Questions tagged [nomad]

Nomad is a product created by HashiCorp that is able to manage a cluster of nodes and software.

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Nginx as web server and reverse proxy for Nomad cluster

I have a VPS that runs several WordPress websites. At the same time, I want to set up a tiny nomad cluster on this server. The idea is: keep wordpress domains (say, wp.com, wp2.com) "as is",...
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85 views

Load balancing prefer own subnet / availability zone first

I have 3 front end boxes that are each in their own availability zone. They all 3 run a reverse proxy server (in this case traefik). How can I keep the traffic within the AZ to avoid the inter AZ ...
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98 views

Interpolate values as integers in HLC files

I am writing the template for a parametrized HashiCorp Nomad job. One of its parameters is priority, which is supposed to be an integer between 0 and 100. Like other tools, Nomad supports variable ...
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How should I load balance large port range for high availablity?

I have a service which publishes individual services on different ports via consul and fabio. I have a pair of these fabio internal load balancers. They both have the complete set of valid open ...
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462 views

How to get Docker to retry image pull?

Our Nomad agents sometimes fails jobs because they cannot pull images from ECR. /var/log/docker will contain messages like: Not continuing with pull after error: error pulling image configuration:...
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328 views

Hashicorp's Nomad as a HTCondor alternative?

I couldn't find any info on this short of spinning up a Nomad cluster and experimenting so maybe someone here may be able to help. Saying you want to run 100 iterations of a batch java job, each with ...
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704 views

How to configure dynamic routing of gRPC requests with envoy, nomad and consul

We use nomad to deploy our applications - which provide gRPC endpoints - as tasks. The tasks are then registered to Consul, using nomad's service stanza. The routing for our applications is achieved ...
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459 views

Promoting Nomad task meta tags via consul to Prometheus

We are using Nomad to schedule tasks which are then registered in Consul from where they are picked up in Prometheus scraping. service.hcl: job "myjob" { group "mygroup" { count = "1" task ...
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476 views

Why does the Nomad agent shutdown due to a connection refused when it is started?

Running sudo nomad agent -dev results in getsockopt: connection refused: * Get http://127.0.0.1:8500/v1/agent/checks: dial tcp 127.0.0.1:8500: getsockopt: connection refused 2017/02/19 20:31:36....