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K8s進捗報告
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かびさん@あおかびん
February 02, 2019
Technology
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K8s進捗報告
沖縄・宜野湾エンジニア勉強会 #6 in ギークハウス沖縄のLT発表資料です
かびさん@あおかびん
February 02, 2019
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Transcript
K8sਐḿใࠂ ۚ @d_ishitaka
ࣗݾհ • ͔ͼ͞Μˏऑ͍AI Twitter: @d_ishitaka • ླྀٿେֶֶ෦ใֶՊͷ4࣍ͷ24ࡀͰ͢ ࠓΞϥαʔͰ͢ • ݚڀ͠ͳ͕Β(?)TɾϫʔΫͯ͠·͢(ޏ༻/डୗ/४ҕ)
• AWSAbemaTVͰΠϯλʔϯͯͨ͠Γ͠·ͨ͠ • ͖ͳٕज़ΫϥυͱK8sͱGoͰ͢ • ब৬ઌະఆͰ͢ˡ
ࠓ͢͜ͱ • K8sॾʑͷਐḿใࠂ • VagrantΛͬͯKubernetesڥ • XxxxxxxΛಋೖͯ͠ര KubernetesΫϥελߏஙʁ
લճͨ͜͠ͱ
KubernetesΛ࢝Ίͨͱ͍͏ • ͬ͘͞Γ • DockerͷΫϥελϦϯάπʔϧͩʂ • ϓϩμΫγϣϯϨσΟͩʂ • ࠷ۙΫϥυ͕ରԠ࢝͠Ί͍ͯΔʂ •
DevOps͕Ճ͢Δʂʂʂ • ΊͬͪΌ͍͍Β͍͠ʂʂ
ͦͯ͠ɺલճ͔Βͷਐḿ
VagrantΛͬͯKubernetes • VagrantΛͬͯKubernetesڥΛ࡞ͬͨΓͯ͠·ͨ͠ • https://github.com/aokabin/kubernetes-practice/ issues
Kube-master Kube-node Kube-node ߏ
VagrantͬͯΈͯ • ྑ͍ • ಉ͡ڥΛ࡞Δͷ͕؆୯ʂ
VagrantͬͯΈͯ • ਏ͍ • ωοτϫʔΫͷઃఆʹؾΛ͚ͭͳ͍ͱେม • VagrantͱWi-FiͷωοτϫʔΫ͕ಉ͡ʹͳΔͱ͍͏͜ͱ͕͋ͬͯɺͪΌΜ ͱཧղͯ͠ͳ͍ͱେม • private_networkʹ໊લΛ͚ͭΔͱϗετ͔ΒଓͰ͖ͳ͍ͱ͔ɺͳΜ͔
৭ʑ͋ͬͨ • MacBook Pro1ͩͱߏ͢ΔͷʹεϖοΫ͕Γͳ͍ • Master1:Node2ͷߏɺͦͦKubernetesͷΤʔδΣϯτ͕·͊·͊Ϧ ιʔε৯͏ͷͰɺMaster2ίΞ2GBҎ্ɺNode2GBҎ্ͷεϖοΫ͕ ඞཁˠ4ίΞ6GBϝϞϦ৯ͪΌ͏
ͦͦϩʔΧϧʹK8sΜͰΈͯ • ྑ͍ • ͳΜͰͰ͖ͦ͏ͱ͍͏ສೳײ͕ ಘΒΕΔˡ
ͦͦVagrantʹK8sΜͰΈͯ • ਏ͍ • kubectlͷଓϋʔυϧ͕ҙ֎ͱߴ͍ • Vagrantͱ͍͏ΑΓɺΦϯϓϨߏஙͷϋʔυϧ • GKEAKSɺEKSK8sڥ͔ΒkubectlͰͷσϓϩΠ· Ͱ͕ΊͪΌͪ͘Ό؆୯ʹͰ͖Δ
• ϩʔϧɺΫϥελϩʔϧɺαʔϏεΞΧϯτ AuthenticationͷѲΛ͍ͯ͠ͳ͍ͱɺͦͦσϓϩΠ ·Ͱߦ͔ͳ͍ͱ͍͏͜ͱΛΒͳ͔ͬͨ
৽ͨͳݟͷೖख
Rancher Meetup
Rancher Meetup ߦ͚ͳ͔͚ͬͨͲʂʂʂ
ͱ͍͏Θ͚Ͱ • RancherΛಋೖ͠·ͨ͠
Rancherͱʁ • KubernetesΫϥελͷϚωʔδυαʔϏεΈ͍ͨͳͭ • ͋ΒΏΔϓϥοτϑΥʔϜ্ͷKubernetesΫϥελΛ ཧͰ͖Δʂ •
RancherΛͬͯΈͯ • ྑ͍ • Kuberneteڥͷߏங͕രʂʂ • μογϡϘʔυ͕ΊͬͪΌ៉ྷʂʂ • kubectlͷଓͱͯ؆୯ʂʂ •
ϩʔϧαʔϏεΞΧϯτσϑΥϧτͰઃ ఆ͞Ε͍ͯͯɺ͙͑͢Δʂʂ
RancherΛͬͯΈͯ • ਏ͍ • ϚγϯͷՃ࣌ɺωοτϫʔΫͷઃఆ͕(ry • rancher-agent͕ࣗಈىಈ͢Δίϯςφ͕ͳ͔ͥಈ͔ͳ͍ܥͷ(ಛ ʹূ໌ॻؔ)ɺղܾࡦ͕গͳ͗͢Δ • NodeͷՃ͕͏·͘ߦ͔ͳ͍ͱ͖ɺຊʹ͏·͘ߦ͔ͳͯͭ͘Β͍
• → ۜͷؙΛൃݟ͠·ͨ͠ • firewallͷઃఆͱ͔ɺͱʹ͔͘Rancherಠࣗͷαʔόʔઃఆ͕ҙ֎ͱଟ ͍(ͨͩɺҙ֎ͱSELinuxͱ͕͍͍)
·ͱΊ • K8sΛࣗͰؤுͬͯΉͱɺଟڥ࡞Δͷ͠ΜͲָ͗ͯ͘͢͠ແ͘ͳΔ • → RancherͰղܾ • ઌʹK8s͓͔ͬͯͳ͍ͱɺRancherΔͱ͖ʹɺௐࠪͷਂ͕͞ਂ͗ͯ͢ਏ͍ ͱࢥ͏ •
→ ಉ͡Α͏ʹDocker͓͔ͬͯͳ͍ͱK8sͷௐࠪͷਂ͕͞ਂ͗ͯ͢ਏ͍ͱ ࢥ͏ • RancherͬͯΫϥελΛ࡞ΔͱɺͳΜͰͰ͖Δͱ͍͏ສೳײΛಘΒΕΔͷ ͰɺRancherґଘʹͳΔ(ͳΒͳ͍) • Rancherશʹཧղͨ͠ͷͰɺK8sͬͨφ͍γεςϜͮ͘Γͷ͓ࣄืू
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
ࠓϋοΧʔζνϟϯϓϧʔདྷͯͶʂ • ԭೄͷΤϯδχΞͷ ͓ࡇΓʂʂ • ։࠵ఔ: 6݄ऴΘΓࠒ~7݄͡Ίࠒ