Terraform 사용 후기

Transcript

1. TERRAFORM ࢎਊ റӝ HELLO TERRAFORM ಌನݢझ౱ ъӝక
2. ߓ҃ ▸ ݃੉௼۽ ࢲ࠺झ ҳઑܳ ਤ೧ ੋ೐ۄ ܻ࠙ ▸ AWSী ࢜۽ ҳ୷ೞӝ۽ Ѿ੿ .. যڌѱ ೞ૑?
3. ৘੹੄ ঈކ ▸ AWSܳ ਢ௑ࣛ۽݅ ҙܻ೮؍ ҃೷
4. ࢎ۹ 1 “ನ౟ ׮ ৌযְחؘ ৵ ੽ࣘ੉ উغ૑..?” അ੤ ੋ೐ۄ
 ౵ঈೞӝ ൨ٞ
5. ࢎ۹ 2 “? ੉Ѥ ޖट ਊب۽ ݅ٚѢঠ?” ੉۱ ഛੋ ࠛо
6. ࢎ۹ 3 “పझ౟ਊ ੋझఢझ ૑ਕঠ૑~” ੉۞Ҋ
 ࢲ࠺झਊ RDB ࢏ઁ
 (੿݈ पച੐
7. ௏٘۽ ҙܻೞ੗! ▸ੋ೐ۄܳ ௏٘۽ ઁযೞѱ غݶ..
 - ࢚కܳ ഛੋೞӝ ए਑
 - ߡ੹ ҙܻ
 - पࣻ хࣗ
8. ௏٘۽ ҙܻೞ੗! ▸௏٘ܳ ҙܻೞח ੌ਷ ೦࢚ ੊ࣼ೤פ׮.
9. ׮নೠ بҳٜ
10. “৵ TERRAFORMਸ ࢎਊ೮աਃ?”
11. TERRAFORM੄ ౠ૚ (1) ▸ࢲߡܳ ؀࢚ਵ۽ provision
 ࢲߡ ղࠗ ߸҃ী݅ ઁೠغ૑ ঋ਺ ▸௿ۄ਋٘ ജ҃ী ݒ਋ ੸೤
 ࢲߡ ࢤࢿ, ઁѢ ಞܻ
12. TERRAFORM੄ ౠ૚ (2) ▸ࢲߡ ߸҃ द, ࣻ੿(modify)ࠁ׮ח Ү୓(swap)
13. ࢲߡ AMI ࢲߡ AMI ৘) ࢜ ߡ੹੄ OPENSSLਸ ࢸ஖ ▸ࣻ੿ ߑध੄ ҃਋
 ӝઓ ೐۽Ӓ۔ਸ ࢜ ߡ੹ਵ۽ সؘ੉౟ (߸҃) OpenSSL 1.0.2 OpenSSL 1.1.0 ߸҃ ੹ ߸҃ റ
14. ࢲߡ AMI ࢲߡ AMI ৘) ࢜ ߡ੹੄ OPENSSLਸ ࢸ஖ ▸Ү୓ ߑध੄ ҃਋
 ࢜ ߡ੹੉ ࢸ஖ػ ࢲߡ ੉޷૑ܳ प೯ ߸҃ ੹ ߸҃ റ OpenSSL 1.0.2 OpenSSL 1.1.0
15. Ү୓ ߑध੄ ੢੼ ▸ݒߣ ജ҃ ࢜۽ ࢤࢿ ▸ ߸҃੉ ־੸غ૑ ঋ਺ ▸ ജ҃ ҳࢿ ࠛੌ஖ ޙઁীࢲ ੗ਬ܂׮.
