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Service discovery is client work — even when a platform hides the wiring.

New walkthrough: two Quarkus provider instances register in Consul with health checks. The consumer uses SmallRye Stork to discover them by name and round-robin between them. Stop one instance and watch the client adapt.

Registration, health, selection — three jobs, three owners.

https://www.the-main-thread.com/p/service-discovery-stork-consul

#Quarkus #ServiceDiscovery #Consul #SmallRyeStork #Java #Microservices

Service discovery is client work — even when a platform hides the wiring.

New walkthrough: two Quarkus provider instances register in Consul with health checks. The consumer uses SmallRye Stork to discover them by name and round-robin between them. Stop one instance and watch the client adapt.

Registration, health, selection — three jobs, three owners.

https://www.the-main-thread.com/p/service-discovery-stork-consul

#Quarkus #ServiceDiscovery #Consul #SmallRyeStork #Java #Microservices

Обновление базы за время смены мастера Patroni

Меня зовут Ирек Агмалов, я DBA-SRE в Ви.Tech - IT-дочке ВсеИнструменты.ру. Мы обновляли PostgreSQL в кластере Patroni и хотели переключить приложение на новую версию без смены строки подключения и без долгого простоя. Для роутинга у нас уже использовались consul-dns и Patroni, поэтому вместо замены DSN мы попробовали временно взять переключение трафика на себя через записи в Consul. В статье покажу, как перевели реплику на PostgreSQL 18, сохранили синхронизацию через логическую репликацию и переключили master и replica так, чтобы потом вернуть кластер в нормальный режим работы.

https://habr.com/ru/articles/1036420/

#postgresql #patroni #consul #logical_replication #upgrade

Consul for Service Networking
Enable service discovery, secure communication & traffic control across microservices.
#DevOps #Consul #ServiceMesh #CloudNative

Consul for Service Networking

Consul helps services find and communicate with each other.
It provides service discovery, health checks, and secure networking for distributed systems.

#consul #devops #servicemesh #cloud #microservices

🎉 Ứng dụng Mac Consul: chỉ cần đổi phần mở rộng, nó tự động chuyển đổi file (hình, video, âm thanh, ebook, config…) hoàn toàn offline. Hỗ trợ chuyển đổi lossless, cả chuyển loại (video→audio, GIF→video). Dùng thử 14 ngày, sau đó mua bản perpetual + 1 năm cập nhật. Thử ngay! #Mac #Consul #FileConversion #TiệnÍch #MacOS #CôngCụ

https://www.reddit.com/r/SideProject/comments/1qk09hs/rename_to_convert_i_turned_a_viral_tweet_into_a/

Caligula and his favorite politician

https://piefed.social/c/historymemes/p/1688269/caligula-and-his-favorite-politician

Caligula and his favorite politician

https://piefed.social/c/historymemes/p/1688269/caligula-and-his-favorite-politician

Really annoyed that with #Hashicorp/ #IBM's rogue licensing change, it has killed all interest I had in exploring #Nomad as an alternative to #Kubernetes. It had so much promise. Also, #Consul.

Really annoyed that with #Hashicorp/ #IBM's rogue licensing change, it has killed all interest I had in exploring #Nomad as an alternative to #Kubernetes. It had so much promise. Also, #Consul.

Как мы реализовали георезервирование инфраструктуры для системы видеоконференций: опыт, ошибки, выводы

Что общего у систем видеоконференцсвязи (ВКС), финансовых транзакций и авиаперевозок? Все они должны работать всегда, когда нужны людям. Сегодня расскажем, как мы строили георезервирование для инфраструктуры, что пошло не так и какие выводы сделали. Перед вами — true story, как мы помогаем одному из наших заказчиков сопровождать инфраструктуру большого критичного сервиса. Привет, Хабр! Это Никита Турцаков и Алексей Кузьмин из К2. В этой статье расскажем: • зачем и для чего нужно георезервирование для системы ВКС; • как мы подошли к выбору архитектуры; • с чем столкнулись при реализации; • и что бы сделали по-другому, если бы начинали сейчас. Готовьтесь: будет много практики и немного боли — потому что как без неё в масштабных и амбициозных задачах.

https://habr.com/ru/companies/k2tech/articles/932106/

#облачные_сервисы #инфраструктура #облачные_хранилища #цод #георезервирование #кластер #базы_данных #архитектура #consul #postgresql

Загадка от Жака Фреско: как построить свой Rate Limiter и не утонуть в море компромиссов

Построить Rate Limiter — легко. Сделать его быстрым, отказоустойчивым и работающим в нескольких дата-центрах — сложнее. Делюсь опытом реализации нашего облачного Rate Limiter в DDoS-Guard: принцип работы, анализ правил и реальные примеры из практики.

https://habr.com/ru/companies/ddosguard/articles/908662/

#ratelimit #rate_limiting #ratelimiter #rate_limiter #ddosguard #оптимизация_запросов #429_request #облачные_решения #redis #consul

