「出張このべん：猫カフェ×Ejectユーザー会、奇跡のコラボハンズオン！ConoHa byGMO」にて発表 http://conoha.doorkeeper.jp/events/14471

1. Part1
䜏䜣䛺䛷䜹䞁䝍䞁䟿
Eject䝝䞁䝈䜸䞁
Eject䝁䝬䞁䝗䝴䞊䝄䞊఍
䛒䛳䛝䛓
(
id:Akkieso3
)
2014/9/27
ฟᙇ䛣䛾䜉䜣䠖⊧䜹䝣䜵×Eject䝴䞊䝄䞊఍䚸
ወ㊧䛾䝁䝷䝪䝝䞁䝈䜸䞁䟿ConoHa
by
GMO
㻝

2. Eject䝁䝬䞁䝗䝴䞊䝄䞊఍䛸䛿
• CD-­‐ROM䝗䝷䜲䝤䛾䝖䝺䜲㛤㛢䜢฼⏝䛧䛶
• 䝖䝺䜲䛻Ⰽ䜣䛺䛣䛸䜢䛥䛫䜛ᕤస䜢స䜚
• 䝸䝰䞊䝖䜔䝍䜲䝬䞊➼䛷ᐇ⾜䛩䜛䛣䛸䛷
• QoL䛾ྥୖ䜢ヨ䜏䜛䝴䞊䝄䞊䛾㞟䛔䛷䛩
• ୺䛻䜸䞊䝥䞁䝋䞊䝇䜹䞁䝣䜯䝺䞁䝇䛷άື
• [Eject䚷䚷䚷䚷]
[᳨⣴]
㻞

3. 䝴䞊䝄䞊఍䛾䜰䜽䝔䜱䝡䝔䜱
• ⌧ᅾ⣙50ྡ(MLཧຍேᩘ)
• Google
Groups䜈䛾ධ఍䛚ᚅ䛱䛧䛶䛔䜎䛩
• OSC➼䛻ᒎ♧ཧຍ䛩䜛䝯䞁䝞䞊3ே(⚾䜢ྵ䜐)
• ௒ᚋ䛾ฟᒎணᐃ
– OSC2014
Tokyo/Fall(10/18-­‐19)
• OSCึ45ศ䝉䝭䝘䞊
㻟

4. 䝖䝺䜲䛻Ⰽ䜣䛺䛣䛸䜢䛥䛫䜛ᕤస
• 䝝䝮䝇䝍䞊䛻䜶䝃䜢䛒䛢䜛
• 䜶䜰䝁䞁䛾㟁※䜢᧯స䛩䜛
• AC㟁※䜢᧯స䛩䜛
• 㝖ኪ䛾㚝䜢䛴䛟
– ཤᖺ䜒䜔䜚䜎䛧䛯
㻠

5. VPS䛷Eject䜢䛩䜛䛸䛹䛖䛺䜛䠛
• ≀⌮ⓗ䛻䛿ఱ䜒䛚䛣䜙䛺䛔
• VPS䛿௬᝿䝬䝅䞁䛰䛛䜙……
– ConoHa䛿KVM䝝䜲䝟䞊䝞䜲䝄䛷ື䛔䛶䛔䜛
• ௬᝿䝬䝅䞁䛻䝯䝕䜱䜰䛜䝬䜴䞁䝖䛥䜜䛶䛔䛯ሙ
ྜ䛿௬᝿ⓗ䛻Eject䠄unmount䠅䛥䜜䜛
• ௒᪥䛾䝝䞁䝈䜸䞁䛷䛿䚸VPS䛛䜙ᡭඖ䛾CD-­‐
ROM䝗䝷䜲䝤䜢Eject䛩䜛
㻡