16. ജ҃ ҳࢿ ࠛੌ஖ ޙઁ (CONFIGURATION DRIFT) ▸ ࣗ೐౟ਝযա ೞ٘ਝযо ߸҃ؼ ٸ݃׮,
 ӝ۾غ૑ ঋח ޷ࣁೠ ର੉о ߊࢤ ▸ ־੸غ׮ࠁݶ ޙઁо ߊࢤ
17. TERRAFORM੄ ౠ૚ (3) ▸ࢶ঱੸ ೐۽Ӓې߁ (Declarative programming)
18. ৘) EC2 ੋझఢझ 10ѐ ࢤࢿ द - ec2: count: 10 image: ami-v1 instance_type: t2.micro resource "aws_instance" "example" { count = 10 ami = "ami-v1" instance_type = "t2.micro" }
19. ৘) EC2 ੋझఢझ 10ѐ → 15ѐ - ec2: count: 10 image: ami-v1 instance_type: t2.micro - ec2: count: 5 image: ami-v1 instance_type: t2.micro resource "aws_instance" "example" { count = 15 ami = "ami-v1" instance_type = "t2.micro" }
20. ੺ର੸ ೐۽Ӓې߁੄ ױ੼ ▸௏٘݅ ࠊࢲח ੋ೐ۄо যڃ ࢚కੋ૑
 ঌӝ ൨ٜ׮. - ec2: count: 5 image: ami-v1 instance_type: t2.micro ੉Ѫ݅ ࠊࢲח ࢲߡо 15ѐо ؼ૑
 ঌ ࣻ হ׮.
21. ࢶ঱੸ ೐۽Ӓې߁੄ ױ੼ ▸ ੘সਸ ࣁࠗ੸ਵ۽ ஶ౟܀ೡ ࣻ হ׮.
 ઺р җ੿ਸ ૑੿ೡ ࣻ হਵ޲۽..
22. ▸ইې ղਊਸ Terraformਵ۽ ҳഅೞ۰ݶ? ৘) BLUE-GREEN DEPLOY ҳഅ 1. GREENਸ द੘ೠ ٍ
 GREENী ߓನ 2. ࢲ࠺झܳ BLUEীࢲ
 GREENਵ۽ ߸҃
 
 3. BLUEܳ ੿૑

23. TERRAFORM ಴അ੄ ೠ҅ ▸ఋ੉߁ ઁয
 “~ೡ ٸө૑ ӝ׮۷׮о..” ▸ઑѤ ࠙ӝ
 “~ ೠ׮ݶ..” ※ ੿ഛ൤ח ࠛоמೠѤ ইפ૑݅ ಞߨਸ ॄঠೞѢա ࢚׼൤ ઁೠ੸ੑפ׮.
24. Ѿҗ ੸ਊ ߧਤ ߸҃ ߑध ௏٘ ಴അ ࢲߡө૑ ؀࢚ Ү୓ (swap) ࢶ঱੸ So good Good Not bad
25. “TERRAFORM਷ যڌѱ ࢎਊೞաਃ?”
26. ੘স੄ ൒ܴ 1ױ҅: WRITE ‣ ੋ೐ۄܳ ௏٘۽ ಴അ WRITE ௏٘ ੘ࢿ PLAN Ѩష APPLY ߈৔
27. ੘স੄ ൒ܴ 2ױ҅: PLAN ‣ ௏٘ܳ ੸ਊ೮ਸ ٸ ߸҃ؼ ղਊਸ ޷ܻ ୹۱ ‣ पࣻܳ ޷োী ߑ૑ೡ ࣻ ੓׮. WRITE ௏٘ ੘ࢿ PLAN Ѩష APPLY ߈৔
28. ੘স੄ ൒ܴ 3ױ҅: APPLY ‣ ௏٘ ղਊਸ पઁ ੋ೐ۄী ߈৔ೠ׮. WRITE ௏٘ ੘ࢿ PLAN Ѩష APPLY ߈৔
29. ৘द - EC2 ੋझఢझ प೯ೞӝ
30. ৮ࢿػ ҳઑ
31. ৮ࢿػ ҳઑ 1. ࢲ࠺झ ௏٘о ߸҃غݶ
 Docker Hubীࢲ ੉޷૑ܳ
 ࠽٘೤פ׮.
32. ৮ࢿػ ҳઑ 2. Ӓ റ ѐߊ੗ח ECSо
 ࢜۽਍ ੉޷૑ܳ ࢎਊೞب۾ TERRAFORM ௏٘ܳ ࣻ੿೤פ׮.
