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镜像更新不重新 build方案.md

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#（原创）基础镜像层替换 （基础镜像更新不重新build案例镜像的镜像/容器更新方案）

思路： 设替换前的基础镜像为A，替换后的基础镜像为B（假设B是在A的基础上制作的） （1）取A、B的公共层的最上层a （2）将B中a层以上各层的diff的内容逐层（从低到高）覆盖到a层的diff中 （3）分别观察已有容器和新建容器是否正常（比如登录、桌面显示等）以及是否具备基础镜像B的新增功能

验证过程：验证通过！！

清空镜像 docker image prune -af

docker pull xxxxxxx/yyyyyy:1.0.20220531

ll -t

total 4 drwx--x--- 4 root root 72 Jul 20 11:02 74fd8ddf9d61f3045b7eae665ae9fab3bf021003622163917227d7b78d75949b drwx--x--- 4 root root 55 Jul 20 11:02 88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2 drwx------ 2 root root 4096 Jul 20 11:02 l drwx--x--- 4 root root 72 Jul 20 11:02 cc0eb011037277e8a6aacf4c2d99eb8a39ca5e515706f98d3ed641833cd8f2b3 drwx--x--- 4 root root 72 Jul 20 11:02 fb9ba854f047312967aed7a91975cdb1679c9efdc9e630b55beeca341688dc57 drwx--x--- 4 root root 72 Jul 20 11:02 3af50b79bdf037af19251f9f420e9809175b160a7c0756e1a4e1563395b27d53 drwx--x--- 4 root root 72 Jul 20 11:00 4794b1a65da7c2cce1b5e44a9290cb3a09ea8412eaf79cc01e679ce94666cd81 drwx--x--- 4 root root 72 Jul 20 11:00 5efde35a14eaa42497fb87af4d5ff854e0e98cec5fd984daabd9869354e4364b drwx--x--- 4 root root 72 Jul 20 10:59 9650262b63021185c74dd0c620c41259775a1795ac420a408675b38f3180eee0 drwx--x--- 4 root root 72 Jul 20 10:59 6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72 drwx--x--- 4 root root 72 Jul 20 10:59 66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32 drwx--x--- 4 root root 72 Jul 20 10:59 eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5 drwx--x--- 4 root root 72 Jul 20 10:59 f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67 drwx--x--- 4 root root 72 Jul 20 10:59 a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca drwx--x--- 4 root root 72 Jul 20 10:58 9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0 drwx--x--- 4 root root 72 Jul 20 10:58 2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f drwx--x--- 4 root root 72 Jul 20 10:58 c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06 drwx--x--- 4 root root 72 Jul 20 10:58 06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217 drwx--x--- 4 root root 72 Jul 20 10:58 151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7 drwx--x--- 3 root root 47 Jul 20 10:58 eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b drwxr-xr-x 2 root root 6 Jul 20 10:56 tmp brw------- 1 root root 253, 0 Jul 14 14:28 backingFsBlockDev

docker inspect cb2dcb22d09b |jq .[0].GraphDriver.Data

{ "LowerDir": "/var/lib/docker/overlay2/74fd8ddf9d61f3045b7eae665ae9fab3bf021003622163917227d7b78d75949b/diff :/var/lib/docker/overlay2/cc0eb011037277e8a6aacf4c2d99eb8a39ca5e515706f98d3ed641833cd8f2b3/diff :/var/lib/docker/overlay2/fb9ba854f047312967aed7a91975cdb1679c9efdc9e630b55beeca341688dc57/diff :/var/lib/docker/overlay2/3af50b79bdf037af19251f9f420e9809175b160a7c0756e1a4e1563395b27d53/diff :/var/lib/docker/overlay2/4794b1a65da7c2cce1b5e44a9290cb3a09ea8412eaf79cc01e679ce94666cd81/diff :/var/lib/docker/overlay2/5efde35a14eaa42497fb87af4d5ff854e0e98cec5fd984daabd9869354e4364b/diff :/var/lib/docker/overlay2/9650262b63021185c74dd0c620c41259775a1795ac420a408675b38f3180eee0/diff :/var/lib/docker/overlay2/6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/diff :/var/lib/docker/overlay2/66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32/diff :/var/lib/docker/overlay2/eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5/diff :/var/lib/docker/overlay2/f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67/diff :/var/lib/docker/overlay2/a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca/diff :/var/lib/docker/overlay2/9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0/diff :/var/lib/docker/overlay2/2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f/diff :/var/lib/docker/overlay2/c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06/diff :/var/lib/docker/overlay2/06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217/diff :/var/lib/docker/overlay2/151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7/diff :/var/lib/docker/overlay2/eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b/diff", "MergedDir": "/var/lib/docker/overlay2/88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2/merged", "UpperDir": "/var/lib/docker/overlay2/88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2/diff", "WorkDir": "/var/lib/docker/overlay2/88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2/work" } ##可以看到目录名称是随机的，每次pull（删除后）都不同

