renovate-talk-java-demo-app-deploy
cert-manager
renovate-talk-java-demo-app-deploy | cert-manager | |
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1 | 101 | |
0 | 11,533 | |
- | 1.3% | |
5.7 | 9.8 | |
about 1 month ago | about 16 hours ago | |
Go | ||
MIT License | Apache License 2.0 |
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renovate-talk-java-demo-app-deploy
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How do you guys monitor K8s core services new versions
I personally don't have any examples for helm. I do have an example from a demo project where Renovate is used to automatically update the image in a kustomize setup.
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?
version-checker - Kubernetes utility for exposing image versions in use, compared to latest available upstream, as metrics.
metallb - A network load-balancer implementation for Kubernetes using standard routing protocols
helm-charts
aws-load-balancer-controller - A Kubernetes controller for Elastic Load Balancers
Portainer - Making Docker and Kubernetes management easy.
awx-operator - An Ansible AWX operator for Kubernetes built with Operator SDK and Ansible. 🤖
k3s - Lightweight Kubernetes
oauth2-proxy - A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.
external-dns - Configure external DNS servers (AWS Route53, Google CloudDNS and others) for Kubernetes Ingresses and Services
lens - Lens - The way the world runs Kubernetes
rbac-manager - A Kubernetes operator that simplifies the management of Role Bindings and Service Accounts.
Caddy - Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS