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#!/usr/bin/env bats -*- bats -*-
#
# Test podman kube generate
#
load helpers
# standard capability drop list
capabilities='{"drop":["CAP_MKNOD","CAP_NET_RAW","CAP_AUDIT_WRITE"]}'
# Warning that is emitted once on containers, multiple times on pods
kubernetes_63='Truncation Annotation: .* Kubernetes only allows 63 characters'
# filter: convert yaml to json, because bash+yaml=madness
function yaml2json() {
egrep -v "$kubernetes_63" | python3 -c 'import yaml
import json
import sys
json.dump(yaml.safe_load(sys.stdin), sys.stdout)'
}
###############################################################################
# BEGIN tests
@test "podman kube generate - usage message" {
run_podman kube generate --help
is "$output" ".*podman.* kube generate \[options\] {CONTAINER...|POD...|VOLUME...}"
run_podman generate kube --help
is "$output" ".*podman.* generate kube \[options\] {CONTAINER...|POD...|VOLUME...}"
}
@test "podman kube generate - container" {
cname=c$(random_string 15)
run_podman container create --name $cname $IMAGE top
run_podman kube generate $cname
# Convert yaml to json, and dump to stdout (to help in case of errors)
json=$(yaml2json <<<"$output")
jq . <<<"$json"
# What we expect to see. This is by necessity an incomplete list.
# For instance, it does not include org.opencontainers.image.base.*
# because sometimes we get that, sometimes we don't. No clue why.
#
# And, unfortunately, if new fields are added to the YAML, we won't
# test those unless a developer remembers to add them here.
#
# Reasons for doing it this way, instead of straight-comparing yaml:
# 1) the arbitrariness of the org.opencontainers.image.base annotations
# 2) YAML order is nondeterministic, so on a pod with two containers
# (as in the pod test below) we cannot rely on cname1/cname2.
expect="
apiVersion | = | v1
kind | = | Pod
metadata.annotations.\"io.kubernetes.cri-o.TTY/$cname\" | = | false
metadata.annotations.\"io.podman.annotations.autoremove/$cname\" | = | FALSE
metadata.annotations.\"io.podman.annotations.init/$cname\" | = | FALSE
metadata.annotations.\"io.podman.annotations.privileged/$cname\" | = | FALSE
metadata.annotations.\"io.podman.annotations.publish-all/$cname\" | = | FALSE
metadata.creationTimestamp | =~ | [0-9T:-]\\+Z
metadata.labels.app | = | ${cname}-pod
metadata.name | = | ${cname}-pod
spec.containers[0].command | = | [\"top\"]
spec.containers[0].image | = | $IMAGE
spec.containers[0].name | = | $cname
spec.containers[0].securityContext.capabilities | = | $capabilities
status | = | null
"
# Parse and check all those
while read key op expect; do
actual=$(jq -r -c ".$key" <<<"$json")
assert "$actual" $op "$expect" ".$key"
done < <(parse_table "$expect")
run_podman rm $cname
}
@test "podman kube generate - pod" {
local pname=p$(random_string 15)
local cname1=c1$(random_string 15)
local cname2=c2$(random_string 15)
run_podman pod create --name $pname --publish 9999:8888
# Needs at least one container. Error is slightly different between
# regular and remote podman:
# regular: Error: pod ... only has...
# remote: Error: generating YAML: pod ... only has...
run_podman 125 kube generate $pname
assert "$output" =~ "Error: .* only has an infra container"
run_podman container create --name $cname1 --pod $pname $IMAGE top
run_podman container create --name $cname2 --pod $pname $IMAGE bottom
run_podman kube generate $pname
json=$(yaml2json <<<"$output")
jq . <<<"$json"
# See container test above for description of this table
expect="
apiVersion | = | v1
kind | = | Pod
metadata.annotations.\"io.kubernetes.cri-o.ContainerType/$cname1\" | = | container
metadata.annotations.\"io.kubernetes.cri-o.ContainerType/$cname2\" | = | container
metadata.annotations.\"io.kubernetes.cri-o.SandboxID/$cname1\" | =~ | [0-9a-f]\\{56\\}
metadata.annotations.\"io.kubernetes.cri-o.SandboxID/$cname2\" | =~ | [0-9a-f]\\{56\\}
metadata.annotations.\"io.kubernetes.cri-o.TTY/$cname1\" | = | false
metadata.annotations.\"io.kubernetes.cri-o.TTY/$cname2\" | = | false
metadata.annotations.\"io.podman.annotations.autoremove/$cname1\" | = | FALSE
metadata.annotations.\"io.podman.annotations.autoremove/$cname2\" | = | FALSE
metadata.annotations.\"io.podman.annotations.init/$cname1\" | = | FALSE
metadata.annotations.\"io.podman.annotations.init/$cname2\" | = | FALSE
metadata.annotations.\"io.podman.annotations.privileged/$cname1\" | = | FALSE
metadata.annotations.\"io.podman.annotations.privileged/$cname2\" | = | FALSE
metadata.annotations.\"io.podman.annotations.publish-all/$cname1\" | = | FALSE
metadata.annotations.\"io.podman.annotations.publish-all/$cname2\" | = | FALSE
metadata.creationTimestamp | =~ | [0-9T:-]\\+Z
metadata.labels.app | = | ${pname}
metadata.name | = | ${pname}
spec.hostname | = | $pname
spec.restartPolicy | = | Never
spec.containers[0].command | = | [\"top\"]
spec.containers[0].image | = | $IMAGE
spec.containers[0].name | = | $cname1
spec.containers[0].ports[0].containerPort | = | 8888
spec.containers[0].ports[0].hostPort | = | 9999
spec.containers[0].resources | = | {}
spec.containers[1].command | = | [\"bottom\"]
spec.containers[1].image | = | $IMAGE
spec.containers[1].name | = | $cname2
spec.containers[1].ports | = | null
spec.containers[1].resources | = | {}
spec.containers[0].securityContext.capabilities | = | $capabilities
status | = | {}
"
while read key op expect; do
actual=$(jq -r -c ".$key" <<<"$json")
assert "$actual" $op "$expect" ".$key"
done < <(parse_table "$expect")
run_podman rm $cname1 $cname2
run_podman pod rm $pname
run_podman rmi $(pause_image)
}
# vim: filetype=sh
|