6. VPS䛛䜙Eject䛩䜛฼Ⅼ
• ⮬Ꮿ䛷Web䝃䞊䝞䞊䜢බ㛤䛧䛺䛟䛶䜒Ⰻ䛔
• 䝥䝻䝞䜲䝎䛛䜙ືⓗ䛻๭䜚ᙜ䛶䜙䜜䜛䜾䝻䞊
䝞䝹IP䜰䝗䝺䝇䜢Ẽ䛻䛩䜛ᚲせ䛜䛺䛟䛺䜛
• 䝫䞊䝖㛤ᨺ䛺䛹䛾ᡭ㛫䛜䛺䛟䛺䜛
• 䝉䜻䝳䝸䝔䜱䝸䝇䜽䛾పῶ
㻢

7. ௙⤌䜏䜢⪃䛘䛶䜏䜘䛖
• VPS䛻Web
API䜢⏝ព
• 䝴䞊䝄䞊䛜VPS䛾Web䛻䜰䜽䝉䝇䛧䛶䝪䝍䞁䜢
ᢲ䛩䛸API䛜Ejectྍ䛾≧ែ䜢㏉䛩䜘䛖䛻䛺䜛
• 㐲㝸ᆅ䛻䛔䜛䝬䝅䞁䛜ᐃᮇⓗ䛻API䛻䜰䜽䝉
䝇䛧䛶䚸Ejectྍ䛾≧ែ䛰䛳䛯䜙Eject䜢ᐇ⾜
ConoHa
VPS
(1)Web⏬㠃䛛䜙
䚷䚷Ejectᐇ⾜
(2)Eject䝣䝷䜾䜢ྲྀᚓ
䚷䚷(䝫䞊䝸䞁䜾)
(3)Eject
㻣

8. Twier䜢ά⏝䛧䛶䜒䛷䛝䜛
• ᑓ⏝Twier䜰䜹䜴䞁䝖䜢⏝ព
• 䝴䞊䝄䞊䛜ᑓ⏝䜰䜹䜴䞁䝖䛻䝯䞁䝅䝵䞁䜢㏦䜛
• 㐲㝸ᆅ䛻䛔䜛䝬䝅䞁䛜䝇䝖䝸䞊䝭䞁䜾API䛻
䜘䛳䛶䝯䞁䝅䝵䞁䜢ཷಙ䛧䛶䚸Eject䜢ᐇ⾜
• 䜅䛑䜌Eject(
hp://j.mp/faveject
)䜢ཧ↷
Twier
(1)Eject⏝Twitter
䚷䜰䜹䜴䞁䝖䛻䝯䞁䝅䝵䞁
(2)䝇䝖䝸䞊䝭䞁䜾API䛷
䚷䚷䝯䞁䝅䝵䞁䜢ཷಙ
(3)Eject
㻤

9. ⏝ព䛩䜛䜒䛾
• ConoHa
VPS
– 䜏䛺䛥䜣CentOS
6.5䛿⏝ព䛧䜎䛧䛯䠛䘘
՞ਊ
՞)䘘
• Raspberry
Pi
– 䜒䛧䛟䛿ᖖ㥔䛥䛫䜙䜜䜛㐺ᙜ䛺䝬䝅䞁
• CD-­‐ROM䝗䝷䜲䝤
• IDE(SATA)-­‐USBኚ᥮䜿䞊䝤䝹
• Web
API䛾௙⤌䜏
㻥

10. Eject⎔ቃ䛾⏝ព
1. ConoHa
VPSୖ䛻Web
API䝇䜽䝸䝥䝖䜢タ⨨
2. Raspberry
Pi䛾⏝ព
1. OS䜲䞁䝇䝖䞊䝹(タᐃ῭)
2. eject䛸php5-­‐cli䜢䜲䞁䝇䝖䞊䝹(タᐃ῭)
3. 䝫䞊䝸䞁䜾⏝PHP䝇䜽䝸䝥䝖䜢タ⨨䛧䛶ConoHa
VPS䛾IP䜰䝗䝺䝇䜢タᐃ
4. crontab䛾グ㏙
3. Eject䛾䝔䝇䝖
㻝㻜

11. [₇⩦]ConoHa
VPS䛾⎔ቃస䜚
• Apache䛚䜘䜃PHP5䜢䜲䞁䝇䝖䞊䝹
– yum
install
-­‐y
hpd
php
• ௨ୗ䛾䝁䝬䞁䝗䜢ᐇ⾜䛧䛶䝣䜯䜲䜰䜴䜷䞊䝹タ
ᐃ䜢⾜䛖
#
iptables
–I
INPUT
–p
tcp
–dport
80
–j
ACCEPT
#
service
iptables
save
#
service
iptables
restart
㻝㻝

