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『マネージドMySQL提供に向けた挑戦』@ CIU Tech Meetup#1
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hidenobu goto
June 07, 2023
Technology
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『マネージドMySQL提供に向けた挑戦』@ CIU Tech Meetup#1
hidenobu goto
June 07, 2023
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Transcript
ϚωʔδυMySQLఏڙʹ͚ͨઓ גࣜձࣾαΠόʔΤʔδΣϯτ CIU Development Div ޙ౻ल৴ CIU Tech Meetup #1
@2023/06/07
ޙ౻ल৴ • גࣜձࣾαΠόʔΤʔδΣϯτ ɹɹɹάϧʔϓITਪਐຊ෦ CIU Development Div • 20169݄
த్ೖࣾ (લ৬SIer) • ϓϥΠϕʔτΫϥυͷίϯϙʔωϯτ։ൃ • Go, Kubernetes, Linux, Python, DB
1.։ൃͷഎܠ 2.։ൃͷํ 3.ར༻ٕज़ͱΞʔΩςΫνϟ 4.ಈ࡞֓ཁͷઆ໌ 5.·ͱΊ
։ൃͷํ
։ൃͷํ • ίϚϯυൃͰDBߏஙɺࣗಈνϡʔχϯά • F/Oඞਢɺ෮چޙࣗಈΈࠐΈ • MySQLͷఏڙ • ֤ϝτϦΫεɺϩάɺόοΫΞοϓ •
Ϣʔβཧ
։ൃͷํ • k8sͷOperatorΛ׆༻Ͱ͖Δ͔? ɹɹ👍 એݴతAPIͰཧͰ͖Δ ɹɹ👍 ։ൃ͕ΜͰجຊతʹ҆ఆ͍ͯ͠Δ ɹɹ👍 F/Oʹ͍ͭͯͳ͘ߦ͏͜ͱ͕Ͱ͖Δ
։ൃͷํ • k8sͷOperatorΛ׆༻Ͱ͖Δ͔? ɹɹ🌪 kubernetesʹԿ͔͋ͬͨ࣌ͷಈ࡞୲อ ɹɹ🌪 ݖݶཧͷෑډ (جຊVMͷΞΫηεෆՄ) ɹɹ🌪
Platformతʹखಈઃఆ͕ඞཁͳՕॴ͕͋Δ
։ൃͷํ • MySQLؔ࿈ͷπʔϧΛ׆༻Ͱ͖Δ͔? ɹɹ👍 ཧπʔϧͷOrchestratorݟ͕ଟ͍ ɹɹ👍 ϝτϦΫεऔಘͰ͖ΔOSS͋Δ
։ൃͷํ • MySQLؔ࿈ͷπʔϧΛ׆༻Ͱ͖Δ͔? ɹɹ🌪 MySQL5ܥରԠ͕ඞཁͳͨΊπʔϧ͕ݶఆత ɹɹ🌪 ӡ༻ਓ͕গͳ͍ͨΊɺࣗಈ෮چ͍ͤͨ͞
طଘOperatorɺπʔϧ͚ͩͰݫ͍͠ ɹ͍͑͑ɺ࡞ͬͯ͠·͑ɹ
։ൃͷํ • ເΛ٧ΊࠐΜͰΈΔ • DBVMͱͯ͠ಈ࡞ͤ͞Δ • એݴతAPIੵۃతʹ͍͖͍ͬͯͨ • 5ܥ8ܥԣஅɺڞ௨ཧ͕Ͱ͖Δ •
Կ͔͋ͬͯجຊతʹࣗಈ෮چ
CDB (Cycloud Database) ͦͷ໊
ར༻ٕज़ͱ ΞʔΩςΫνϟ
ར༻ٕज़ • Kubernetes ཧίϯϙʔωϯτσϓϩΠɹ • Custom Resource / Controllerɹɹ
CDBϦιʔεͱͯ͠ఆٛ • MySQL Orchestrator MySQLͷF/Oʹར༻ • OpenStack DBΠϯελϯεͷ࡞ • Terraform ίϯτϩʔϥʔͰ࣮ߦ
ར༻ٕज़ • Kubernetes ཧίϯϙʔωϯτσϓϩΠɹ • Custom Resource / Controllerɹɹ
CDBϦιʔεͱͯ͠ఆٛ • MySQL Orchestrator MySQLͷF/Oʹར༻ • OpenStack DBΠϯελϯεͷ࡞ • Terraform ίϯτϩʔϥʔͰ࣮ߦ
Custom Resource / Controller • Custom Resource •Kubernetes APIͷ֦ு •ಛఆͷAPIΦϒδΣΫτͷίϨΫγϣϯΛอ࣋
• Custom Controller •ϦιʔεΛ͋Δ͖ঢ়ଶʹಉظ͠ཧ • Custom ResourceͱΈ߹ΘͤͯCDBͷػೳΛఏڙ https://github.com/kubernetes-sigs/kubebuilder
ར༻ٕज़ • Kubernetes ཧίϯϙʔωϯτσϓϩΠɹ • Custom Resource / Controllerɹɹ
CDBϦιʔεͱͯ͠ఆٛ • MySQL Orchestrator MySQLͷF/Oʹར༻ • OpenStack DBΠϯελϯεͷ࡞ • Terraform ίϯτϩʔϥʔͰ࣮ߦ
