Questions tagged [configuration-management]

Software configuration management (SCM) is the task of tracking and controlling changes in the software deployments

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7 views

Creating empty ConfigMaps but not overwriting existing ones

I frequently have this problem when doing Kubernetes or OpenShift deployments (with or without helm, but in this question I'd like to focus on a solution involving helm): Most of our microservices ...
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1k views

Ansible configure and compile in directory

So I have have an Ansible Task that extracts a programs sourcecode zip into a certain directory and is then supposed to compile and install it. The extraction of the zip works fine, but then I need to ...
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1answer
49 views

Ansible - Variable expansion inside hostvars declaration?

I have a hardcoded hostvars line, like so: node1_hostname={{ hostvars['192.168.0.162']['node1_hostname'] }} I have a set_fact variable from a previous play that I'd like to expand in the host section ...
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52 views

Tool to produce nice output about desired vs. current state

I've been trying to stick to the "infrastructure as code" principle as much as possible in my work. But after the devops project got more complicated I started loosing the centralized ...
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1answer
142 views

Ansible dynamic inventory using AWS plugin -- how to obtain internal DNS records or private IP?

Seeking help from those who've worked with dynamic inventory in Ansible. I have Ansible set up with the aws_ec2 plugin (not using the python script as it's been too problematic). Currently, I'm only ...
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1answer
209 views

straight python alternative to ansible

Can anyone recommend an alternative to Ansible that lets one write straight Python code? In my group, we're finding that expressing pretty simple logic in Ansible ends up being too time-consuming and ...
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38 views

One Repository for Kubernetes configuration or one configuration per application repository

We are currently migrating our Services to a Kubernetes environment. My question is if the configuration yaml file for each application should be in the repository where the application source itself ...
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311 views

Ansible - merging inventories to share variables across?

Is it possible to merge inventories so I can share variables across them? Let's say I have two inventory files. Inventory A and Inventory B. They are both in a directory called inventories. Variables ...
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6k views

Artifactory vs Git for Infrastructure Version Control / Configuration Management

I'm trying to understand the difference between managing configuration files for the purposes of simplifying automated deployment. We have 5 environments to build. So far 2 have been built with no ...
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2answers
130 views

Can we use Ansible for monitoring configuration?

I understand how Ansible works and what it is used for. However, I was wondering if there is a way or feature (in open-source or enterprise edition) in Ansible using which, we can make sure that the ...
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1answer
51 views

What are the daily job duties of a devops? [duplicate]

I have been working for linux management over 10 years. In the last 5 years, I have added a lot of coding experience through software development like php, ruby, go, etc. I wanna be a devops, but I ...
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1answer
399 views

Angular config maps in kubernetes

How can I integrate a config map into my angular application in kubernetes? Any useful blogs or videos implementing this would be helpful. I found a few, but they didn't work for me.
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29 views

Common config in Kubernetes ConfigMap

Kubernetes already provides a way to manage configuration with ConfigMap. However, I have a question/problem here. If I have multiple applications with different needs deployed in Kubernetes, all ...
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1answer
69 views

Where do you store your configurations? Dockerfiles, gitlab-ci, application.properties, deploy scripts

Let´s suppose that our repository contents is something that will be shared. Is strange that we include the deploy scripts there, explaining how to deploy in our machines
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1answer
130 views

Why is developing Ansible Playbooks using Roles a best practice?

It's a best practice to develop Ansible Playbooks with reusable roles. From what I've seen, people end up putting all their roles into a single complex files anyways. So it doesn't really fix the ...
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1answer
118 views

How to properly automate CM based on log events?

Let's say I have a number of tools like Docker bench security, some static security scanners, etc. Now I have let's say free Ansible edition (no expenses are considered). I have lots of logs, but not ...
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68 views

What are sources for configuration management best practices?

I'm struggling with design for configuration management for a complex on-premise enterprise application with lots of moving parts. While it's fun and joy to go through this, there are lots of ...
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1answer
65 views

Build one time, deploy multiple times. How does this apply to configuration?