12. [₇⩦]ConoHa
VPS䛾⎔ቃస䜚
• ௨ୗ䛾URL䛛䜙PHP䝇䜽䝸䝥䝖䜢ྲྀᚓ
– hp://eject.kokuda.org/slides/140927handson.tgz
• /var/www/html௨ୗ䛻䝣䜯䜲䝹䜢ᒎ㛤
• remouiiin.php䜢㛤䛔䛶䝟䝇䝽䞊䝗䜢タᐃ
䠄௵ព䠅
• hp://VPS䛾IP/remouiiin.php
䜢㛤䛟
㻝㻞

13. remouiiin.php
䛻䛴䛔䛶
• Web䝨䞊䝆䛷䝪䝍䞁䜢ᢲ䛩䛸䜹䜴䞁䝖䜰䝑䝥䛩
䜛䛰䛡䛾䝇䜽䝸䝥䝖
• GET䝟䝷䝯䞊䝍䛻䝟䝇䝽䞊䝗䜢䛴䛡䜛䛸䜹䜴䞁
䝖䜢ྲྀᚓ䠃䝸䝉䝑䝖䛷䛝䜛
– ᐇ㝿䛿POST䛸䛛䛾䜋䛖䛜ᮃ䜎䛧䛔䛡䛹௒ᅇ䛿䝔
䝇䝖⏝䛺䛾䛷␎
• 䝋䞊䝇䝁䞊䝗䛿ู⣬ཧ↷
㻝㻟

14. [₇⩦]Raspberry
Pi䛾⎔ቃస䜚(1)
• Raspberry
Pi䛻CD-­‐ROM䝗䝷䜲䝤䜢᥋⥆䛩䜛
• eject䝁䝬䞁䝗䜢ᐇ⾜䛧䛶ືస䜢☜ㄆ䛩䜛
• Raspberry
Pi䛾㟁※䜢ධ䜜䚸SSH᥋⥆䛩䜛
– IP䜰䝗䝺䝇:
10.0.10.(䜅䛫䜣䛾␒ྕ)
– 䝴䞊䝄䞊ྡ:
pi
– 䝟䝇䝽䞊䝗:
ejectuiiin
• /boot/ejepoll.php䜢㛤䛝௨ୗ䛾್䜢タᐃ
– ConoHa
VPS䛾IP䜰䝗䝺䝇
– 䝟䝇䝽䞊䝗䠄௵ព䠅
㻝㻠

15. ejepoll.php
䈜 /boot䛿FAT䝣䜷䞊䝬䝑䝖䛾䛯䜑root䝴䞊䝄䞊ᶒ㝈䛷⦅㞟䛩䜛
?php
$password
=
md5(uiiin);
$addr
=
'VPSのIP';
$count
=
file_get_contents(
'http://'.$addr.'/remouiiin.php?remoget='.
$password
);
if
(intval($count)
0)
{
exec('/usr/bin/eject
-­‐T');
}
?
㻝㻡

16. [₇⩦]䜒䛧SSH᥋⥆䛷䛝䛺䛔᫬䛿
• MicroSD䜹䞊䝗䜢ྲྀ䜚ฟ䛧䛶䚸ᡭඖ䛾PC䛻ᕪ䛧
㎸䜐
• /boot䛜䝬䜴䞁䝖䛥䜜䜛䛾䛷䚸ejepoll.php䜢䜶
䝕䜱䝍䞊䛷㛤䛔䛶⦅㞟䛩䜛
䠻ேேேேே䠻
䠚䚷䝏䞊䝖䚷䠘
䢟^Y^Y^Y^Y^䢟
㻝㻢

