mirror of https://github.com/linuxdeepin/linglong
83 lines
2.1 KiB
Markdown
83 lines
2.1 KiB
Markdown
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# Rootfs
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As oci runtime specification, the runtime start from an rootfs, but in linglong, it prepare rootfs in ll-box. so we put the information of construction rootfs in annotations to ll-box.
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The example of annotations is：
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```json
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"annotations": {
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"container_root_path": "/run/user/1000/linglong/375f5681145f4f4f9ffeb3a67aebd444",
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"native": {
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"mounts": [
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{
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"destination": "/usr",
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"options": [
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"ro"
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],
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"source": "/usr",
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"type": "bind"
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},
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{
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"destination": "/runtime",
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"options": [
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"ro"
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],
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"source": "/deepin/linglong/layers/org.deepin.Runtime/20/x86_64",
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"type": "bind"
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},
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{
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"destination": "/opt/apps/org.deepin.music",
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"options": [
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"ro"
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],
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"source": "/deepin/linglong/layers/org.deepin.music/6.0.1.54/x86_64/",
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"type": "bind"
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}
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]
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},
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"overlayfs": {
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"lower_parent": "/run/user/1000/linglong/375f5681145f4f4f9ffeb3a67aebd444/.overlayfs/lower_parent",
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"upper": "/run/user/1000/linglong/375f5681145f4f4f9ffeb3a67aebd444/.overlayfs/upper",
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"workdir": "/run/user/1000/linglong/375f5681145f4f4f9ffeb3a67aebd444/.overlayfs/workdir",
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"mounts": [
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{
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"destination": "/usr",
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"options": [
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"ro"
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],
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"source": "/usr",
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"type": "bind"
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},
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{
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"destination": "/usr",
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"options": [
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"ro"
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],
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"source": "/usr",
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"type": "bind"
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},
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{
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"destination": "/opt",
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"options": [
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"ro"
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],
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"source": "/opt",
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"type": "bind"
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},
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{
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"destination": "/opt/apps/com.qq.weixin.deepin",
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"options": [
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"ro"
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],
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"source": "/opt/apps/com.qq.weixin.work.deepin/",
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"type": "bind"
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}
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]
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}
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}
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```
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The ll-box support two method to build rootfs, use native ro bind mount or with overlayfs.
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`container_root_path` is the work directory of ll-box.
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