adding more files

mmmarceleza · Jul 11, 2023 · f50fc2d · f50fc2d
1 parent fb8973a
commit f50fc2d
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Showing 16 changed files with 585 additions and 121 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,3 +1,4 @@
 .history
 .obsidian
-.vscode
+.vscode
+.vagrant
diff --git a/helm/values.yaml b/helm/values.yaml
@@ -0,0 +1,5 @@
+replicas: 2
+
+image:
+  repository: "nginx-alpine"
+  pullPolicy: IfNotPresent
diff --git a/kubernetes/flux/apps/helmrepository.yaml b/kubernetes/flux/apps/helmrepository.yaml
@@ -1,131 +1,131 @@
-# #------------------------------------------------------------------------------
-# #                                 Appsmith
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: appsmith
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://helm.appsmith.com
+#------------------------------------------------------------------------------
+#                                 Appsmith
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: appsmith
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://helm.appsmith.com
 
-# #------------------------------------------------------------------------------
-# #                                 Autoscaler
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: autoscaler
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://kubernetes.github.io/autoscaler
+#------------------------------------------------------------------------------
+#                                 Autoscaler
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: autoscaler
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://kubernetes.github.io/autoscaler
 
-# #------------------------------------------------------------------------------
-# #                                  Bitnami
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: bitnami
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://charts.bitnami.com/bitnami
+#------------------------------------------------------------------------------
+#                                  Bitnami
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: bitnami
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://charts.bitnami.com/bitnami
 
-# #------------------------------------------------------------------------------
-# #                                  Jetstack
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: jetstack
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://charts.jetstack.io
+#------------------------------------------------------------------------------
+#                                  Jetstack
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: jetstack
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://charts.jetstack.io
 
-# #------------------------------------------------------------------------------
-# #                                   MetalLB
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: metallb
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://metallb.github.io/metallb
+#------------------------------------------------------------------------------
+#                                   MetalLB
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: metallb
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://metallb.github.io/metallb
 
-# #------------------------------------------------------------------------------
-# #                               Metrics Server
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: metrics-server
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://kubernetes-sigs.github.io/metrics-server/
+#------------------------------------------------------------------------------
+#                               Metrics Server
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: metrics-server
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://kubernetes-sigs.github.io/metrics-server/
 
-# #------------------------------------------------------------------------------
-# #                                  Mongodb
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: mongodb
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://mongodb.github.io/helm-charts
+#------------------------------------------------------------------------------
+#                                  Mongodb
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: mongodb
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://mongodb.github.io/helm-charts
 
 
 
-# #------------------------------------------------------------------------------
-# #                           Nginx Ingress Controller
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: ingress-nginx
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://kubernetes.github.io/ingress-nginx
+#------------------------------------------------------------------------------
+#                           Nginx Ingress Controller
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: ingress-nginx
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://kubernetes.github.io/ingress-nginx
 
-# #------------------------------------------------------------------------------
-# #                                   Openebs
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: openebs
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://openebs.github.io/charts
+#------------------------------------------------------------------------------
+#                                   Openebs
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: openebs
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://openebs.github.io/charts
 
-# #------------------------------------------------------------------------------
-# #                                  Velero
-# #------------------------------------------------------------------------------
-# ---
-# apiVersion: source.toolkit.fluxcd.io/v1beta1
-# kind: HelmRepository
-# metadata:
-#   name: velero
-#   namespace: flux-system
-# spec:
-#   interval: 1h
-#   url: https://vmware-tanzu.github.io/helm-charts
+#------------------------------------------------------------------------------
+#                                  Velero
+#------------------------------------------------------------------------------
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: velero
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://vmware-tanzu.github.io/helm-charts
diff --git a/kubernetes/metrics-server/helmrelease-metrics-server.yaml b/kubernetes/metrics-server/helmrelease-metrics-server.yaml
@@ -101,6 +101,7 @@ spec:
       - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
       - --kubelet-use-node-status-port
       - --metric-resolution=15s
+      - --kubelet-insecure-tls
 
     args: []
 

diff --git a/linux/bash/.bashrc b/linux/bash/.bashrc
@@ -37,6 +37,28 @@ alias k3mevall='kubectl get events -A --sort-by='{.metadata.creationTimestamp}'
 alias kcc='kind create cluster --image kindest/node:v1.21.12'
 alias kdc='kind delete cluster'
 
+# Flux aliases:
+alias fgall='flux get all'
+alias fghr='flux get helmrelease'
+alias fgiall='flux get image all'
+alias fgip='flux get image policy'
+alias fgir='flux get image repository'
+alias fgiu='flux get image update'
+alias fgk='flux get kustomization'
+alias fgsall='flux get source all'
+alias fgsb='flux get source bucket'
+alias fgsc='flux get source chart'
+alias fgsg='flux get source git'
+alias fgsh='flux get source helm'
+alias frhr='flux reconcile helmrelease'
+alias frir='flux reconcile image repository'
+alias friu='flux reconcile image update'
+alias frk='flux reconcile kustomization'
+alias frsg='flux reconcile source git'
+alias frsh='flux reconcile source helm'
+alias frsgc='flux reconcile source git cluster'
+alias frkc='flux reconcile kustomization cluster'
+
 # Others:
 
 export EDITOR=vim

diff --git a/prometheus/README.md b/prometheus/README.md
@@ -96,3 +96,17 @@ Restart and enable the prometheus:
 ```
 sudo systemctl enable --now prometheus
 ```
+
+## Authentication and Encryption
+
+Create the certificate
+
+```
+openssl req -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout node_exporter.key -out node_exporter.crt -subj "/C=BR/ST=MinasGerais/L=Ipatinga/O=marceleza/CN=localhost" -addext "subjectAltName = DNS:localhost"
+```
+
+Create the Hashing
+
+```
+htpasswd -nBC 12 "" | tr -d ':\n'
+```
diff --git a/prometheus/examples/01/Vagrantfile b/prometheus/examples/01/Vagrantfile
@@ -0,0 +1,39 @@
+#--------------------------------------------------------------
+# Vagrant file to run a simple multi VM along libvirt provider.
+#
+# Reference docs:
+# 1 - https://github.com/vagrant-libvirt/vagrant-libvirt
+# 2 - https://wiki.archlinux.org/title/Vagrant
+# 3 - https://wiki.archlinux.org/title/Libvirt
+# 4 - https://wiki.archlinux.org/title/KVM
+# 5 - https://wiki.archlinux.org/title/QEMU
+# 6 - https://roboxes.org
+#--------------------------------------------------------------
+
+VAGRANT_BOX         = "generic/ubuntu2204"
+VAGRANT_BOX_VERSION = "4.2.8"
+CPUS_SERVER         = 2
+MEMORY_SERVER       = 2048
+
+Vagrant.configure(2) do |config|
+
+  # Prometheus Server
+  config.vm.define "prometheus" do |node|
+
+    node.vm.box               = VAGRANT_BOX
+    node.vm.box_check_update  = false
+    node.vm.box_version       = VAGRANT_BOX_VERSION
+    node.vm.hostname          = "prometheus.marcelo.com"
+
+    node.vm.network "private_network", ip: "172.16.16.100"
+
+    config.vm.provider :libvirt do |v|
+      v.memory  = MEMORY_SERVER
+      v.cpus    = CPUS_SERVER
+    end   
+
+    node.vm.provision "shell", path: "prometheus-install.sh"
+
+  end
+
+end