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< / style >
< link rel = "stylesheet" href = "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" >
< / head >
< body class = "article toc2 toc-right" >
< div id = "header" >
< h1 > Cloud computing - Service mesh and microservices networking!< / h1 >
< div class = "details" >
< span id = "author" class = "author" > Apostolos rootApostolos@swarmlab.io< / span > < br >
< / div >
< div id = "toc" class = "toc2" >
< div id = "toctitle" > Table of contents< / div >
< ul class = "sectlevel1" >
< li > < a href = "#_general_info" > 1. General info:< / a >
< ul class = "sectlevel2" >
< li > < a href = "#_timeframe" > 1.1. Timeframe:< / a > < / li >
< li > < a href = "#_what_will_i_learn" > 1.2. What will i learn?< / a > < / li >
< li > < a href = "#_what_tools_will_i_need" > 1.3. What tools will I need< / a > < / li >
< li > < a href = "#_what_students_can_take_this_course" > 1.4. What students can take this course< / a > < / li >
< li > < a href = "#_how_is_the_course_going_to_take_place" > 1.5. How is the course going to take place< / a > < / li >
< li > < a href = "#_will_there_be_some_kind_of_examcertificate_what_will_i_gain" > 1.6. Will there be some kind of exam/certificate? What will i gain?< / a > < / li >
< / ul >
< / li >
< li > < a href = "#_course_description" > 2. Course Description< / a >
< ul class = "sectlevel2" >
< li > < a href = "#_cloud_microservice" > 2.1. Cloud & microservice< / a >
< ul class = "sectlevel3" >
< li > < a href = "#_docker_app" > 2.1.1. docker app< / a > < / li >
< li > < a href = "#_docker_swarm" > 2.1.2. docker swarm< / a > < / li >
< li > < a href = "#_orchestration" > 2.1.3. Orchestration< / a > < / li >
< / ul >
< / li >
< li > < a href = "#_administer_and_maintain_a_swarm_of_docker_engines" > 2.2. Administer and maintain a swarm of Docker Engines< / a >
< ul class = "sectlevel3" >
< li > < a href = "#_manager_nodes" > 2.2.1. manager nodes< / a > < / li >
< li > < a href = "#_monitor_swarm_health" > 2.2.2. Monitor swarm health< / a > < / li >
< li > < a href = "#_scheduling_services_on_a_docker_swarm_mode_cluster" > 2.2.3. Scheduling Services on a Docker Swarm Mode Cluster< / a > < / li >
< li > < a href = "#_ansible" > 2.2.4. ansible< / a > < / li >
< / ul >
< / li >
< li > < a href = "#_create_service_on_nodes" > 2.3. Create service on nodes< / a > < / li >
< li > < a href = "#_monitoring_service_applications_communication" > 2.4. Monitoring - service applications communication< / a >
< ul class = "sectlevel3" >
< li > < a href = "#_real_time_datalog_collection" > 2.4.1. Real-Time data/Log Collection< / a > < / li >
< / ul >
< / li >
< li > < a href = "#_create_nosql_db_mongo_cluster" > 2.5. create noSQL DB (mongo cluster)< / a >
< ul class = "sectlevel3" >
< li > < a href = "#_create_replicas" > 2.5.1. create replicas< / a > < / li >
< / ul >
< / li >
< li > < a href = "#_central_web_admin_interface" > 2.6. central web admin interface< / a >
< ul class = "sectlevel3" >
< li > < a href = "#_vuejs" > 2.6.1. vuejs< / a > < / li >
< / ul >
< / li >
< / ul >
< / li >
< / ul >
< / div >
< / div >
< div id = "content" >
< div id = "preamble" >
< div class = "sectionbody" >
< div class = "sidebarblock" >
< div class = "content" >
< div class = "title" > Service mesh and microservices networking< / div >
< div class = "paragraph" >
< p > We will be trying to create a swarm implementation that will allow communication between all of the members/nodes.< / p >
< / div >
< div class = "admonitionblock note" >
< table >
< tr >
< td class = "icon" >
< i class = "fa icon-note" title = "Note" > < / i >
< / td >
< td class = "content" >
< div class = "paragraph" >
< div class = "title" > Imaging a swarm< / div >
< p > < span class = "image" > < img src = "data:image/png;base64,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
< / div >
< div class = "paragraph" >
< p > To undertand this better lets look at the picture bellow and imagine that red dots are iot devices that can send and receive and black ones are clients that gather data.< / p >
< / div >
< div class = "paragraph" >
< div class = "title" > Architecture of swarm communication< / div >
< p > < span class = "image" > < img src = "data:image/png;base64,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
< / div >
< div class = "ulist" >
< ul >
< li >
< p > Red Node: Server/Client and Gateway Role< / p >
