# argocd

**Repository Path**: fearless11/argocd

## Basic Information

- **Project Name**: argocd
- **Description**: Deploy the service in Kubernetes using GitOps.
- **Primary Language**: Unknown
- **License**: LGPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-02-14
- **Last Updated**: 2025-06-05

## Categories & Tags

**Categories**: Uncategorized

**Tags**: Kubernetes

## README

[toc]

# argocd

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes.

- GitOps: user -> git -> argocd -> k8s
- https://argo-cd.readthedocs.io/en/stable/
- https://github.com/argoproj/argocd-example-apps/
- https://developer.aliyun.com/article/941524

---

## install

- https://argocd.devops.gold/getting_started

```sh
# version
# argocd-v2.13.2
# k8s-v1.20.6

kubectl create namespace argocd
kubectl -n argocd apply -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

# curl -o argocd.yaml https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml
# sed -i -e 's#ghcr.io/dexidp/dex:v2.41.1#hub.abc.com/basic/dex:v2.41.1#g;s#quay.io/argoproj/argocd:v2.13.2#hub.abc.com/basic/argocd:v2.13.2#g;s#redis:7.0.15-alpine#hub.abc.com/basic/redis:7.0.15-alpine#g' argocd-v2.13.2.yaml
# kubectl -n argocd apply -f argocd-v2.13.2.yaml

kubectl -n argocd get all

# fix: deployment.apps/argocd-repo-server
# issue: gpg ... --gen-key failed exit status 2
# https://github.com/argoproj/argo-cd/issues/9809
# remove configure deployment.apps/argocd-repo-server
# securityContext:
#   seccompProfile:
#     type: RuntimeDefault

# kubectl -n argocd get svc argocd-server
# kubectl -n argocd patch svc argocd-server -p '{"spec": {"type": "NodePort"}}'
kubectl -n argocd port-forward --address=0.0.0.0 svc/argocd-server 8080:80
# webUI login
# http://IP:8080 admin
# password
kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d


# CLI change password
curl -sSL -o /usr/local/bin/argocd https://github.com/argoproj/argo-cd/releases/download/v1.8.3/argocd-linux-amd64
chmod +x /usr/local/bin/argocd
argocd login IP:8080 --username admin --password kBmjcUaqKuO4x0Yo
argocd account update-password --account admin --current-password kBmjcUaqKuO4x0Yo --new-password admin123456
argocd app list
argocd app get argocd/kafka-ui
```

---

## usage

- http://IP:8080 - Settings - Repositories - https://gitlab.abc.com/devops/argocd.git
- kubectl apply -f application/kafka-ui.yaml
- kubectl get pods -A |grep kafka-ui

---

## case

### alpine

```sh
kubectl apply -f application/opstool.yaml
# kubectl apply -f k8s/opstool/alpine.yaml
```

### kafka-ui

- https://docs.kafka-ui.provectus.io/configuration/helm-charts/quick-start

```sh
# helm repo add kafka-ui https://provectus.github.io/kafka-ui-charts
# helm pull kafka-ui kafka-ui/kafka-ui

kubectl apply -f application/kafka-ui.yaml
# kubectl create ns opss
# helm install -n ops k8s/kafka-ui -f k8s/kafka-ui/values.yaml kafka-ui
# kubectl -n ops port-forward --address=0.0.0.0 svc/kafka-ui 8080:80
# http://IP:8080

kubectl get cm kafka-ui-fromvalues -o yaml
# apiVersion: v1
# data:
#   config.yml: |-
#     kafka:
#       clusters:
#       - bootstrapServers: 10.1.12.26:9092
#         name: test-kafka
#       - bootstrapServers: 10.1.12.3:9092
#         name: uat-kafka
kubectl edit cm kafka-ui-fromvalues
sleep 5
kubectl rollout restart deployment kafka-ui
```

### apollo

- https://www.apolloconfig.com/#/zh/deployment/distributed-deployment-guide

```sh
# helm repo add apollo https://charts.apolloconfig.com
# helm pull apollo/apollo-service --untar
# helm pull apollo/apollo-portal --untar

kubectl apply -f application/apollo.yaml
# kubectl create ns apollo
# helm install -n apollo k8s/apollo-service -f k8s/apollo-service/values.yaml apollo-service
# helm install -n apollo k8s/apollo-portal -f k8s/apollo-portal/values.yaml apollo-portal
```

### nacos

- https://github.com/nacos-group/nacos-k8s/tree/master/helm
- https://github.com/alibaba/nacos/blob/1.3.2/distribution/conf/nacos-mysql.sql

```sh
# docker pull mirror.ccs.tencentyun.com/nacos/nacos-server:1.3.2
# docker pull mirror.ccs.tencentyun.com/nacos/nacos-peer-finder-plugin:1.1

# mysql -h 127.0.0.1 -P3306 -uroot -pMysql -e 'create database nacos_test'
# mysql -h 127.0.0.1 -P3306 -uroot -pMysql -D nacos_test -e 'source /usr/local/nacos/conf/schema.sql'
# mysql -h 127.0.0.1 -P3306 -uroot -pMysql -e "create user 'nacos_test'@'%' identified by 'nacos#123456';"
# mysql -h 127.0.0.1 -P3306 -uroot -pMysql -e "grant all on nacos_test.* to 'nacos_test'@'%';"

kubectl apply -f application/nacos.yaml
kubectl -n nacos get all
kubectl -n nacos port-forward --address=0.0.0.0 svc/nacos-cs 8848:8848
```

### ingress-nginx

- https://github.com/kubernetes/ingress-nginx

```sh
# helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
# helm install ingress-nginx ingress-nginx/ingress-nginx

kubectl apply -f application/ingress-nginx.yaml
```

### elk

- https://www.elastic.co/guide/en/beats/filebeat/8.6/running-on-kubernetes.html

```sh
# curl -L -O https://raw.githubusercontent.com/elastic/beats/8.6/deploy/kubernetes/filebeat-kubernetes.yaml
# kubectl apply -f filebeat-kubernetes.yaml
kubectl apply -f application/filebeat.yaml

# helm repo add elastic https://helm.elastic.co
# helm repo update elastic
# helm pull logstash elastic/logstash
kubectl apply -f application/logstash.yaml
```

### metrics-server

- https://github.com/kubernetes-sigs/metrics-server
- https://cloud.tencent.com/developer/article/1645042

```sh
# kubectl top node
# k8s-version < 1.8 install Heapster
# k8s-version > 1.8 install metric-server

# wget -nc -O metrics-server.yaml https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
# kubectl apply -f k8s/metrics-server

kubectl apply -f application/metrics-server.yaml

kubectl get --raw /apis/metrics.k8s.io/v1beta1 | jq
kubectl get --raw /apis/metrics.k8s.io/v1beta1/nodes | jq
kubectl get --raw /apis/metrics.k8s.io/v1beta1/namespaces/kube-system/pods/metrics-server-67d889ddff-59rgg | jq

kubectl proxy --port 8001
curl http://127.0.0.1:8001/apis/metrics.k8s.io/v1beta1/namespaces/default/pods
```

### coredns

- https://github.com/coredns/coredns
- https://www.cnblogs.com/noah-luo/p/13345194.html
- https://cloud.tencent.com/developer/article/2353427

```sh
kubectl apply -f application/coredns.yaml
# kubectl apply -f k8s/coredns

dnsaddr=$(kubectl -n kube-system get svc kube-dns --no-headers  | awk '{print $3}')
dig kubernetes.default.svc.cluster.local @${dnsaddr} +short
ping kubernetes
ping kube-dns.kube-system.svc
nslookup kubernetes.default.svc.cluster.local
```