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Securing CI/CD Systems Through eBPF (recap)
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whywaita
PRO
November 24, 2022
Technology
1
950
Securing CI/CD Systems Through eBPF (recap)
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https://k8sjp.connpass.com/event/264501/
whywaita
PRO
November 24, 2022
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Transcript
4FDVSJOH$*$%4ZTUFNT 5ISPVHIF#1' ,VCFSOFUFT.FFUVQ5PLZP ,VCF$PO/"3FDBQ $ZCFS"HFOU *ODத ݐొ XIZXBJUB
த ݐొ XIZXBJUB $MPVE.BLFSBU$ZCFS"HFOU *OD ϓϥΠϕʔτΫϥυ *BB4
ϚωʔδυαʔϏε։ൃ TFMGIPTUFESVOOFSJO(JU)VC"DUJPOT XIZXBJUBNZTIPFT044EFWFMPQFS झຯࣗαʔό ,T!IPNF ϙʔΧʔ ,VCF$POॳࢀઓ ॳւ֎ ೖࠃΠϯλϏϡʔͰҰഊ 5IBOLZPVBNTZ😭
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1'
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • CZ"MFY*MHBZFW $ZDPEF ◦ IUUQTDZDPEFDPN • IUUQTTDIFEDP"V[ • IUUQTXXXZPVUVCFDPNXBUDI
WQD#(3'W4SW : • $*$%ΛηΩϡΞʹߦ͏ͨΊʹF#1'Λར༻͢ΔࢼΈ
• &YUFOEFE#FSLFMFZ1BDLFU'JMUFS • -JOVY,FSOFMͷ4BOECPYͰίʔυΛ࣮ߦ͢Δ ◦ ϦίϯύΠϧෆཁ Ͱ ҆શ ͔ͭ ߴ
• /FUXPSL 0CTFSWBCJMJUZͷར༻ࣄྫ͕ଟΊ ◦ ,VCFSOFUFT$/* .POJUPSJOH"HFOU લఏࣝF#1'
• &YUFOEFE#FSLFMFZ1BDLFU'JMUFS • -JOVY,FSOFMͷ4BOECPYͰίʔυΛ࣮ߦ͢Δ ◦ ϦίϯύΠϧෆཁ Ͱ ҆શ ͔ͭ ߴ
• /FUXPSL 0CTFSWBCJMJUZͷར༻ࣄྫ͕ଟΊ ◦ ,VCFSOFUFT$/*$JMJVN ◦ .POJUPSJOH"HFOUEBUBEPHBHFOU FCQG@FYQPSUFS લఏࣝF#1'
IUUQTUXJUUFSDPNHSBGBOBTUBUVT લఏࣝF#1'
IUUQTHSBGBOBDPNCMPHHSBGBOBBOEDJMJVNEFFQFCQGQPXFSFEPCTFSWBCJMJUZGPSLVCFSOFUFTBOEDMPVE OBUJWFJOGSBTUSVDUVSF લఏࣝF#1'
ຊ
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • $*$%ʹ͓͚ΔηΩϡϦςΟࣄҊ ◦ 4PMBS8JOETॺ໊͖ϑΝΠϧͷॻ ◦ $PEF$PWCBTIJOTUBMMFSͷॻ ◦ /1. 1Z1*αϓϥΠνΣʔϯΞλοΫ
• $*$%πʔϧ ͷηΩϡϦςΟରࡦ͍͠ ◦ ڧݖݶ شൃ͢Δڥ Մ؍ଌੑ
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • ఏҊ$*$%F#1'ϕʔεͳ"HFOUͷಋೖ • XIZF#1' ◦ ؆୯ʹՄ؍ଌੑͱηΩϡϦςΟχʔζΛߴΊΒΕΔ ◦ ࠷৽ΧʔωϧͰಈ࡞͢Δ ◦
ڧྗͳίϛϡχςΟͱπʔϧ • $JMJVN5FUSBHPOͷ࠾༻
• F#1'CBTFE 4FDVSJUZ0CTFSWBCJMJUZ ηΩϡϦςΟͷՄ؍ଌੑ BOE 3VOUJNF&OGPSDFNFOU ϦΞϧλΠϜ࣮ߦ੍ޚ • ੨ࢁ͞ΜʹΑΔຊޠهࣄ $JMJVN1SPKFDU͔Βެ։ʂ
F#1'Λ༻͍ͯηΩϡϦςΟͷՄ؍ଌੑΛͨΒ͢5FUSBHPOcHJIZPKQ $JMJVN5FUSBHPO IUUQTHJUIVCDPNDJMJVNUFUSBHPO ͔Θ͍͍ˠ
