Kubernetes & Istio Service Mesh Using Rancher

Transcript

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   Kubernetes & Istio Service Mesh Using Rancher Rancher Meetup #2

   in Kobe Jan 11, 2019 Hama Shinichi(@track3jyo)
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   WHO?? • Hama Shinichi(@track3jyo) • Kobe Digital Labo Inc. -

   Cloud Native Team • Senior Cloud Architect • Rancher Meetup,͘͡Β΍,CNJP • Tech books,Rakugo!
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   Agenda 1. Why Rancher?? 2. Why Istio?? 3. Istio Using

   Rancher 4. Conclusion & Notification
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   Q:k8sݕূ͍͚ͨ͠Ͳɺ ߏங೉қ౓ߴ͗͢Δɾɾɾ (20୅ உੑ ΠϯϑϥΤϯδχΞ)

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   RancherΛ࢖͍·͠ΐ͏ʂ

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   Q:ϚΠΫϩαʔϏεԽͷͨΊk8sʹΑΔ ෼ࢄγεςϜΛߏங͚ͨ͠ͲɺίϚϯ υϕʔεͷૢ࡞΍ɺyamlͷӡ༻ͰࢮͶ Δɾɾɾ (30୅ ঁੑ ops)

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   RancherΛ࢖͍·͠ΐ͏ʂʂ

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   Q:୯७ʹঁͷࢠʹϞς͍ͨʂ (10୅ உੑ ֶੜ)

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   RancherΛ࢖͍·͠ΐ͏ʂʂʂ

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    Q:໨·͍΍ɺݞ͜Γ͕ͻͲ͍ɻ ࢓ࣄ͕ଟ͗ͯ͢ɺݏʹͳΔɾɾɾ ͳΜͱ͔͍ͨ͠ɾɾɾ (40୅ உੑ ؅ཧ৬)

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    ௕ظٳՋΛͱΓ·͠ΐ͏ʂʂʂ

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    Why Rancher?? • k8sͷखಈͷΠϯετʔϧ͸೉͍͠(production) • k8sΛ࢖ͬͨγεςϜӡ༻͸΋ͬͱ೉͍͠ɻ • ๚ΕΔyaml؅ཧ஍ࠈ • devops͕͔ͬ͠Γ܇࿅͞ΕͨνʔϜ͡Όͳ͍ͱ

    ݁ہΠϯϑϥΤϯδχΞͷॏΓ
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    Why difficult kubernetes?? • Microservice͕͔ͬ͠Γ܇࿅͞ΕͨνʔϜͷ݁Ռ࿦Ͱ ͋Δ • OperationsνʔϜ͕ҭ͍ͬͯͳ͍૊৫Ͱ͸ɺ Kubernetes΍ίϯςφͰՔಇ͢Δຊ൪؀ڥʹͲΜͲΜ αʔϏεΛ௥Ճ͍ͯ͘͠ͷ͸༰қͰ͸ͳ͍ɻ

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    CNCFͷϓϩμΫτ܈͸ਓؒʹ͸ ·ͩૣ͗͢Δɾɾɾ

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    Rancher͸͜ΕΒΛՈச(ڇ)ͱͯ͠ ѻ͑Δ΋ͷʹ͠·͢

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    Why Rancher?? • ϓϥοτϑΥʔϜΛબ͹ͳ͍

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    Why Rancher?? • RancherΧλϩάͷ๛෋͞ • ཉ͍͠ػೳɺΞϓϦΛϘλϯ̍ͭͰίϯςφΫϥελͱͯ͠ deploy

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    What's Rancher catalog?? • ໨తʹ߹Θͤͯෳ਺ͷίϯςφΛ·ͱΊͨͷ͕Stack • ͦͷstackΛ࡞੒͢ΔͨΊͷઃܭॻ͕Catalog • ࡞੒ͨ͠αʔϏεΛStackͱͯ͠·Δ͝ͱCatalogʹ͓͚ͯ͠ ͹ɺ؀ڥͷdeploy͕͍͢͝؆୯ʹͰ͖Δ

    Rancher ϓϥΠϕʔτΧλϩάͱCompose https://www.slideshare.net/m-daichang/rancher-compose
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    Why Rancher?? • node,pod܈ͷ؅ཧΛ༻ҙʹߦ͑ΔͨΊɺOpsͷোน͕௿͍

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    Why Rancher?? • node,pod܈ͷ؅ཧΛ༻ҙʹߦ͑ΔͨΊɺOpsͷোน͕௿͍

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    Why Rancher?? • node,pod܈ͷ؅ཧΛ༻ҙʹߦ͑ΔͨΊɺOpsͷোน͕௿͍

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    k8sΛར༻ͯ͠๚ΕΔ ӡ༻ɾ؅ཧͷ೉͠͞ɻ RancherͰϥοϐϯάͯ͠ ؅ཧΛ͢Δ͜ͱͰ ͩΕͰ΋͕෼ࢄγεςϜΛѻ͑ΔΑ͏ʹ

