How many micro services does it take to run your App?

Just a quick ask trying to find out how many micro services does your app need to run. That is if you are using micro services. The app am currently supporting uses about 70 different micro services. All I can say, I miss the monolith.

https://redd.it/rkb3ln
@r_devops

What's your greatest DevOps learning in 2021?

For me, this is what I learned,

Jenkins is not the only CI/CD tool
Security is getting more attention and obviously it has to
Kubernetes is winning all over
DevOps is NOT A ROLE, stop calling people DevOps Engineers
The use of AI and automation in your SDLC is so cool
Just using Git and pushing/pulling things is not GitOps

Share yours!

https://redd.it/rlgkwa
@r_devops

LOG4J shell from a devops perspective

Helle dear devops guys,

I want to know as devops guys what are our responsabilities facing log4shell vulnerability? How should we react and what we need to add in our CI/CD pipelines ? In our nexus repo? Etc.
Untill now i just wrote a shell script that defined all our apps that use log4j 2.x and 1.x , and it's up to the architect to decide if we should upgrade or not, but beside that what can i do more as a devops engineer ?

Thank you all,

https://redd.it/rli8q4
@r_devops

Question about blue/green deployments with databases.

I'm unable to fully comprehend best procedure to implement database migration between the two environments. Wouldn't there be data discrepancies between blue and green? Should I be using database replication between these two so the data is always up-to-date? Most blue/green strategies I read deals with applications deployment but lacks on how to deal ⠀with data. Any input is appreciated.

https://redd.it/rl3gx9
@r_devops

tRANSITIONING FROM CLOUD eNG TO sre?

Hey guys, has anyone made the transition from Cloud Eng -> SRE? I've been a cloud eng for about 2 years now and really want to get into SRE, but it seems like a hard field to break into. Anyone have some advice?

Edit: not a clue wtf happened to the title

https://redd.it/rk81i0
@r_devops

Structuring internal documentation or product/project?

We have several projects/products mostly for B2B customers. Internally we use Confluence for documentation all sorts of decisions, processes, architecture, operations guides, research, security, high level, etc..

Our documentation can still be a mess, with many documents covering multiple aspects that makes it difficult to organize.

How do other people structure project documentation that makes it easy for not only your team to find things, but also business people, and devs from other teams so they don't bug you about "where do I find X?"

https://redd.it/rlm2mp
@r_devops

Podman on MacOS doesn't appear to work

I installed podman using Homebrew and I can't seem to start the machine. It just appears to hang

% brew install podman
% podman machine init
% podman machine start
INFO[0000] waiting for clients...
INFO[0000] listening tcp://127.0.0.1:7777
INFO[0000] new connection from to /var/folders/yd/vwdgp72132g5mdffy066r0nc0000gp/T/podman/qemu_podman-machine-default.sock
Waiting for VM ...
2021/12/21 12:43:03 tcpproxy: for incoming conn [::1]:51050, error dialing "192.168.127.2:22": connect tcp 192.168.127.2:22: no route
2021/12/21 12:43:11 tcpproxy: for incoming conn [::1]:51053, error dialing "192.168.127.2:22": connect tcp 192.168.127.2:22: no route

https://redd.it/rlnstd
@r_devops

How to use hetzner load balancer in kubernetes running in hetzner cloud?

I've set up a new kubernetes cluster on hetzner cloud using kubeadm. I have 1 master node and 2 worker nodes, they are up and running. I used Cilium as the CNI plugin and Traefik as ingress controller. The problem is related to load balancer services - how can I use the hetzner load balancer with them? I tried setting load-balancer.hetzner.cloud/name: "load-balancer-1" to the traefik load balancer service, and even specified loadBalancerIP pointing at the created hetzner load balancer.

Nothing seems to work.... Has anyone managed to get the hetzner load balancer working with kubernetes?

https://redd.it/rlowy9
@r_devops

Multiple Interview Rejections, feeling a bit bummed, looking for feedback...

Hello Everyone,

Over the past few months I have been interviewing with several companies (around 10) for a variety of Cloud and DevOps roles. Unfortunately, I have been rejected or declined from every place I have interviewed at so far....usually after the technical interview portion (no problems with the culture / fit interviews). I am trying to remain positive and look at this as growth opportunities to identify what gaps I have and what I need to study up on (mainly things like containers, Ansible, Python, etc. to be specific) and plan on spending some time to study over the next few months. I also know that at the very least this is giving me some interview 'practice' since I have been at my current job for the past 5 years and have forgotten how to interview if that makes sense. But I am just feeling kinda shi**y about the whole situation to be honest. I was hoping throughout this '1st round' of interviews I would get at least one job offer.

Anyway, not trying to turn this into a pity party. But really I just wanted to ask if anyone out there is in the similar boat? Are there other things I should be concentrating on to get better or to help grow myself? I am thankful that at least I am getting the feedback on what areas I need to improve on, and not just the generic "sorry you weren't the right fit" response from the recruitment teams. And the bigger relief that I still have my current job that I can fallback on throughout this process.

