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@ -52,7 +52,7 @@ Some things to note from here:
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## COREOS IMAGE INFORMATION:
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CoreOS webpage includes a "json" with the updated list of lattest images: [https://coreos.com/dist/aws/aws-stable.json](https://coreos.com/dist/aws/aws-stable.json)
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CoreOS webpage includes a "json" with the updated list of latest images: [https://coreos.com/dist/aws/aws-stable.json](https://coreos.com/dist/aws/aws-stable.json)
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By using "jq" you can obtain the "ami" for a specific region (change the region "-" for "_" in the following command):
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@ -283,7 +283,7 @@ A few things to note here:
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- For true HA at the master level, we need to pick a region with at least 3 availability zones. For this practical exercise, we are using "us-east-1" AWS region which contains 5 availability zones (az's for short): us-east-1a, us-east-1b, us-east-1c, us-east-1d and us-east-1e.
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- The "--master-zones=us-east-1a,us-east-1b,us-east-1c" KOPS argument will actually enforce that we want 3 masters here. "--node-count=2" only applies to the worker nodes (not the masters).
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- We are including the arguments "--node-size" and "master-size" to specify the "instance types" for both our masters and worker nodes.
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- Because we are just doing a simple LAB, we are using "t2.micro" machines. Please DONT USE t2.micro on real production systems. Start with "t2.medium" as a minimun realistic/workable machine type.
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- Because we are just doing a simple LAB, we are using "t2.micro" machines. Please DONT USE t2.micro on real production systems. Start with "t2.medium" as a minimum realistic/workable machine type.
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With those points clarified, let's deploy our cluster:
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