mirror of
https://github.com/mulgadc/spinifex.git
synced 2026-10-19 10:52:04 +00:00
Julian Sommer
114 lines
4.0 KiB
Go
114 lines
4.0 KiB
Go
//go:build e2e
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package single
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import (
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"testing"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/mulgadc/spinifex/tests/e2e/harness"
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"github.com/stretchr/testify/require"
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)
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// Package-local bootstrappers wrapping harness.Discover*/Ensure* so each Test*
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// can self-bootstrap its prerequisites. Results are memoized by harness.Fixture.
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// needAZ returns the discovered default availability zone.
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func needAZ(t *testing.T, fix *Fixture) string {
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t.Helper()
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return harness.DiscoverDefaultAZ(t, fix.Harness)
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}
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// needInstanceTypeArch returns the nano instance type and its architecture.
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func needInstanceTypeArch(t *testing.T, fix *Fixture) (instanceType, arch string) {
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t.Helper()
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return harness.DiscoverNanoInstanceType(t, fix.Harness)
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}
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// needAMI returns the discovered architecture-appropriate Ubuntu AMI ID.
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func needAMI(t *testing.T, fix *Fixture) string {
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t.Helper()
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_, arch := needInstanceTypeArch(t, fix)
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return harness.DiscoverUbuntuAMI(t, fix.Harness, arch)
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}
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// needKeyPair returns the memoized primary EC2 key pair name + PEM path.
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func needKeyPair(t *testing.T, fix *Fixture) (name, pemPath string) {
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t.Helper()
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return harness.EnsureKeyPair(t, fix.Harness, fix.TmpDir)
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}
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// customAMIName is the well-known AMI name used by CreateImage tests.
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const customAMIName = "e2e-custom-ami"
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// needCustomAMI returns the memoized CreateImage-built custom AMI ID,
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// building it (via harness.EnsureAMI) on first call. Bootstraps the source
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// instance first.
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func needCustomAMI(t *testing.T, fix *Fixture) string {
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t.Helper()
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inst, _ := needInstance(t, fix)
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return ensureCustomAMI(t, fix, aws.StringValue(inst.InstanceId), customAMIName, "E2E test custom image")
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}
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// ensureCustomAMI is the underlying create path used by needCustomAMI and
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// the phase5e direct call. Routes through harness.EnsureAMI so the AMI is
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// torn down at fixture cleanup.
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func ensureCustomAMI(t *testing.T, fix *Fixture, sourceInstanceID, name, desc string) string {
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t.Helper()
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return harness.EnsureAMI(t, fix.Harness, harness.AMISource{
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CreateFrom: &harness.AMICreateSpec{
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SourceInstanceID: sourceInstanceID,
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Name: name,
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Description: desc,
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NoReboot: true,
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},
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})
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}
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// needInstance bootstraps the suite's primary running instance and returns
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// the *ec2.Instance plus its root volume ID. Idempotent via harness.EnsureInstance.
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func needInstance(t *testing.T, fix *Fixture) (inst *ec2.Instance, rootVolumeID string) {
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t.Helper()
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instType, _ := needInstanceTypeArch(t, fix)
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keyName, _ := needKeyPair(t, fix)
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ami := needAMI(t, fix)
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vpc := harness.EnsureDefaultVPC(t, fix.Harness)
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require.NotEmpty(t, vpc.SGID, "default SG ID required")
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harness.AuthorizeSSHIngress(t, fix.AWS, vpc.SGID)
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instanceID := harness.EnsureInstance(t, fix.Harness, harness.InstanceSpec{
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AMIID: ami,
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InstanceType: instType,
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KeyName: keyName,
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SubnetID: vpc.SubnetID,
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SGID: vpc.SGID,
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})
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require.NotEmpty(t, instanceID, "EnsureInstance returned empty InstanceId")
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descOut, err := fix.AWS.EC2.DescribeInstances(&ec2.DescribeInstancesInput{
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InstanceIds: []*string{aws.String(instanceID)},
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})
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require.NoError(t, err, "describe-instances %s", instanceID)
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require.NotEmpty(t, descOut.Reservations, "no reservations for %s", instanceID)
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require.NotEmpty(t, descOut.Reservations[0].Instances, "no instances for %s", instanceID)
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inst = descOut.Reservations[0].Instances[0]
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// Match BDM by RootDeviceName; fall back to first BDM if empty.
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rootDev := aws.StringValue(inst.RootDeviceName)
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for _, bdm := range inst.BlockDeviceMappings {
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if rootDev != "" && aws.StringValue(bdm.DeviceName) != rootDev {
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continue
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}
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if bdm.Ebs != nil {
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rootVolumeID = aws.StringValue(bdm.Ebs.VolumeId)
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break
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}
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}
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if rootVolumeID == "" && len(inst.BlockDeviceMappings) > 0 && inst.BlockDeviceMappings[0].Ebs != nil {
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rootVolumeID = aws.StringValue(inst.BlockDeviceMappings[0].Ebs.VolumeId)
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}
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require.NotEmpty(t, rootVolumeID, "could not resolve root volume from BlockDeviceMappings")
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return inst, rootVolumeID
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}
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