docker pull xxxxxxx/yyyyyy:1.0.20220624

ll -t

total 4 drwx--x--- 4 root root 55 Jul 20 14:07 6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418 drwx--x--- 4 root root 72 Jul 20 14:07 e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1 drwx------ 2 root root 4096 Jul 20 14:07 l drwx--x--- 4 root root 72 Jul 20 14:06 882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91 drwx--x--- 4 root root 72 Jul 20 14:06 101086c5ff28566b11ba7cf6d011c9ff83df8b4269772fd3a98c6d9122f18098 drwx--x--- 4 root root 72 Jul 20 14:06 9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41 drwx--x--- 4 root root 72 Jul 20 14:06 b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d drwx--x--- 4 root root 72 Jul 20 11:02 74fd8ddf9d61f3045b7eae665ae9fab3bf021003622163917227d7b78d75949b drwx--x--- 4 root root 55 Jul 20 11:02 88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2 drwx--x--- 4 root root 72 Jul 20 11:02 cc0eb011037277e8a6aacf4c2d99eb8a39ca5e515706f98d3ed641833cd8f2b3 drwx--x--- 4 root root 72 Jul 20 11:02 fb9ba854f047312967aed7a91975cdb1679c9efdc9e630b55beeca341688dc57 drwx--x--- 4 root root 72 Jul 20 11:02 3af50b79bdf037af19251f9f420e9809175b160a7c0756e1a4e1563395b27d53 drwx--x--- 4 root root 72 Jul 20 11:00 4794b1a65da7c2cce1b5e44a9290cb3a09ea8412eaf79cc01e679ce94666cd81 drwx--x--- 4 root root 72 Jul 20 11:00 5efde35a14eaa42497fb87af4d5ff854e0e98cec5fd984daabd9869354e4364b drwx--x--- 4 root root 72 Jul 20 10:59 9650262b63021185c74dd0c620c41259775a1795ac420a408675b38f3180eee0 drwx--x--- 4 root root 72 Jul 20 10:59 6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72 drwx--x--- 4 root root 72 Jul 20 10:59 66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32 drwx--x--- 4 root root 72 Jul 20 10:59 eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5 drwx--x--- 4 root root 72 Jul 20 10:59 f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67 drwx--x--- 4 root root 72 Jul 20 10:59 a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca drwx--x--- 4 root root 72 Jul 20 10:58 9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0 drwx--x--- 4 root root 72 Jul 20 10:58 2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f drwx--x--- 4 root root 72 Jul 20 10:58 c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06 drwx--x--- 4 root root 72 Jul 20 10:58 06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217 drwx--x--- 4 root root 72 Jul 20 10:58 151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7 drwx--x--- 3 root root 47 Jul 20 10:58 eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b drwxr-xr-x 2 root root 6 Jul 20 10:56 tmp brw------- 1 root root 253, 0 Jul 14 14:28 backingFsBlockDev