I've heard about deployment pattern which sounds like "build one time, deploy multiple times". If I manage the configuration via e.g. ansible templates or chef or any other CM tools, I don't have any ...
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3answers
2k views

How to manage 10+ team environments with Helm and Kubernetes?

I'm looking for feedback on how we can improve our team environment and staging deployment process. We currently have 10 agile teams, and set up our Kubernetes deployments through Helm as follows: ...
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2answers
4k views

Kubernetes on k3s can't resolve domains from custom dns server (fritz.box with dnsmasq)

I have a dns server running at 192.168.0.19 for custom domains like .fritz.box. Having a single node cluster on k3s, Rancher was installed using a subdomain server2.fritz.box using this command: ...
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1answer
58 views

Chef vs Ansible: will configuration be applied if connection is lost during configuration pulling/pushing?

Scenario Configuration management tools like Ansible or Chef often have a master/controlling machine and the machines they are controlling (agents). Question What if the connection between master ...
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442 views

If we are using containers do we still need to worry about configuration management at an infrastructure level?

We are about to begin our journey with containers and I am wondering if we still need to utilize something like Chef, Ansible, Terraform, etc. to ensure that our infrastructure is properly maintained? ...
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3answers
94 views

What are some clear benefits of running master/agent configuration management?

Ansible seems to have a clear advantage over competition like chef and puppet because it is agent-less and saves a certain degree of overhead. I have read several comparisons of the various ...
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3answers
78 views

What are the tools you recommend for deploying / automating / organizing vm in the private cloud

I manage a set of virtual servers in a private cloud on vSphere. In this private cloud we have several sets of servers that host several web applications such as: -Webpress web sites -Phone ...
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2answers
71 views

How do configuration management tools deal with someone messing up configuration files manually?

I'm researching a bunch of configuration management tools, like, Salt, Chef, Puppet, Ansible, etc. and am trying to understand how they deal with someone manually changing a config file on the server ...
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759 views

OpenShift configuration management

As far as I can tell, reading the OpenShift documentation, including https://github.com/openshift/training/, the officially published "standard" way to manage OpenShift configuration (about their ...
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851 views

Best practices for CI for embedded platforms (ESP32/Arduino)

Development processes for embedded software always lags behind that for web development. When looking at unit testing, automated builds and code analysis there are many limitations to popular tools. ...
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3answers
119 views

Is there a php (or composer) command to change upload_max_filesize && post_max_size from terminal?

Is there a php (or composer) terminal command to change the php.ini variables upload_max_filesize and post_max_size from terminal to some value directly from terminal, without sed or awk operations? ...
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1answer
43 views

Maximally-self-managed hosting-platforms and OS-and-above containerizators (like Vagrant)

A maximally-self-managed hosting-platform like DigitalOcean/Linode lets a customer quickly create its own VPSE (Virtual Private Server Environment) which includes a common FOSS operating system like ...
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1answer
95 views

In a modern IaaS microservice based system is Zookeeper still a useful tool?

I've used zookeeper before as a configuration management service to keep track of application settings, feature toggles etc. However, that was back in the day before microservices and AWS/Azure/GCP. ...
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1answer
574 views

How to insert a minion Powershell variable into Salt Pillar or Mine?

Say I have a Powershell script, named test.ps1, that has this: $VariableForPillar = 5 I can call it from a Salt state with - test powershell run: cmd.run: - name: 'C:\Windows\System32\...
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1answer
88 views

How do you handle the huge number of possible permutations of Dockerfiles / Teraform files?

We have adopted Docker and Terraform as the foundation forour devOps. We have a basic version of it up and running today. Dockerfiles live in each projects git repository and Terraform files are more ...
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1answer
217 views

Where are dunder dictionaries stored in salt?