$JMJVN5FUSBHPO
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • $*$%γεςϜʹ$JMJVN5FUSBHPOΛಋೖ ◦ $*$%γεςϜʹ͓͚Δzಈ࡞Λ؍ଌ͢Δ ◦ ϓϩηε ίωΫγϣϯ ϑΝΠϧ *0ใ
• 5FUSBHPO࠾༻ཧ༝ ◦ LQSPCFΛ࢝Ίͱͯ͠ଟ͘ͷσʔλ͕औಘՄೳ ◦ LTҎ֎ͷڥͰಈ࡞͢Δ
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1'
1P$ͷ࣮༰ʹ͍ͭͯ • Ϗϧυڥͷ0CTFSWBMJCJUZ ◦ ϓϩηε ଓઌυϝΠϯ *1 • ιʔείʔυͷશੑ֬อ ◦
HPϑΝΠϧͷॻΛࢹ • ௨৴ઌͷ੍ޚ ◦ ڐՄͯ͠ͳ͍*1υϝΠϯͷଓՄ൱ • (JU)VC"DUJPOT্Ͱಈ࡞͢ΔΑ͏ߏஙࡁ
1P$ͷ࣮༰ʹ͍ͭͯ
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' HJUDMPOF࣌ͷ HJUIVCDPNͷଓ UDQ@DPOOFDU ΛUSBDJOH͢Δ͜ͱͰ؍ଌޭ
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' TFUVQHPͰ࣮ߦ͞Ε͍ͯΔ ϓϩηεใͷ؍ଌޭ
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • σϞ ◦ Ϗϧυதͷ HPϑΝΠϧͷॻ 4*(,*-- ◦ ڐՄ͍ͯ͠ͳ͍*1ͷ௨৴ 4*(,*--
◦ ڐՄ͍ͯ͠ͳ͍ϓϩηεͷੜ 4*(,*--
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • σϞ ◦ Ϗϧυதͷ HPϑΝΠϧͷॻ 4*(,*-- ◦ ڐՄ͍ͯ͠ͳ͍*1ͷ௨৴ 4*(,*--
◦ ڐՄ͍ͯ͠ͳ͍ϓϩηεͷੜ 4*(,*--
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1'
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' • σϞ ◦ Ϗϧυதͷ HPϑΝΠϧͷॻ 4*(,*-- ◦ ڐՄ͍ͯ͠ͳ͍*1ͷ௨৴ 4*(,*--
◦ ڐՄ͍ͯ͠ͳ͍ϓϩηεͷੜ 4*(,*--
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1' (JU)VC"DUJPOT্ͷઃఆϑΝΠϧ͔Β $JMJVN5FUSBHPOͷઃఆΛੜ
·ͱΊ • F#1' $JMJVN5FUSBHPOύϫϑϧͳςΫϊϩδʔ • $*$%F#1'ʹΑͬͯ͞ΒʹηΩϡΞʹͳΔ • ࠓޙ1P$Ͱͬͨ"HFOUΛ044Խ༧ఆ ◦ ͞Εͯ·ͨ͠
IUUQTHJUIVCDPN$ZDPEF-BCTFCQGBHFOUBDUJPO • $POUSJCVUFͬͯΔΑʂ
ײ • 5FUSBHPOͷڧྗ͞Λेೋʹ׆͔͢ൃද ◦ 0CTFSWBCJMJUZ 3VOUJNF&OGPSDFNFOU ◦ ϕετϑΟοτ • ʮؾΛ͚ͭΔʯҎ্ͷ͜ͱ͕ग़དྷΔΑ͏ʹ
◦ $*$%ͷΑ͏ʹʮॏཁ͚ͩͲׂ͕͔Εʹ͍͘ʯ ಛʹ͜ͷΑ͏ͳऔΓΈ͕ඞཁʹͳΓͦ͏
αΠόʔΤʔδΣϯτͰͷऔΓΈ ϓϥΠϕʔτΫϥυͰͷ(JU)VC"DUJPOTج൫Λ ։ൃɾӡ༻த IUUQTXXXTMJEFTIBSFOFUXIZXBJUBEFWFMPQNFOUNZTIPFTBOEQSPWJEFDZDMPVEIPTUFESVOOFSHJUIVCBDUJPOT XJUIZPVSTIPFT
αΠόʔΤʔδΣϯτͰͷऔΓΈ IUUQTXXXTMJEFTIBSFOFUXIZXBJUBEFWFMPQNFOUNZTIPFTBOEQSPWJEFDZDMPVEIPTUFESVOOFSHJUIVCBDUJPOT XJUIZPVSTIPFT ಈతͳTFMGIPTUFESVOOFS XIZXBJUBNZTIPFT
4FDVSJOH$*$%4ZTUFNT5ISPVHIF#1'
αΠόʔΤʔδΣϯτͰͷऔΓΈ IUUQTXXXTMJEFTIBSFOFUXIZXBJUBEFWFMPQNFOUNZTIPFTBOEQSPWJEFDZDMPVEIPTUFESVOOFSHJUIVCBDUJPOT XJUIZPVSTIPFT ಈతͳ TFMGIPTUFESVOOFS XIZXBJUBNZTIPFT .BOBHFE 1P$"HFOU4FSWFS
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