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Kubernetesを使うことによるメリットと注意点
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jogannaoki
July 17, 2019
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Kubernetesを使うことによるメリットと注意点
jogannaoki
July 17, 2019
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Transcript
,VCFSOFUFTΛ͏͜ͱ ʹΑΔϝϦοτͱҙ "84ࣄۀຊ෦ίϯαϧςΟϯά෦؛ر
ࠓ͢͜ͱ w ,VCFSOFUFTͱʢͬ͘͟Γ w ,VCFSOFUFTΛ͏͜ͱʹΑΔϝϦοτ w ,VCFSOFUFTͷҙ
,VCFSOFUFTͱ
,VCFSOFUFTͱ w ίϯςφԽ͞ΕͨΞϓϦέʔγϣϯΛಈ͔ͨ͢ ΊͷϓϥοτϑΥʔϜ w σϓϩΠɺεέʔϦϯάͳͲΛࣗಈԽ w ίϯςφΦʔέετϨʔγϣϯπʔϧͷσϑΝ Ϋτ
Nodes Master Kubernetes Cluster ,VCFSOFUFTͷΠϯϑϥߏ
Nodes Master ,VCFSOFUFTͷΠϯϑϥߏ ɾk8sΫϥελΛཧ͢ΔͨΊͷ ίϯϙʔωϯτ܈ ɾk8sཧ༻ͷΤϯυϙΠϯτͳͲ Kubernetes Cluster
Master ,VCFSOFUFTͷΠϯϑϥߏ ɾίϯςφͷ࣮ߦڥ Nodes Kubernetes Cluster
,VCFSOFUFTͷجຊૢ࡞ Nginxίϯςφ࡞͍ͨ͠ͳʔ LTͷΦϒδΣΫτΛఆٛͨ͠ϚχϡϑΣετϑΝΠϧΛ࡞ $-*πʔϧʢLVCFDUMʣͳͲΛར༻͠Ϋϥελʹର͠σϓϩΠࢦࣔ $ kubectl apply -f pod.yaml Master
ͬ͘͟Γݴ͏ͱ LTΫϥελ͕͋Δલఏ
:".-Λॻ͘
Master σϓϩΠࢦࣔ $ kubectl apply -f pod.yaml
/PEFʹίϯςφ͕ஔ͞ΕΔ Nodes Master Nginxίϯςφσϓϩͯ͠ʔ Γΐ͏͔͍
,VCFSOFUFTΛ ͏͜ͱʹΑΔϝϦοτ
*OGSBTUSVDUVSFBT$PEF ʹΑΔߏཧ
Nodes Master ΫϥελͷϦιʔε:".-Ͱ ཧ YAML k8sͷΦϒδΣΫτΛYAMLͰఆ ٛͰ͖Δ ผΫϥελͰಉ࣮͡ߦڥΛߏங ͢Δͷ༰қ
ΤίγεςϜͷ͕Γͱ࿈ܞ
ͲΜͲΜग़ͯ͘ΔLTͷΤίγεςϜ
ύοέʔδϚωʔδϟ
w ΞϓϦέʔγϣϯΛՄಈͤ͞ΔͨΊͷߏϑΝ ΠϧΛ·ͱΊͯσϓϩΠ͢Δπʔϧ w ༷ʑͳΞϓϦέʔγϣϯͷςϯϓϨʔτ͕ެ։ ͞Ε͍ͯΔ
$%πʔϧ
w ϚϧνΫϥυڥͷܧଓతσϦόϦʔπʔϧ w ΧφϦΞϦϦʔεͳͲߴͳσϓϩΠΛ࣮ݱ͢Δ ͜ͱՄೳ
w (JU0QTΛ࣮ݱ͢ΔͨΊͷπʔϧ w Ϋϥελͷதʹ"SHP$%ͷίϯϙʔωϯτΛσ ϓϩΠ͠(JU)VC্ͷϚχϡϑΣετͱಉظ w 6*͕៉ྷ
ࢹɺϚΠΫϩαʔϏεɺ ηΩϡϦςΟɺɺɺ
ڊਓͷݞʹΕΔ
,VCFSOFUFTͷҙ
ӡ༻ʹ͓͍ͯ
ΫϥελΞοϓσʔτͷै w ,VCFSOFUFT &,4 ϲ݄ʹճΞοϓσʔτ w αϙʔτ͞ΕΔόʔδϣϯ࠷৽͔Βόʔδϣ ϯ·Ͱ w Ξοϓσʔτʹै͍ͯ͘͠ඞཁ͕͋Δ
͕ൃੜͨ࣌͠ͷରԠ w ൃੜ࣌ʹରԠͰ͖ΔΤϯδχΞ͕ඞཁ w ֤ΦϒδΣΫτͷؔͳͲཧղ͢Δඞཁ͕͋ ΔͨΊӡ༻୲ऀʹؙ͓͛ͦΒ͘ແཧ w ΫϥελߏஙʹܞΘͬͨਓ͕Ϋϥελͷ໘Λ ݟ͍ͯ͘ͷ͕ྑ͍ʢ43&ͳͲʣ
·ͱΊ w ,VCFSOFUFTίϯςφ࣮ߦڥʢ*B$ʣ w ΤίγεςϜ͕ॆ࣮͍ͯ͠Δ w LTͷӡ༻·Ͱߟ͑ͯͷ࠾༻Λݕ౼͢Δ
͓·͚
͋Εʁ"84Ͱߏங͢ΔͷͰ͋Ε &$4ʢ'BSHBUFʣͰ͍͍Μ͡ΌͶʁ
ͨͿΜɺଟ͘ͷ߹'BSHBUFΛ ͬͨํ͕ͤʹͳΕΔͱࢥ͏ ͚ͲɺLTָ͍ͧ͠ʂʂ