33. ৮ࢿػ ҳઑ 3. TERRAFORM਷ ௏٘ܳ
 AWSী ߈৔೤פ׮.
34. ৮ࢿػ ҳઑ 4. ECSо ӝઓ ੉޷૑ܳ ࢜ ੉޷૑۽ Ү୓೤פ׮.
35. “Ӓؘ۠ TERRAFORM..
 ॄࠁפ ੿݈ ҡଳ؍оਃ?”
36. पઁ ࢎਊ೧ࠄ ࣗх ▸৘࢚ೞ૑ ޅೠ ୶о ࠺ਊ (1) ▸ HCLਸ ੊൤ח ؘ ೙ਃೠ ೟ण ࠺ਊ Terraform ੗୓঱য
37. पઁ ࢎਊ೧ࠄ ࣗх ▸৘࢚ೞ૑ ޅೠ ୶о ࠺ਊ (2) ▸ Terraform stateܳ ਬ૑ೞח ҙܻ ࠺ਊ
38. पઁ ࢎਊ೧ࠄ ࣗх ▸৘࢚ೞ૑ ޅೠ ୶о ࠺ਊ (2) ▸ Terraform stateܳ ਬ૑ೞח ҙܻ ࠺ਊ ↳ ?
39. TERRAFORM STATE ▸Terraform प೯ द ੷੢غח ؘ੉ఠ ▸ੌઙ੄ DBэ਷ ৉ೡਸ ೠ׮.
40. TERRAFORM STATE ▸Terraform प೯ द ੷੢غח ؘ੉ఠ ▸ੌઙ੄ DBэ਷ ৉ೡਸ ೠ׮. ↳ Ӓېࢲ ҙܻب DB୊ۢ ೧ঠ ೣ
41. STATE ҙܻ ▸ ౱ਗ рী ҕਬ ▸ lockਸ ੜ ࢸ੿೧ঠ ೣ ▸ ؕ஖о ழ૑ݶ ࢿמ੉ աࡅ૗ ▸ ࠙࢑ ࢸ҅ܳ ೞח ಞ੉ જ׮.
42. STATE ҙܻ ▸ ౱ਗ рী ҕਬ ▸ lockਸ ੜ ࢸ੿೧ঠ ೣ ▸ ؕ஖о ழ૑ݶ ࢿמ੉ աࡅ૗ ▸ ࠙࢑ ࢸ҅ܳ ೞח ಞ੉ જ׮. ➠DBܳ ਍৔ೞח Ѫҗ
 ࠺तೞ׮.
 (=ҙܻ࠺ਊ)
43. Ѿۿ ▸Terraform਷ ୭Ҋ੄ ࢶఖ੉ ইק૑ب.. ▸ ই૒ ખ ࠛউೠ 0.x ؀ ߡ੹ ▸ ৘࢚ࠁ׮ ࠛಞ೮؍ Ѿҗ ࢶ঱ ߑध ▸ Ansibleҗ ߽೯ೞח Ѫب Ҋ۰೧ࠅ ೙ਃо ੓ਸ ٠..
44. Ѿۿ ▸ೞ૑݅ IAC بҳח ԙ ࢎਊ೤द׮! ▸ ࢸ۸ Ӓѱ Terraform੉ ইפ؊ۄب.. ▸ ੉۱ ҙܻ, ੗زച, ࡅܲ ࣘب, ੤ࢎਊ … Why not? ▸ ݽٚ ੉۱җ ߸҃੉ ౵ঈغҊ ੓ਸ ٸ੄ बܻ੸ উ੿х
 ঐࣁನо ࢎۄ઎णפ׮.
45. ଵҊ੗ܐ ▸ Gruntwork - Why we use Terraform and not Chef, Puppet, Ansible, SaltStack, or CloudFormation
 (https://blog.gruntwork.io/why-we-use-terraform-and-not-chef-puppet-ansible- saltstack-or-cloudformation-7989dad2865c) ▸ TERRAFORM, VPC, AND WHY YOU WANT A TFSTATE FILE PER ENV
 (https://charity.wtf/2016/03/30/terraform-vpc-and-why-you-want-a-tfstate-file-per- env/)
46. Q&A