Schnelldurchlauf Docker

DevOps - Continuous Delivery mit Jenkins und Docker
JUG Saxony, 06. November 2014

Transcript

2. 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 2'
3. Container'vs'VM' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 3' Virtual'Machine' App'A' RunIme' Guest'OS' App'B' RunIme' Hypervisor'/'Host'OS' Physical'Server' Docker' Docker' App'A' RunIme' App'A' RunIme' Docker'Engine' Host'OS' Physical'Server'
4. Docker'Components' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 4' Union'/'Layer'FS' CGroups' Namespaces' Libcontainer'(LXC,'…)' Docker' Linux'Kernel'
5. Windows' Docker'Architecture' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 5' Docker'Client' Docker'Client' Mac'OS'X' Docker'Client' Docker'Host'(Linux)' Docker'Client' Docker'Daemon' RESTful'API' Socket' Docker'Container' Docker'Container' Docker'Container' Docker'Container'
6. Docker'Images'&'Container' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 6' boobs' kernel' cgroups,'namespaces,'device'mapper' base'image' ubuntu' image' image' writable'container' add'java' add'tomcat' Image'(ro)' Container'
7. docker'info' •  InformaIonen'about'Docker'and'environment' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 7'
8. docker'info' •  InformaIonen'about'Docker'and'environment' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 8'
9. docker'ps'()a)' •  list'container'and'status' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 9'
10. docker'run' •  run'a'process'(inside'container:'in'foreground)' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 10'
11. docker'run')it' •  run'command'in'a'container'interacIve' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 11'
12. docker'run')d' •  run'command'in'a'container'daemonized' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 12'
13. docker'start/stop' •  start/stop'a'container' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 13'
14. docker'exec' •  execute'command'in'running'container' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 14'
15. docker'images'()a)' •  list'images'(local'registry/repository)' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 15'
16. Dockerfile' •  describes'how'to'build'a'Docker'image' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 16'
17. docker'build' •  build'a'Docker'image' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 17'
18. Docker'grafisch')'DockerUI' •  analog'CLI'nur'grafisch';))' •  hkps://github.com/crosbymichael/dockerui' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 18'
19. UND$DAMIT$ZURÜCK$ZU$NICO$…$ 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 19'
20. Schnelldurchlauf'Docker' Fortsetzung'
21. Development'with'Docker' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 21' Acceptance'Tests' Performance'Tests' ExploraIve'Tests' ProdukIon' build' Docker'Repository'
22. Development'with'Docker' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 22' docker build –tag=image_under_test .! docker run –name=c01 –d –P image_under_test! ! # do something more or less useful ! # aka testing! ! docker stop c01! docker rm c01!
23. Dockerhub' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 23'
24. Private'Registry' •  docker'run'–d'–p'5000:5000'//name=repo' registry' •  docker'run'/d'/p'9080:8080'//name=repo/ui' atcol/docker/registry/ui' ' •  http://192.168.59.103:5000'' •  http://192.168.59.103:5000/v1/search' •  http://192.168.59.103:9080/repository/index'' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 24'
25. Private'Registry' •  docker'tag'befi/sshd' 192.168.59.103:5000/befi/sshd' •  docker'push'''''''''''''' 192.168.59.103:befi/sshd' ' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 25'
26. Container'ConfiguraIon' •  docker'run'–d'' /e'MYSQL_ROOT_PASSWORD=secret' /e'MYSQL_USER=username' /e'MYSQL_PASSWORD=usersecret' /e'MYSQL_DATABASE=db_name' mysql' ' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 26'
27. Docker'and'Persistent'Data' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 27' •  sharing'files'and'folder'with'host' •  data'container'
28. Docker'and'Persistent'Data' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 28' •  sharing'files'and'folder'with'host' ' )v'$(pwd)/html:/usr/share/nginx/html'
29. Docker'and'Persistent'Data' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 29' •  data'container' ' ))volumes)from=nginx''
30. Linking'Containers' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 30' ))link=<source_container>:<alias>' ))link=mysql:mysql'' mysql::mysql' ' Environment)Variables:' ' MYSQL_USER' MYSQL_PASSWORD' MYSQL_DATABASE' befi/jugdemo::jugdemo' ' Environment)Variables:' ' MYSQL_ENV_MYSQL_USER' MYSQL_ENV_MYSQL_PASSWORD' MYSQL_ENV_MYSQL_DATABASE' LINK'
31. Linking'Container' •  Beispielprojekt:'Java')>'MySql)DB' •  MySql' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 31' docker'run'//name=mysql' '/e'MYSQL_ROOT_PASSWORD=9876' '/e'MYSQL_USER=test' '/e'MYSQL_PASSWORD=1234' '/e'MYSQL_DATABASE=jugdemo' '/d'/P'mysql'
32. Linking'Container' •  Beispielprojekt:'Java')>'MySql)Database' •  Spring'Boot' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 32'
33. UND$DAMIT$ZURÜCK$ZU$NICO$…$ 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 33'
34. Schnelldurchlauf'Docker' Arbeitsumgebungen'für'Developer'
35. Boot2Docker' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 35' Virtual'Machine' Linux'with'Docker'Daemon' Docker' Container' Docker' Container'
36. Vagrant'&'Docker' •  on'non)Linux)Systems'based'on'Boot2Docker' •  provider' – build'images'and'run'container' •  provisioning' – build'images'and'run'container' – install'Boot2Docker'…' •  Einbindung'in'den'“Arbeitszyklus”'nicht'sehr' effekIv'(vagrant'reload/provision)' ' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 36'
37. Vagrant'&'Docker' •  Beispiel:'jugdemo' •  Auszug'“vagranbile”' ' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 37'
38. Packer'&'Docker' •  build'and'handle'images'without'Dockerfiles' ' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 38' {! “type”: “docker”,! “image”: “ubuntu”,! “export_path”: “image.tar”! }{! “postprocessors”: [[! {! “type”: “docker-tag”, ! “repository”: “befi/packer”, “tag”: “0.1”! }! “docker-push”! ]]! }!
39. Fig' •  OrchestraIon'(helper)'for'Docker' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 39' Bsp.:'Java')>'MySql)Database'
40. Summary'for'Developer' •  fast'and'simple' •  bash'scripIng'should'be'your'friend'…'!' •  “plain”'Docker'for'simple'use'cases'only' •  separaIon'of'code'and'data/status' – Immutable'Infrastructure/Phoenix'Server' •  separaIon'of'funcIonality' – ApplicaIon,'Logging,'Backup,'…' •  microservices'…' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 40'
41. Schnelldurchlauf'Docker' Plawormen'
42. CoreOS' •  minimal'OperaIng'System'(should'be'able'to'run' Docker'+'Container)' •  painless'UpdaIng' •  designed'for'Docker'Container' •  clustered'by'default' –  etcd,'systemd,'fleet' •  distributed'system'tools' –  distributed'locking,'master'elecIon' •  service'discovery' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 42'
43. and'more'…' •  OpenStack'(i.e.'Ubuntu'Hypervisor)' •  CloudFoundry' •  Kubernetes' •  …' •  Partnerschayen'mit' – Microsoy,'' – Google'(Ankündigung'auf'Cloud)Konferenz),'' – …' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 43'
44. VIELEN$DANK$FÜR$IHRE$ AUFMERKSAMKEIT!$ Fragen?' 06.11.2014' T)Systems'MMS'+'MindApproach'für'JUG'Saxony' 44'