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#!/usr/bin/env bats -*- bats -*-
#
# tests for podman load
#
load helpers
# Custom helpers for this test only. These just save us having to duplicate
# the same thing four times (two tests, each with -i and stdin).
#
# initialize, read image ID and name
get_iid_and_name() {
run_podman images -a --format '{{.ID}} {{.Repository}}:{{.Tag}}'
read iid img_name < <(echo "$output")
archive=$PODMAN_TMPDIR/myimage-$(random_string 8).tar
}
# Simple verification of image ID and name
verify_iid_and_name() {
run_podman images -a --format '{{.ID}} {{.Repository}}:{{.Tag}}'
read new_iid new_img_name < <(echo "$output")
# Verify
is "$new_iid" "$iid" "Image ID of loaded image == original"
is "$new_img_name" "$1" "Name & tag of restored image"
}
@test "podman save to pipe and load" {
# Generate a random name and tag (must be lower-case)
local random_name=x0$(random_string 12 | tr A-Z a-z)
local random_tag=t0$(random_string 7 | tr A-Z a-z)
local fqin=localhost/$random_name:$random_tag
run_podman tag $IMAGE $fqin
# Believe it or not, 'podman load' would barf if any path element
# included a capital letter
archive=$PODMAN_TMPDIR/MySubDirWithCaps/MyImage-$(random_string 8).tar
mkdir -p $(dirname $archive)
# We can't use run_podman because that uses the BATS 'run' function
# which redirects stdout and stderr. Here we need to guarantee
# that podman's stdout is a pipe, not any other form of redirection
$PODMAN save --format oci-archive $fqin | cat >$archive
if [ "$status" -ne 0 ]; then
die "Command failed: podman save ... | cat"
fi
# Make sure we can reload it
run_podman rmi $fqin
run_podman load -i $archive
# FIXME: cannot compare IID, see #7371, so we check only the tag
run_podman images $fqin --format '{{.Repository}}:{{.Tag}}'
is "$output" "$fqin" "image preserves name across save/load"
# Load with a new tag
local new_name=x1$(random_string 14 | tr A-Z a-z)
local new_tag=t1$(random_string 6 | tr A-Z a-z)
run_podman rmi $fqin
new_fqin=localhost/$new_name:$new_tag
run_podman load -i $archive $new_fqin
run_podman images --format '{{.Repository}}:{{.Tag}}' --sort tag
is "${lines[0]}" "$IMAGE" "image is preserved"
is "${lines[1]}" "$fqin" "image is reloaded with old fqin"
is "${lines[2]}" "$new_fqin" "image is reloaded with new fqin too"
# Clean up
run_podman rmi $fqin $new_fqin
}
@test "podman load - by image ID" {
# FIXME: how to build a simple archive instead?
get_iid_and_name
# Save image by ID, and remove it.
run_podman save $iid -o $archive
run_podman rmi $iid
# Load using -i; IID should be preserved, but name is not.
run_podman load -i $archive
verify_iid_and_name "<none>:<none>"
# Same as above, using stdin
run_podman rmi $iid
run_podman load < $archive
verify_iid_and_name "<none>:<none>"
# Same as above, using stdin but with `podman image load`
run_podman rmi $iid
run_podman image load < $archive
verify_iid_and_name "<none>:<none>"
# Cleanup: since load-by-iid doesn't preserve name, re-tag it;
# otherwise our global teardown will rmi and re-pull our standard image.
run_podman tag $iid $img_name
}
@test "podman load - by image name" {
get_iid_and_name
run_podman save $img_name -o $archive
run_podman rmi $iid
# Load using -i; this time the image should be tagged.
run_podman load -i $archive
verify_iid_and_name $img_name
run_podman rmi $iid
# Also make sure that `image load` behaves the same.
run_podman image load -i $archive
verify_iid_and_name $img_name
run_podman rmi $iid
# Same as above, using stdin
run_podman load < $archive
verify_iid_and_name $img_name
}
@test "podman load - NAME and NAME:TAG arguments work" {
get_iid_and_name
run_podman save $iid -o $archive
run_podman rmi $iid
# Load with just a name (note: names must be lower-case)
random_name=$(random_string 20 | tr A-Z a-z)
run_podman load -i $archive $random_name
verify_iid_and_name "localhost/$random_name:latest"
# Load with NAME:TAG arg
run_podman rmi $iid
random_tag=$(random_string 10 | tr A-Z a-z)
run_podman load -i $archive $random_name:$random_tag
verify_iid_and_name "localhost/$random_name:$random_tag"
# Cleanup: restore desired image name
run_podman tag $iid $img_name
run_podman rmi "$random_name:$random_tag"
}
@test "podman load - will not read from tty" {
if [ ! -t 0 ]; then
skip "STDIN is not a tty"
fi
run_podman 125 load
is "$output" \
"Error: cannot read from terminal. Use command-line redirection" \
"Diagnostic from 'podman load' without redirection or -i"
}
@test "podman load - multi-image archive" {
img1="quay.io/libpod/testimage:00000000"
img2="quay.io/libpod/testimage:20200902"
archive=$PODMAN_TMPDIR/myimage-$(random_string 8).tar
run_podman pull $img1
run_podman pull $img2
run_podman save -m -o $archive $img1 $img2
run_podman rmi -f $img1 $img2
run_podman load -i $archive
run_podman image exists $img1
run_podman image exists $img2
run_podman rmi -f $img1 $img2
}
@test "podman load - multi-image archive with redirect" {
img1="quay.io/libpod/testimage:00000000"
img2="quay.io/libpod/testimage:20200902"
archive=$PODMAN_TMPDIR/myimage-$(random_string 8).tar
run_podman pull $img1
run_podman pull $img2
# We can't use run_podman because that uses the BATS 'run' function
# which redirects stdout and stderr. Here we need to guarantee
# that podman's stdout is a pipe, not any other form of redirection
$PODMAN save -m $img1 $img2 | cat >$archive
if [ "$status" -ne 0 ]; then
die "Command failed: podman save ... | cat"
fi
run_podman rmi -f $img1 $img2
run_podman load -i $archive
run_podman image exists $img1
run_podman image exists $img2
run_podman rmi -f $img1 $img2
}
# vim: filetype=sh
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