docker inspect 46559f1beeb0 |jq .[0].GraphDriver.Data

{ "LowerDir": "/var/lib/docker/overlay2/e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1/diff :/var/lib/docker/overlay2/882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91/diff :/var/lib/docker/overlay2/101086c5ff28566b11ba7cf6d011c9ff83df8b4269772fd3a98c6d9122f18098/diff :/var/lib/docker/overlay2/9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41/diff :/var/lib/docker/overlay2/b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff :/var/lib/docker/overlay2/6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/diff :/var/lib/docker/overlay2/66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32/diff :/var/lib/docker/overlay2/eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5/diff :/var/lib/docker/overlay2/f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67/diff :/var/lib/docker/overlay2/a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca/diff :/var/lib/docker/overlay2/9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0/diff :/var/lib/docker/overlay2/2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f/diff :/var/lib/docker/overlay2/c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06/diff :/var/lib/docker/overlay2/06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217/diff :/var/lib/docker/overlay2/151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7/diff :/var/lib/docker/overlay2/eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b/diff", "MergedDir": "/var/lib/docker/overlay2/6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418/merged", "UpperDir": "/var/lib/docker/overlay2/6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418/diff", "WorkDir": "/var/lib/docker/overlay2/6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418/work" } #将原始基础镜像最上层保存起来

\cp -rf 6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/ tmp/

#取最新基础镜像

docker pull xxxxxxxx/centos7-ttttt:20220628

ll -t

total 4 drwx--x--- 4 root root 55 Jul 20 14:32 d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d drwx------ 2 root root 4096 Jul 20 14:32 l drwxr-xr-x 3 root root 78 Jul 20 14:25 tmp drwx--x--- 4 root root 55 Jul 20 14:07 6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418 drwx--x--- 4 root root 72 Jul 20 14:07 e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1 drwx--x--- 4 root root 72 Jul 20 14:06 882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91 drwx--x--- 4 root root 72 Jul 20 14:06 101086c5ff28566b11ba7cf6d011c9ff83df8b4269772fd3a98c6d9122f18098 drwx--x--- 4 root root 72 Jul 20 14:06 9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41 drwx--x--- 4 root root 72 Jul 20 14:06 b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d drwx--x--- 4 root root 72 Jul 20 11:02 74fd8ddf9d61f3045b7eae665ae9fab3bf021003622163917227d7b78d75949b drwx--x--- 4 root root 55 Jul 20 11:02 88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2 drwx--x--- 4 root root 72 Jul 20 11:02 cc0eb011037277e8a6aacf4c2d99eb8a39ca5e515706f98d3ed641833cd8f2b3 drwx--x--- 4 root root 72 Jul 20 11:02 fb9ba854f047312967aed7a91975cdb1679c9efdc9e630b55beeca341688dc57 drwx--x--- 4 root root 72 Jul 20 11:02 3af50b79bdf037af19251f9f420e9809175b160a7c0756e1a4e1563395b27d53 drwx--x--- 4 root root 72 Jul 20 11:00 4794b1a65da7c2cce1b5e44a9290cb3a09ea8412eaf79cc01e679ce94666cd81 drwx--x--- 4 root root 72 Jul 20 11:00 5efde35a14eaa42497fb87af4d5ff854e0e98cec5fd984daabd9869354e4364b drwx--x--- 4 root root 72 Jul 20 10:59 9650262b63021185c74dd0c620c41259775a1795ac420a408675b38f3180eee0 drwx--x--- 4 root root 72 Jul 20 10:59 6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72 drwx--x--- 4 root root 72 Jul 20 10:59 66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32 drwx--x--- 4 root root 72 Jul 20 10:59 eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5 drwx--x--- 4 root root 72 Jul 20 10:59 f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67 drwx--x--- 4 root root 72 Jul 20 10:59 a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca drwx--x--- 4 root root 72 Jul 20 10:58 9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0 drwx--x--- 4 root root 72 Jul 20 10:58 2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f drwx--x--- 4 root root 72 Jul 20 10:58 c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06 drwx--x--- 4 root root 72 Jul 20 10:58 06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217 drwx--x--- 4 root root 72 Jul 20 10:58 151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7 drwx--x--- 3 root root 47 Jul 20 10:58 eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b brw------- 1 root root 253, 0 Jul 14 14:28 backingFsBlockDev

