471 lines
12 KiB
Go
471 lines
12 KiB
Go
package initialize
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/coreos/coreos-cloudinit/system"
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)
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func TestCloudConfigInvalidKeys(t *testing.T) {
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defer func() {
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if r := recover(); r != nil {
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t.Fatalf("panic while instantiating CloudConfig with nil keys: %v", r)
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}
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}()
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for _, tt := range []struct {
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contents string
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}{
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{"coreos:"},
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{"ssh_authorized_keys:"},
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{"ssh_authorized_keys:\n -"},
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{"ssh_authorized_keys:\n - 0:"},
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{"write_files:"},
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{"write_files:\n -"},
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{"write_files:\n - 0:"},
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{"users:"},
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{"users:\n -"},
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{"users:\n - 0:"},
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} {
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_, err := NewCloudConfig(tt.contents)
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if err != nil {
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t.Fatalf("error instantiating CloudConfig with invalid keys: %v", err)
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}
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}
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}
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func TestCloudConfigUnknownKeys(t *testing.T) {
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contents := `
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coreos:
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etcd:
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discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
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coreos_unknown:
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foo: "bar"
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section_unknown:
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dunno:
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something
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bare_unknown:
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bar
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write_files:
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- content: fun
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path: /var/party
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file_unknown: nofun
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users:
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- name: fry
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passwd: somehash
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user_unknown: philip
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hostname:
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foo
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("error instantiating CloudConfig with unknown keys: %v", err)
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}
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if cfg.Hostname != "foo" {
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t.Fatalf("hostname not correctly set when invalid keys are present")
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}
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if len(cfg.Coreos.Etcd) < 1 {
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t.Fatalf("etcd section not correctly set when invalid keys are present")
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}
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if len(cfg.WriteFiles) < 1 || cfg.WriteFiles[0].Content != "fun" || cfg.WriteFiles[0].Path != "/var/party" {
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t.Fatalf("write_files section not correctly set when invalid keys are present")
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}
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if len(cfg.Users) < 1 || cfg.Users[0].Name != "fry" || cfg.Users[0].PasswordHash != "somehash" {
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t.Fatalf("users section not correctly set when invalid keys are present")
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}
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var warnings string
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catchWarn := func(f string, v ...interface{}) {
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warnings += fmt.Sprintf(f, v...)
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}
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warnOnUnrecognizedKeys(contents, catchWarn)
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if !strings.Contains(warnings, "coreos_unknown") {
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t.Errorf("warnings did not catch unrecognized coreos option coreos_unknown")
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}
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if !strings.Contains(warnings, "bare_unknown") {
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t.Errorf("warnings did not catch unrecognized key bare_unknown")
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}
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if !strings.Contains(warnings, "section_unknown") {
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t.Errorf("warnings did not catch unrecognized key section_unknown")
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}
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if !strings.Contains(warnings, "user_unknown") {
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t.Errorf("warnings did not catch unrecognized user key user_unknown")
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}
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if !strings.Contains(warnings, "file_unknown") {
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t.Errorf("warnings did not catch unrecognized file key file_unknown")
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}
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}
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// Assert that the parsing of a cloud config file "generally works"
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func TestCloudConfigEmpty(t *testing.T) {
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cfg, err := NewCloudConfig("")
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if err != nil {
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t.Fatalf("Encountered unexpected error :%v", err)
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}
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keys := cfg.SSHAuthorizedKeys
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if len(keys) != 0 {
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t.Error("Parsed incorrect number of SSH keys")
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}
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if len(cfg.WriteFiles) != 0 {
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t.Error("Expected zero WriteFiles")
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}
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if cfg.Hostname != "" {
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t.Errorf("Expected hostname to be empty, got '%s'", cfg.Hostname)
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}
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}
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// Assert that the parsing of a cloud config file "generally works"
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func TestCloudConfig(t *testing.T) {
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contents := `
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coreos:
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etcd:
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discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
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update:
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reboot-strategy: reboot
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units:
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- name: 50-eth0.network
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runtime: yes
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content: '[Match]
