ÔÚ¼ÆËã»ú±à³ÌÀÓкܶàºÜ¸´ÔӵĴúÂëÃüÁÿ¸öÃüÁ¸÷˾ÆäÖ°£¬ÔËÐв¢µÃµ½¶ÔÓ¦µÄ½á¹û¡£½ÓÏÂÀ´¾ÍÈÃÎÒÃǸø´ó¼Ò½éÉÜÏÂʲôÊÇÖØÆôdockerÈÝÆ÷ÃüÁDockerµÄÌØÐÔÊÇʲô£¿¸ÐÐËȤ¾ÍÁ˽âÏ°ɣ¡
.com/virtualhost/virtualhost.html?link=knowledgechatu">
ʲôÊÇÖØÆôdockerÈÝÆ÷ÃüÁî
dockerÈÝÆ÷ÊÇÎÒÃdz£ÓõÄÈÝÆ÷·þÎñÈí¼þ£¬ÕâÀïÎÒÃǽéÉÜÏÂËüµÄÖØÆôÃüÁîÈçºÎ²Ù×÷¡£
1.µÇ¼µ½·þÎñÆ÷ºó£¬Ê×ÏÈʹÓÃdocker psÃüÁ²é¿´ÈÝÆ÷ÁбíÕýÔÚÔËÐеÄÈÝÆ÷ÐÅÏ¢£»
2.ÖØÆôÃüÁdocker restartÈÝÆ÷Ãû³Æ»òÕßÈÝÆ÷id¡£²»¹ÜÈÝÆ÷ÊÇ·ñÆô¶¯£¬¿ÉÖ±½ÓÖØÆôÈÝÆ÷¡£ÔÙ´Î docker ps ²é¿´ÈÝÆ÷ÐÅÏ¢¡£
-t£º±íʾ¹Ø±ÕÈÝÆ÷µÄÏÞʱ£¬Èç¹û³¬Ê±Î´ÄܹرÕÔòÓÃkillÇ¿Öƹرգ¬Ä¬ÈÏÖµ10s£¬Õâ¸öʱ¼äÓÃÓÚÈÝÆ÷µÄ×Ô¼º±£´æ״̬¡£
dockerÔÚÉÌÒµÉÏÊÇÒ»¿î³É¹¦µÄ¿ªÔ´Èí¼þ£¬×Ô2013ÄêÒÔÀ´·Ç³£»ðÈÈ£¬ÈÃÈËÃÇÌáµ½ÈÝÆ÷¼¼Êõ¾ÍÄÜÏëµ½Ëü£¬ÒÑٲȻ³ÉΪÐÐÒµµÄ±ê¸Ë¡£
dockerÏà±ÈKVMÖ®Àà×îÃ÷ÏÔµÄÌصã¾ÍÊÇÆô¶¯¿ì£¬×ÊÔ´Õ¼ÓÃС¡£Òò´Ë£¬ÓÃÓÚ¹¹½¨¸ôÀëµÄ±ê×¼»¯µÄÔËÐл·¾³£¬ÇáÁ¿¼¶µÄPaaS£¬¹¹½¨×Ô¶¯»¯²âÊԺͳÖÐø¼¯³É»·¾³£¬ÒÔ¼°Ò»ÇпÉÒÔºáÏòÀ©Õ¹µÄÓ¦Óá£
´«Í³µÄÈÝÆ÷¼¼ÊõûÓгÉΪÖ÷Á÷µÄÔÒò£¬ÊÇÒòΪÆäδÄÜÌṩ±ê×¼»¯µÄÓ¦ÓÃÔËÐÐʱ»·¾³¡£¶øÒÔDockerΪ´ú±íµÄÐÂÒ»´úÈÝÆ÷¼¼ÊõÔò´ÓÒ»¿ªÊ¼¾ÍÒÔÌṩ±ê×¼»¯µÄÔËÐÐʱ»·¾³ÎªÄ¿±ê£¬ÕæÕý×öµ½ÁË¡°Ò»´Î½¨Á¢£¬Ëæ´¦ÔËÐС±¡£
DockerµÄÌØÐÔÊÇʲô
ÔÚdockerµÄÍøÕ¾ÉÏÌáµ½ÁËdockerµÄµäÐͳ¡¾°£º