docker inspect 0f6f5487d630 |jq .[0].GraphDriver.Data

{ "LowerDir": "/var/lib/docker/overlay2/e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1/diff :/var/lib/docker/overlay2/882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91/diff :/var/lib/docker/overlay2/101086c5ff28566b11ba7cf6d011c9ff83df8b4269772fd3a98c6d9122f18098/diff :/var/lib/docker/overlay2/9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41/diff :/var/lib/docker/overlay2/b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff :/var/lib/docker/overlay2/6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/diff :/var/lib/docker/overlay2/66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32/diff :/var/lib/docker/overlay2/eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5/diff :/var/lib/docker/overlay2/f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67/diff :/var/lib/docker/overlay2/a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca/diff :/var/lib/docker/overlay2/9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0/diff :/var/lib/docker/overlay2/2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f/diff :/var/lib/docker/overlay2/c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06/diff :/var/lib/docker/overlay2/06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217/diff :/var/lib/docker/overlay2/151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7/diff :/var/lib/docker/overlay2/eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b/diff", "MergedDir": "/var/lib/docker/overlay2/d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d/merged", "UpperDir": "/var/lib/docker/overlay2/d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d/diff", "WorkDir": "/var/lib/docker/overlay2/d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d/work" } #将基础镜像0621和0628的公共最上层保存起来

\cp -rf e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1/ tmp/

#实验开始 #起一个容器

docker run -dt -v=/sys/fs/cgroup:/sys/fs/cgroup:ro --name ddd -p 44000:3389 -p 44002:22 --hostname master xxxxxxxx/yyyyy:1.0.20220624

a471967ac0e5a4bc3128fefd0ca05303c6fa9e3b97676c8541a426bdbf5581da

ll -t

total 4 drwx--x--- 5 root root 69 Jul 20 14:53 174b0f4f29fce0011ed6a3eae7c7e6e3c297b50ea5ef87d114603d98c2826234 drwx--x--- 4 root root 72 Jul 20 14:53 174b0f4f29fce0011ed6a3eae7c7e6e3c297b50ea5ef87d114603d98c2826234-init drwx------ 2 root root 4096 Jul 20 14:53 l drwx--x--- 4 root root 72 Jul 20 14:53 6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418 drwxr-xr-x 4 root root 150 Jul 20 14:48 tmp drwx--x--- 4 root root 55 Jul 20 14:32 d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d drwx--x--- 4 root root 72 Jul 20 14:07 e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1 drwx--x--- 4 root root 72 Jul 20 14:06 882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91 ……

docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES a471967ac0e5 xxxxxxxxxx/yyyyy:1.0.20220624 "/bin/bash /tools/en…" About a minute ago Up About a minute 0.0.0.0:44002->22/tcp, 0.0.0.0:44000->3389/tcp ddd

docker inspect a471967ac0e5 |jq .[0].GraphDriver.Data

{ "LowerDir": "/var/lib/docker/overlay2/174b0f4f29fce0011ed6a3eae7c7e6e3c297b50ea5ef87d114603d98c2826234-init/diff :/var/lib/docker/overlay2/6af8a4f2737ee31dcce75efb077d65383415e76912f39489b2a70702f86e9418/diff :/var/lib/docker/overlay2/e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1/diff :/var/lib/docker/overlay2/882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91/diff :/var/lib/docker/overlay2/101086c5ff28566b11ba7cf6d011c9ff83df8b4269772fd3a98c6d9122f18098/diff :/var/lib/docker/overlay2/9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41/diff :/var/lib/docker/overlay2/b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff :/var/lib/docker/overlay2/6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/diff :/var/lib/docker/overlay2/66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32/diff :/var/lib/docker/overlay2/eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5/diff :/var/lib/docker/overlay2/f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67/diff :/var/lib/docker/overlay2/a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca/diff :/var/lib/docker/overlay2/9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0/diff :/var/lib/docker/overlay2/2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f/diff :/var/lib/docker/overlay2/c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06/diff :/var/lib/docker/overlay2/06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217/diff :/var/lib/docker/overlay2/151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7/diff :/var/lib/docker/overlay2/eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b/diff", "MergedDir": "/var/lib/docker/overlay2/174b0f4f29fce0011ed6a3eae7c7e6e3c297b50ea5ef87d114603d98c2826234/merged", "UpperDir": "/var/lib/docker/overlay2/174b0f4f29fce0011ed6a3eae7c7e6e3c297b50ea5ef87d114603d98c2826234/diff", "WorkDir": "/var/lib/docker/overlay2/174b0f4f29fce0011ed6a3eae7c7e6e3c297b50ea5ef87d114603d98c2826234/work" }

docker exec -it ddd cat /home/hadoop/.Xclients

#!/bin/bash

unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS unset XDG_RUNTIME_DIR export GTK_IM_MODULE=ibus export XMODIFIERS=@im=ibus export QT_IM_MODULE=ibus ibus-daemon -dx exec xfce4-session

