loki
cert-manager
Our great sponsors
loki | cert-manager | |
---|---|---|
80 | 101 | |
22,045 | 11,429 | |
3.3% | 1.5% | |
9.9 | 9.6 | |
6 days ago | 2 days ago | |
Go | Go | |
GNU Affero General Public License v3.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
loki
- Loki 3.0 Released
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List of your reverse proxied services
I also needed to make a small patch to Promtail to make this work: https://github.com/grafana/loki/pull/10256
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About reading logs
We don't pull logs, we forward logs to a centralized logging service.
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loki VS openobserve - a user suggested alternative
2 projects | 30 Aug 2023
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Logs monitoring with Loki, Node.js and Fastify.js
Over the past few months, I've been spending a lot of time creating dashboards on Grafana using Loki for MyUnisoft (the company I work for).
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OpenObserve: Open source Elasticsearch alternative in Rust for logs. 140x lower storage cost
For log systems you generally don't migrate data. Logs lose value over time. What you want to do is to go ahead and start ingesting data into the new system (OpenObserve in this case) and slowly, the data in the old system will become stale and then you can retire it. However if you need to export logs anyhow, there is no straightforward way in loki to do this. You could run a script to query loki and export it to a file. If found this thread with a sample script - https://github.com/grafana/loki/issues/409
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Config files of snaps?
That snap is woefully out of date. The upstream repo was recently updated to 2.8.2, but the snap stable channel has 2.4.1 from 18 months ago. https://github.com/grafana/loki/releases/tag/v2.8.2
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i need to visualize all logs from remote dir
Loki
- Loki Helm charts that use DynamoDB
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I can't recommend serious use of an all-in-one local Grafana Loki setup
I installed promtail a few weeks back and I ran into this bug, that has been outstanding for months: https://github.com/grafana/loki/issues/8663 (e.g. a fix had been written but had not been released):
Due to a buffering issue, Loki would exit in case of configuration error without printing any error message or anything at all
There is definitely something weird about how the project is run.
cert-manager
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deploying a minio service to kubernetes
cert-manager
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Upgrading Hundreds of Kubernetes Clusters
The second one is a combination of tools: External DNS, cert-manager, and NGINX ingress. Using these as a stack, you can quickly deploy an application, making it available through a DNS with a TLS without much effort via simple annotations. When I first discovered External DNS, I was amazed at its quality.
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Run WebAssembly on DigitalOcean Kubernetes with SpinKube - In 4 Easy Steps
On top of its core components, SpinKube depends on cert-manager. cert-Manager is responsible for provisioning and managing TLS certificates that are used by the admission webhook system of the Spin Operator. Let’s install cert-manager and KWasm using the commands shown here:
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Importing kubernetes manifests with terraform for cert-manager
terraform { required_providers { kubectl = { source = "gavinbunney/kubectl" version = "1.14.0" } } } # The reference to the current project or a AWS project data "google_client_config" "provider" {} # The reference to the current cluster or EKS data "google_container_cluster" "my_cluster" { name = var.cluster_name location = var.cluster_location } # We configure the kubectl provider to use those values for authenticating provider "kubectl" { host = data.google_container_cluster.my_cluster.endpoint token = data.google_client_config.provider.access_token cluster_ca_certificate = base64decode(data.google_container_cluster.my_cluster.master_auth[0].cluster_ca_certificate) } #Download the multiple manifests file. data "http" "cert_manager_crds" { url = "https://github.com/cert-manager/cert-manager/releases/download/v${var.cert_manager_version}/cert-manager.crds.yaml" } data "kubectl_file_documents" "cert_manager_crds" { content = data.http.cert_manager_crds.response_body lifecycle { precondition { condition = 200 == data.http.cert_manager_crds.status_code error_message = "Status code invalid" } } } # We use the for_each or else this kubectl_manifest will only import the first manifest in the file. resource "kubectl_manifest" "cert_manager_crds" { for_each = data.kubectl_file_documents.cert_manager_crds.manifests yaml_body = each.value }
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An opinionated template for deploying a single k3s cluster with Ansible backed by Flux, SOPS, GitHub Actions, Renovate, Cilium, Cloudflare and more!
SSL certificates thanks to Cloudflare and cert-manager
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Deploy Rancher on AWS EKS using Terraform & Helm Charts
kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/${CERT_MANAGER_VERSION}/cert-manager.crds.yaml
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Setup/Design internal PKI
put the Sub-CA inside hashicorp vault to be used for automatic signing of services like https://cert-manager.io/ inside our k8s clusters.
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Task vs Make - Final Thoughts
install-cert-manager: desc: Install cert-manager deps: - init-cluster cmds: - kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/{{.CERT_MANAGER_VERSION}}/cert-manager.yaml - echo "Waiting for cert-manager to be ready" && sleep 25 status: - kubectl -n cert-manager get pods | grep Running | wc -l | grep -q 3
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Easy HTTPS for your private networks
I've been pretty frustrated with how private CAs are supported. Your private root CA can be maliciously used to MITM every domain on the Internet, even though you intend to use it for only a couple domain names. Most people forget to set Name Constraints when they create these and many helper tools lack support [1][2]. Worse, browser support for Name Constraints has been slow [3] and support isn't well tracked [4]. Public CAs give you certificate transparency and you can subscribe to events to detect mis-issuance. Some hosted private CAs like AWS's offer logs [5], but DIY setups don't.
Even still, there are a lot of folks happily using private CAs, they aren't the target audience for this initial release.
[1] https://github.com/FiloSottile/mkcert/issues/302
[2] https://github.com/cert-manager/cert-manager/issues/3655
[3] https://alexsci.com/blog/name-non-constraint/
[4] https://github.com/Netflix/bettertls/issues/19
[5] https://docs.aws.amazon.com/privateca/latest/userguide/secur...
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☸️ Managed Kubernetes : Our dev is on AWS, our prod is on OVH
the Cert Manager
What are some alternatives?
ClickHouse - ClickHouse® is a free analytics DBMS for big data
metallb - A network load-balancer implementation for Kubernetes using standard routing protocols
fluent-bit - Fast and Lightweight Logs and Metrics processor for Linux, BSD, OSX and Windows
aws-load-balancer-controller - A Kubernetes controller for Elastic Load Balancers
Zabbix - Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.
Portainer - Making Docker and Kubernetes management easy.
VictoriaMetrics - VictoriaMetrics: fast, cost-effective monitoring solution and time series database
awx-operator - An Ansible AWX operator for Kubernetes built with Operator SDK and Ansible. 🤖
ElastiFlow - Network flow analytics (Netflow, sFlow and IPFIX) with the Elastic Stack
k3s - Lightweight Kubernetes
loki-multi-tenant-proxy - Grafana Loki multi-tenant Proxy. Needed to deploy Grafana Loki in a multi-tenant way
oauth2-proxy - A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.