< / li >
< li >
< p > Black and Red Node: Client Role< / p >
< / li >
< / ul >
< / div >
< / td >
< / tr >
< / table >
< / div >
< div class = "paragraph" >
< p > < strong > To make our life easier at this task we will be using the following tools… ​ < / strong > < / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > Docker < span class = "image" > < a class = "image" href = "https://en.wikipedia.org/wiki/Docker_(software)" target = "_blank" rel = "noopener" > < img src = "data:image/png;base64," alt = "link icon 16" > < / a > < / span > < / p >
< / li >
< li >
< p > Ansible < span class = "image" > < a class = "image" href = "https://en.wikipedia.org/wiki/Ansible_(software)" target = "_blank" rel = "noopener" > < img src = "data:image/png;base64," alt = "link icon 16" > < / a > < / span > < / p >
< / li >
< li >
< p > NodeJS < span class = "image" > < a class = "image" href = "https://en.wikipedia.org/wiki/Node.js" target = "_blank" rel = "noopener" > < img src = "data:image/png;base64," alt = "link icon 16" > < / a > < / span > < / p >
< / li >
< li >
< p > VueJS < span class = "image" > < a class = "image" href = "https://en.wikipedia.org/wiki/Vue.js" target = "_blank" rel = "noopener" > < img src = "data:image/png;base64," alt = "link icon 16" > < / a > < / span > < / p >
< / li >
< li >
< p > Redis < span class = "image" > < a class = "image" href = "https://en.wikipedia.org/wiki/Redis" target = "_blank" rel = "noopener" > < img src = "data:image/png;base64," alt = "link icon 16" > < / a > < / span > < / p >
< / li >
< li >
< p > MongoDB < span class = "image" > < a class = "image" href = "https://en.wikipedia.org/wiki/MongoDB" target = "_blank" rel = "noopener" > < img src = "data:image/png;base64," alt = "link icon 16" > < / a > < / span > < / p >
< / li >
< / ul >
< / div >
< / div >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "_general_info" > 1. General info:< / h2 >
< div class = "sectionbody" >
< div class = "sect2" >
< h3 id = "_timeframe" > 1.1. Timeframe:< / h3 >
< div class = "paragraph" >
< p > This is a project that will be deleveloped thoughout the semester 2021.< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_what_will_i_learn" > 1.2. What will i learn?< / h3 >
< div class = "paragraph" >
< p > You will learn to code, coordinate and orchestrate a swarm of self-acting nodes.< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_what_tools_will_i_need" > 1.3. What tools will I need< / h3 >
< div class = "paragraph" >
< p > Internet and a pc< / p >
< / div >
< div class = "paragraph" >
< p > For tool info please reffer to the tools section below.< / p >
< / div >
< div class = "paragraph" >
< p > Installation will be explained live.< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_what_students_can_take_this_course" > 1.4. What students can take this course< / h3 >
< div class = "paragraph" >
< p > Any student with basic knowledge of networking and computer programming should be able to cope with the needs.< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_how_is_the_course_going_to_take_place" > 1.5. How is the course going to take place< / h3 >
< div class = "paragraph" >
< p > The course will be divided into following parts< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > A list of videos, asciinemas and instructions explaining the project< / p >
< / li >
< li >
< p > lectures BASED ON THE VIDEOS for deeper analysis and questions< / p >
< / li >
< li >
< p > and a Gitter for further conversations kai na λύσεις οποιαδήποτε απορία σου απευθείας< / p >
< / li >
< / ul >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_will_there_be_some_kind_of_examcertificate_what_will_i_gain" > 1.6. Will there be some kind of exam/certificate? What will i gain?< / h3 >
< div class = "ulist" >
< ul >
< li >
< p > The will NOT be an exam or certificate.< / p >
< / li >
< li >
< p > You will gain contributions in form of commits and merge requests into larger projects, which you can then add to your C.V. and upgrade it.< / p >
< / li >
< / ul >
< / div >
< div class = "admonitionblock tip" >
< table >
< tr >
< td class = "icon" >
< i class = "fa icon-tip" title = "Tip" > < / i >
< / td >
< td class = "content" >
Just to give some context, < strong > contribution of code is regarded as the most important factor when choosing a software engineer< / strong > , thus making the course very helpful for future employment
