コンテナをGoで作る

Transcript

1. ίϯςφΛ(PͰ࡞Δ ࠤʑ໦উय़
   
   %FTJHO0OF
   (P
   
2. ࣗݾ঺հ w ໊લɿࠤʑ໦উय़
   w ձࣾɿ߹ಉձࣾ
   %..DPN
   w ۀ຿ɿࣗࣾͷγεςϜΛ(PͰ։ൃͯ͠·͢ɻ·ͨɺΠϯ ϑϥ "84 ΍ϑϩϯτ 3FBDU ΋΍ͬͯ·͢
   w ޷͖ͳ΋ͷɿམޠ ཱ઒ྲྀ ɺֆ
3. ࠓճ͓࿩͢͠Δ͜ͱ (PͰίϯςφΛ࡞Δ
4. ͜ͷςʔϚʹͨ͠ཧ༝ ίϯϐϡʔλαΠΤϯεΛࠓҰ౓͖ͪΜͱཧղ͔ͨͬͨͨ͠ Ί ۀ຿Ͱ΋ίϯςφΛར༻ https://inside.dmm.com/entry/2019/03/28/review-go-test
5. Ծ૝Խͱ͸ w ϋʔυ΢ΣΞͱ04ͷؒʹͭͷ४04ΛೖΕΔ͜ͱͰҰ୆ ͷϋʔυ΢ΣΞ্ʹෳ਺ͷ04΍γεςϜΛ҆શʹ࢖͏ͨ Ίͷٕज़
   04Λಠཱͯ͠ѻ͏
6. ίϯςφͱ͸ w ϗετͷ04ͷΧʔωϧΛڞ༗ͯ͠࢖͍ͭͭɺΞϓϦέʔ γϣϯ͔Βݟͯಠཱͨ͠04Λ࣮ݱ͢Δٕज़
7. MJCDPOUBJOFSͰίϯςφ࡞੒
   w %PDLFSͷίΞͱͯ͠(PͰॻ͔Ε͍ͯΔϥΠϒϥϦ
 IUUQTHJUIVCDPNPQFODPOUBJOFSTSVODUSFF NBTUFSMJCDPOUBJOFS
8. ίʔυৄࡉᶃ w ίϯςφͷੜ੒ͱJOUϓϩηεͷىಈͱ͍͏ͭͷ͜ͱΛ ͭͷϑΝΠϧͰ࣮ߦ͢ΔͨΊJOJU ؔ਺Λఆٛ
   w ίϯςφΛ࡞੒͢ΔͨΊʹॳظԽͷઃఆ 4UBSU*OJUJBMJ[BUJPO਌ͷύΠ ϓGEΛ։͘͜ͱͰΛίϯςφ Λϩʔυ https://github.com/opencontainers/runc/blob/ master/libcontainer/factory_linux.go#L282
9. ίʔυৄࡉᶄ w ੜ੒͢Δίϯςφ
 ͷઃఆ
 
 /BNFTQBDFT΍
 $HSPVQTͳͲ ˞ߏ଄ମ$POpHͷ3PPUGϑΟʔϧυʹରͯ͠ɺίϯςφ಺Ͱ৽͠ ͍؀ڥΛىಈ͢ΔͨΊʹඞཁͳϑΝΠϧγεςϜΛࢦఆ͢Δඞཁ ͕͋Γ·͢ɻ
   ίϯςφ͸ϗετͷΧʔωϧΛڞ༗ͯ͠ར༻͢ΔͷͰσΟετϦ Ϗϡʔγϣϯ͸ෆཁͰ͕͢ɺJOJUϓϩηεҎ߱ͷ؀ڥ͕ඞཁͳͨΊ Ͱ͢ɻࠓճ͸EPDLFS
   JNBHFͷBMQJOFʹؚ·Ε͍ͯΔϑΝΠϧΛར ༻͠·ͨ͠
10. ίʔυৄࡉᶅ ίϯςφΛੜ੒
 IUUQTHJUIVCDPNPQFODPOUBJOFSTSVODCMPCNBTUFSMJCDPOUBJOFSGBDUPSZ@MJOVYHP- 
 ॳظϓϩηεͱͯ͠CBTIΛੜ੒
11. ίϯςφʹϩάΠϯ ˞͜ͷϥΠϒϥϦ͕04YͰಈ͔ͤͳ͔ͬͨͷͰɺϩʔΧϧ؀ڥঢ়ʹ%PDLFSͰMJOVYίϯςφΛ্ཱͪ͛ͯɺ
    ͦͷதͰࣗ࡞ͷίϯςφΛੜ੒͢ΔΑ͏ʹ͍ͯ͠·͢ ຊ຤స౗ɻɻ ੜ੒ͨ͠ίϯςφʹϩάΠϯ
12. ֶͼ w HPΛ࢖ͬͯίϯςφΛ࡞Δ͜ͱ͕Ͱ͖Δ͜ͱ͕෼͔ͬͨ
    w MJCDPOUBJOFSͷιʔεΛ௥͏͜ͱͰɺ04ϨϕϧͳͲΞϓ ϦέʔγϣϯϨΠϠʔΑΓԼͷॲཧΛͲͷΑ͏ʹ੍ޚͯ͠ ίϯςφΛੜ੒͠ɺ࣮ߦ͍ͯ͠Δ͔ΛֶͿ͜ͱ͕Ͱ͖ͨ https://golang.org/pkg/os/#Chown
13. ࢀߟࢿྉ w MJCDPOUBJOFS
 IUUQTHJUIVCDPNPQFODPOUBJOFSTSVODUSFFNBTUFSMJCDPOUBJOFS
    w 1PFLͱ(PMECFSHͷԾ૝Խٕज़
 IUUQTZVCFTTZIBUFOBCMPHDPNFOUSZ
    w %PDLFSͱ-9$
 IUUQTRJJUBDPN4VSHPJUFNTBEDFBGCBE
    w %PDLFS
 IUUQTXXXEPDLFSDPN
    w (PݴޠʹΑΔϓϩάϥϚʔࢹ఺ͷγεςϜϓϩάϥϛϯά
    (Pݴޠͱίϯςφ
 IUUQTBTDJJKQFMFN
    w ίϯςφϥϯλΠϜͷಈ޲Λ੔ཧͯ͠Έͨ݅
 IUUQTRJJUBDPNNBNPNBNPJUFNTFEECBCGB
14. ͝੩ௌ͋Γ͕ͱ͏͟͝ ͍·ͨ͠