JJUG CCC Fall 2014 [R5-3] Spring Bootハンズオン～Spring Bootで作るマイクロサービスアーキテクチャ！の手順書です。 講義資料は後日アップロードします。

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$ tar xzvf redis-2.8.17.tar.gz
$ cd redis-2.8.17
$ make
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@RequestMapping(value = /, method = RequestMethod.POST)
ResponseEntityString save(@RequestParam String url) {
if (urlValidator.isValid(url)) {
String hash = /* TODO (1) URLをハッシュ化。ハッシュアルゴリズムには 32-bit murmur3 algorithm を使用する。 */;
// ヒント: com.google.common.hash.Hashing.murmur3_32()を使う
// TODO (2) urlMapにhashに紐づくURLを追加する。
return new ResponseEntity(urlShortenUrl + / + hash, HttpStatus.OK);
} else {
return new ResponseEntity(HttpStatus.BAD_REQUEST);
}
}
UrlShortener®è¸žÌ®é®cr|Run UrlShortener.main()ž®é®cr[laP}
’Az”RwŽöísYŠe}
$ cd (ハンズオン資材のルートフォルダ)/exercise/01-urlshortener
$ mvn spring-boot:run -f urlshortener/pom.xml
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9. $ curl -X POST http://localhost:8080 -d url=http://google.com
http://localhost:8080/58f3ae21
$ curl -X GET http://localhost:8080/58f3ae21
http://google.com
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11. $ cd (ハンズオン資材のルートフォルダ)/software/redis-2.8.17
$ ./src/redis-server
[34286] 09 Nov 05:27:07.455 # Warning: no config file specified, using the default config. In order to specify a config file use ./src/redis-server /path/to/redis.[34286] 09 Nov 05:27:07.457 * Increased maximum number of open files to 10032 (it was originally set to 2560).
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( ' , .-` | `, ) Running in stand alone mode
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| `-._ `._ / _.-' | PID: 34286
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[34286] 09 Nov 05:27:07.465 # Server started, Redis version 2.8.17
[34286] 09 Nov 05:27:07.466 * DB loaded from disk: 0.001 seconds
[34286] 09 Nov 05:27:07.466 * The server is now ready to accept connections on port 6379
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final ConcurrentHashMapString, String urlMap = new ConcurrentHashMap();
// ↓
@Autowired StringRedisTemplate redisTemplate;
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urlMap.putIfAbsent(hash, url);
// ↓
redisTemplate.opsForValue().set(hash, url);
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String url = urlMap.get(hash);
// ↓
String url = redisTemplate.opsForValue().get(hash);
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$ java -jar gitbucket.war
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foo: 123456
bar: abcdef

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foo: Hello!
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spring.cloud.config.server.uri: http://localhost:8080/git/root/config-repo.git
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$ cd (ハンズオン資材のルートフォルダ)/exercise/02-distributed-config
$ mvn spring-boot:run -f configserver/pom.xml
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$ curl http://localhost:8888/admin/env
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17. $ curl http://localhost:8888/admin/env | jq .
{
defaultProperties: {
spring.config.name: configserver
},
applicationConfig: [classpath:/bootstrap.yml]: {
spring.cloud.config.server.uri: http://localhost:8080/git/root/config-repo.git
},
applicationConfig: [classpath:/configserver.yml]: {
management.context_path: /admin,
spring.application.name: configserver,
server.port: 8888,
info.component: Config Server,
spring.jmx.default_domain: cloud.config.server
},
// ... 省略
}
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$ curl http://localhost:8888/foo/default | jq .
{
propertySources: [
{
source: {
foo: 123456,
bar: abcdef
},
name: http://localhost:8080/git/root/config-repo.git/foo.properties
}
],
label: master,
name: default
}
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$ curl http://localhost:8888/foo/development
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$ curl http://localhost:8888/foo/development | jq .
{
propertySources: [
{
source: {
foo: Hello!
},
name: http://localhost:8080/git/root/config-repo.git/foo-development.properties
},
{
source: {
foo: 123456,
bar: abcdef
},
name: http://localhost:8080/git/root/config-repo.git/foo.properties
}
],
label: master,
name: development
}
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W–Še}
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urlshorten:
url: http://localhost:${server.port}
spring:
redis:
host: localhost # server host
password: # server password
port: 6379 # connection port
pool:
max-idle: 8 # pool settings ...
min-idle: 0