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Name=eth47
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[Network]
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Address=10.209.171.177/19
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'
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oem:
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id: rackspace
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name: Rackspace Cloud Servers
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version-id: 168.0.0
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home-url: https://www.rackspace.com/cloud/servers/
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bug-report-url: https://github.com/coreos/coreos-overlay
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ssh_authorized_keys:
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- foobar
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- foobaz
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write_files:
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- content: |
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penny
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elroy
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path: /etc/dogepack.conf
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permissions: '0644'
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owner: root:dogepack
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hostname: trontastic
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error :%v", err)
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}
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keys := cfg.SSHAuthorizedKeys
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if len(keys) != 2 {
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t.Error("Parsed incorrect number of SSH keys")
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} else if keys[0] != "foobar" {
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t.Error("Expected first SSH key to be 'foobar'")
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} else if keys[1] != "foobaz" {
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t.Error("Expected first SSH key to be 'foobaz'")
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}
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if len(cfg.WriteFiles) != 1 {
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t.Error("Failed to parse correct number of write_files")
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} else {
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wf := cfg.WriteFiles[0]
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if wf.Content != "penny\nelroy\n" {
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t.Errorf("WriteFile has incorrect contents '%s'", wf.Content)
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}
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if wf.Encoding != "" {
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t.Errorf("WriteFile has incorrect encoding %s", wf.Encoding)
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}
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if perm, _ := wf.Permissions(); perm != 0644 {
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t.Errorf("WriteFile has incorrect permissions %s", perm)
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}
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if wf.Path != "/etc/dogepack.conf" {
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t.Errorf("WriteFile has incorrect path %s", wf.Path)
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}
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if wf.Owner != "root:dogepack" {
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t.Errorf("WriteFile has incorrect owner %s", wf.Owner)
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}
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}
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if len(cfg.Coreos.Units) != 1 {
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t.Error("Failed to parse correct number of units")
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} else {
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u := cfg.Coreos.Units[0]
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expect := `[Match]
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Name=eth47
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[Network]
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Address=10.209.171.177/19
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`
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if u.Content != expect {
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t.Errorf("Unit has incorrect contents '%s'.\nExpected '%s'.", u.Content, expect)
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}
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if u.Runtime != true {
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t.Errorf("Unit has incorrect runtime value")
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}
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if u.Name != "50-eth0.network" {
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t.Errorf("Unit has incorrect name %s", u.Name)
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}
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if u.Type() != "network" {
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t.Errorf("Unit has incorrect type '%s'", u.Type())
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}
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}
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if cfg.Coreos.OEM.ID != "rackspace" {
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t.Errorf("Failed parsing coreos.oem. Expected ID 'rackspace', got %q.", cfg.Coreos.OEM.ID)
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}
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if cfg.Hostname != "trontastic" {
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t.Errorf("Failed to parse hostname")
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}
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if cfg.Coreos.Update["reboot-strategy"] != "reboot" {
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t.Errorf("Failed to parse locksmith strategy")
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}
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}
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// Assert that our interface conversion doesn't panic
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func TestCloudConfigKeysNotList(t *testing.T) {
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contents := `
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ssh_authorized_keys:
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- foo: bar
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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keys := cfg.SSHAuthorizedKeys
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if len(keys) != 0 {
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t.Error("Parsed incorrect number of SSH keys")
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}
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}
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func TestCloudConfigSerializationHeader(t *testing.T) {
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cfg, _ := NewCloudConfig("")
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contents := cfg.String()
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header := strings.SplitN(contents, "\n", 2)[0]
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if header != "#cloud-config" {
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t.Fatalf("Serialized config did not have expected header")
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}
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}
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// TestDropInIgnored asserts that users are unable to set DropIn=True on units
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func TestDropInIgnored(t *testing.T) {
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contents := `
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coreos:
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units:
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- name: test
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dropin: true
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil || len(cfg.Coreos.Units) != 1 {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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if len(cfg.Coreos.Units) != 1 || cfg.Coreos.Units[0].Name != "test" {
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t.Fatalf("Expected 1 unit, but got %d: %v", len(cfg.Coreos.Units), cfg.Coreos.Units)
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}
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if cfg.Coreos.Units[0].DropIn {
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t.Errorf("dropin option on unit in cloud-config was not ignored!")
