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20_zarf_init_test.go
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// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: 2021-Present The Zarf Authors
// Package test provides e2e tests for Zarf.
package test
import (
"encoding/base64"
"fmt"
"runtime"
"testing"
"encoding/json"
"github.com/stretchr/testify/require"
"github.com/zarf-dev/zarf/src/types"
)
func TestZarfInit(t *testing.T) {
t.Log("E2E: Zarf init")
initComponents := "git-server"
if e2e.ApplianceMode {
initComponents = "k3s,git-server"
}
initPackageVersion := e2e.GetZarfVersion(t)
var (
mismatchedArch = e2e.GetMismatchedArch()
mismatchedInitPackage = fmt.Sprintf("zarf-init-%s-%s.tar.zst", mismatchedArch, initPackageVersion)
expectedErrorMessage = "unable to run component before action: command \"Check that the host architecture matches the package architecture\""
)
t.Cleanup(func() {
e2e.CleanFiles(t, mismatchedInitPackage)
})
if runtime.GOOS == "linux" {
// Build init package with different arch than the cluster arch.
stdOut, stdErr, err := e2e.Zarf(t, "package", "create", "src/test/packages/20-mismatched-arch-init", "--architecture", mismatchedArch, "--confirm")
require.NoError(t, err, stdOut, stdErr)
// Check that `zarf init` returns an error because of the mismatched architectures.
// We need to use the --architecture flag here to force zarf to find the package.
_, stdErr, err = e2e.Zarf(t, "init", "--architecture", mismatchedArch, "--components=k3s", "--confirm")
require.Error(t, err, stdErr)
require.Contains(t, stdErr, expectedErrorMessage)
}
if !e2e.ApplianceMode {
// throw a pending pod into the cluster to ensure we can properly ignore them when selecting images
_, _, err := e2e.Kubectl(t, "apply", "-f", "https://raw.githubusercontent.com/kubernetes/website/main/content/en/examples/pods/pod-with-node-affinity.yaml")
require.NoError(t, err)
}
// Check for any old secrets to ensure that they don't get saved in the init log
oldState := types.ZarfState{}
base64State, _, err := e2e.Kubectl(t, "get", "secret", "zarf-state", "-n", "zarf", "-o", "jsonpath={.data.state}")
if err == nil {
oldStateJSON, err := base64.StdEncoding.DecodeString(base64State)
require.NoError(t, err)
err = json.Unmarshal(oldStateJSON, &oldState)
require.NoError(t, err)
}
// run `zarf init`
_, _, err = e2e.Zarf(t, "init", "--components="+initComponents, "--nodeport", "31337", "--confirm")
require.NoError(t, err)
// Verify that any state secrets were not included in the log
state := types.ZarfState{}
base64State, _, err = e2e.Kubectl(t, "get", "secret", "zarf-state", "-n", "zarf", "-o", "jsonpath={.data.state}")
require.NoError(t, err)
stateJSON, err := base64.StdEncoding.DecodeString(base64State)
require.NoError(t, err)
err = json.Unmarshal(stateJSON, &state)
require.NoError(t, err)
if e2e.ApplianceMode {
// make sure that we upgraded `k3s` correctly and are running the correct version - this should match that found in `packages/distros/k3s`
kubeletVersion, _, err := e2e.Kubectl(t, "get", "nodes", "-o", "jsonpath={.items[0].status.nodeInfo.kubeletVersion}")
require.NoError(t, err)
require.Contains(t, kubeletVersion, "v1.29.10+k3s1")
}
// Check that the registry is running on the correct NodePort
stdOut, _, err := e2e.Kubectl(t, "get", "service", "-n", "zarf", "zarf-docker-registry", "-o=jsonpath='{.spec.ports[*].nodePort}'")
require.NoError(t, err)
require.Contains(t, stdOut, "31337")
// Check that the registry is running with the correct scale down policy
stdOut, _, err = e2e.Kubectl(t, "get", "hpa", "-n", "zarf", "zarf-docker-registry", "-o=jsonpath='{.spec.behavior.scaleDown.selectPolicy}'")
require.NoError(t, err)
require.Contains(t, stdOut, "Min")
verifyZarfNamespaceLabels(t)
verifyZarfSecretLabels(t)
verifyZarfPodLabels(t)
verifyZarfServiceLabels(t)