#将0624基础镜像最上层的.Xclients拷贝到0621基础镜像最上层的diff下

cd e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1/

ll

total 8 -rw------- 1 root root 0 Jul 20 14:32 committed drwxr-xr-x 6 root root 51 Jul 20 14:06 diff -rw-r--r-- 1 root root 26 Jul 20 14:06 link -rw-r--r-- 1 root root 434 Jul 20 14:06 lower drwx------ 2 root root 6 Jul 20 14:06 work

cd diff/

ll

total 0 drwxr-xr-x 3 root root 72 Jun 21 09:50 etc dr-xr-x--- 2 root root 43 Jun 21 09:50 root drwxrwxrwt 2 root root 246 Jun 1 11:50 tmp drwxr-xr-x 4 root root 28 May 20 13:38 var

\cp -af ../../d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d/diff/home/ ./ #一定要用af参数

ll

total 0 drwxr-xr-x 3 root root 72 Jun 21 09:50 etc drwxr-xr-x 3 root root 20 Jul 20 15:04 home dr-xr-x--- 2 root root 43 Jun 21 09:50 root drwxrwxrwt 2 root root 246 Jun 1 11:50 tmp drwxr-xr-x 4 root root 28 May 20 13:38 var

ll home/hadoop/

total 0

cat home/hadoop/.Xclients

#!/bin/bash

unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS unset XDG_RUNTIME_DIR export GTK_IM_MODULE=xim export XMODIFIERS=@im=ibus export QT_IM_MODULE=xim ibus-daemon -dx exec xfce4-session #检查容器

docker restart ddd

ddd

docker exec -it ddd cat /home/hadoop/.Xclients

#!/bin/bash

unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS unset XDG_RUNTIME_DIR export GTK_IM_MODULE=ibus export XMODIFIERS=@im=ibus export QT_IM_MODULE=ibus ibus-daemon -dx exec xfce4-session #容器restart无效

docker stop ddd

ddd

docker start ddd

ddd

docker exec -it ddd cat /home/hadoop/.Xclients

#!/bin/bash

unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS unset XDG_RUNTIME_DIR export GTK_IM_MODULE=xim export XMODIFIERS=@im=ibus export QT_IM_MODULE=xim ibus-daemon -dx exec xfce4-session #容器先stop再start OK！远程桌面登录也OK！ #将0628最上层diff内容全部拷贝到0621最上层diff下

\cp -af ../../d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d/diff/* ./

docker stop ddd

ddd

docker start ddd

ddd #注：要在浏览器中输入中文还需要执行ibus-daemon -drx（新建的容器也需要），另因为容器上层已经有/etc/profile和/etc/xrdp/xrdp.init，故相关文件的修改无效 #继续实验上次失败的场景

docker run -dt -v=/sys/fs/cgroup:/sys/fs/cgroup:ro --name ddd -p 44000:3389 -p 44002:22 --hostname master xxxxxx/yyyyy:1.0.20220531

