8000 error setting up stage0 · Issue #2180 · rkt/rkt · GitHub
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error setting up stage0 #2180

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crawford opened this issue Feb 14, 2016 · 7 comments
Closed

error setting up stage0 #2180

crawford opened this issue Feb 14, 2016 · 7 comments
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component/store kind/bug priority/P1
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v1.2.0

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@crawford
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I started a container and then killed it (SIGINT) while rkt was still loading it from the CAS. When I went to run it again, it failed to run, complaining run: error setting up stage0: open ...: no such file or directory.

core@apollo ~ $ rkt version
rkt Version: 1.0.0
appc Version: 0.7.4
Go Version: go1.4.3
Go OS/Arch: linux/amd64
Features: -TPM

$ rkt list
UUID    APP     IMAGE NAME      STATE   CREATED STARTED NETWORKS

core@apollo ~ $ rkt image list
ID                      NAME                                    IMPORT TIME     LAST USED       SIZE    LATEST
sha512-0472a487bcbd     coreos.com/rkt/stage1-coreos:1.0.0      4 days ago      4 days ago      134MiB  false
sha512-ee20d692cda7     strongswan                              4 days ago      4 days ago      565MiB  false

core@apollo ~ $ sudo rkt run strongswan --interactive
image: using image from local store for image name coreos.com/rkt/stage1-coreos:1.0.0
image: using image from local store for image name strongswan
^C

Woops, I forgot to override the exec flag.

core@apollo ~ $ sudo rkt run strongswan --interactive --exec /bin/bash
image: using image from local store for image name coreos.com/rkt/stage1-coreos:1.0.0
image: using image from local store for image name strongswan
run: error setting up stage0: open /var/lib/rkt/cas/tree/deps-sha512-8f4a912ea544495e0d920bbef506fac877ac0c9d22416373993485d5ad935fe6/image: no such file or directory

Here is what that directory looks like:

apollo ~ # ls /var/lib/rkt/cas/tree/deps-sha512-8f4a912ea544495e0d920bbef506fac877ac0c9d22416373993485d5ad935fe6
manifest  rootfs

The manifest looks good:

apollo ~ # cat /var/lib/rkt/cas/tree/deps-sha512-8f4a912ea544495e0d920bbef506fac877ac0c9d22416373993485d5ad935fe6/manifest 
{"acKind":"ImageManifest","acVersion":"0.7.1+git","name":"strongswan","labels":[{"name":"arch","value":"amd64"},{"name":"os","value":"linux"}],"app":{"exec":["/usr/sbin/ipsec","start","--nofork","--debug"],"user":"0","group":"0"}}

And the rootfs directory looks fine (I won't include the contents here).

The directory for the stage0 look fine:

apollo ~ # ls /var/lib/rkt/cas/tree/deps-sha512-b42939d872a0645a4dcf08e33b2b99c444f2188225d0bc8290073df498a64b3c/
hash  image  manifest  rendered  rootfs

And its manifest:

apollo ~ # cat /var/lib/rkt/cas/tree/deps-sha512-b42939d872a0645a4dcf08e33b2b99c444f2188225d0bc8290073df498a64b3c/manifest 
{"acKind":"ImageManifest","acVersion":"0.7.4","name":"coreos.com/rkt/stage1-coreos","labels":[{"name":"version","value":"1.0.0"},{"name":"arch","value":"amd64"},{"name":"os","value":"linux"}],"annotations":[{"name":"coreos.com/rkt/stage1/run","value":"/init"},{"name":"coreos.com/rkt/stage1/enter","value":"/enter"},{"name":"coreos.com/rkt/stage1/gc","value":"/gc"}]}
@alban alban added this to the v1.1.0 milestone Feb 16, 2016
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alban commented Feb 16, 2016

I can reproduce the bug more easily by deleting:

/var/lib/rkt/cas/tree/*/{image,rendered}

Then, I cannot start the image again.

$ sudo rkt run --debug --insecure-options=image --interactive docker://debian
image: using image from file /usr/bin/stage1-coreos.aci
image: remote fetching from URL "docker://debian"
image: fetching image from docker://debian
Downloading sha256:03e1855d4f3: [==============================] 51.4 MB/51.4 MB
Downloading sha256:a3ed95caeb0: [==============================] 32 B/32 B
stage0: Preparing stage1
run: error setting up stage0
  └─error preparing stage1
    └─error rendering tree image
      └─cannot read image file
        └─open /var/lib/rkt/cas/tree/deps-sha512-854e6556bb4f11581869e58503ac8fd2e096dbb01654a8724884903d9e771cae/image: no such file or directory

And I also cannot GC the images:

$ sudo rkt --debug  image gc --grace-period=0
gc: failed to remove unreferenced treestores
  └─cannot get referenced treestoreIDs
    └─cannot get stage1 treestoreID for pod 2351f7c7-68c0-4412-9464-c064651d7710
      └─no such file or directory

@iaguis iaguis modified the milestones: v1.2.0, v1.1.0 Feb 25, 2016
@iaguis iaguis mentioned this issue Mar 1, 2016
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@alban
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alban commented Mar 7, 2016

@iaguis #2242 fixed the "image gc" issue but it didn't fix everything here, did it?

@iaguis iaguis reopened this Mar 7, 2016
@iaguis iaguis mentioned this issue Mar 8, 2016
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f0 commented Mar 17, 2016

@iaguis is there a workaround for this? I am getting this error with rkt 1.1

@iaguis
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iaguis commented Mar 17, 2016

@f0 After #2258, if you get this error you should be able to re-run the image, the treestore will rebuild itself, and everything should work.

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f0 commented Mar 17, 2016

@iaguis ok and this will land in 1.2? and when will 1.2 released?

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iaguis commented Mar 17, 2016

@f0 yes. It wll be released this week.

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f0 commented Mar 17, 2016

@iaguis ok thank you

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