17. Raspberry
Pi䛾⎔ቃస䜚(2)
• crontab
–e䜢ᐇ⾜䛧䛶䚸௨ୗ䛾䛸䛚䜚グ㏙
䠄10⛊䛤䛸䛻remouiiin.php䛾䜹䜴䞁䝖䜢☜ㄆ䛩
䜛䠅
*
*
*
*
*
/usr/bin/php5
/home/pi/ejepoll.php
*
*
*
*
*
sleep
10
;
/usr/bin/php5
/home/pi/ejepoll.php
*
*
*
*
*
sleep
20
;
/usr/bin/php5
/home/pi/ejepoll.php
*
*
*
*
*
sleep
30
;
/usr/bin/php5
/home/pi/ejepoll.php
*
*
*
*
*
sleep
40
;
/usr/bin/php5
/home/pi/ejepoll.php
• ௒᪥䛿タᐃ῭䜏䠄☜ㄆ䛧䛶䜏䛶䛟䛰䛥䛔䠅
㻝㻣

18. [₇⩦]ືస䜢☜ㄆ䛩䜛
• 䝤䝷䜴䝄䛛䜙VPS䛻䜰䜽䝉䝇䛧䛶䚸䛂䝸䝰䞊䝖Eject
䜢ᐇ⾜䛃䝪䝍䞁䜢ᢲ䛩
• 10⛊๓ᚋ䛷Eject䛥䜜䜜䜀ᡂຌ
• Eject䛥䜜䛺䛔ሙྜ䛿௨ୗ䛾Ⅼ䜢☜ㄆ
– 䝗䝷䜲䝤䛜ṇ䛧䛟᥋⥆䛥䜜䛶䛔䜛䛛
䠄䝗䝷䜲䝤䛾㟁※ON→䝗䝷䜲䝤ഃ䜿䞊䝤䝹→RPiഃ䜿䞊
䝤䝹䛾㡰䛻⾜䛖䠅
– 䝗䝷䜲䝤䛜ㄆ㆑䛥䜜䛶䛔䜛䛛
䠄ls
–l
/dev/sr*
䜔㻌lsusb㻌䛺䛹䠅
– 䝇䜽䝸䝥䝖䛾グ㏙䝭䝇䛜䛺䛔䛛
㻝㻤

19. 䜎䛸䜑
• VPS䛷䜒Eject䛿䛷䛝䛯
• remouiiin䛜㏉䛩್䜢ኚ䛘䛯䜚䚸eject䝁䝬䞁䝗
䜈䛾䜶䜲䝸䜰䝇䛻䛩䜜䜀䜒䛳䛸䛭䜜䛳䜍䛟䛷䛝
䜛䛸ᛮ䜟䜜䜛
• Ẽ䜢䛴䛡䜛䜉䛝䛿Eject䛿ᡭẁ䛷䛒䜚┠ⓗ䛷䛿
䛺䛔䛣䛸
– 䛣䛾⤖ᯝ䜢ぢ䛶䛂䛯䛾䛧䛔䟿䟿䛃䛷⤊䜟䜛䛰䛡䛷
䛿䛰䜑
– Eject䛷ᚓ䜙䜜䜛䝖䝺䜲㛤㛢䛾㐠ື䜢ά⏝䛩䜉䛧
㻝㻥

20. Part2
ConoHa㐃ᦠ䛾⊧䜎䛳䛧
䛠䜙⤥㣵Eject䝅䝇䝔䝮
Eject䝁䝬䞁䝗䝴䞊䝄䞊఍
䛒䛳䛝䛓
(
id:Akkieso3
)
2014/9/27
ฟᙇ䛣䛾䜉䜣䠖⊧䜹䝣䜵×Eject䝴䞊䝄䞊఍䚸
ወ㊧䛾䝁䝷䝪䝝䞁䝈䜸䞁䟿ConoHa
by
GMO
㻞㻜

21. 䝖䝺䜲㛤㛢䛾㐠ື䜢ά⏝䛧䜘䛖
• CD-­‐ROM䝗䝷䜲䝤䛿Eject䝁䝬䞁䝗䛻䜘䛳䛶䝖䝺䜲
䛾㛤㛢㐠ື䜢ᚓ䜛䛣䛸䛜䛷䛝䜛
– Eject䛩䜛䠙䝖䝺䜲䛷ᢲ䛩
– Load䛩䜛䠙䝖䝺䜲䛷ᘬ䛟
• ᇶᮏⓗ䛻䛿䝖䝺䜲䛷ᢲ䛩䛸䛝䛾ື䛝䜢౑䛖䛣䛸
䛜ከ䛔
– 䝪䝍䞁䜢ᢲ䛩
– 䛚䜒䜚䜢✺䛝ⴠ䛸䛩
㻞㻝