< / td >
< / tr >
< / table >
< / div >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "_course_description" > 2. Course Description< / h2 >
< div class = "sectionbody" >
< div class = "sect2" >
< h3 id = "_cloud_microservice" > 2.1. Cloud & microservice< / h3 >
< div class = "sect3" >
< h4 id = "_docker_app" > 2.1.1. docker app< / h4 >
< div class = "paragraph" >
< p > The section guides you through the following activities:< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > Create a Dockerized Sample application< / p >
< / li >
< li >
< p > Start an app container< / p >
< / li >
< / ul >
< / div >
< / div >
< div class = "sect3" >
< h4 id = "_docker_swarm" > 2.1.2. docker swarm< / h4 >
< div class = "paragraph" >
< p > The section guides you through the following activities:< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > initializing a cluster of Docker Engines in swarm mode< / p >
< / li >
< li >
< p > adding nodes to the swarm< / p >
< / li >
< li >
< p > deploying application services to the swarm< / p >
< / li >
< li >
< p > managing the swarm once you have everything running< / p >
< / li >
< / ul >
< / div >
< / div >
< div class = "sect3" >
< h4 id = "_orchestration" > 2.1.3. Orchestration< / h4 >
< div class = "paragraph" >
< p > The section guides you through the following activities:< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > scale our containerized applications across clouds and datacenters< / p >
< / li >
< / ul >
< / div >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_administer_and_maintain_a_swarm_of_docker_engines" > 2.2. Administer and maintain a swarm of Docker Engines< / h3 >
< div class = "sect3" >
< h4 id = "_manager_nodes" > 2.2.1. manager nodes< / h4 >
< / div >
< div class = "sect3" >
< h4 id = "_monitor_swarm_health" > 2.2.2. Monitor swarm health< / h4 >
< / div >
< div class = "sect3" >
< h4 id = "_scheduling_services_on_a_docker_swarm_mode_cluster" > 2.2.3. Scheduling Services on a Docker Swarm Mode Cluster< / h4 >
< div class = "ulist" >
< ul >
< li >
< p > Scheduling Preferences< / p >
< / li >
< li >
< p > Rescheduling on Failure< / p >
< / li >
< / ul >
< / div >
< / div >
< div class = "sect3" >
< h4 id = "_ansible" > 2.2.4. ansible< / h4 >
< div class = "ulist" >
< ul >
< li >
< p > Using ansible to perform operations on managed nodes aka Configurations, deployment, and orchestration/automation< / p >
< / li >
< li >
< p > Deploying Docker Containers with Ansible< / p >
< / li >
< / ul >
< / div >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_create_service_on_nodes" > 2.3. Create service on nodes< / h3 >
< div class = "paragraph" >
< p > This section includes Docker images and an application for Node development using containers.< / p >
< / div >
< div class = "paragraph" >
< p > Create Real-time Application with< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > Node.js< / p >
< / li >
< li >
< p > Express.js< / p >
< / li >
< li >
< p > Socket.io< / p >
< / li >
< li >
< p > Redis< / p >
< / li >
< / ul >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_monitoring_service_applications_communication" > 2.4. Monitoring - service applications communication< / h3 >
< div class = "sect3" >
< h4 id = "_real_time_datalog_collection" > 2.4.1. Real-Time data/Log Collection< / h4 >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_create_nosql_db_mongo_cluster" > 2.5. create noSQL DB (mongo cluster)< / h3 >
< div class = "paragraph" >
< p > A replica set is a group of mongod processes that maintain the same data set< / p >
< / div >
< div class = "sect3" >
< h4 id = "_create_replicas" > 2.5.1. create replicas< / h4 >
< div class = "ulist" >
< ul >
< li >
< p > Replication in MongoDB< / p >
< / li >
< li >
< p > Change Streams< / p >
< div class = "ulist" >
< ul >
< li >
< p > work with the change stream cursor.< / p >
< / li >
< li >
< p > Watch Collection/Database/Deployment etc< / p >
< / li >
< / ul >
< / div >
< / li >
< / ul >
< / div >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "_central_web_admin_interface" > 2.6. central web admin interface< / h3 >
< div class = "paragraph" >
< p > Create a CRUD App< / p >
< / div >
< div class = "sect3" >
< h4 id = "_vuejs" > 2.6.1. vuejs< / h4 >
< div class = "paragraph" >
< p > Create single-page application< / p >
< / div >
< / div >
< / div >
< / div >
< / div >
< / div >
< / body >
< / html >