Any feedback / thoughts / advice would be greatly appreciated. Thanks!

https://redd.it/rlpioh
@r_devops

cannot run wsl --shutdown on cmd

I can't run these commands

wsl --shutdown
wsl

and I get cannot find the application, don't have permissions, which is weird. I am using wsl2. I think it works on powershell if I remember, but this is really weird.

https://redd.it/rlscul
@r_devops

Docker container time is not in sync on WSL2?

How to make sure docker's time syncs with that of the host?

Time in Docker container out of sync with host machine

Tried both, but it doesn't work and because of that I can't download anything through npm.

admin@PC-SE-L356:~/projects/hg$ docker run -it alpine date
Wed Dec 22 00:09:58 UTC 2021
admin@PC-SE-L356:~/projects/hg$ date
Tue Dec 21 19:09:59 EST 2021
admin@PC-SE-L356:~/projects/hg$

Is there an easy way to fix this? I heard docker syncs with the host, but it doesn't seem to be the case with WSL2. I am using Docker for Windows and WSL2. I can't change the time insider of docker, but it doesn't sync time with the host, which is confusing to me.

https://redd.it/rls5zw
@r_devops

$800 Learning & Dev budget to spend before EOY

Hi friends! I work on an IT Engineering team and am looking for ideas on how to spend the leftovers of my learning and development budget.

So far I’ve gotten a subscription for A Cloud Guru so I can beef up on AWS dev, and a few books about Linux stuff suggested by a co-worker.

Any suggestions for books or subscriptions to snag for leveling up my dev ops knowledge over the next year?

https://redd.it/rlvkl7
@r_devops

Why Am I Not Passing Tech Screens?

Hello, I think that the same insecurity that some people have around dating is the insecurity I am having around software interviews. I think that I must be doing something wrong, but it's nothing tangible. Once again I had an interview at Google and I was asked to perform a task and I walked through the process, I asked qualifying questions, and completed the question, discussed space and time complexity, and there was time to spare for them to elaborate on it and I was able to even answer the next question they had lined up, and copied the code into an interpreter and verified it worked as intended afterwards.

I believe that I was being polite, articulate, and wore a nice casual button up with a plane background, showered, combed my hair.

Ultimately this has become a repeated pattern, and it is beginning to feel a bit like abuse. I am made to essentially code for free doing one, two, three, four interviews, interview with more people than I can count, learn about them, be polite to them, take hours out of my day for weeks, and then if there is something that isn't absolutely perfect I am going to be left unable to pay my rent.

It feels like abuse because the expectations are never consistent or even expressed, feedback is vague and contradictory, and I am essentially left with the threat of losing my basic needs unless I read the mind of the interviewer and not only do the task at hand, but do it "not too fast and not too slow" as the Google interviewer put it to me, act nice and patient, don't be afraid to ask for help but don't ask for help, and code with perfect syntax with the right data types and optimal algorithm, never say anything negative, and be constantly criticized and patronized jumping through hoops like a performing monkey

I think that at this point it has reached a level of abuse, because when I interviewed at Microsoft, the interviewer was not aware of .count() in python and I was still able to get to a second round and had solutions to the second round and still didn't get an offer

Was nicer when I could get taken to dinner and treated well instead of being in solitary confinement like a horror movie endlessly stuck

I hear people say that they are able to get these positions and they do not even finish the code, and I not only finish the code, but discuss my steps, plan out an approach beforehand, ask the interviewer clarifying questions and if they have any feedback, and try to optimize for space and time complexity, and copy the code to verify it works in an interpreter afterwards

It's really hard to not feel like there is some kind of deliberate conspiracy or something. I don't know what it is, maybe they don't like my voice? Maybe I'm not interesting enough for them? Maybe they think I'm too insecure? Maybe they think I'm too confident in my speech and think it isn't working with them though?

And the problem is that complaining doesn't really help, I just have to passively accept these continual rejections with disorienting and contradictory feedback and I see friends getting these jobs no problem, and I've been a senior devops engineer before, but it seems like I'm always steps behind my peers. I don't know, maybe I don't have a likeable personality? I think I've tried to be articulate and professional, kind and meek, confident and authoritative, agreeable and patient, and I try to cycle through temperaments and communication styles but it doesn't really seem to affect the outcome.

A part of me feels like this is a deliberate way of dissuading people from leaving jobs so that the workers have to accept a degree of suffering to be allowed back into the work force. Like I can't say for certain but it feels kind of spiteful in a way or in purpose. I've had recruiters tell me to send thank you notes groveling to the hiring managers and it just feels really demoralizing, because in essence it is this attitude of me putting in a lot of time investment into these people, my education, my career, and then not only am I supposed to accept being dismissed over

anything, but then I have to write them a thank you letter for allowing me the privilege of being rejected by them

It is really dehumanizing and demeaning. For my entire career and in college I've felt somewhat isolated because I have to spend all my time studying, coding, practicing, with the alternative being homeless, it's very much like squid game where you make one mistake and you are left for dead. I do not understand why employers don't look to invest in their employees instead of working with their employees through problems and then immediately disposing of them when they make a small mistake.