1.Automating the packaging and deployment of applications£¨Ê¹Ó¦ÓõĴò°üÓ벿Êð×Ô¶¯»¯£©
2.Creation of lightweight, private PAAS environments£¨´´½¨ÇáÁ¿¡¢Ë½ÃܵÄPAAS»·¾³£©
3.Automated testing and continuous integration/deployment£¨ÊµÏÖ×Ô¶¯»¯²âÊԺͳÖÐøµÄ¼¯³É/²¿Êð£©
4.Deploying and scaling web apps, databases and backend services£¨²¿ÊðÓëÀ©Õ¹webapp¡¢Êý¾Ý¿âºÍºǫ́·þÎñ£©
ÓÉÓÚÆä»ùÓÚLXCµÄÇáÁ¿¼¶ÐéÄ⻯µÄÌص㣬dockerÏà±ÈKVMÖ®Àà×îÃ÷ÏÔµÄÌصã¾ÍÊÇÆô¶¯¿ì£¬×ÊÔ´Õ¼ÓÃС¡£Òò´Ë¶ÔÓÚ¹¹½¨¸ôÀëµÄ±ê×¼»¯µÄÔËÐл·¾³£¬ÇáÁ¿¼¶µÄPaaS(Èçdokku), ¹¹½¨×Ô¶¯»¯²âÊԺͳÖÐø¼¯³É»·¾³£¬ÒÔ¼°Ò»ÇпÉÒÔºáÏòÀ©Õ¹µÄÓ¦ÓÃ(ÓÈÆäÊÇÐèÒª¿ìËÙÆôÍ£À´Ó¦¶Ô·å¹ÈµÄwebÓ¦ÓÃ)¡£
1.¹¹½¨±ê×¼»¯µÄÔËÐл·¾³£¬ÏÖÓеķ½°¸´ó¶àÊÇÔÚÒ»¸öbaseOSÉÏÔËÐÐÒ»Ì×puppet/chef£¬»òÕßÒ»¸öimageÎļþ£¬ÆäȱµãÊÇÇ°ÕßÐèÒªbase OSÐí¶àÇ°ÌáÌõ¼þ£¬ºóÕß¼¸ºõ²»¿ÉÒÔÐÞ¸Ä(ÒòΪcopy on write µÄÎļþ¸ñʽÔÚÔËÐÐʱrootfsÊÇread onlyµÄ)¡£²¢ÇÒºóÕßÎļþÌå»ý´ó£¬»·¾³¹ÜÀíºÍ°æ±¾¿ØÖƱ¾ÉíÒ²ÊÇÒ»¸öÎÊÌâ¡£
2.PaaS»·¾³ÊDz»ÑÔ¶øÓ÷µÄ£¬ÆäÉè¼ÆÖ®³õºÍdotcloudµÄ°¸Àý¶¼Êǽ«Æä×÷ΪPaaS²úÆ·µÄ»·¾³»ù´¡¡£
3.ÒòΪÆä±ê×¼»¯¹¹½¨·½·¨(buildfile)ºÍÁ¼ºÃµÄREST API£¬×Ô¶¯»¯²âÊԺͳÖÐø¼¯³É/²¿ÊðÄܹ»ºÜºÃµÄ¼¯³É½øÀ´¡£