MySQL Orchestrator • MySQLͷϨϓϦέʔγϣϯঢ়ଶͷཧ • F/OͷڍಈΛࡉ͔͘ϋϯυϦϯάͰ͖Δ • ίϯϙʔωϯτࣗମRaftΛͬͯԽ • API๛ʹ༻ҙ͞Ε͍ͯΔ
https://github.com/openark/orchestrator
MySQL Orchestrator • MySQLͷϨϓϦέʔγϣϯঢ়ଶͷཧ • F/OͷڍಈΛࡉ͔͘ϋϯυϦϯάͰ͖Δ • ίϯϙʔωϯτࣗମRaftΛͬͯԽ • API๛ʹ༻ҙ͞Ε͍ͯΔ
https://github.com/openark/orchestrator
ར༻ٕज़ • Kubernetes ཧίϯϙʔωϯτσϓϩΠɹ • Custom Resource / Controllerɹɹ
CDBϦιʔεͱͯ͠ఆٛ • MySQL Orchestrator MySQLͷF/Oʹར༻ • OpenStack DBΠϯελϯεͷ࡞ • Terraform ίϯτϩʔϥʔͰ࣮ߦ
OpenStack • Cycloud ͷ IaaSج൫ • όʔδϣϯ Queensʹ৭ʑͱύονద༻ • VM
/ ϘϦϡʔϜͷ࡞আΞλον/ σλονૢ࡞ • αʔϏεଆͷΤϯδχΞIaaSͱ͍ͯͬͯ͠Δج൫ https://github.com/openstack
ར༻ٕज़ • Kubernetes ཧίϯϙʔωϯτσϓϩΠɹ • Custom Resource / Controllerɹɹ
CDBϦιʔεͱͯ͠ఆٛ • MySQL Orchestrator MySQLͷF/Oʹར༻ • OpenStack DBΠϯελϯεͷ࡞ • Terraform ίϯτϩʔϥʔͰ࣮ߦ
Terraform • IaCͷπʔϧͷ1ͭ • એݴతʹϦιʔεΛཧ • hclͱ͍͏ݴޠͰهड़͢Δ • ֤ΫϥυͷϓϩόΠμʔ͕༻ҙ͞Ε͍ͯΔ https://github.com/hashicorp/terraform
https://github.com/isaaguilar/terraform-operator
͜ͷลΓΛྑ͖͔ͳΈ߹Θͤͯ CDBಈ͍ͯ·͢
࡞࣌ίϚϯυ
࡞࣌ίϚϯυ
࡞࣌ίϚϯυ DNSϨίʔυΛDBͷ ΤϯυϙΠϯτͱͯ͠ར༻
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller܈ gRPC ೝূ
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller܈ gRPC ೝূ
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller܈ gRPC ೝূ
࡞ϑϩʔ gateway mysql controller instance controller setting controller܈ gRPC ೝূ
apiVersion: cdb.cycloud.io/v1 kind: MysqlCon fi g metadata: name: xxxxxxxxx namespace: xxxxxxxxx spec: connect_timeout: 100 engine_version: 8 expire_log_days: 10
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller܈ gRPC ೝূ
apiVersion: v1 kind: Con fi gMap metadata: name: xxxxxxxxx namespace: xxxxxxxxx data: connect_timeout: "100" expire_log_days: "10"
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller gRPC ೝূ
apiVersion: cdb.cycloud.io/v1 kind: MySQL metadata: name: xxxxxxxxx namespace: xxxxxxxx spec: fl avor: large replica: 1 storage: kind: xxxxxxxx size_gib: 45
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller gRPC ೝূ
apiVersion: cdb.cycloud.io/v1 kind: Instance metadata: name: xxxxxxxxx namespace: xxxxxxxx spec: dataVolume: size: 45 volumeType: xxxxx version: 8.0.28 fl avor: xxxxxxxxxx ༷ʑͳIaaSج൫ʹ ରԠͰ͖ΔΑ͏ʹநԽ