84135250bcc7dc112837cdc29651fefb6ab58b19cb22329a95e9398e2b8512fc

docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 84135250bcc7 xxxxxx/yyyyy:1.0.20220531 "/bin/bash /tools/en…" 43 seconds ago Up 42 seconds 0.0.0.0:44002->22/tcp, 0.0.0.0:44000->3389/tcp ddd

docker inspect 84135250bcc7 |jq .[0].GraphDriver.Data

{ "LowerDir": "/var/lib/docker/overlay2/000e12c5fd81e11ff70ed734647523baf3c2690e2d7bfec6216e45dcf07efbda-init/diff :/var/lib/docker/overlay2/88850d6cbd662b97b9e32afe799af9c9f490c5bbd45dfb5a873dd872d0eddaa2/diff :/var/lib/docker/overlay2/74fd8ddf9d61f3045b7eae665ae9fab3bf021003622163917227d7b78d75949b/diff :/var/lib/docker/overlay2/cc0eb011037277e8a6aacf4c2d99eb8a39ca5e515706f98d3ed641833cd8f2b3/diff :/var/lib/docker/overlay2/fb9ba854f047312967aed7a91975cdb1679c9efdc9e630b55beeca341688dc57/diff :/var/lib/docker/overlay2/3af50b79bdf037af19251f9f420e9809175b160a7c0756e1a4e1563395b27d53/diff :/var/lib/docker/overlay2/4794b1a65da7c2cce1b5e44a9290cb3a09ea8412eaf79cc01e679ce94666cd81/diff :/var/lib/docker/overlay2/5efde35a14eaa42497fb87af4d5ff854e0e98cec5fd984daabd9869354e4364b/diff :/var/lib/docker/overlay2/9650262b63021185c74dd0c620c41259775a1795ac420a408675b38f3180eee0/diff :/var/lib/docker/overlay2/6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/diff :/var/lib/docker/overlay2/66cf4ce469d049440e51f99d333735534380cdd433d4ebde78bb8f928108db32/diff :/var/lib/docker/overlay2/eefd0fc1960b04cdda0ccc4f5284e4610fcfd48d74455972405566fe25c64bb5/diff :/var/lib/docker/overlay2/f18894148c9048b9bcca717a4ab81814cd424f763edb1d1297e51ee2962eeb67/diff :/var/lib/docker/overlay2/a1e0efe5935df8c71bb26542ee1b180be28ee8ec3a27c581ab2d1346cfc6fdca/diff :/var/lib/docker/overlay2/9415a56ff4a5e4253d5d918c635acebc302e351d9f8c8047a2096c372878e3c0/diff :/var/lib/docker/overlay2/2deb4d60e4b9486df07a23136d8fdb119db2724292abc645480c5e4b0dd2ca9f/diff :/var/lib/docker/overlay2/c56dc7ca64c2957488cc92cb7470c400ae8db756fb7d46a596f435a2b2339c06/diff :/var/lib/docker/overlay2/06183e4f4a7537cfec778fb3445a8d094c794151ed6c4869a58ddeca5aa3c217/diff :/var/lib/docker/overlay2/151487d22f34168609b5dd8493e5104a52d0b0a737e50d26301976f48a1782f7/diff :/var/lib/docker/overlay2/eb8b5371975d44b6e12bd5662326e036a0c125aa6e6513680a32e55219246f7b/diff", "MergedDir": "/var/lib/docker/overlay2/000e12c5fd81e11ff70ed734647523baf3c2690e2d7bfec6216e45dcf07efbda/merged", "UpperDir": "/var/lib/docker/overlay2/000e12c5fd81e11ff70ed734647523baf3c2690e2d7bfec6216e45dcf07efbda/diff", "WorkDir": "/var/lib/docker/overlay2/000e12c5fd81e11ff70ed734647523baf3c2690e2d7bfec6216e45dcf07efbda/work" }

cd 6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/

cd diff

pwd

/var/lib/docker/overlay2/6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72/diff

\cp -af ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/* ./

cp: cannot overwrite directory ‘./home/hadoop/.config/google-chrome/Default/blob_storage/ff60cd8c-7c6c-43cd-8694-19ad43febcb6’ with non-directory cp: cannot overwrite directory ‘./tmp/ssh-reHddQvhTxQc’ with non-directory cp: cannot overwrite directory ‘./var/log/tuned’ with non-directory

ll ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/home/hadoop/.config/google-chrome/Default/blob_storage/ff60cd8c-7c6c-43cd-8694-19ad43febcb6

c--------- 1 root root 0, 0 Jul 20 14:06 ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/home/hadoop/.config/google-chrome/Default/blob_storage/ff60cd8c-7c6c-43cd-8694-19ad43febcb6

