Kbot v1.0.10

live url:

t.me/dkzippa_bot

optional:

• use https://github.com/cosmtrek/air
• change/use Makefile
• use .env file with godotenv

mandatory:

• create repo github.com/dkzippa/prometheus-kbot
• go mod init github.com/dkzippa/prometheus-kbot
• go get when have dependencies
• go install github.com/spf13/cobra-cli@latest
• cobra-cli init
• cobra-cli add version
• cobra-cli add kbot
• go run main.go
• go run main.go version
• compile make compile or go build -x --ldflags="-X 'github.com/dkzippa/prometheus-kbot/cmd.appVersion=v1.0.0'"
• ./prometheus-kbot version
• use gopkg.in for telebot
• gofmt -s -w ./
• go get
• go build -x --ldflags="-X 'github.com/dkzippa/prometheus-kbot/cmd.appVersion=v1.0.1'"
• create new bot 'kbot' 'dkzippa_kbot' in godfather
• read -s TELE_TOKEN
• (command+v)
• export TELE_TOKEN
• go to t.me/dkzippa_bot and test

Build in Docker image for different platforms

• add Makefile

  • build app for diff platforms: linux, macos, windows, arm
  • add clean, format for the kbot app
  • add docker image building

• add Dockerfile

  • use multistage build
  • create image from goland and build the app with make <platform>
  • create image from scratch and run kbot app in it(copy from dev image)

• add .dockerignore

• commit, push git codebase

• don't forget to add tags

• push image to registry(dockerhub login)

• test all on other stages

RUN in docker or kubernetes

• change ENTRYPOINT ["./kbot"] to ENTRYPOINT ["./kbot", "prometheusKbot"] to have it running
• pass TELE_TOKEN as env
• commit, push
• add version tag like v1.0.5, push tags
• test image in docker
  • docker run -ti dkzippa/prometheus-kbot:v1.0.6-ca17012-amd64
  • docker run -ti -e TELE_TOKEN=... dkzippa/prometheus-kbot:v1.0.6-ca17012-amd64
• test image in deployment
  • k create deploy kbot-test --image dkzippa/prometheus-kbot:v1.0.6-ca17012-amd64

ADD HELM

• helm create helm

• change Chart.yaml name to app name prometheus-kbot

• test deploy by helm helm template prometheus-kbot ./helm -s templates/deployment.yaml | k apply -f -

• commit, push

• set tag, push tags git push --tags

• helm package ./helm

• gh release create

• gh release list

• gh release upload v1.0.6 prometheus-kbot-0.0.6.tgz

• helm install prometheus-kbot https://github.com/dkzippa/prometheus-kbot/releases/download/v1.0.6/prometheus-kbot-0.0.6.tgz

• helper commands:

  • work with secret:
    • k create secret generic kbot --from-literal=token=... # converts to base64 automatically
    • to recheck: echo -n "..." | base64
    • see if it is correct: k get secrets kbot -o yaml
    • k delete secret/kbot
  • check logs of 1st pod:
    • k get po && POD="pod/$(k get po -o jsonpath='{.items[0].metadata.name}')" && k describe $POD && k logs $POD -f
  • delete 1st deploy:
    • k get deploy && k delete "deployment.apps/$(k get deploy -o jsonpath='{.items[0].metadata.name}')"

use github pipeline

• test ghcr.io/dkzippa

  • create personal token with permissions for packages operations(read, write) and repo(write) to push changes later
  • CR_PAT=... && echo $CR_PAT | docker login ghcr.io -u USERNAME --password-stdin
  • make image push REGISTRY=ghcr.io/dkzippa APP=prometheus-kbot
  • docker inspect ghcr.io/dkzippa/prometheus-kbot:v1.0.6-2eea280-arm64
  • docker run -e TELE_TOKEN=... -ti ghcr.io/dkzippa/prometheus-kbot:v1.0.6-2eea280-arm64

• add github worflows and actions

  • test updating version
    • VERSION=$(git describe --tags --abbrev=0)-$(git rev-parse --short HEAD) && echo $VERSION
    • export TEST_VERSION2=$(git describe --tags --abbrev=0)-$(git rev-parse --short HEAD) && echo $TEST_VERSION2 && yq -i '.image.tag=strenv(TEST_VERSION2)' ./helm/values.yaml
  • commit and push with tags
    • MSG="github ci/cd implemented" && git add --all && git commit -m $MSG && git push -u origin develop

update version to v1.0.10 with tag to test deployment

• MSG="version v1.0.10 fix" && git add --all && git commit -m $MSG && git push -u origin develop
• git tag v.1.0.10 && git push --tags