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller܈ gRPC ೝূ
OpenStack API
࡞ϑϩʔ gateway mysql controller܈ instance controller setting controller܈ gRPC ೝূ
OpenStack API DBࣗମVMͱͯ͠ OpenStack্ʹߏங
CDBͷΧελϜϦιʔεʢΫϥελܥʣ • MySQL • DBΫϥελϦϯάͷͨΊͷϝΠϯϦιʔε • Instance • ΠϯελϯεߏஙͷͨΊͷϦιʔε •
Connector • F/OΛ୲͢ΔϦιʔε • Orchestrator • MySQL OrchestratorΛཧ͢ΔϦιʔε
CDBͷΧελϜϦιʔεʢઃఆܥʣ • LoggingConfig • MySQLͷϩάؔ࿈ͷอଘઃఆ • LoginRootUser • RootϢʔβͷઃఆ •
MetricsConfig • ϝτϦΫεؔ࿈ͷઃఆ • MysqlBackup / MysqlSnapshot • σʔλͷόοΫΞοϓܥͷઃఆ • MysqlConfig • MySQLͷઃఆؔ
apiVersion: cdb.cycloud.io/v1 kind: MySQL metadata: name: xxxxxxxxx namespace: xxxxxxxx spec:
fl avor: large replica: 1 storage: kind: xxxxxxxx size_gib: 45 VMىಈޙ Mysqllet Mysqllet ओͳΓͱΓ ɹDBઃఆใͷऔಘ ɹϓϩδΣΫτใͷऔಘ ɹϓϥΠϚϦɺηΧϯμϦใͷऔಘ ɹߏஙঢ়گͷใࠂ DNSaaS
apiVersion: cdb.cycloud.io/v1 kind: MySQL metadata: name: xxxxxxxxx namespace: xxxxxxxx spec:
fl avor: large replica: 1 storage: kind: xxxxxxxx size_gib: 45 VMىಈޙ Mysqllet Mysqllet DNSaaS ɹConnectorϦιʔεΛར༻ ɹϓϥΠϚϦɺηΧϯμϦΛө
apiVersion: cdb.cycloud.io/v1 kind: MySQL metadata: name: xxxxxxxxx namespace: xxxxxxxx spec:
fl avor: large replica: 1 storage: kind: xxxxxxxx size_gib: 45 VMىಈޙ Mysqllet Mysqllet DNSaaS
༷ʑͳCustom Resourceɺ Custome ControllerΛར༻ͯ͠DBΛߏங
F/O࣌ͷಈ࡞ ϔϧενΣοΫ
F/O࣌ͷಈ࡞ ϔϧενΣοΫ
F/O࣌ͷಈ࡞ ϔϧενΣοΫ apiVersion: cdb.cycloud.io/v1 kind: Connector metadata: name: xxxxxxxxx namespace:
xxxxxxxx spec: owner: meetup rw: dummy.record.hoge.io rw_ip: XXX.XXX.XXX.XXX mysql controller
F/O࣌ͷಈ࡞ ϔϧενΣοΫ apiVersion: cdb.cycloud.io/v1 kind: Connector metadata: name: xxxxxxxxx namespace:
xxxxxxxx spec: owner: meetup rw: dummy.record.hoge.io rw_ip: XXX.XXX.XXX.XXX mysql controller DNSaaS
༷ʑͳCustom Resourceɺ Custom ControllerΛར༻ͯ͠DBͷՄ༻ੑΛ୲อ
·ͱΊ • νϡʔχϯάࣗಈͰ͓͢͢ΊઃఆʹͳΔ • DBΤϯδχΞͱڠྗͯ͠ͷܾఆ • ΦϯϥΠϯͰΈͷʹमਖ਼Մೳ • ֤छϝτϦΫεʹରԠ
·ͱΊ • ϚωʔδυMySQLͰ͋ΔCDBͷհ • MySQLΛίϯςφ → VM • DNSͷΓସ͑ͰF/OΛ࣮ݱ •
Kubernetes͕མͪͯ + DBམͪͳ͍ͱӨڹͳ͠ • MySQL͍͠
͋Γ͕ͱ͏͍͟͝·ͨ͠