ίϯςφΛ(PͰ࡞Δ ࠤʑ໦উय़

%FTJHO0OF
(P
 

ࣗݾ঺հ w ໊લɿࠤʑ໦উय़
w ձࣾɿ߹ಉձࣾ
%..DPN
w ۀ຿ɿࣗࣾͷγεςϜΛ(PͰ։ൃͯ͠·͢ɻ·ͨɺΠϯ ϑϥ "84 ΍ϑϩϯτ 3FBDU ΋΍ͬͯ·͢
w ޷͖ͳ΋ͷɿམޠ ཱ઒ྲྀ ɺֆ 

ࠓճ͓࿩͢͠Δ͜ͱ (PͰίϯςφΛ࡞Δ 

͜ͷςʔϚʹͨ͠ཧ༝ ίϯϐϡʔλαΠΤϯεΛࠓҰ౓͖ͪΜͱཧղ͔ͨͬͨͨ͠ Ί ۀ຿Ͱ΋ίϯςφΛར༻ https://inside.dmm.com/entry/2019/03/28/review-go-test 

Ծ૝Խͱ͸ w ϋʔυ΢ΣΞͱ04ͷؒʹͭͷ४04ΛೖΕΔ͜ͱͰҰ୆ ͷϋʔυ΢ΣΞ্ʹෳ਺ͷ04΍γεςϜΛ҆શʹ࢖͏ͨ Ίͷٕज़
04Λಠཱͯ͠ѻ͏ 

ίϯςφͱ͸ w ϗετͷ04ͷΧʔωϧΛڞ༗ͯ͠࢖͍ͭͭɺΞϓϦέʔ γϣϯ͔Βݟͯಠཱͨ͠04Λ࣮ݱ͢Δٕज़ 

MJCDPOUBJOFSͰίϯςφ࡞੒
w %PDLFSͷίΞͱͯ͠(PͰॻ͔Ε͍ͯΔϥΠϒϥϦ
 IUUQTHJUIVCDPNPQFODPOUBJOFSTSVODUSFF NBTUFSMJCDPOUBJOFS 

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 

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 ༻͠·ͨ͠ 

ίʔυৄࡉᶅ ίϯςφΛੜ੒
 IUUQTHJUIVCDPNPQFODPOUBJOFSTSVODCMPCNBTUFSMJCDPOUBJOFSGBDUPSZ@MJOVYHP- 
 ॳظϓϩηεͱͯ͠CBTIΛੜ੒ 

ίϯςφʹϩάΠϯ ˞͜ͷϥΠϒϥϦ͕04YͰಈ͔ͤͳ͔ͬͨͷͰɺϩʔΧϧ؀ڥঢ়ʹ%PDLFSͰMJOVYίϯςφΛ্ཱͪ͛ͯɺ
ͦͷதͰࣗ࡞ͷίϯςφΛੜ੒͢ΔΑ͏ʹ͍ͯ͠·͢ ຊ຤స౗ɻɻ ੜ੒ͨ͠ίϯςφʹϩάΠϯ 

ֶͼ w HPΛ࢖ͬͯίϯςφΛ࡞Δ͜ͱ͕Ͱ͖Δ͜ͱ͕෼͔ͬͨ
w MJCDPOUBJOFSͷιʔεΛ௥͏͜ͱͰɺ04ϨϕϧͳͲΞϓ ϦέʔγϣϯϨΠϠʔΑΓԼͷॲཧΛͲͷΑ͏ʹ੍ޚͯ͠ ίϯςφΛੜ੒͠ɺ࣮ߦ͍ͯ͠Δ͔ΛֶͿ͜ͱ͕Ͱ͖ͨ https://golang.org/pkg/os/#Chown 

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 

͝੩ௌ͋Γ͕ͱ͏͟͝ ͍·ͨ͠