ll ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/tmp/ssh-reHddQvhTxQc

c--------- 1 root root 0, 0 Jul 20 14:06 ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/tmp/ssh-reHddQvhTxQc

ll ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/var/log/tuned

c--------- 1 root root 0, 0 Jul 20 14:06 ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/var/log/tuned

ll ./home/hadoop/.config/google-chrome/Default/blob_storage/ff60cd8c-7c6c-43cd-8694-19ad43febcb6

total 0

ll -a ./home/hadoop/.config/google-chrome/Default/blob_storage/ff60cd8c-7c6c-43cd-8694-19ad43febcb6

total 0 drwx------ 2 bdapp bdapp 6 May 20 13:38 . drwx------ 4 bdapp bdapp 94 Jun 1 09:46 ..

ll -a ./tmp/ssh-reHddQvhTxQc

total 0 drwx------ 2 bdapp bdapp 6 May 20 13:38 . drwxrwxrwt 5 root root 225 Jun 1 11:03 ..

ll -a ./var/log/tuned.

ls: cannot access ./var/log/tuned.: No such file or directory

ll -a ./var/log/tuned

total 4 drwxr-xr-x 2 root root 23 May 20 13:38 . drwxr-xr-x 3 root root 269 Jun 1 11:06 .. -rw-r--r-- 1 root root 95 May 20 13:38 tuned.log

rm -rf ./home/hadoop/.config/google-chrome/Default/blob_storage/ff60cd8c-7c6c-43cd-8694-19ad43febcb6

rm -rf ./tmp/ssh-reHddQvhTxQc

rm -rf ./var/log/tuned

\cp -af ../../b0a43f60a66aade075ed8b66403449849168ab3a1ed41249fb7aea19c081400d/diff/* ./

\cp -af ../../9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41/diff/* ./

cp: cannot overwrite directory ‘./home/hadoop/.pcsc10’ with non-directory

rm -rf ./home/hadoop/.pcsc10

\cp -af ../../9166df54f31cce3e2fd531522b2d739301db2020a57bd760edf74a637440fc41/diff/* ./

\cp -af ../../101086c5ff28566b11ba7cf6d011c9ff83df8b4269772fd3a98c6d9122f18098/diff/* ./

\cp -af ../../882cebdd7ae24832773e06321382f8a1fb2b53cd7924d900db223f0671bddb91/diff/* ./

\cp -af ../../e32834b10c345f8b01082effcd5c644cbc6834118464f69d09623915d0c63ec1/diff/* ./

\cp -af ../../d09c41116e1abfcb2c88d9baa037de2b2afcb872089b84181c58a85dc4538f2d/diff/* ./

docker stop ddd

ddd

docker rm ddd（手误！）

ddd

docker run -dt -v=/sys/fs/cgroup:/sys/fs/cgroup:ro --name ddd -p 44000:3389 -p 44002:22 --hostname master xxxxxx/yyyyy:1.0.20220531

8defd1d7a4023981c7159891644a2062a195a73e302d0d7558d2d06f47c4f7e7 #容器先stop再start OK！远程桌面登录也OK！但ibus-daemon -drx仍需要在容器内手工执行！ 即使将6a641800fa8c66e6319b7921e12fa9ee9386f80807526f61ea1806586a93ff72中的.Xclients中改成ibus-daemon -drx，仍然不行？？ 手工单起0628镜像也不行，可能是docker run的问题

docker run -dt -v=/sys/fs/cgroup:/sys/fs/cgroup:ro --name ddd -p 44000:3389 -p 44002:22 --hostname master xxxxxx/yyyyy:1.0.20220531