The #s390x open source software team at IBM confirms the latest versions of various software packages run well on #Linux on #IBMZ & #LinuxONE 🐧

In April 2025 validation was maintained for over 40 projects, including #Apache Hbase, HashiCorp #Consul and #nginx 🎉

Plus, community CI was added for zaars, V (programming lang), & Exiv2

Full report + how your project can apply for a s390x VM: https://community.ibm.com/community/user/blogs/elizabeth-k-joseph1/2025/05/29/linuxone-open-source-report-april-2025

The #s390x open source software team at IBM confirms the latest versions of various software packages run well on #Linux on #IBMZ & #LinuxONE 🐧

In April 2025 validation was maintained for over 40 projects, including #Apache Hbase, HashiCorp #Consul and #nginx 🎉

Plus, community CI was added for zaars, V (programming lang), & Exiv2

Full report + how your project can apply for a s390x VM: https://community.ibm.com/community/user/blogs/elizabeth-k-joseph1/2025/05/29/linuxone-open-source-report-april-2025

#Litestream now does compaction. Using s3 condition writes. 😎

#consul is good, but complex when not in infra. Especially for #litefs. Too many moving parts. 😅

Very happy litestream is getting some love. Makes #sqlite even more of a no brainer choice. 😏
https://fly.io/blog/litestream-revamped/

#Litestream now does compaction. Using s3 condition writes. 😎

#consul is good, but complex when not in infra. Especially for #litefs. Too many moving parts. 😅

Very happy litestream is getting some love. Makes #sqlite even more of a no brainer choice. 😏
https://fly.io/blog/litestream-revamped/

Deploy Consul as OpenTofu Backend with Azure & Ansible

https://developer-friendly.blog/blog/2025/04/14/deploy-consul-as-opentofu-backend-with-azure--ansible/

#sre
#terraform
#consul
#ansible

Deploy Consul as OpenTofu Backend with Azure & Ansible

https://developer-friendly.blog/blog/2025/04/14/deploy-consul-as-opentofu-backend-with-azure--ansible/

#sre
#terraform
#consul
#ansible

🚀 I migrated my Mastodon instance from DigitalOcean to my self-hosted Nomad cluster!

✅ Lower costs
✅ Much faster performance
✅ Full control

I wrote about my setup, including Nomad, Consul, Caddy, and Cloudflare Tunnels.
🔗 Read the full post: https://www.patreon.com/posts/self-hosted-with-121790567?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link

Subscribers get ready-to-deploy config files!

#SelfHosting #Mastodon #Nomad #Consul #Cloudflare #Caddy #DevOps #Infra #Homelab #HashiCorp #FOSS #OpenSource #Linux #SelfHost

🚀 I migrated my Mastodon instance from DigitalOcean to my self-hosted Nomad cluster!

✅ Lower costs
✅ Much faster performance
✅ Full control

I wrote about my setup, including Nomad, Consul, Caddy, and Cloudflare Tunnels.
🔗 Read the full post: https://www.patreon.com/posts/self-hosted-with-121790567?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link

Subscribers get ready-to-deploy config files!

#SelfHosting #Mastodon #Nomad #Consul #Cloudflare #Caddy #DevOps #Infra #Homelab #HashiCorp #FOSS #OpenSource #Linux #SelfHost

Vor diesem Hintergrund finde ich immer auch "#Bürgerbeteiligungsportale" leicht absurd, egal ob #Mängelmelder oder #Consul (https://github.com/consuldemocracy/consuldemocracy)

Absurd daran finde ich u.a. so Sachen wie, a) dass das typischerweise immer projektspezifisch oder bezogen auf eine spezifische Beziehung zwischen Exekutive und Bürger*innen zum Einsatz kommt, b) politische Vereine und Parteien bestenfalls als "Gäste" am Tisch sitzen usw. Mir schwebt eher vor, sowas zum demokratischen Alltagstool zu machen 6/x

Vor diesem Hintergrund finde ich immer auch "#Bürgerbeteiligungsportale" leicht absurd, egal ob #Mängelmelder oder #Consul (https://github.com/consuldemocracy/consuldemocracy)

Absurd daran finde ich u.a. so Sachen wie, a) dass das typischerweise immer projektspezifisch oder bezogen auf eine spezifische Beziehung zwischen Exekutive und Bürger*innen zum Einsatz kommt, b) politische Vereine und Parteien bestenfalls als "Gäste" am Tisch sitzen usw. Mir schwebt eher vor, sowas zum demokratischen Alltagstool zu machen 6/x

#Consul templates have a bunch of functions, but what they don't have is an urlencode function. It has a useless base64urlencode, but then better hope you have control over the code to do a nonstandard urldecode!

An hour of my life wasted yet again where in the end I just mangle password generation to strip out "bad" characters because the DSN can't handle them and I can't urlencode.

