gcloud.rst
author Oleksandr Gavenko <gavenkoa@gmail.com>
Fri, 18 Dec 2020 17:46:33 +0200
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Health check.
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==============
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 Google Cloud
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==============
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Load balancer
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=============
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https://cloud.google.com/compute/docs/reference/rest/v1/urlMaps
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  URL map API.
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Health check
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============
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List health checks::
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  gcloud compute health-checks list --format=yaml
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In order for LB to function you need to define health checks. They run outside of intranet so
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firewall rules have to be applied to VMs for checks to succeed::
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  gcloud compute firewall-rules create fw-allow-health-check \
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    --network=default \
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    --action=allow \
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    --direction=ingress \
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    --source-ranges=130.211.0.0/22,35.191.0.0/16 \
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    --target-tags=allow-health-check \
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    --rules=tcp:80
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https://cloud.google.com/load-balancing/docs/health-checks
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  Creating health checks & magical subnets for FW rules.
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