After the interview I have been writing thank you emails and even go into a brief description of how the interview went detailing the problem I was tasked with and how I approached it. Both times I interviewed at Google this same thing happened, and even if there was a mistake even though the interviewer was giving me positive feedback (they always say talk through it and work through it with your interviewer but maybe they are lying about that?) wouldn't that mean i would at least qualify for a junior level dev position? They always give the same response when I ask and it's really creepy like they are reading a script

"We are glad that you felt that you did well doing your interview but the team had a different opinion"

Then when you ask what the opinion is they say

" we do not give information about interviews"

I don't know, I feel behind my peers because instead of making progress I'm stuck in this hell, and I wonder if there is anywhere to pivot my career

https://redd.it/rlyjuz
@r_devops

Dev to Devops outlook and transition?

I'm currently a junior dev working for a Fortune 500 working a lead role. I love programming but am pretty versatile. I also enjoyed automating and scripting quite a bit which has lead me to setting up some Azure DevOps pipelines, remediating some middleware issues, and handling a majority of our organization CICD tasks.

I have a potential internal promotion into a devops role from software development. I have been told it's 100% devops minus some POC work and shared libraries I'll be writing. The salary increase isn't much more and I fear that my dev skills will decay, I won't know as much as I'm expected to aka I'll perform horribly in this role, and that this potential career pivot will affect my future opportunity (dev to devops).

Can anybody who came from a dev role give some insight? It seems like most DevOps people come from sysops backgrounds or IT. I also know little to no networking or security. Is this an opportunity I should capitalize on or pass? It's below 6 figures and would require a lot of learning outside of work which is why it's trivial for me (if it was like 150k and I get to learn- hell yeah lol).

https://redd.it/rlzdv9
@r_devops

Docker Registry in production

Would you use the Docker registry container in production? Why or why not?

Edit: to clarify, would you choose docker registry over other private registry options

https://redd.it/rly8pq
@r_devops

Use ansible to provision VM's or containers

I've been using ansible to provision everything including a large server running lots of services. It's working pretty well but I like the idea of separating it into different VM's.

What are my options for doing this? I'm not sure if docker is the right solution for me since it limits to 1 command running per container unlike a VM.

And I don't need the caching capabilities of docker. Anytime I run ansible it should change whatever on the server has changed from the ansible script, like it does when you run ansible on a real server.

And there's no simple way to point an ansible playbook at a container, like you can point it to a server or VM through SSH. I'd have to copy my entire ansible playbook to the docker directory and then run the ansible command within the Dockerfile.

The system I use now where I'm provisioning the large server using lots of ansible roles works well. I just wanted to see if there's any simple way to reuse my existing ansible roles (and not have to change them much) to provision isolated VM's or containers which could bring some benefits.

https://redd.it/rm2apr
@r_devops

Anyone can help me ?

I'm developing a website and I need to deploy it in AWS with Kubernetes maybe. I'm still sure about all the technology I will use but if you know Kubernetes it is possible that you can handle other tools.

https://redd.it/rm2nx1
@r_devops

India Salary check 🇮🇳

Folks how much are Devops engineers getting in India? What's the max salary you have heard. Also mention the skillset

https://redd.it/rm3cd1
@r_devops

Introduction to DevOps on Coursera

I've mentioned here before about the graduate course that I teach on DevOps and Agile Methodologies at New York University (NYU) Courant Institute and Stern School of Business and some of you have expressed that you wish you could take it and I said I was brining parts of it to Coursera. Well... this is my second course in the series: Introduction to DevOps that you can audit for free. (the first being Introduction to Agile Development and Scrum)

The focus of the course is on the cultural and technological transformation that is required to be successful at DevOps. It is appropriate for anyone, including non-technical practitioners and managers, who want to understand the new mindset that is required to transform their organization into the DevOps culture. In order to change your culture, you need to learn new ways of thinking, working, organizing, and measuring and so the course is broken down into these four focus areas to ensure that your DevOps journey is successful (because DevOps a continuous journey, not a destination).

In the interest of fast feedback and continuous improvement, I welcome any comments about the approach or content. You can view the introductory video here: https://www.coursera.org/lecture/intro-to-devops/course-introduction-KhZRS

https://redd.it/rm6b0c
@r_devops

Load tester with custom scripting

Hey there,

I have an environment we are trying to load test, but my usual load testing software is failing me, so I was hoping to get some alternative suggestions.

There is a portion of the test where we make a call and get a JSON request back, then need to use that JSON data for our next call. Easy, right? Most any modern load tester can handle that.

The problem is the way the JSON I am getting is formatted. For some reason the JSON data is quoted, like this:
{d:"{v:200,a:"apple"}"}

So, the JSON has to be ran through the parser twice. First time you get D : (string with everything else) then run it a second time on the string to get the 'Real' data. My current load tester cannot handle this.

I doubt any load tester is going to handle this natively, so I guess I need to find a load tester that will take the response, let me hand it off to some custom code where I fix the JSON issue and let it hand back variables back to the load tester.

... I've already suggested that the JSON response we are receiving get fixed, but unfortunately, we have no control over how that comes apparently.

Anyone have any suggestions as to a replacement load tester that can handle this situation?

https://redd.it/rm6p9v
@r_devops