18. max-active: 8
max-wait: -1
endpoints.restart:
enabled: true
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$ curl http://localhost:8888/urlshortener/default
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$ curl http://localhost:8888/urlshortener/default | jq .
{
propertySources: [
{
source: {
spring.redis.pool.max-idle: 8,
spring.redis.password: ,
spring.redis.host: localhost,
spring.redis.port: 6379,
urlshorten.url: http://localhost:${server.port},
endpoints.restart.enabled: true,
spring.redis.pool.max-active: 8,
spring.redis.pool.min-idle: 0,
spring.redis.pool.max-wait: -1
},
name: http://localhost:8080/git/root/config-repo.git/urlshortener.yml
}
],
label: master,
name: default
}
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ž±écr[laP}
dependency
groupIdorg.springframework.cloud/groupId
artifactIdspring-cloud-starter/artifactId
/dependency
dependency
groupIdorg.springframework.boot/groupId
artifactIdspring-boot-starter-actuator/artifactId
/dependency
Šk|VSMTIPSUFOFSzCPPUTUSBQZNMw

19. spring:
application:
name: urlshortener
Xa˜rP—_tž±écr[laP}
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wÜ–ÇsO”cŠe}
$ cd (ハンズオン資材のルートフォルダ)/exercise/02-distributed-config
$ mvn spring-boot:run -f urlshortener/pom.xml -Drun.arguments=--server.port=8081
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$ curl -X POST http://localhost:8081 -d url=http://google.com
http://localhost:8081/58f3ae21
$ curl -X GET http://localhost:8081/58f3ae21
http://google.com
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z–ž/TŠc“R}
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P}
urlshorten.urlžhttp://localhost:9999w/Òcr°$PNNJUDIBOHFT±ž®é®cr[laP} _z{?sžJcŠe
}

20. /Òž`íe—¼w|$POGJH$MJFOUÖzÖìÐÅ¢ž±écŠc“R}
$ curl -X GET http://localhost:8081/env/urlshorten.url
http://localhost:8081
Õw$POGJH$MJFOUžSFGSFTIcŠe}
$ curl -X POST http://localhost:8081/refresh
[urlshorten.url]
$ curl -X GET http://localhost:8081/env/urlshorten.url
http://localhost:9999
/ÒX`ía˜Šck}cWc|’Azó–%*I‹zÖìÐÅ¢w%*{a˜rPŠgŸ}
$ curl -X POST http://localhost:8081 -d url=http://google.com
http://localhost:8081/58f3ae21
_{$POGJH$MJFOUžSFTUBSUcŠe}
$ curl -X POST http://localhost:8081/restart
{message:Restarting}
SFTUBSU {|?zÖìÐÅ¢s%*a˜rP—_tX›W–Še}
$ curl -X POST http://localhost:8081 -d url=http://google.com
http://localhost:9999/58f3ae21
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±„zÖìÐÅ¢£ò·¦®¶æò`ížSFGSFTIsíT—”Rw|UrlShortener®è¸ž
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@EnableAutoConfiguration
@ComponentScan
@RestController
@RefreshScope // ここを追加
public class UrlShortener {
// 略
}
mvn spring-boot:runsO”ck°63-„_´–Ò¸±ž$USM