Je découvre Tricot de l'association #Deuxfleurs , un reverseproxy qui utilise #consul et ça m'a l'air bien génial. Ils font aussi le serveur S3 #Garage (que j'utilise https://fredix.xyz/2024/06/garage/ )

Les 2 outils sont en #Rust mais ils font aussi du #Go (voir bottin un serveur LDAP)

https://guide.deuxfleurs.fr/infrastructures/tricot/
https://guide.deuxfleurs.fr/infrastructures/garage/
https://guide.deuxfleurs.fr/infrastructures/bottin/

I've upgraded one of our PostgreSQL test clusters thinking the out-of-cycle release was already there, which wasn't, and broke Patroni because the Python Consul library wasn't updated for years on our systems. I know what I will do next week 😅

#postgresql #patroni #consul #python

I've upgraded one of our PostgreSQL test clusters thinking the out-of-cycle release was already there, which wasn't, and broke Patroni because the Python Consul library wasn't updated for years on our systems. I know what I will do next week 😅

#postgresql #patroni #consul #python

Need some advice.. I have my #Nomad cluster working fine, but I don't have any proper load balancing or ingress set up. It's all running on some Debian-based 1L PCs.

I want a solution to route traffic to them that ticks the following boxes:

- Local access while on my LAN
- Remote access (#tailscale)
- Ideally using hostnames on the LAN
- Some services connected in LAN without Tailscale (ie. from other devices not capable of connecting via tailscale, or from the wife's machine)

I suppose I could run a separate box that does #nginx load balancing, as well as the tailscale per-service, but then I'd have a mix of hostnames I can configure each service on.

Could someone help point me in the right direction? Do I just forgo the tailscale setup and do everything with local hostnames that can be resolved on my tailnet?

I use a #pihole at home as my first DNS point of contact - could I wire in the #consul DNS to this so I can resolve my services, or is there some better way to do this so I'm passing the nginx-based endpoints to whatever DNS server I'm using? I'm a bit out of my depth on that one.

#homelab #selfhosting #selfhosted #dns

Need some advice.. I have my #Nomad cluster working fine, but I don't have any proper load balancing or ingress set up. It's all running on some Debian-based 1L PCs.

I want a solution to route traffic to them that ticks the following boxes:

- Local access while on my LAN
- Remote access (#tailscale)
- Ideally using hostnames on the LAN
- Some services connected in LAN without Tailscale (ie. from other devices not capable of connecting via tailscale, or from the wife's machine)

I suppose I could run a separate box that does #nginx load balancing, as well as the tailscale per-service, but then I'd have a mix of hostnames I can configure each service on.

Could someone help point me in the right direction? Do I just forgo the tailscale setup and do everything with local hostnames that can be resolved on my tailnet?

I use a #pihole at home as my first DNS point of contact - could I wire in the #consul DNS to this so I can resolve my services, or is there some better way to do this so I'm passing the nginx-based endpoints to whatever DNS server I'm using? I'm a bit out of my depth on that one.

#homelab #selfhosting #selfhosted #dns

More progress on the #homelab renovation.. mostly software-related at the moment though. Managed to get #nomad to correctly mount the NFS volumes I needed for #smokeping and #mariadb, and figured out how template files work for simple config files being passed in to containers.

I'm currently using my old #unraid server as the storage backend.. but I'll most likely still be upgrading to a new unraid server soon so what I setup now can easily be translated to the next server. Once I have everything transferred I'll setup a backup task across the storage on unraid so that I have all application states protected.

Last thing to figure out is the load balancing for my services. I want them all accessible via IP/port on my LAN and by service under #tailscale. Not sure how this will all fit together - I probably need a dedicated box for the LB.. maybe just a simple #nginx proxy with #consul configuration so that it's somewhat dynamic. Would love to get feedback on this, and if you know of a simpler/better way!

More progress on the #homelab renovation.. mostly software-related at the moment though. Managed to get #nomad to correctly mount the NFS volumes I needed for #smokeping and #mariadb, and figured out how template files work for simple config files being passed in to containers.

I'm currently using my old #unraid server as the storage backend.. but I'll most likely still be upgrading to a new unraid server soon so what I setup now can easily be translated to the next server. Once I have everything transferred I'll setup a backup task across the storage on unraid so that I have all application states protected.

Last thing to figure out is the load balancing for my services. I want them all accessible via IP/port on my LAN and by service under #tailscale. Not sure how this will all fit together - I probably need a dedicated box for the LB.. maybe just a simple #nginx proxy with #consul configuration so that it's somewhat dynamic. Would love to get feedback on this, and if you know of a simpler/better way!

I’ve cooled off. Got the bugs with #consul and #nomad solved at least.. perhaps I’ll get the CSI plugins for NFS working today? Who knows 😅

Dammit I really don't want to fight this anymore. Thought after the last failed attempt of installing and running a #nomad and #consul cluster that this'd be easier.. this time round. It isn't. It's just failure after crash after conflicting or incomplete docs.

I don't want to go back to #k8s or #k3s but that line is fast approaching.

Anyone familiar with #hashicorpnomad or #hashicorpconsul know how to fix my broken healthcheck for a client node?

It says it's not enabled when it is, and even #nomad itself sees that it is. It's only #consul that's failing.