diff --git a/Chart.yaml b/Chart.yaml new file mode 100644 index 0000000..a6a8b2c --- /dev/null +++ b/Chart.yaml @@ -0,0 +1,13 @@ +apiVersion: v2 +name: todo +description: Django-ToDo App +type: application +version: 0.1.0 +appVersion: latest + +dependencies: +- name: postgresql + version: 9.1.2 + appVersion: 11.8.0 + repository: https://charts.bitnami.com/bitnami + diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..5266c81 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,10 @@ +FROM python:3.6-alpine +WORKDIR /app +RUN apk add gcc postgresql-dev openssl-dev musl-dev git && \ + git clone https://github.com/shacker/gtd.git . && \ + pip install pipenv && \ + pipenv --python 3.6 && \ + pipenv install --dev +ADD local.py project/. +ADD init.sh . +CMD [ "./init.sh" ] diff --git a/ansible.cfg b/ansible.cfg new file mode 100644 index 0000000..b21d257 --- /dev/null +++ b/ansible.cfg @@ -0,0 +1,10 @@ +[defaults] +allow_world_readable_tmpfiles=True +pipelining=True +retry_files_enabled = False +inventory = inventory +roles_path = roles +library = library +remote_tmp = /root/.ansible/tmp +[connection] +pipelining=True diff --git a/bootstrap.yml b/bootstrap.yml new file mode 100644 index 0000000..1928037 --- /dev/null +++ b/bootstrap.yml @@ -0,0 +1,6 @@ +--- +- name: bootstrap playbook for any k8s machine + hosts: k8s + become: yes + roles: + - bootstrap diff --git a/init.sh b/init.sh new file mode 100755 index 0000000..16c34f3 --- /dev/null +++ b/init.sh @@ -0,0 +1,3 @@ +#!/bin/sh +pipenv run python manage.py migrate todo +pipenv run python manage.py runserver 0.0.0.0:8080 diff --git a/inventory/hosts b/inventory/hosts new file mode 100644 index 0000000..314c534 --- /dev/null +++ b/inventory/hosts @@ -0,0 +1,2 @@ +[k8s] +kubetest ansible_connection=local diff --git a/local.py b/local.py new file mode 100644 index 0000000..9be73b1 --- /dev/null +++ b/local.py @@ -0,0 +1,32 @@ +# Overrides +from .settings import * # noqa: F401 +import os + +ALLOWED_HOSTS = ['*'] +DEBUG = True + +SECRET_KEY = os.environ['SECRET_KEY'] + +DEBUG = True + +DATABASES = { + 'default': { + 'ENGINE': 'django.db.backends.postgresql', + 'NAME': os.environ['DATABASE_NAME'], + 'HOST': os.environ['DATABASE_HOST'], + 'USER': os.environ['DATABASE_USER'], + 'PASSWORD': os.environ['DATABASE_PASSWORD'], + # 'PORT': int(os.environ['DATABASE_PORT']), + # 'USER': 'django', + # 'PASSWORD': '123Asd123', + 'PORT': '', + }, +} + +EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend' + +# TODO-specific settings +TODO_STAFF_ONLY = False +TODO_DEFAULT_LIST_SLUG = 'tickets' +TODO_DEFAULT_ASSIGNEE = None +TODO_PUBLIC_SUBMIT_REDIRECT = '/' diff --git a/roles/bootstrap/defaults/main.yml b/roles/bootstrap/defaults/main.yml new file mode 100644 index 0000000..407b93e --- /dev/null +++ b/roles/bootstrap/defaults/main.yml @@ -0,0 +1,5 @@ +k8s_version: '1.17.5' +kubernetes_apt_release_channel: main +kubernetes_apt_repository: "deb http://apt.kubernetes.io/ kubernetes-xenial {{ kubernetes_apt_release_channel }}" +helm_apt_repository: "deb https://baltocdn.com/helm/stable/debian/ all main" +docker_apt_repository: "deb [arch=amd64] https://download.docker.com/linux/debian/ stretch stable" diff --git a/roles/bootstrap/tasks/main.yml b/roles/bootstrap/tasks/main.yml new file mode 100644 index 0000000..899924a --- /dev/null +++ b/roles/bootstrap/tasks/main.yml @@ -0,0 +1,90 @@ +--- +- name: Ensure dependencies are installed. + apt: + name: + - apt-transport-https + - ca-certificates + - qemu-kvm + - libvirt-clients + - libvirt-daemon-system + state: present + +- name: Add Docker apt key. + apt_key: + url: https://download.docker.com/linux/debian/gpg + state: present + +- name: Add Helm apt key. + apt_key: + url: https://helm.baltorepo.com/organization/signing.asc + state: present + +- name: Add Kubernetes apt key. + apt_key: + url: https://packages.cloud.google.com/apt/doc/apt-key.gpg + state: present + +- name: Add Kubernetes repository. + apt_repository: + repo: "{{ kubernetes_apt_repository }}" + state: present + update_cache: true + +- name: Add Helm repository. + apt_repository: + repo: "{{ helm_apt_repository }}" + state: present + update_cache: true + +- name: Add Docker repository. + apt_repository: + repo: "{{ docker_apt_repository }}" + state: present + update_cache: true + +- name: Installing kubectl, docker. + apt: + pkg: + - kubectl={{ k8s_version }}-00 + - docker-ce-cli + update_cache: yes + +- name: Add Kubernetes apt preferences file to pin a version. + template: + src: apt-preferences-kubernetes.j2 + dest: /etc/apt/preferences.d/kubernetes + +- name: Downloading Minikube. + get_url: + url: https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 + dest: /usr/local/bin/minikube + +- name: Fix permissions for Minicube binary. + shell: chmod +x /usr/local/bin/minikube + +- name: Installing Docker Machine KVM driver. + get_url: + url: https://storage.googleapis.com/minikube/releases/latest/docker-machine-driver-kvm2 + dest: /usr/local/bin/docker-machine-driver-kvm2 + +- name: Fix permissions for KVM driver. + shell: chmod +x /usr/local/bin/docker-machine-driver-kvm2 + +- name: Configuring Minikube default driver + shell: minikube config set vm-driver kvm2 + +- name: Installing Helm. + apt: + name: + - helm + state: present + + +#- name: Installing Werf. +# get_url: +# url: https://dl.bintray.com/flant/werf/v1.1.19+fix10/werf-linux-amd64-v1.1.19+fix10 +# dest: /usr/local/bin/werf +# +#- name: Fix permissions for Werf.io. +# shell: chmod +x /usr/local/bin/werf + diff --git a/roles/bootstrap/templates/apt-preferences-kubernetes.j2 b/roles/bootstrap/templates/apt-preferences-kubernetes.j2 new file mode 100644 index 0000000..3bacc57 --- /dev/null +++ b/roles/bootstrap/templates/apt-preferences-kubernetes.j2 @@ -0,0 +1,3 @@ +Package: kubectl +Pin: version {{ k8s_version }}.* +Pin-Priority: 1000 diff --git a/runme.sh b/runme.sh new file mode 100755 index 0000000..afff386 --- /dev/null +++ b/runme.sh @@ -0,0 +1,30 @@ +#!/bin/sh +cuser=`whoami` +helm='/usr/sbin/helm' +# Installing minikube +sudo ansible-playbook bootstrap.yml +sudo adduser ${cuser} libvirt +# Init minikube +minikube start --vm-driver kvm2 +# Time to Deploy something into our cluster +eval $(minikube docker-env) +docker build -t todo . && \ + kubectl create secret generic todo-secrets \ + --from-literal=SECRET_KEY='It5R3411iR4nd0M5tr1Ng' \ + --from-literal=DATABASE_NAME='django' \ + --from-literal=DATABASE_HOST='todo-postgresql.default.svc.cluster.local' \ + --from-literal=DATABASE_USER='postgres' +${helm} repo add stable https://kubernetes-charts.storage.googleapis.com +${helm} repo add bitnami https://charts.bitnami.com/bitnami +#${helm} install postgres --set postgresqlDatabase=django bitnami/postgresql +${helm} dependency build +${helm} upgrade -i todo --set postgresql.postgresqlDatabase=django . -f values.yaml + while true ; do + echo "Waiting for pods..." + result=$(kubectl get pods | grep -cv Running) + if [ $result -le 1 ] ; then + minikube service todo + break + fi + sleep 10 + done diff --git a/templates/NOTES.txt b/templates/NOTES.txt new file mode 100644 index 0000000..922ed1d --- /dev/null +++ b/templates/NOTES.txt @@ -0,0 +1,21 @@ +1. Get the application URL by running these commands: +{{- if .Values.ingress.enabled }} +{{- range $host := .Values.ingress.hosts }} + {{- range .paths }} + http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }} + {{- end }} +{{- end }} +{{- else if contains "NodePort" .Values.service.type }} + export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "todo.fullname" . }}) + export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") + echo http://$NODE_IP:$NODE_PORT +{{- else if contains "LoadBalancer" .Values.service.type }} + NOTE: It may take a few minutes for the LoadBalancer IP to be available. + You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "todo.fullname" . }}' + export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "todo.