21. $s=’cr|_öícr[laP}
$ mvn spring-boot:run -f urlshortener/pom.xml -Drun.arguments=--server.port=8081
x{’Az”RwOW§òÈÜ£òÇw1045e—_ts²òÔ¢­äë–¶æòž/ÒcŠc“R}
$ curl -X POST http://localhost:8081/env -d urlshorten.url=http://127.0.0.1:9999
{urlshorten.url:http://127.0.0.1:9999}

22. _|SFGSFTIžíP|ŽR´_°63-„_´–Ò¸±„鮧¸Çž–Šc“R}
$ curl -X POST http://localhost:8081/refresh
[]
$ curl -X POST http://localhost:8081 -d url=http://google.com
http://127.0.0.1:9999/58f3ae21
SFTUBSUe—_tv[|¡Öé°–¶æòwÖìÐÅ¢X`ía˜k_tX›W–Še}
$POGJH4FSWFS|$POGJH$MJFOUtŽw$USM

23. $s=’cr[laP} (JUCVDLFU
3FEJT{O”ckŠŠwcr[laP}¥
?3 Spring Cloud NetflixsÝ£®ì´–Ò¸¡–¬Å®ÀâÖ¤
?s{4QSJOH$MPVE/FUGMJYžžokF“vо–òž9ncŠe}
?sR¶¸Åßz¡–¬Å®Àâ.ž’AwÜcŠe}
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°'JMF±°*NQPSU.PEVMF±s?Öì·¦®Çž£òÜ–ÇcŠe}° Îò¹©òÇXzê–ÇÔ¨ê¿
FYFSDJTF
OFUGMJY±ž¶]cr[laP}

24. DPOGJHTFSWFS{$POGJH4FSWFSžckÖì·¦®Çse}?t•dse}
FVSFLBTFSWFS{4FSWJDF%JTDPWFSZsN—VSFLBžO”e—Öì·¦®Çse}¿Â¶äÛ–ÈŽŸcŠe}
IZTUSJYEBTICPBSE{)ZTUSJYz¿Â¶äÛ–ÈžŸe—Öì·¦®Çse}
VSMTIPSUFOFS{?w$POGJH$MJFOUz•#žðHckÖì·¦®Çse}
VSMTIPSUFOFSVJ{°63-„_´–Ò¸±zmæse}RestClientt$MJFOU-PBECBMBODFSz3JCCPžžorVSMTIPSUFOFSw¡®
º¸cŠe}
u˜Ž=wI‹s|Lw²–Æ¢ò¯e—«P{N–ŠgŸ}ÖW•zwwO”cŠe}
?sO”ck(JUCVDLFUX«Psezs|=’crcŠokÝ{öícr[laP}
Config ServerzO”
?•Fw|’Az²ÝòÈs$POGJH4FSWFSžO”cr[laP}
$ cd (ハンズオン資材のルートフォルダ)/exercise/03-netflix
$ mvn spring-boot:run -f configserver/pom.xml
Service Discovery (Eureka Server)zO”

25. ’Az²ÝòÈsVSFLB4FSWFSžO”cr[laP}
$ cd (ハンズオン資材のルートフォルダ)/exercise/03-netflix
$ mvn spring-boot:run -f eureka-server/pom.xml
IUUQMPDBMIPTUsVSFLB4FSWFSz¿Â¶äÛ–Èw¡®º¸sYŠe}
xÔFs{VSFLB4FSWFSwVôa˜rP—£ò¸¾ò¸{N–ŠgŸ}
Circuit Breaker Monitor (Hystrix Dashboard)zO”

26. ’Az²ÝòÈs)ZTUSJY%BTICPBSEžO”cr[laP}
$ cd (ハンズオン資材のルートフォルダ)/exercise/03-netflix
$ mvn spring-boot:run -f hystrix-dashboard/pom.xml
O” |Â-ok•VSFLB4FSWFSz¿Â¶äÛ–Èw¡®º¸cr[laP}
)ZTUSJY%BTICPBSEXVSFLBwVôa˜k_tX
W–Še ¡–¬Å®Àâ.wMa˜rPŠgŸX|$JSDVJU#SFBLFS.POJUPS
W•4FSWJDF%JTDPWFSZ„z¬ö|se
}
s{)ZTUSJY%BTICPBSEw¡®º¸cŠc“R}IUUQMPDBMIPTUw¡®º¸cr[laP}