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}
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}
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func TestCloudConfigUsers(t *testing.T) {
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contents := `
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users:
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- name: elroy
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passwd: somehash
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ssh-authorized-keys:
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- somekey
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gecos: arbitrary comment
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homedir: /home/place
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no-create-home: yes
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primary-group: things
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groups:
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- ping
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- pong
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no-user-group: true
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system: y
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no-log-init: True
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`
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cfg, err := NewCloudConfig(contents)
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if err != nil {
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t.Fatalf("Encountered unexpected error: %v", err)
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}
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if len(cfg.Users) != 1 {
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t.Fatalf("Parsed %d users, expected 1", cfg.Users)
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}
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user := cfg.Users[0]
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if user.Name != "elroy" {
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t.Errorf("User name is %q, expected 'elroy'", user.Name)
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}
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if user.PasswordHash != "somehash" {
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t.Errorf("User passwd is %q, expected 'somehash'", user.PasswordHash)
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}
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if keys := user.SSHAuthorizedKeys; len(keys) != 1 {
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t.Errorf("Parsed %d ssh keys, expected 1", len(keys))
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} else {
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key := user.SSHAuthorizedKeys[0]
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if key != "somekey" {
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t.Errorf("User SSH key is %q, expected 'somekey'", key)
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}
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}
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if user.GECOS != "arbitrary comment" {
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t.Errorf("Failed to parse gecos field, got %q", user.GECOS)
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}
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if user.Homedir != "/home/place" {
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t.Errorf("Failed to parse homedir field, got %q", user.Homedir)
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}
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if !user.NoCreateHome {
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t.Errorf("Failed to parse no-create-home field")
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}
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if user.PrimaryGroup != "things" {
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t.Errorf("Failed to parse primary-group field, got %q", user.PrimaryGroup)
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}
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if len(user.Groups) != 2 {
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t.Errorf("Failed to parse 2 goups, got %d", len(user.Groups))
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} else {
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if user.Groups[0] != "ping" {
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t.Errorf("First group was %q, not expected value 'ping'", user.Groups[0])
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}
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if user.Groups[1] != "pong" {
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t.Errorf("First group was %q, not expected value 'pong'", user.Groups[1])
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}
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}
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if !user.NoUserGroup {
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t.Errorf("Failed to parse no-user-group field")
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}
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if !user.System {
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t.Errorf("Failed to parse system field")
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}
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if !user.NoLogInit {
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t.Errorf("Failed to parse no-log-init field")
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}
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}
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type TestUnitManager struct {
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placed []string
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enabled []string
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masked []string
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unmasked []string
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commands map[string]string
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reload bool
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}
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func (tum *TestUnitManager) PlaceUnit(unit *system.Unit, dst string) error {
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tum.placed = append(tum.placed, unit.Name)
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return nil
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}
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func (tum *TestUnitManager) EnableUnitFile(unit string, runtime bool) error {
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tum.enabled = append(tum.enabled, unit)
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return nil
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}
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func (tum *TestUnitManager) RunUnitCommand(command, unit string) (string, error) {
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tum.commands = make(map[string]string)
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tum.commands[unit] = command
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return "", nil
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}
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func (tum *TestUnitManager) DaemonReload() error {
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tum.reload = true
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return nil
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}
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func (tum *TestUnitManager) MaskUnit(unit *system.Unit) error {
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tum.masked = append(tum.masked, unit.Name)
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return nil
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}
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func (tum *TestUnitManager) UnmaskUnit(unit *system.Unit) error {
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tum.unmasked = append(tum.unmasked, unit.Name)
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return nil
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}
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func TestProcessUnits(t *testing.T) {
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tum := &TestUnitManager{}
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units := []system.Unit{
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system.Unit{
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Name: "foo",
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Mask: true,
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},
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}
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if err := processUnits(units, "", tum); err != nil {
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t.Fatalf("unexpected error calling processUnits: %v", err)
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}
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if len(tum.masked) != 1 || tum.masked[0] != "foo" {
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t.Errorf("expected foo to be masked, but found %v", tum.masked)
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}
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tum = &TestUnitManager{}
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units = []system.Unit{
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system.Unit{
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Name: "bar.network",
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},
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}
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if err := processUnits(units, "", tum); err != nil {
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t.Fatalf("unexpected error calling processUnits: %v", err)
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}
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if _, ok := tum.commands["systemd-networkd.service"]; !ok {
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t.Errorf("expected systemd-networkd.service to be reloaded!")
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}
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tum = &TestUnitManager{}
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units = []system.Unit{
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system.Unit{
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Name: "baz.service",
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Content: "[Service]\nExecStart=/bin/true",
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},
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}
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if err := processUnits(units, "", tum); err != nil {
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t.Fatalf("unexpected error calling processUnits: %v", err)
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}
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if len(tum.placed) != 1 || tum.placed[0] != "baz.service" {
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t.Fatalf("expected baz.service to be written, but got %v", tum.placed)
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}
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tum = &TestUnitManager{}
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units = []system.Unit{
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system.Unit{
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Name: "locksmithd.service",
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Runtime: true,
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},
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}
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if err := processUnits(units, "", tum); err != nil {
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t.Fatalf("unexpected error calling processUnits: %v", err)
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}
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if len(tum.unmasked) != 1 || tum.unmasked[0] != "locksmithd.service" {
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t.Fatalf("expected locksmithd.service to be unmasked, but got %v", tum.unmasked)
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}
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tum = &TestUnitManager{}
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units = []system.Unit{
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system.Unit{
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Name: "woof",
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Enable: true,
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},
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}
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if err := processUnits(units, "", tum); err != nil {
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t.Fatalf("unexpected error calling processUnits: %v", err)
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}
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if len(tum.enabled) != 1 || tum.enabled[0] != "woof" {
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t.Fatalf("expected woof to be enabled, but got %v", tum.enabled)
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}
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}
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