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Terraform/OpenStack: Allow free form worker node definition #5952

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qvicksilver
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What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
Enables a free form definition of worker nodes when using Terraform/OpenStack. Currently enabling mixing of node flavors and non uniform worker node configurations. Also since it uses for_each instead of count individual nodes can easily be addressed without Terraform going haywire.
The current mode is limited to one flavor of worker nodes and comes with the drawbacks related to using count for multiplying resources.

Which issue(s) this PR fixes:

Fixes #5458

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Users wishing to switch to the free form worker node definition should read the documentation in  contrib/terraform/openstack/README.md. No action is needed for current clusters or users wishing to continue using the original mode of worker node definition.

@k8s-ci-robot k8s-ci-robot added kind/feature Categorizes issue or PR as related to a new feature. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Apr 14, 2020
@k8s-ci-robot k8s-ci-robot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Apr 14, 2020
@Miouge1 Miouge1 added this to the 2.13 milestone Apr 15, 2020
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Miouge1 commented Apr 16, 2020

/approve

Looks good to me. Any feedback on this @rguichard and @holmsten ?

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Miouge1, qvicksilver

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Apr 16, 2020
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Apr 16, 2020
@k8s-ci-robot k8s-ci-robot merged commit 065292f into kubernetes-sigs:master Apr 16, 2020
LuckySB pushed a commit to southbridgeio/kubespray that referenced this pull request Apr 18, 2020
…es-sigs#5952)

* Terraform/OpenStack: Allow free form worker node definition

* fixup! Terraform/OpenStack: Allow free form worker node definition
spaced pushed a commit to spaced/kubespray that referenced this pull request Jun 10, 2024
New Features:

NGINX 1.19.2
New configmap option enable-real-ip to enable realip_module
Use k8s.gcr.io vanity domain
Go 1.15
client-go v0.18.6
Migrate to klog v2
Changes:

 kubernetes-sigs#5887 Add force-enable-realip-module
 kubernetes-sigs#5888 Update dev-env.sh script
 kubernetes-sigs#5923 Fix error in grpcbin deployment and enable e2e test
 kubernetes-sigs#5924 Validate endpoints are ready in e2e tests
 kubernetes-sigs#5931 Add opentracing operation name settings
 kubernetes-sigs#5933 Update opentracing nginx module
 kubernetes-sigs#5946 Do not add namespace to cluster-scoped resources
 kubernetes-sigs#5951 Use env expansion to provide namespace in container args
 kubernetes-sigs#5952 Refactor shutdown e2e tests
 kubernetes-sigs#5957 bump fsnotify to v1.4.9
 kubernetes-sigs#5958 Disable enable-access-log-for-default-backend e2e test
 kubernetes-sigs#5984 Fix panic in ingress class validation
 kubernetes-sigs#5986 Migrate to klog v2
 kubernetes-sigs#5987 Fix wait times in e2e tests
 kubernetes-sigs#5990 Fix nginx command env variable reference
 kubernetes-sigs#6004 Update nginx to 1.19.2
 kubernetes-sigs#6006 Update nginx image
 kubernetes-sigs#6007 Update e2e-test-runner image
 kubernetes-sigs#6008 Rollback update of Jaeger library to 0.5.0 and update datadog to 1.2.0
 kubernetes-sigs#6014 Update go dependencies
 kubernetes-sigs#6039 Add configurable serviceMonitor metricRelabelling and targetLabels
 kubernetes-sigs#6046 Add new Dockerfile label org.opencontainers.image.revision
 kubernetes-sigs#6047 Increase wait times in e2e tests
 kubernetes-sigs#6049 Improve docs and logging for --ingress-class usage
 kubernetes-sigs#6052 Fix flaky e2e test
 kubernetes-sigs#6056 Rollback to Poll instead of PollImmediate
 kubernetes-sigs#6062 Adjust e2e timeouts
 kubernetes-sigs#6063 Remove file system paths executables
 kubernetes-sigs#6080 Use k8s.gcr.io vanity domain
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[Openstack] Make it possible to mix worker nodes flavors
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