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    infrastructure as code΍ immutable infrastructureͱ͍͏ ݴ༿͸ͩΕ͕ͨΊʹ࢈·Εͨͷ͔

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    k8sͷӡ༻ΛRancherͰ શͯͷਓʹਓݖΛʂ

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    What's ServiceMesh?? • RancherͰk8sʹΑΔMicroserviceͳੈքͰਓݖΛಘͨ ਓͨͪ • ͕ͩɺɺMicroserviceԽ͞Εͨίϯϙʔωϯτ͕ͲΜͲ Μ૿͑ΔͱͲ͏ͳΔ͔ʁ

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    What's ServiceMesh?? • MicroserviceԽ͞Εͨίϯϙʔωϯτ͕ͲΜͲΜ૿͑Δ ͱͲ͏ͳΔ͔ʁ

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    ύτϥογϡ๻͸΋͏ർΕͨΑɾɾɾ

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    ServiceMeshͱ͍͏ݴ༿͸͜ͷMicroserviceಉ͕࢜ ௨৴͢ΔωοτϫʔΫͷ͜ͱ ࠷ۙ͸͜ͷ൥ࡶԽͨ͠Meshߏ଄Λ Ϛωʔδϝϯτ͢Διϑτ΢ΣΞͷҙຯͰ࢖ΘΕΔ

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    What's Istio?? ͜ͷෳࡶԽͨ͠ϚΠΫϩαʔϏεΛηΩϡΞʹɺ ɹ͍͍ͦͯ͠ײ͡ʹϚωʔδϝϯτ͢ΔͨΊͷOSS k8s pod಺ʹϓϩΩγ(envoy)Λsidecarͱͯ͠σϓϩΠ͢ΔͨΊ ΞϓϦέʔγϣϯίʔυΛมߋ͢Δ͜ͱͳ͘αʔϏεϝογϡͷػೳΛ௥ ՃՄೳ

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    What's Istio?? • ֤podʹαΠυΧʔͱͯ͠inject͞ΕΔDataPlane(Envoy) • pilot,Mixer,istioAuth͔ΒͳΔControl Plane • ݫີʹ͸Istio͸͜ͷControl Planeͷ͜ͱ

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    Data Planeʢenvoyʣ • ֤ServiceͷSidecarͱͯ͠proxyΛཱͯͯMicroserviceʹศ རͳػೳΛఏڙ͢Δ • ૣ͍࿩͕ɺWEBΞϓϦͷ্ஈʹ഑ஔ͢Δnginx • ΞϓϦέʔγϣϯ͸͜ͷϓϩΩγΛશ͘ҙࣝ͠ͳͯ͘ྑ͍ Service

    mesh data plane vs. control plane https://blog.envoyproxy.io/service-mesh-data-plane-vs-control- plane-2774e720f7fc
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    Control Plane(Istio) • data planeͷڍಈΛ੍ޚ͢ΔServiceMeshͷ಄೴ • ઌ΄ͲͷNginxͷྫͰݴ͏ͱɺNginxͷઃఆΛ࡞੒ɾߋ ৽͢Δਓؒ Service mesh

    data plane vs. control plane https://blog.envoyproxy.io/service-mesh-data-plane-vs-control- plane-2774e720f7fc
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    Istio Using Rancher • IstioΛαΠυΧʔϓϩΩγͰk8sʹinject͠Α͏ͱ͢Δͱ ·ͨ͜͜ͰίϚϯυͰ͝ʹΐ͝ʹΐɾɾɾ • ɾɾɾͱ͸ͳΓ·ͤΜʂʂ 
    DVSM
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    Istio Using Rancher • Rancher catalogʹ͋Γ·͢

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    Istio Using Rancher • ඞཁͳ߲໨͚ͩબ୒ͯ͠Launch

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    Istio Using Rancher • ֤छαʔϏε͕ىಈ͍ͯ͠Δ • istio-sidecar-injector͕͜ΕҎ߱ىಈ͢Δpodʹsidecar ͱͯ͠envoyΛࣗಈͰ࡞ͬͯ͘ΕΔ

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    Conclusion • RancherͰMicroserviceͷෑډΛ͛͞Δ • Microservice͕ਐΜͩ݁Ռ൥ࡶԽ͞ΕͨServiceMeshΛ IstioͰ੔ཧ͢Δ • Istioͷಋೖ͑͞΋RancherͳΒ༰қʹߦ͑Δ

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    RancherͰ Microservice,ServiceMeshΛ ѻ͏શͯͷਓʹਓݖΛʂ

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    2/1 Cloud Native Kansai @MOTEX !!

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    2/1 Cloud Native Kansai @MOTEX !!

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    https://cnjp.connpass.com/event/ 111646/ Look forward!!!!

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    Thank you for your attention!! @track3jyo