I am new to Salt-Stack wanted to know where are all the dunder dictionaries stored(Ex:salt,opts,grains,beacons etc). Thanks in Advance :)
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3answers
68 views

Tool to collect developer environment parameters

I would like to start collecting parameters from local developer environments on my team, such as to see how they configure their properties files (not in source control), what directory they use as ...
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1answer
73 views

Looking for a Desired State and Configuration as Code central configuration management framework

I am looking for a central configuration management framework that supports the following scenarios: Desired State Configuration. My expectation is to express the desired configuration in code and ...
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1answer
302 views

CD (Continuous Deployment) best practices for managing configuration [duplicate]

My CD pipeline: Get docker image (created and pushed during CI stage) Copy docker-compose .yml template to target server Run the app Let's go straight to the 3rd point. I can run the app using ...
3
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1answer
70 views

Do you use existing automation code (cookbooks/playbooks/dockerfiles/etc) or you write your own from scratch?

I noticed that many cookbooks/playbooks/... are not of particularly high quality, and even if they are they rarely cover all cases. So it should be expanded with my custom logic everytime, while 90% ...
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1answer
40 views

Is there a common name for describing "spans" of versions?

I'm looking for a way to pithily define a abstract term that declares all versions that a bug effects, or that a feature behaved a certain way. For example, feature X worked way Y in versions 1.3 to ...
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3answers
172 views

How to integrate a platform as a service with configuration management tools?

Is a configuration management tool (Chef/Puppet/Ansible) necessary for managing an application on a PAAS system (Azure app service, Heroku, Elastic Beanstalk)? How would it be utilized? While a tool ...
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845 views

How are declarative distros different than Kickstart?

NixOS and GuixSD both bill themselves as "declarative" and DevOps-friendly. How and in what ways are these declarative distros different than Kickstart and/or a Linux distro managed by a configuration ...
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62 views

Handle OS and Software maintenance/updates on Hardware distributed to Customers

In the last weeks I have tried to find a solution to the following scenario assuming that someone else had similar requirements and documented his solution but all my searches were unsuccessful. So ...
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0answers
31 views

Ensure that reactor worked out and see the result of execution state in SaltStack [closed]

Is there a way to get a progress of working out of saltstack reactor in realtime via API after sending event to reactor via API request? For now, the single output which is possible to see is {"...
2
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1answer
174 views

SaltStack Reactor fails with exception

I have the next conf files for salt reactor: reactor.conf 'salt/netapi/hook/cd': /srv/reactor/dev.sls dev.sls # vim: sts=2 ts=2 sw=2 et ai {% set payload = data.get('post') %}...
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1answer
147 views

How can integration tests for micro services be written?

Writing unit and integration tests for individual micro services is part of standard development processes. However, how can these services be tested with one another? And then integrated into a CI ...
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2answers
216 views

What should I use for configuration management on AWS?

I am trying to find a solution for configuration management using AWS OpsWorks. What I can see is AWS offers three services for OpsWorks Chef Automate Puppet AWS stacks I have read basics of all ...
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1answer
54 views

how is software defined infrastructure related to devops?

I'm a new developer who is picking up python. I'm currently writing code using python's asyncio or twisted framework to automate the setup of some raspberry pi and servers I got 2nd hand (xen, hyper-v)...
7
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1answer
369 views

Does Ansible have component akin to PuppetDB?

I know Puppet from (limited) experience and have noticed that in configuration management there is now a strong trend towards Ansible. On the one hand, I understand that Ansible does not require an ...
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2answers
124 views

Docker vs CMS - related or a different thing?

I am new to DevOps and I am trying to catch the techniques and their names and meanings. I looked wikipedia explanations on Puppet (a Configuration Management System example) and that of Docker. ...
7
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1answer
168 views

How to integrate multiple "feature" react apps into monolithic PHP repo?

We have a mono-laravel-repo and are in the process of migrating to a cleaner, easier to maintain dev reboot. We have recently moved towards migrating our existing PHP based views into multiple React-...
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2answers
4k views

A comparison of idempotence and immutability

Many in the DevOps apply the cattle-not-pets mentality by implementing immutable infrastructure and redeploying when changes are needed (instead of modifying). Configuration management has a similar ...