 2023, 23:49

This revision is now accepted and ready to land.Feb 20 2023, 23:49

Closed by commit rOPS93379587e03c: Prevent Hauk from using swap (authored by dereckson). · Explain WhyFeb 20 2023, 23:50

This revision was automatically updated to reflect the committed changes.

dereckson added a commit: rOPS93379587e03c: Prevent Hauk from using swap.

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Size

roles/

paas-docker/

containers/

5 lines

Diff 7129

roles/paas-docker/containers/hauk.sls

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