cannot convert: panic: archive/tar: invalid tar header

[steren]

Using c2w version v0.6.1 on WSL Ubuntu with latest Docker desktop:

As I try to convert an image I have built locally:

FROM alpine:3.14
RUN apk add inkscape
ENTRYPOINT ["inkscape"]

I now get this error

#29 [bundle-dev 5/7] RUN mkdir -p /out/oci/rootfs /out/oci/bundle &&     IS_WIZER=false &&     if test "wizer" = "wizer" ; then IS_WIZER=true ; fi &&     NO_VMTOUCH_F=false &&     if test "wizer" = "native" ; then NO_VMTOUCH_F=true ; fi &&     if test "" != "" ; then NO_VMTOUCH_F="" ; fi &&     EXTERNAL_BUNDLE_F=false &&     if test "" = "true" ; then EXTERNAL_BUNDLE_F=true ; fi &&     create-spec --debug=false --debug-init=${IS_WIZER} --no-vmtouch=${NO_VMTOUCH_F} --external-bundle=${EXTERNAL_BUNDLE_F}                 --image-config-path=/oci/image.json                 --runtime-config-path=/oci/spec.json                 --rootfs-path=/oci/rootfs                 /oci "linux/amd64" /out/oci/rootfs
#29 0.316 Trying to unpack image as an OCI image
#29 0.316 nested manifest: processing [{application/vnd.oci.image.manifest.v1+json sha256:afb32e6e1d58ffc85e2c2310dd22cee8a1b9b0db50b405e3db900c232bc1e2ac 566 [] map[vnd.docker.reference.digest:sha256:1621dc67fa1ef10281df47eef725170c6d7caf103cae442f1084e8344c3f3325 vnd.docker.reference.type:attestation-manifest] [] 0xc00006e3c0 }]
#29 0.318 panic: archive/tar: invalid tar header
#29 0.318
#29 0.318 goroutine 1 [running]:
#29 0.318 main.main()
#29 0.318       /work/cmd/create-spec/main.go:58 +0x5ac
#29 ERROR: process "/bin/sh -c mkdir -p /out/oci/rootfs /out/oci/bundle &&     IS_WIZER=false &&     if test \"${OPTIMIZATION_MODE}\" = \"wizer\" ; then IS_WIZER=true ; fi &&     NO_VMTOUCH_F=false &&     if test \"${OPTIMIZATION_MODE}\" = \"native\" ; then NO_VMTOUCH_F=true ; fi &&     if test \"${NO_VMTOUCH}\" != \"\" ; then NO_VMTOUCH_F=\"${NO_VMTOUCH}\" ; fi &&     EXTERNAL_BUNDLE_F=false &&     if test \"${EXTERNAL_BUNDLE}\" = \"true\" ; then EXTERNAL_BUNDLE_F=true ; fi &&     create-spec --debug=${INIT_DEBUG} --debug-init=${IS_WIZER} --no-vmtouch=${NO_VMTOUCH_F} --external-bundle=${EXTERNAL_BUNDLE_F}                 --image-config-path=/oci/image.json                 --runtime-config-path=/oci/spec.json                 --rootfs-path=/oci/rootfs                 /oci \"${TARGETPLATFORM}\" /out/oci/rootfs" did not complete successfully: exit code: 2
------
 > [bundle-dev 5/7] RUN mkdir -p /out/oci/rootfs /out/oci/bundle &&     IS_WIZER=false &&     if test "wizer" = "wizer" ; then IS_WIZER=true ; fi &&     NO_VMTOUCH_F=false &&     if test "wizer" = "native" ; then NO_VMTOUCH_F=true ; fi &&     if test "" != "" ; then NO_VMTOUCH_F="" ; fi &&     EXTERNAL_BUNDLE_F=false &&     if test "" = "true" ; then EXTERNAL_BUNDLE_F=true ; fi &&     create-spec --debug=false --debug-init=${IS_WIZER} --no-vmtouch=${NO_VMTOUCH_F} --external-bundle=${EXTERNAL_BUNDLE_F}                 --image-config-path=/oci/image.json                 --runtime-config-path=/oci/spec.json                 --rootfs-path=/oci/rootfs                 /oci "linux/amd64" /out/oci/rootfs:
0.316 Trying to unpack image as an OCI image
0.316 nested manifest: processing [{application/vnd.oci.image.manifest.v1+json sha256:afb32e6e1d58ffc85e2c2310dd22cee8a1b9b0db50b405e3db900c232bc1e2ac 566 [] map[vnd.docker.reference.digest:sha256:1621dc67fa1ef10281df47eef725170c6d7caf103cae442f1084e8344c3f3325 vnd.docker.reference.type:attestation-manifest] [] 0xc00006e3c0 }]
0.318 panic: archive/tar: invalid tar header
0.318
0.318 goroutine 1 [running]:
0.318 main.main()
0.318   /work/cmd/create-spec/main.go:58 +0x5ac
------
container2wasm1996446593:59
--------------------
  58 |     # <vm-rootfs>/oci/initconfig.json : configuration file for init
  59 | >>> RUN mkdir -p /out/oci/rootfs /out/oci/bundle && \
  60 | >>>     IS_WIZER=false && \
  61 | >>>     if test "${OPTIMIZATION_MODE}" = "wizer" ; then IS_WIZER=true ; fi && \
  62 | >>>     NO_VMTOUCH_F=false && \
  63 | >>>     if test "${OPTIMIZATION_MODE}" = "native" ; then NO_VMTOUCH_F=true ; fi && \
  64 | >>>     if test "${NO_VMTOUCH}" != "" ; then NO_VMTOUCH_F="${NO_VMTOUCH}" ; fi && \
  65 | >>>     EXTERNAL_BUNDLE_F=false && \
  66 | >>>     if test "${EXTERNAL_BUNDLE}" = "true" ; then EXTERNAL_BUNDLE_F=true ; fi && \
  67 | >>>     create-spec --debug=${INIT_DEBUG} --debug-init=${IS_WIZER} --no-vmtouch=${NO_VMTOUCH_F} --external-bundle=${EXTERNAL_BUNDLE_F} \
  68 | >>>                 --image-config-path=/oci/image.json \
  69 | >>>                 --runtime-config-path=/oci/spec.json \
  70 | >>>                 --rootfs-path=/oci/rootfs \
  71 | >>>                 /oci "${TARGETPLATFORM}" /out/oci/rootfs
  72 |     RUN if test -f image.json; then mv image.json /out/oci/ ; fi && \
--------------------
ERROR: failed to solve: process "/bin/sh -c mkdir -p /out/oci/rootfs /out/oci/bundle &&     IS_WIZER=false &&     if test \"${OPTIMIZATION_MODE}\" = \"wizer\" ; then IS_WIZER=true ; fi &&     NO_VMTOUCH_F=false &&     if test \"${OPTIMIZATION_MODE}\" = \"native\" ; then NO_VMTOUCH_F=true ; fi &&     if test \"${NO_VMTOUCH}\" != \"\" ; then NO_VMTOUCH_F=\"${NO_VMTOUCH}\" ; fi &&     EXTERNAL_BUNDLE_F=false &&     if test \"${EXTERNAL_BUNDLE}\" = \"true\" ; then EXTERNAL_BUNDLE_F=true ; fi &&     create-spec --debug=${INIT_DEBUG} --debug-init=${IS_WIZER} --no-vmtouch=${NO_VMTOUCH_F} --external-bundle=${EXTERNAL_BUNDLE_F}                 --image-config-path=/oci/image.json                 --runtime-config-path=/oci/spec.json                 --rootfs-path=/oci/rootfs                 /oci \"${TARGETPLATFORM}\" /out/oci/rootfs" did not complete successfully: exit code: 2
exit status 1

[ktock]

Thanks for reporting the issue. #212 is trying to fix this. You can try that patch using c2w --build-arg SOURCE_REPO_VERSION=indeximages <IMAGE> <OUTPUT>.

[ktock]

Merged the patch and tagged it as v0.6.2. Please try v0.6.2 https://github.com/ktock/container2wasm/releases/tag/v0.6.2

[steren]

I confirm it worked