22. ⤥㣵䛾౛
• 䝝䝮䝇䝍䞊䛾⤥㣵
– ⚾䛜㛤Ⓨ䛧䛯ึ䜑䛶䛾Eject䝁䝬䞁䝗ᕤస
– ⌧ᅾ䜒ฟᙇ䛾᫬䛺䛹䛻౑⏝
• 䝖䝺䜲䛷㣵䜢ᢲ䛧䛶ୗ䛻ⴠ䛸䛩䝟䝍䞊䞁
㻞㻞

23. ⊧䜈䛾⤥㣵
• ᾏእ䛻஦౛䛒䜚(2006ᖺ䟿)
– hp://www.leeholmes.com/blog/2006/08/
22/diy-­‐cat-­‐feeder-­‐and-­‐water-­‐dispenser/
• 䝺䝞䞊䜢ᢲ䛧䛶䛔䜛㛫㣵䛜ฟ䛶䛟䜛䠙ᢲ䛩䞉ᘬ
䛟୧᪉౑䛖䝍䜲䝥
←CD-ROM䝗䝷䜲䝤
⤥㣵⿦⨨→
㻞㻟

24. ⏝ព䛩䜛䜒䛾
• 㣵䜢ධ䜜䜛⟽䠄∵ங䝟䝑䜽䛺䛹䠅
• ㍯䝂䝮ᩘᮏ
• ཌ⣬䛛䝎䞁䝪䞊䝹∦
• 䛾䜚䛛䝔䞊䝥
• 䝝䝃䝭䞉䜹䝑䝍䞊
• ᅵྎ䛾⟽
㻞㻠

25. ⤥㣵⿦⨨䛾సᡂ
• ⟽䛾ഃ㠃䛾ୗ䛾᪉䜢ୗ䞉ᕥ䞉ྑ䛾3᪉ྥ䛻ษ
䜚䛣䜏䜢ධ䜜䜛
• ୗ䛾㒊ศ䛻䝺䝞䞊䜢ྲྀ䜚௜䛡䜛
• ษ䜚㎸䜏䛾ୖ䛛䜙1/3
䛟䜙䛔䛾㒊ศ䛻㍯䝂䝮
䜢ྲྀ䜚௜䛡䜛
• ᅵྎ䜢⏝ព䛧䛶䚸䜔䜔
ᩳ䜑䛻ྲྀ䜚௜䛡䜛
䠄ヨసရ䠅
㻞㻡

26. [₇⩦]䜔䛳䛶䜏䜘䛖ᨵⰋⅬ
• ᮏ᪥䛿䜹䝣䜵ෆ䛷ᕤస䛜䛷䛝䛺䛔䛾䛷䚸᏶ᡂ
ရ䜢䛔䛟䛴䛛⏝ព
• Part1䛷స䛳䛯Eject⎔ቃ䛻タ⨨䛧䛶䚸㣵䜢䛒䛢
䛶䜏䜘䛖
• ᾏእ䛾౛䛾䜘䛖䛻䚸ẁ䝪䞊䝹䛷䜹䝞䞊䜢䛩䜛
䛸䚸䜘䜚䛭䜜䜙䛧䛔ぢ䛯┠䛻䛺䜛䚸䛿䛪
㻞㻢

27. 䜰䞁䜿䞊䝖䛻䛤༠ຊ䛟䛰䛥䛔
• ฟᙇ䛣䛾䜉䜣䠖⊧䜹䝣䜵×Eject䝴䞊䝄䞊఍䚸ወ
㊧䛾䝁䝷䝪䝝䞁䝈䜸䞁䟿䜰䞁䜿䞊䝖䝣䜷䞊䝮
• hps://www.conoha.jp/survey/3495.html
㻞㻣