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DevOps Project

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DevOps Project, the configuration file uploaded to my github,

https://github.com/OsamaOracle/DevOps-Project

Publicado en: Tecnología
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DevOps Project

  1. 1. Table ofContents Project Implementation .....................................................................3 Executive Overview ..........................................................................3 Problem definition............................................................................3 Code Pre-requisites...........................................................................3 Run the Code...................................................................................3 what will happen with this Start.sh file....................................................4 Files using to do the deployments ..........................................................4 Note:.......................................................................................................................4 Code Descriptions.............................................................................5 Deployment.Yaml ...................................................................................................5 DockerFile ..............................................................................................................6 Start.sh ...................................................................................................................7 App.py ....................................................................................................................8
  2. 2. Project Implementation Executive Overview The purpose of this project is to: 1. Create endpoints using python language include with HTTP Service. 2. Deploy HTTP Services using Kubernetes. 3. Share the code and documentation. Table 1 Project Scope Task name Task Deliverable YAML File Troubleshooting Working YAML file to deploy the code Short Term Changes Documentation. High Level Diagram of alternatives Documentation. Problem definition TheaimoftestistocreateasimpleHTTPservicethatstoresandreturnsconfigurationsthatsatisfy certain conditions. Since we love automating things, the service should be automatically deployed to Kubernetes. Code Pre-requisites 1. Docker installs in your pc 2. working Kubernetes Cluster or Mini cube 3. Kubectl install in your pc 4. Docker hubaccount Run theCode 1. Go to Projectfolder 2. Run start.sh
  3. 3. what will happen with this Start.sh file 1. Build docker image with Python Code 2. Push this docker image to docker registry 3. Create Deployment in Kubernetes cluster using uploaded docker image 4. Create Replication Controller 5. ExposethisReplication Controller as a Serviceto access from outside the Kubernetes cluster Files using to do the deployments File name Descriptions Docker file this will use to create docker image Deployment.Yaml This will use to create Deployment inside the Kubernetescluster. Inthisfilewecanmentionalldetailssuch as docker image name ports environment variable details and everything Start.sh Contains Command lines to start the deployment and Runt the Project app.py This is the endpoint structure and return the HTTP status codes. Note:- • inyour Deployment.Yaml fileyouhave toreplace<user_dockerhub_username> partwith your docker hubusername. • in start.sh file also you have to change <user_dockerhub_username> and <user_dockerhub_passowrd> • Oncethestart.shwillbedonetheoutputwillbelikethefollowing,copythatExternal-IP and brows it through the browser.:- NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE hello-web LoadBalancer 10.245.85.187 157.230.75.39 80:30522/TCP 4d22h
  4. 4. Code Descriptions Deployment.Yaml Figure 1 Screensht of YAML FILE As you see from the above Figure which is Data-structure hierarchy is maintained by outline indentation, the abovefile • A Deployment named Python-app-deployment is created, indicated bythe .metadata.name field. • The Deployment creates two replicated Pods, indicated by the replicas field. • simplyselectalabelthatisdefinedinthePodtemplate(app:python-app),However,more sophisticated selection rules are possible, as long as the Pod template itself satisfies therule. • The template field contains the following sub-fields: o The Pods are labeled app: python-app the labels field. o Create one container and name it python-app using the name field.
  5. 5. DockerFile Figure 2 Dockerfile code build images automatically by reading the instructions from a Dockerfile. • TheFROM instruction initializes anewbuildstageandsetstheBaseImageforsubsequent instructions. • The WORKDIRlinespecifies a newdefaultdirectorywithintheimage'sfile system. • Copy command let you copy files from a specific location into a Docker image. • CMDistoprovidedefaultsforanexecutingcontainer,AddthelastlinetoyourDockerfileto execute the script.
  6. 6. Start.sh Figure 3 Start.sh Code Thisfilecontainsdifferentcommandlinethatshouldbeexecutedtobuildtheimageandloginto your docker hub, please replace with your username for valid deployment otherwise the deployment will be invalid, and it will generate an error.
  7. 7. App.py Figure 4 Python code This is contains HTTP Services with the following endpoints Name Method URL List GET /configs Create POST /configs Get GET /configs/{name} Update PUT/PATCH /configs/{name} Delete PUT/PATCH /configs/{name} Query GET /search?metadata.key=value

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