// Special sizing-hacking for reducing resources where Kind + CI eats a lot of free cycles (ignore errors)
_, _, _ = e2e.Kubectl(t, "scale", "deploy", "-n", "kube-system", "coredns", "--replicas=1") //nolint:errcheck
_, _, _ = e2e.Kubectl(t, "scale", "deploy", "-n", "zarf", "agent-hook", "--replicas=1") //nolint:errcheck
}
func verifyZarfNamespaceLabels(t *testing.T) {
t.Helper()
expectedLabels := `'{"app.kubernetes.io/managed-by":"zarf","kubernetes.io/metadata.name":"zarf"}'`
actualLabels, _, err := e2e.Kubectl(t, "get", "ns", "zarf", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
}
func verifyZarfSecretLabels(t *testing.T) {
t.Helper()
// zarf state
expectedLabels := `'{"app.kubernetes.io/managed-by":"zarf"}'`
actualLabels, _, err := e2e.Kubectl(t, "get", "-n=zarf", "secret", "zarf-state", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// init package secret
expectedLabels = `'{"app.kubernetes.io/managed-by":"zarf","package-deploy-info":"init"}'`
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "secret", "zarf-package-init", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// registry
expectedLabels = `'{"app.kubernetes.io/managed-by":"zarf"}'`
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "secret", "private-registry", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// agent hook TLS
//
// this secret does not have the managed by zarf label
// because it is deployed as a helm chart rather than generated in Go code.
expectedLabels = `'{"app.kubernetes.io/managed-by":"Helm"}'`
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "secret", "agent-hook-tls", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// git server
expectedLabels = `'{"app.kubernetes.io/managed-by":"zarf"}'`
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "secret", "private-git-server", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
}
func verifyZarfPodLabels(t *testing.T) {
t.Helper()
// registry
podHash, _, err := e2e.Kubectl(t, "get", "-n=zarf", "--selector=app=docker-registry", "pods", `-o=jsonpath="{.items[0].metadata.labels['pod-template-hash']}"`)
require.NoError(t, err)
expectedLabels := fmt.Sprintf(`'{"app":"docker-registry","pod-template-hash":%s,"release":"zarf-docker-registry","zarf.dev/agent":"ignore"}'`, podHash)
actualLabels, _, err := e2e.Kubectl(t, "get", "-n=zarf", "--selector=app=docker-registry", "pods", "-o=jsonpath='{.items[0].metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// agent
podHash, _, err = e2e.Kubectl(t, "get", "-n=zarf", "--selector=app=agent-hook", "pods", `-o=jsonpath="{.items[0].metadata.labels['pod-template-hash']}"`)
require.NoError(t, err)
expectedLabels = fmt.Sprintf(`'{"app":"agent-hook","pod-template-hash":%s,"zarf.dev/agent":"ignore"}'`, podHash)
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "--selector=app=agent-hook", "pods", "-o=jsonpath='{.items[0].metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// git server
patchedLabel := `"zarf-agent":"patched"`
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "--selector=app.kubernetes.io/instance=zarf-gitea ", "pods", "-o=jsonpath='{.items[0].metadata.labels}'")
require.NoError(t, err)
require.Contains(t, actualLabels, patchedLabel)
}
func verifyZarfServiceLabels(t *testing.T) {
t.Helper()
// registry
expectedLabels := `'{"app.kubernetes.io/managed-by":"Helm","zarf.dev/connect-name":"registry"}'`
actualLabels, _, err := e2e.Kubectl(t, "get", "-n=zarf", "service", "zarf-connect-registry", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
// git server
expectedLabels = `'{"app.kubernetes.io/managed-by":"Helm","zarf.dev/connect-name":"git"}'`
actualLabels, _, err = e2e.Kubectl(t, "get", "-n=zarf", "service", "zarf-connect-git", "-o=jsonpath='{.metadata.labels}'")
require.NoError(t, err)
require.Equal(t, expectedLabels, actualLabels)
}