4.ÒòΪLXCÇáÁ¿¼¶µÄÌص㣬ÆäÆô¶¯¿ì£¬¶øÇÒdockerÄܹ»Ö»¼ÓÔØÿ¸öcontainer±ä»¯µÄ²¿·Ö£¬ÕâÑù×ÊÔ´Õ¼ÓÃС£¬Äܹ»ÔÚµ¥»ú»·¾³ÏÂÓëKVMÖ®ÀàµÄÐéÄ⻯·½°¸Ïà±ÈÄܹ»¸ü¼Ó¿ìËÙºÍÕ¼ÓøüÉÙ×ÊÔ´¡£
ÈçºÎɾ³ýdockerÈÝÆ÷²úÉúµÄÈÕÖ¾
dockerÓкܶàµÄÈÕÖ¾²å¼þ£¬µ±ÈÝÆ÷ÔËÐÐʱ£¬docker»áÔÚËÞÖ÷»úÉÏ´´½¨Ò»¸ö¸ÃÈÝÆ÷Ïà¹ØµÄÎļþ£¬È»ºó½«ÈÝÆ÷²úÉúµÄÈÕ־ת´æµ½ÎļþÏ¡£
dockerÈÝÆ÷ÈÕÖ¾Ò»°ã´æ·ÅÔÚ/var/lib/dockerÏÂÃ棬¿ÉʹÓÃÈçÏÂÃüÁî²é¿´¸÷¸öÈÕÖ¾µÄÎļþ´óС
ls -lh $(find /var/lib/docker/containers/ -name *-json.log)
ÈçºÎÇåÀíÈÕÖ¾
Èç¹ûdockerÈÝÆ÷ÕýÔÚÔËÐУ¬ÄÇôʹÓÃrm -rf ·½Ê½É¾³ýÈÕÖ¾ºó£¬Í¨¹ýdf -h»á·¢ÏÖ´ÅÅ̿ռ䲢ûÓÐÊÍ·Å
ÔÒò£ºÔÚLinux»òÕßUnixϵͳÖУ¬Í¨¹ýrm»òÕßÎļþ¹ÜÀíÆ÷ɾ³ýÎļþ£¬½«»á´ÓÎļþϵͳµÄĿ¼½á¹¹ÉϽâ³ýÁ´½Ó(unlink)£¬È»¶ø£¬Èç¹ûÎļþÊDZ»´ò¿ªµÄ£¨ÓÐÒ»¸ö½ø³ÌÕýÔÚʹÓã©£¬ÄÇô½ø³Ì½«ÈÔÈ»¿ÉÒÔ¶ÁÈ¡¸ÃÎļþ£¬´ÅÅÌ¿Õ¼äÒ²Ò»Ö±±»Õ¼Óá£
ÕýÈ·×ö·¨ÊÇ cat /dev/null > *-json.log£¬µ±È»ÄãÒ²¿ÉÒÔͨ¹ýrmɾ³ýºóÖØÆôdocker
²é¿´ÈÝÆ÷µÄÈÕÖ¾¿ÉÒÔͨ¹ýdocker logsÃüÁî
sudo docker logs -f -t --tail ÐÐÊý ÈÝÆ÷Ãû
Á˽âÍꡰʲôÊÇÖØÆôdockerÈÝÆ÷ÃüÁµÄÄÚÈݺó£¬ÏàÐźܶàС»ï°é¶Ô±ðµÄ±à³ÌÃüÁÌáÆðÐËȤÁË£¬ÏëÒªÁ˽â¸ü¶àÄÚÈÝ£¬À´ÎÒÃÇÎÒÃÇ£¬ÎÒÃÇÿÌ춼»á²»¶¨Ê±¸üÐÂÎÄÕ¡£
×ÊÁÏÀ´Ô´ÍøÂ磬½ö¹©Ñ§Ï°½»Á÷£¬ÈçÄú·¢ÏÖ±¾ÎÄÖÐÓÐÉæÏӳϮ£¬Çë·¢ËÍÓʼþÖÁ£ºsupport@iisp.com£¬Ò»¾²éʵ£¬±¾Õ¾½«Á¢¿Ìɾ³ýÉæÏÓÇÖȨÄÚÈÝ¡£