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}") + echo http://$SERVICE_IP:{{ .Values.service.port }} +{{- else if contains "ClusterIP" .Values.service.type }} + export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "todo.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}") + echo "Visit http://127.0.0.1:8080 to use your application" + kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:80 +{{- end }} diff --git a/templates/_helpers.tpl b/templates/_helpers.tpl new file mode 100644 index 0000000..d03168e --- /dev/null +++ b/templates/_helpers.tpl @@ -0,0 +1,63 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "todo.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "todo.fullname" -}} +{{- if .Values.fullnameOverride -}} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- $name := default .Chart.Name .Values.nameOverride -}} +{{- if contains $name .Release.Name -}} +{{- .Release.Name | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}} +{{- end -}} +{{- end -}} +{{- end -}} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "todo.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Common labels +*/}} +{{- define "todo.labels" -}} +helm.sh/chart: {{ include "todo.chart" . }} +{{ include "todo.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end -}} + +{{/* +Selector labels +*/}} +{{- define "todo.selectorLabels" -}} +app.kubernetes.io/name: {{ include "todo.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end -}} + +{{/* +Create the name of the service account to use +*/}} +{{- define "todo.serviceAccountName" -}} +{{- if .Values.serviceAccount.create -}} + {{ default (include "todo.fullname" .) .Values.serviceAccount.name }} +{{- else -}} + {{ default "default" .Values.serviceAccount.name }} +{{- end -}} +{{- end -}} diff --git a/templates/deployment.yaml b/templates/deployment.yaml new file mode 100644 index 0000000..1441ddc --- /dev/null +++ b/templates/deployment.yaml @@ -0,0 +1,94 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ include "todo.fullname" . }} + labels: + {{- include "todo.labels" . | nindent 4 }} +spec: + replicas: {{ .Values.replicaCount }} + selector: + matchLabels: + {{- include "todo.selectorLabels" . | nindent 6 }} + template: + metadata: + labels: + {{- include "todo.selectorLabels" . | nindent 8 }} + spec: + {{- with .Values.imagePullSecrets }} + imagePullSecrets: + {{- toYaml . | nindent 8 }} + {{- end }} + serviceAccountName: {{ include "todo.serviceAccountName" . }} + securityContext: + {{- toYaml .Values.podSecurityContext | nindent 8 }} + initContainers: + - args: + - -wait + - tcp://todo-postgresql.default.svc.cluster.local:5432 + - -timeout + - 600s + image: jwilder/dockerize + imagePullPolicy: Always + name: waitfor + resources: + limits: + cpu: 100m + memory: 64Mi + containers: + - name: {{ .Chart.Name }} + securityContext: + {{- toYaml .Values.securityContext | nindent 12 }} + image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + env: + - name: SECRET_KEY + valueFrom: + secretKeyRef: + name: todo-secrets + key: SECRET_KEY + - name: DATABASE_NAME + valueFrom: + secretKeyRef: + name: todo-secrets + key: DATABASE_NAME + - name: DATABASE_HOST + valueFrom: + secretKeyRef: + name: todo-secrets + key: DATABASE_HOST + - name: DATABASE_USER + valueFrom: + secretKeyRef: + name: todo-secrets + key: DATABASE_USER + - name: DATABASE_PASSWORD + valueFrom: + secretKeyRef: + name: todo-postgresql + key: postgresql-password + ports: + - name: http + containerPort: 8080 + protocol: TCP + livenessProbe: + httpGet: + path: / + port: http + readinessProbe: + httpGet: + path: / + port: http + resources: + {{- toYaml .Values.resources | nindent 12 }} + {{- with .Values.nodeSelector }} + nodeSelector: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: + {{- toYaml . | nindent 8 }} + {{- end }} diff --git a/templates/ingress.yaml b/templates/ingress.yaml new file mode 100644 index 0000000..06b1400 --- /dev/null +++ b/templates/ingress.yaml @@ -0,0 +1,41 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "todo.fullname" . -}} +{{- $svcPort := .Values.service.port -}} +{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}} +apiVersion: networking.k8s.io/v1beta1 +{{- else -}} +apiVersion: extensions/v1beta1 +{{- end }} +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + {{- include "todo.labels" . | nindent 4 }} + {{- with .Values.ingress.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +spec: +{{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} +{{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ .host | quote }} + http: + paths: + {{- range .paths }} + - path: {{ . }} + backend: + serviceName: {{ $fullName }} + servicePort: {{ $svcPort }} + {{- end }} + {{- end }} +{{- end }} diff --git a/templates/service.yaml b/templates/service.yaml new file mode 100644 index 0000000..ba6f57d --- /dev/null +++ b/templates/service.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "todo.fullname" . }} + labels: + {{- include "todo.labels" . | nindent 4 }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: http + protocol: TCP + name: http + selector: + {{- include "todo.selectorLabels" . | nindent 4 }} diff --git a/templates/serviceaccount.yaml b/templates/serviceaccount.yaml new file mode 100644 index 0000000..5270cec --- /dev/null +++ b/templates/serviceaccount.yaml @@ -0,0 +1,8 @@ +{{- if .Values.serviceAccount.create -}} +apiVersion: v1 +kind: ServiceAccount +metadata: + name: {{ include "todo.serviceAccountName" . }} + labels: +{{ include "todo.labels" . | nindent 4 }} +{{- end -}} diff --git a/templates/tests/test-connection.yaml b/templates/tests/test-connection.yaml new file mode 100644 index 0000000..2488e26 --- /dev/null +++ b/templates/tests/test-connection.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Pod +metadata: + name: "{{ include "todo.fullname" . }}-test-connection" + labels: +{{ include "todo.labels" . | nindent 4 }} + annotations: + "helm.sh/hook": test-success +spec: + containers: + - name: wget + image: busybox + command: ['wget'] + args: ['{{ include "todo.fullname" . }}:{{ .Values.service.port }}'] + restartPolicy: Never diff --git a/values.yaml b/values.yaml new file mode 100644 index 0000000..d3c4995 --- /dev/null +++ b/values.yaml @@ -0,0 +1,79 @@ +replicaCount: 1 +image: + repository: todo + pullPolicy: Never +serviceAccount: + create: true +service: + type: NodePort + port: 80 +ingress: + enabled: false +postgresql: +# postgresqlPassword: postgres + global: + postgresql: {} + image: + registry: docker.io + repository: bitnami/postgresql + tag: 12.3.0-debian-10-r74 + pullPolicy: IfNotPresent + debug: false + volumePermissions: + enabled: true + image: + registry: docker.io + repository: bitnami/minideb + tag: stretch + pullPolicy: IfNotPresent + securityContext: + runAsUser: 0 + securityContext: + enabled: true + fsGroup: 1001 + runAsUser: 1001 + serviceAccount: + enabled: true + replication: + enabled: false + postgresqlDataDir: /bitnami/postgresql/data + ldap: + enabled: false + service: + type: ClusterIP + port: 5432 + shmVolume: + enabled: true + persistence: + enabled: true + mountPath: /bitnami/postgresql + subPath: "" + accessModes: + - ReadWriteOnce + size: 4Gi + annotations: {} + updateStrategy: + type: RollingUpdate + resources: + requests: + memory: 256Mi + cpu: 250m + networkPolicy: + enabled: false + allowExternal: true + livenessProbe: + enabled: true + initialDelaySeconds: 30 + periodSeconds: 10 + timeoutSeconds: 5 + failureThreshold: 6 + successThreshold: 1 + readinessProbe: + enabled: true + initialDelaySeconds: 5 + periodSeconds: 10 + timeoutSeconds: 5 + failureThreshold: 6 + successThreshold: 1 + metrics: + enabled: false