27. ¯zâ¦Ô¨–ßw{)ZTUSJYžqJck´–Ò¸záQž¤e—kzFWFOUTUSFBNz63-ž®e—_ts|iz´–Ò
¸žáʾéò¯e—_tXsYŠe}
Š l )ZTUSJY ž q J c k ´ – Ò ¸ X v P k  | _ _ s { Æ á J z .PDL 4USFBN ž ž J c Š
e}IUUQMPDBMIPTUNPDLTUSFBNžâ¦cr|°.POJUPS4USFBN±ž®é®cr[laP}
)ZTUSJYz£ØòÇžáʾéò¯sYŠe}

28. ‡u°63-„_´–Ò¸±zFWFOUTUSFBNžáʾéò¯cŠe}
°URL„_´–Ò¸±zO”
Õw?W•žP]rP—°63-„_´–Ò¸±žO”cŠe}
‡u_z°63-„_´–Ò¸±žQO”cŠe}VSFLBw*IPTUOBNFtcréåag—k|N•WdFUDIPTUTw’A
zžðHcrVYŠe}
127.0.0.1 urlshortener1 urlshortener2 urlshortener3
¡|?zVSMTIPSUFOw;cr|’Az/ÒžHTrPŠe}
UrlShortener®è¸XVSFLBz®è£¡òÇwv—kw@EnableEurekaClientžðHcrPŠe}
@EnableAutoConfiguration
@ComponentScan
@RestController
@RefreshScope
@EnableEurekaClient // 追加
public class UrlShortener {
// 略
}
BQQMJDBUJPOZNMwVSFLBwe—áQžðHcrPŠe}
eureka:

29. client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
instance:
hostname: ${APPLICATION_DOMAIN:127.0.0.1}
nonSecurePort: ${server.port}
i˜s{°63-„_´–Ò¸±žO”cŠc“R}QPSUtVSFLBwVôe—IPTUOBNFž®cŠe}
$ cd (ハンズオン資材のルートフォルダ)/exercise/03-netflix
$ mvn spring-boot:run -f urlshortener/pom.xml
-Drun.arguments=--server.port=8081,--eureka.instance.hostname=urlshortener1
O” |Â-ok•VSFLB4FSWFSz¿Â¶äÛ–Èw¡®º¸cr[laP}
VSMTIPSUFOFSXVSFLBwVôa˜k_tX
W–Še}
°URL„_´–Ò¸±UIzO”
? z´–Ò¸tcr°63-„_´–Ò¸±6*žO”cŠe}
O”e—¼w6*Jz²òÔ¢­äë–¶æòžfcŠe}
$POGJH3FQPTJUPSZw¡®º¸cr|VSMTIPSUFOFSVJZNMžfc|’AzÆ?žMecr[laP}
urlshorten.api.url: http://urlshortener

30. endpoints.restart:
enabled: true
6*žwÜ–ÇsO”cŠe}
$ mvn spring-boot:run -f urlshortener-ui/pom.xml -Drun.arguments=--server.port=9999
O” |Â-ok•VSFLB4FSWFSz¿Â¶äÛ–Èw¡®º¸cr[laP}
VSMTIPSUFOFSVJXVSFLBwVôa˜k_tX
W–Še}
i˜s{IUUQMPDBMIPTUw¡®º¸cŠc“R}

