Rancher 2.0 HA with Terraform

by Kazumichi Yamamoto

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3BODIFS.FFUVQ5PLZP !ZBNBNPUP@GFCD 3BODIFS ͷ)"ߏ੒ XJUI5FSSBGPN &

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,B[VNJDIJ :BNBNPUP !ZBNBNPUP@GFCD 8IP

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3BODIFSͷΠϯετʔϧ $ docker run -d -p 80:80 –p 443:443 rancher/rancher EPDLFSSVO͚ͩͰ0,

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ຊ൪ӡ༻ͷ৔߹͸ʁ ྲྀੴʹ୆ͩͱෆ҆ʜ

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)"ߏ੒ )JHI"WBJMBCJMJUZ

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)"ߏ੒ͷྫ IUUQTSBODIFSDPNEPDTSBODIFSWYFOJOTUBMMBUJPOIBTFSWFSJOTUBMM ,VCFSOFUFT্ʹ 3BODIFSΛσϓϩΠ ϩʔυόϥϯα *OHSFTTͰ44-ऴ୺

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,VCFSOFUFTΫϥελΛ Ͳ͏΍ͬͯ༻ҙ͢Δʁ

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0WFSWJFX 44) 1SPWJTJPOJOH

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3,&ͷৄࡉ͸ҎԼΛࢀর IUUQTTQFBLFSEFDLDPNZBNBNPUPGFCDCVJMEJOHIBLVCFSOFUFTDMVTUFSTXJUISLF

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)"ߏ੒ͰͷΠϯετʔϧ ϊʔυͷ४උ %/4ͷઃఆ -#ͷઃఆ 3,&ͰLTߏங 3BODIFSͷσϓϩΠ 3,&ͷΠϯετʔϧ ఆٛϑΝΠϧͷ࡞੒ DMVTUFSZNM lSLF VQz࣮ߦ

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)"ߏ੒ͰͷΠϯετʔϧ ϊʔυͷ४උ %/4ͷઃఆ -#ͷઃఆ 3,&ͰLTߏங 3BODIFSͷσϓϩΠ 3,&ͷΠϯετʔϧ ఆٛϑΝΠϧͷ࡞੒ DMVTUFSZNM lSLF VQz࣮ߦ

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5FSSBGPSNͰϊʔυ౳ͷ४උ ˙%JHJUBM0DFBOͷ৔߹

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5FSSBGPSNͰϊʔυ౳ͷ४උ ˙͘͞ΒͷΫϥ΢υͷ৔߹

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)"ߏ੒ͰͷΠϯετʔϧ ϊʔυͷ४උ %/4ͷઃఆ -#ͷઃఆ 3,&ͰLTߏங 3BODIFSͷσϓϩΠ 3,&ͷΠϯετʔϧ ఆٛϑΝΠϧͷ࡞੒ DMVTUFSZNM lSLF VQz࣮ߦ ࡁ ࡁ ࡁ

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)"ߏ੒ͰͷΠϯετʔϧ ϊʔυͷ४උ %/4ͷઃఆ -#ͷઃఆ 3,&ͰLTߏங 3BODIFSͷσϓϩΠ 3,&ͷΠϯετʔϧ ఆٛϑΝΠϧͷ࡞੒ DMVTUFSZNM lSLF VQz࣮ߦ ࡁ ࡁ ࡁ

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n %PXOMPBE3,&CJOBSZ *OTUBMM3,& $ curl -L -o rke $RKE_URL n 3VODINPE $ chmod +x rke 3,&@63-IUUQTHJUIVCDPNSBODIFSSLFSFMFBTFTEPXOMPBEWSLF@EBSXJOBNE

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DMVTUFSZNMͷ࡞੒ node: - address: <ϊʔυͷ*1ΞυϨε> role: [etcd, controlplane, worker] user: rancher ssh_key_path: <44)༻ͷൿີ伴> 5FSSBGPSNͷ࣮ߦ݁ՌͳͲ͔Β ϊʔυͷ৘ใΛίϐϖ

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3VOlSLF VQz $ ./rke up --config cluster.yml

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DMVTUFSZNMͷ࡞੒ node: - address: <ϊʔυͷ*1ΞυϨε> role: [etcd, controlplane, worker] user: rancher ssh_key_path: <44)༻ͷൿີ伴> ϊʔυ࡞੒ͷ౎౓*1ΞυϨε͕ มΘͬͨΓ͢Δͱ໘౗ʜ

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5FSSBGPSNQSPWJEFSGPS3,& IUUQTXXXUFSSBGPSNJPEPDTQSPWJEFSTUZQFDPNNVOJUZJOEFYIUNM

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5FSSBGPSNQSPWJEFSGPS3,& 5FSSBGPSN3,&Λ౷߹

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5FSSBGPSNQSPWJEFSGPS3,& $POGJHϑΝΠϧग़ྗ GPS LVCFDUM LVCFSOFUFTϓϩμΠόʔͱ ࿈ܞͤ͞Δ͜ͱ΋Մೳ IUUQTHJUIVCDPNZBNBNPUPGFCDUFSSBGPSNQSPWJEFSSLF

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)"ߏ੒ͰͷΠϯετʔϧ ϊʔυͷ४උ %/4ͷઃఆ -#ͷઃఆ 3,&ͰLTߏங 3BODIFSͷσϓϩΠ ࡁ ࡁ ࡁ ࡁ

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)"ߏ੒ͰͷΠϯετʔϧ ϊʔυͷ४උ %/4ͷઃఆ -#ͷઃఆ 3,&ͰLTߏங 3BODIFSͷσϓϩΠ ࡁ ࡁ ࡁ ࡁ

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3BODIFSαʔόͷσϓϩΠ ͓޷͖ͳํ๏ΛͲ͏ͧʂ LVCFDUM ౳ 3,&ͷΞυΦϯ 5FSSBGPSNͷ LTϓϩόΠμ

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࣮ࡍ࢖ͬͯΔํ๏ DFSUNBOBHFSͱ3BODIFSΛซ༻ ˙*TTVFS ˙*OHSFTT 3BODIFSαʔό༻ͷূ໌ॻͷऔಘߋ৽͸ DFSUNBOBHFSʹ͓೚ͤ͢Δ

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·ͱΊ LT্ʹσϓϩΠ͢Ε͹0, खܰʹLTΫϥελΛ࡞ΕΔ 5FSSBGPSN 3BODIFSͷ)" 3,& ϊʔυ΍%/4-#ͷ࡞੒ɺ 3,&ͰͷΫϥελߏஙΛ ·ͱΊͯѻ͑Δ

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&OKPZ