27227b864afa890794b43e8871e8b1e75839db9a777633fe2c23bb8954c28af2

docker exec -it ddd /bin/bash

ps -ef

UID PID PPID C STIME TTY TIME CMD root 1 0 3 17:47 ? 00:00:00 /usr/sbin/init root 21 1 0 17:47 ? 00:00:00 /usr/sbin/xrdp-sesman --nodaemon root 22 1 0 17:47 ? 00:00:00 /usr/sbin/xrdp --nodaemon root 25 1 0 17:47 ? 00:00:00 /usr/lib/systemd/systemd-journald root 38 1 0 17:47 ? 00:00:00 /usr/sbin/sshd -D root 39 1 0 17:47 ? 00:00:00 /usr/sbin/rsyslogd -n root 40 1 0 17:47 ? 00:00:00 /usr/lib/systemd/systemd-logind dbus 41 1 0 17:47 ? 00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --sys root 48 1 0 17:47 console 00:00:00 /sbin/agetty --noclear --keep-baud console 115200 38400 9600 vt220 root 50 0 28 17:47 pts/1 00:00:00 /bin/bash root 68 50 0 17:47 pts/1 00:00:00 ps -ef #貌似除基本镜像以外的其他进程未启动？？？

另一台机器上：

docker run -dt -v=/sys/fs/cgroup:/sys/fs/cgroup:ro --name ddd -p 44000:3389 -p 44002:22 --hostname master xxxxxx/yyyyy:1.0.20220531

0111d8c5aa8f71fc82c0d6b6a83bd50fee003297ecee50369f688067e31350b6

docker exec -it ddd /bin/bash

ps -ef

UID PID PPID C STIME TTY TIME CMD root 1 0 5 17:54 ? 00:00:00 /usr/sbin/init root 22 1 0 17:54 ? 00:00:00 /usr/lib/systemd/systemd-journald root 37 1 0 17:54 ? 00:00:00 /usr/sbin/irqbalance --foreground dbus 38 1 0 17:54 ? 00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --sys polkitd 40 1 0 17:54 ? 00:00:00 /usr/lib/polkit-1/polkitd --no-debug root 41 1 0 17:54 ? 00:00:00 /usr/lib/systemd/systemd-logind root 43 1 0 17:54 ? 00:00:00 /usr/sbin/crond -n root 50 1 0 17:54 console 00:00:00 /sbin/agetty --noclear --keep-baud console 115200 38400 9600 vt220 root 54 1 6 17:54 ? 00:00:00 /usr/bin/python2 -Es /usr/sbin/firewalld --nofork --nopid root 59 1 0 17:54 ? 00:00:00 /usr/sbin/sshd -D root 61 1 0 17:54 ? 00:00:00 /usr/sbin/xrdp-sesman --nodaemon root 62 1 0 17:54 ? 00:00:00 /usr/sbin/xrdp --nodaemon root 63 1 0 17:54 ? 00:00:00 /usr/sbin/rsyslogd -n root 82 0 18 17:54 pts/1 00:00:00 /bin/bash root 101 54 0 17:54 ? 00:00:00 /usr/bin/python2 -Es /usr/sbin/firewalld --nofork --nopid root 102 82 0 17:54 pts/1 00:00:00 ps -ef

#拉取其他镜像不会覆盖已手工更新过的子目录！！！即更改过长期有效 #当删除所有用到该更新过的子目录的镜像时，该子目录也会被删除，因此删除镜像操作要注意！

例子： 开发机：

./getbasediff.sh base-XXXXX 20220621 base-XXXXX 20220726

ll

total 4 drwxr-xr-x 3 root root 66 Aug 2 16:38 BASE-20220621 drwxr-xr-x 3 root root 66 Aug 3 08:55 BASE-20220726 -rwxr-xr-x 1 root root 1462 Aug 3 08:48 getbasediff.sh

ll BASE-20220726/

total 809188 -rw-r--r-- 1 root root 828605076 Aug 3 08:56 BASE-20220726-diff.tar.gz drwxr-xr-x 17 root root 224 Aug 3 08:55 diff -rw-r--r-- 1 root root 0 Aug 3 08:55 log.log

生产机：

scp [email protected]:/var/lib/docker/overlay2/tmp/BASE-20220726/BASE-20220726-diff.tar.gz ./

[email protected]'s password: microk8s is not running, try microk8s start BASE-20220726-diff.tar.gz 100% 790MB 72.6MB/s 00:10

./updatebase.sh 20220621 20220726

cat baseimg.properties

base.dir=/var/lib/docker/overlay2/2cb780e1dbb2fbf0dd6fe6098cbad94598c20f3062dcc5142ff5a1158f787847/diff base.ver=20220726