31. VSMâ¦Ô¨–ßw°IUUQHPPHMFDPN±žâ¦cr|ýÛ¾òž®é®cŠc“R}
Ï®§òÈz°63-„_´–Ò¸±X|˜r„_63-X¼Üa˜Še}

32. ¼Üa˜k63-ž®é®e—tIUUQHPPHMFDPN„é¿£ë®Ça˜Še}
VSMTIPSUFOVJs{)ZTUSJY

33. 3JCCPOžžJcr|VSMTIPSUFOz´–Ò¸žDBMMcrPŠe}
)ZTUSJYzFWFOUTUSFBN{IUUQMPDBMIPTUIZTUSJYTUSFBNs¡®º¸sYŠe}
)ZTUSJY%BTICPBSEwIUUQMPDBMIPTUIZTUSJYTUSFBNžâ¦cráʾéò¯cr‹Šc“R}

34. 6*W•´–Ò¸žcetáʾéò¯mæw`ía˜Še}
°URL„_´–Ò¸±z¸°–ê¡¥Ç

35. ? w°63-„_´–Ò¸±žNt£ò¸¾ò¸O”c|3JCCPOw”—ì–ÈÏèò¶ò¯ž9ncŠc“R}
í|°63-„_´–Ò¸±žO”cŠc“R}
£ò¸¾ò¸{QPSU
IPTUOBNFVSMTIPSUFOFSsO”cŠe}
$ cd (ハンズオン資材のルートフォルダ)/exercise/03-netflix
$ mvn spring-boot:run -f urlshortener/pom.xml
-Drun.arguments=--server.port=8082,--eureka.instance.hostname=urlshortener2
£ò¸¾ò¸{QPSU
IPTUOBNFVSMTIPSUFOFSsO”cŠe}
$ cd (ハンズオン資材のルートフォルダ)/exercise/03-netflix
$ mvn spring-boot:run -f urlshortener/pom.xml
-Drun.arguments=--server.port=8083,--eureka.instance.hostname=urlshortener3
Í–È|Í–ÈO” Â-ok•|VSFLB4FSWFSz¿Â¶äÛ–Èw¡®º¸cr[laP}
VSMTIPSUFOFS´–Ò¸w;crpz£ò¸¾ò¸XVôa˜Šck}
6*s{3JCCPOžqJe—_ts|§z£ò¸¾ò¸w¡®º¸crP—›]s{v[|http://urlshortenertPR”Rw´–Ò¸Ø
w;cr¡®º¸crV–|è¥òÈìÒòzì–ÈÏèò¶ò¯X훘Še}
PŠzf–lt|uz£ò¸¾ò¸s63-„_X훘rP—W
W•vPzs|’Az”Rv/ÒžíPŠc“R}
curl -X POST http://localhost:8081/env -d urlshorten.url=http://localhost:${server.port}
curl -X POST http://localhost:8081/refresh

36. curl -X POST http://localhost:8082/env -d urlshorten.url=http://localhost:${server.port}
curl -X POST http://localhost:8082/refresh
curl -X POST http://localhost:8083/env -d urlshorten.url=http://localhost:${server.port}
curl -X POST http://localhost:8083/refresh
_˜s6*W•D_Žé®§¸Çž—t|©£ò¸¾ò¸XzwwžJa˜rP—_tX
W–Še}
u˜Wz£ò¸¾ò¸žgtck–|ûŒagk–crDXO_—WÄcr‹r[laP}
Í–Ç z”Ô3–z§è–PfxDXcYP–žÝT—t$JSVJUX0QFOæAwv–|´Ôfot§è–ž4e”Rwv
–Še}
Št
˜?žódr’AzÆ?ž»Šck}
?s{4QSJOH#PPUžžor

37. zwÝ£®ì´–Ò¸žfe—[]ž»Šck}ŠkDís3FEJTw;%e—[]Ž»
Šck}
?s{4QSJOH$MPVE$POGJHžžor”0²òÔ¢­äë–¶æòzíP[ž»Šck}
?s{4QSJOH$MPVE/FUGMJYžžorÝ£®ì´–Ò¸¡–¬Å®ÀâwV]—P[pWzо–òžöxcŠck}
a•v—»?w{4QSJOH$MPVEz3FGFSFODFžˆ¹cr[laP}