Questions tagged [orchestration]

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14 votes
7 answers
2k views

Why should a developer care about Docker?

Generally a developer cares about satisfying business requirements. He / she might have the expertise in a particular stack or a framework. But should he / she make an effort to learn docker and it's ...
Abhay Pai's user avatar
  • 303
14 votes
2 answers
616 views

Combine Docker Swarm and Kubernetes

My company is trying to play a little catch-up in the DevOps space. I have been doing a lot of research on containerization of applications and the orchestration systems that go with it. I came across ...
EvanM's user avatar
  • 248
14 votes
1 answer
922 views

Which problems does a container orchestration solve?

Every company who has anything to do with containers these days, including public cloud providers, is creating their own solution for container orchestration. These include: Kubernetes Docker Swarm ...
Evgeny Zislis's user avatar
6 votes
1 answer
23k views

ansible error: skipping: no hosts matched

I've tried a few variations on running ansible locally as a test case: nicholas $ nicholas $ ls ansible.cfg ansible.cfg.orig first_playbook.yml inventory.txt playbook.yml nicholas $ nicholas $ ...
Nicholas Saunders's user avatar
6 votes
1 answer
321 views

Implications of introducing Docker to the development team

We always tend to have a moral implications of certain critical decisions taken for development irrespective of the realisation if the decision is critical or not. Say for example switching an entire ...
Abhay Pai's user avatar
  • 303
5 votes
3 answers
268 views

What is the recommended way to monitor differences between multiple Kubernetes namespaces/clusters?

Given a Kubernetes cluster with two namespaces; what is the recommended way to monitor and sync differences in configmaps, deployments, ingresses etc. between the namespaces?
user3233089's user avatar
5 votes
1 answer
195 views

Defined start sequence of containers

AFAIK you cannot influence the order how Docker Swarm starts containers for services. Is that possible with: Mesos? K8s (Kubernetes)? Rancher? Other? This question is not about specific ...
Ta Mu's user avatar
  • 6,810
3 votes
2 answers
134 views

How to install a private managed Kubernetes on-premise?

Where do you start in case you need something like a managed Kubernetes solution to setup a multi-tenant orchestration solution on-premises? Any entity with its own container infrastructure has an ...
Ta Mu's user avatar
  • 6,810
3 votes
2 answers
318 views

What are Deis Workflow Alternatives?

We're looking to build an internal Heroku-like PaaS that supports clustering and a DFS. We found Deis Workflow that seems to do exactly what we're looking for, but the project has since been ...
Ryan's user avatar
  • 131
2 votes
1 answer
142 views

Two server failover in nomad

I am just learning about orchestrators and it's my first time using any orchestrator (Nomad in this case). Our software (video stream processing related) is installed on user premises, currently we ...
Pawan's user avatar
  • 71
2 votes
1 answer
175 views

Pattern(s) to scale node.js based ETL

I have a node.js ETL application that transforms data from 1..n locations and from each location there will be 0..m transactions. The application is started via cron on a configurable interval, ...
300baud's user avatar
  • 131
2 votes
1 answer
193 views

Chef Provisioning for canary deployment and orchestration

I am looking for best tool that, does below jobs for deployment. Configuration: 1) Configuration of deployment node machines in specific environment 2) Configure no of service instances to be alive ...
Nitul's user avatar
  • 243
1 vote
2 answers
158 views

How does Docker container orchestration work?

I am familiarizing with the architecture and practices to package, build and deploy software or unless, small pieces of software. If suddenly I am mixing concepts with specific tools (sometimes is ...
bgarcial's user avatar
  • 117
1 vote
1 answer
4k views

How to pass parameters to a container orchestrated by Kubernetes similar to running the container at the command line using the docker run command?

Background I have a docker container that I run in the following fashion: docker run --rm my-custom-container:latest --username me --password yes --url "https://my.url" The container does what ...
Dodzi Dzakuma's user avatar
1 vote
1 answer
802 views

Container runtime Vs orchestrator

The terms container runtime and orchestrator always confuse me. Can someone please put these in simple terms? Thanks
user211383's user avatar
1 vote
1 answer
37 views

What are the cost effective ways to deploy services using Kubernetes on multiple deployment environments?

We are converting a traditional docker-compose based service stack to a Kubernetes based services Before the conversion we had three deployment environments Local : Basically this is the developer's ...
inckka's user avatar
  • 141
1 vote
2 answers
364 views

Is it possible/fine to run Prometheus, Loki, Grafana outside of Kubernetes?

In some project there are scaling and orchestration implemented using technologies of a local cloud provider, with no Docker & Kubernetes. But the project has poor logging and monitoring, I'd like ...
AivanF.'s user avatar
  • 181
0 votes
1 answer
149 views

Let docker containers work with each other

I’m new to docker and I want to dockerize a aleardy existing application. It consists of a react application (I already created a container for that one successfully), a REST-api based on node-...
Cowboy_Patrick's user avatar
0 votes
1 answer
43 views

How to deploy MySQL server repeatedly

From fifty-thousand feet, how are, for example, multiple MySQL containers handled? In the context of my limited experience, simply running the container is insufficient, with additional configuration ...
Nicholas Saunders's user avatar
0 votes
1 answer
129 views

Apache Airflow federation - observe remote dag in full detail?

We have numerous airflow instances running in different organizations/teams around the company. While we have built a highly scaleable centralized airflow service, we do have cases where we need to ...
John Humphreys's user avatar
0 votes
2 answers
85 views

Is there a good standard to follow when choosing a service mesh for your microservice application?

The industry appears to have chosen the de facto standards for containers (docker) and orchestration (kubernetes) but this doesn't appear to be the case for the options for implementing a service mesh....
Wunderbread's user avatar
0 votes
1 answer
54 views

Apache Mesos - cases pro and contra containers?

My current impression is, Apache Mesos was introduced before the LXC container technology became easily available (via Docker). So you could implement "your own Apache Mesos Java framework" for ...
Ta Mu's user avatar
  • 6,810
0 votes
0 answers
27 views

Why does k8s by design uses 3 ports for NodePort's services instead of just 2

I am seeing that to create a nodePort service using a yaml manifest there are three port parameters to enter: port, targetport and NodePort. To give an example, I have this hypothethical manifest: Now ...
Eugenio.Gastelum96's user avatar
-1 votes
2 answers
80 views

A tool to orchestrate cloud server (virtual machine) instances

Whenever I use search keywords such as "orchestration" or "server clusters" or "iaas" I'll always end up in hundreds of results that are going to talk about containers ...
Mike's user avatar
  • 99