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a9dbd2b3de
CI and system tests currently pull some images from docker.io.
Eliminate that, by:
- building a custom image containing much of what we need
for testing; and
- copying other needed images to quay.io
(Reason: effective 2020-11-01 docker.io will limit the
number of image pulls).
The principal change is to create a new quay.io/libpod/testimage,
using the new test/system/build-testimage script, instead of
relying on quay.io/libpod/alpine_labels. We also switch to
using a hardcoded :YYYYMMDD tag, instead of :latest, in an
attempt to futureproof our CI. This image includes 'httpd'
from busybox-extras, which we use in our networking test
(previously we had to pull and run busybox from docker.io).
The testimage can and should be extended as needed for future
tests, e.g. adding test file content or other useful tools.
For the '--pull' tests which require actually pulling from
the registry, I've created an image with the same name but
tagged :00000000 so it will never be pulled by default.
Since this image is only used minimally, it's just busybox.
Unfortunately there remain two cases we cannot solve in
this tiny alpine-based image:
1) docker registry
2) systemd
For those, I've (manually) run:
podman pull [ docker.io/library/registry:2.7 | registry.fedoraproject.org/fedora:31 ]
podman tag !$ quay.io/...
podman push !$
...and amended the calling tests accordingly.
I've tried to make the the smallest reasonable diff, not the
smallest possible one. I hope it's a reasonable tradeoff.
Signed-off-by: Ed Santiago <santiago@redhat.com>
116 lines
4.0 KiB
Bash
116 lines
4.0 KiB
Bash
#!/usr/bin/env bats
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load helpers
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@test "podman images - basic output" {
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run_podman images -a
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is "${lines[0]}" "REPOSITORY *TAG *IMAGE ID *CREATED *SIZE" "header line"
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is "${lines[1]}" "$PODMAN_TEST_IMAGE_REGISTRY/$PODMAN_TEST_IMAGE_USER/$PODMAN_TEST_IMAGE_NAME *$PODMAN_TEST_IMAGE_TAG *[0-9a-f]\+" "podman images output"
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}
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@test "podman images - custom formats" {
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tests="
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--format {{.ID}} | [0-9a-f]\\\{12\\\}
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--format {{.ID}} --no-trunc | sha256:[0-9a-f]\\\{64\\\}
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--format {{.Repository}}:{{.Tag}} | $PODMAN_TEST_IMAGE_FQN
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--format {{.Labels.created_by}} | test/system/build-testimage
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--format {{.Labels.created_at}} | 20[0-9-]\\\+T[0-9:]\\\+Z
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"
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parse_table "$tests" | while read fmt expect; do
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run_podman images $fmt
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is "$output" "$expect\$" "podman images $fmt"
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done
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}
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@test "podman images - json" {
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# 'created': podman includes fractional seconds, podman-remote does not
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tests="
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Names[0] | $PODMAN_TEST_IMAGE_FQN
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Id | [0-9a-f]\\\{64\\\}
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Digest | sha256:[0-9a-f]\\\{64\\\}
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CreatedAt | [0-9-]\\\+T[0-9:.]\\\+Z
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Size | [0-9]\\\+
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Labels.created_by | test/system/build-testimage
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Labels.created_at | 20[0-9-]\\\+T[0-9:]\\\+Z
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"
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run_podman images -a --format json
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parse_table "$tests" | while read field expect; do
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actual=$(echo "$output" | jq -r ".[0].$field")
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dprint "# actual=<$actual> expect=<$expect}>"
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is "$actual" "$expect" "jq .$field"
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done
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}
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@test "podman images - history output" {
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# podman history is persistent: it permanently alters our base image.
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# Create a dummy image here so we leave our setup as we found it.
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run_podman run --name my-container $IMAGE true
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run_podman commit my-container my-test-image
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run_podman images my-test-image --format '{{ .History }}'
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is "$output" "" "Image has empty history to begin with"
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# Generate two randomish tags; 'tr' because they must be all lower-case
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rand_name1="test-image-history-$(random_string 10 | tr A-Z a-z)"
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rand_name2="test-image-history-$(random_string 10 | tr A-Z a-z)"
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# Tag once, rmi, and make sure the tag name appears in history
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run_podman tag my-test-image $rand_name1
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run_podman rmi $rand_name1
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run_podman images my-test-image --format '{{ .History }}'
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is "$output" "localhost/${rand_name1}:latest" "image history after one tag"
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# Repeat with second tag. Now both tags should be in history
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run_podman tag my-test-image $rand_name2
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run_podman rmi $rand_name2
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run_podman images my-test-image --format '{{ .History }}'
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is "$output" "localhost/${rand_name2}:latest, localhost/${rand_name1}:latest" \
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"image history after two tags"
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run_podman rmi my-test-image
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run_podman rm my-container
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}
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@test "podman images - filter" {
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run_podman inspect --format '{{.ID}}' $IMAGE
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iid=$output
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run_podman images --noheading --filter=after=$iid
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is "$output" "" "baseline: empty results from filter (after)"
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run_podman images --noheading --filter=before=$iid
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is "$output" "" "baseline: empty results from filter (before)"
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# Create a dummy container, then commit that as an image. We will
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# now be able to use before/after/since queries
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run_podman run --name mytinycontainer $IMAGE true
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run_podman commit -q mytinycontainer mynewimage
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new_iid=$output
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# (refactor common options for legibility)
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opts='--noheading --no-trunc --format={{.ID}}--{{.Repository}}:{{.Tag}}'
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run_podman images ${opts} --filter=after=$iid
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is "$output" "sha256:$new_iid--localhost/mynewimage:latest" "filter: after"
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# Same thing, with 'since' instead of 'after'
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run_podman images ${opts} --filter=since=$iid
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is "$output" "sha256:$new_iid--localhost/mynewimage:latest" "filter: since"
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run_podman images ${opts} --filter=before=mynewimage
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is "$output" "sha256:$iid--$IMAGE" "filter: before"
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# Clean up
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run_podman rmi mynewimage
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run_podman rm mytinycontainer
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}
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# vim: filetype=sh
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