package jobspec2 import ( "os" "strings" "testing" "time" "github.com/hashicorp/nomad/api" "github.com/hashicorp/nomad/ci" "github.com/hashicorp/nomad/helper/pointer" "github.com/hashicorp/nomad/jobspec" "github.com/shoenig/test/must" "github.com/stretchr/testify/require" ) func TestEquivalentToHCL1(t *testing.T) { ci.Parallel(t) hclSpecDir := "../jobspec/test-fixtures/" fis, err := os.ReadDir(hclSpecDir) require.NoError(t, err) for _, fi := range fis { name := fi.Name() t.Run(name, func(t *testing.T) { f, err := os.Open(hclSpecDir + name) require.NoError(t, err) defer f.Close() job1, err := jobspec.Parse(f) if err != nil { t.Skip("file is not parsable in v1") } f.Seek(0, 0) job2, err := Parse(name, f) require.NoError(t, err) require.Equal(t, job1, job2) }) } } func TestEquivalentToHCL1_ComplexConfig(t *testing.T) { ci.Parallel(t) name := "./test-fixtures/config-compatibility.hcl" f, err := os.Open(name) require.NoError(t, err) defer f.Close() job1, err := jobspec.Parse(f) require.NoError(t, err) f.Seek(0, 0) job2, err := Parse(name, f) require.NoError(t, err) require.Equal(t, job1, job2) } func TestParse_ConnectJob(t *testing.T) { ci.Parallel(t) name := "./test-fixtures/connect-example.hcl" f, err := os.Open(name) must.NoError(t, err) t.Cleanup(func() { _ = f.Close() }) job2, err := Parse(name, f) must.NoError(t, err) timeout := job2.TaskGroups[0].Services[0].Connect.SidecarService.Proxy.Upstreams[0].Config["connect_timeout_ms"] must.Eq(t, 9999, timeout) } func TestParse_VarsAndFunctions(t *testing.T) { ci.Parallel(t) hcl := ` variables { region_var = "default" } job "example" { datacenters = [for s in ["dc1", "dc2"] : upper(s)] region = var.region_var } ` out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: []string{"region_var=aug"}, AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"DC1", "DC2"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "aug", *out.Region) } func TestParse_VariablesDefaultsAndSet(t *testing.T) { ci.Parallel(t) hcl := ` variables { region_var = "default_region" } variable "dc_var" { default = "default_dc" } job "example" { datacenters = [var.dc_var] region = var.region_var } ` t.Run("defaults", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"default_dc"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "default_region", *out.Region) }) t.Run("set via -var args", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: []string{"dc_var=set_dc", "region_var=set_region"}, AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"set_dc"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "set_region", *out.Region) }) t.Run("set via envvars", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), Envs: []string{ "NOMAD_VAR_dc_var=set_dc", "NOMAD_VAR_region_var=set_region", }, AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"set_dc"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "set_region", *out.Region) }) t.Run("set via var-files", func(t *testing.T) { varFile, err := os.CreateTemp("", "") require.NoError(t, err) defer os.Remove(varFile.Name()) content := `dc_var = "set_dc" region_var = "set_region"` _, err = varFile.WriteString(content) require.NoError(t, err) out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), VarFiles: []string{varFile.Name()}, AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"set_dc"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "set_region", *out.Region) }) t.Run("var-file does not exist", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), VarFiles: []string{"does-not-exist.hcl"}, AllowFS: true, }) require.Error(t, err) require.Nil(t, out) }) } // TestParse_UnknownVariables asserts that unknown variables are left intact for further processing func TestParse_UnknownVariables(t *testing.T) { ci.Parallel(t) hcl := ` variables { region_var = "default" } job "example" { datacenters = [for s in ["dc1", "dc2"] : upper(s)] region = var.region_var meta { known_var = "${var.region_var}" unknown_var = "${UNKNOWN}" } } ` out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: []string{"region_var=aug"}, AllowFS: true, }) require.NoError(t, err) meta := map[string]string{ "known_var": "aug", "unknown_var": "${UNKNOWN}", } require.Equal(t, meta, out.Meta) } // TestParse_UnsetVariables asserts that variables that have neither types nor // values return early instead of panicking. func TestParse_UnsetVariables(t *testing.T) { ci.Parallel(t) hcl := ` variable "region_var" {} job "example" { datacenters = [for s in ["dc1", "dc2"] : upper(s)] region = var.region_var } ` _, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: []string{}, AllowFS: true, }) require.Error(t, err) require.Contains(t, err.Error(), "Unset variable") } func TestParse_Locals(t *testing.T) { ci.Parallel(t) hcl := ` variables { region_var = "default_region" } locals { # literal local dc = "local_dc" # local that depends on a variable region = "${var.region_var}.example" } job "example" { datacenters = [local.dc] region = local.region } ` t.Run("defaults", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"local_dc"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "default_region.example", *out.Region) }) t.Run("set via -var argments", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: []string{"region_var=set_region"}, AllowFS: true, }) require.NoError(t, err) require.Equal(t, []string{"local_dc"}, out.Datacenters) require.NotNil(t, out.Region) require.Equal(t, "set_region.example", *out.Region) }) } func TestParse_FileOperators(t *testing.T) { ci.Parallel(t) hcl := ` job "example" { region = file("parse_test.go") } ` t.Run("enabled", func(t *testing.T) { out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: nil, AllowFS: true, }) require.NoError(t, err) expected, err := os.ReadFile("parse_test.go") require.NoError(t, err) require.NotNil(t, out.Region) require.Equal(t, string(expected), *out.Region) }) t.Run("disabled", func(t *testing.T) { _, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: nil, AllowFS: false, }) require.Error(t, err) require.Contains(t, err.Error(), "filesystem function disabled") }) } func TestParseDynamic(t *testing.T) { ci.Parallel(t) hcl := ` job "example" { dynamic "group" { for_each = [ { name = "groupA", idx = 1 }, { name = "groupB", idx = 2 }, { name = "groupC", idx = 3 }, ] labels = [group.value.name] content { count = group.value.idx service { port = group.value.name } task "simple" { driver = "raw_exec" config { command = group.value.name } meta { VERSION = group.value.idx } env { ID = format("id:%s", group.value.idx) } resources { cpu = group.value.idx } } } } } ` out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: nil, AllowFS: false, }) require.NoError(t, err) require.Len(t, out.TaskGroups, 3) require.Equal(t, "groupA", *out.TaskGroups[0].Name) require.Equal(t, "groupB", *out.TaskGroups[1].Name) require.Equal(t, "groupC", *out.TaskGroups[2].Name) require.Equal(t, 1, *out.TaskGroups[0].Tasks[0].Resources.CPU) require.Equal(t, "groupA", out.TaskGroups[0].Services[0].PortLabel) // interpolation inside maps require.Equal(t, "groupA", out.TaskGroups[0].Tasks[0].Config["command"]) require.Equal(t, "1", out.TaskGroups[0].Tasks[0].Meta["VERSION"]) require.Equal(t, "id:1", out.TaskGroups[0].Tasks[0].Env["ID"]) require.Equal(t, "id:2", out.TaskGroups[1].Tasks[0].Env["ID"]) require.Equal(t, "3", out.TaskGroups[2].Tasks[0].Meta["VERSION"]) } func TestParse_InvalidHCL(t *testing.T) { ci.Parallel(t) t.Run("invalid body", func(t *testing.T) { hcl := `invalid{hcl` _, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), ArgVars: []string{}, AllowFS: true, }) require.Error(t, err) }) t.Run("invalid vars file", func(t *testing.T) { tmp, err := os.CreateTemp("", "nomad-jobspec2-") require.NoError(t, err) defer os.Remove(tmp.Name()) vars := `invalid{hcl` _, err = tmp.Write([]byte(vars)) require.NoError(t, err) hcl := ` variables { region_var = "default" } job "example" { datacenters = [for s in ["dc1", "dc2"] : upper(s)] region = var.region_var } ` _, err = ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), VarFiles: []string{tmp.Name()}, ArgVars: []string{}, AllowFS: true, }) require.Error(t, err) }) } func TestParse_InvalidScalingSyntax(t *testing.T) { ci.Parallel(t) cases := []struct { name string expectedErr string hcl string }{ { "valid", "", ` job "example" { group "g1" { scaling { max = 40 type = "horizontal" } task "t1" { scaling "cpu" { max = 20 } scaling "mem" { max = 15 } } } } `, }, { "group missing max", `argument "max" is required`, ` job "example" { group "g1" { scaling { #max = 40 type = "horizontal" } task "t1" { scaling "cpu" { max = 20 } scaling "mem" { max = 15 } } } } `, }, { "group invalid type", `task group scaling policy had invalid type`, ` job "example" { group "g1" { scaling { max = 40 type = "invalid_type" } task "t1" { scaling "cpu" { max = 20 } scaling "mem" { max = 15 } } } } `, }, { "task invalid label", `scaling policy name must be "cpu" or "mem"`, ` job "example" { group "g1" { scaling { max = 40 type = "horizontal" } task "t1" { scaling "not_cpu" { max = 20 } scaling "mem" { max = 15 } } } } `, }, { "task duplicate blocks", `Duplicate scaling "cpu" block`, ` job "example" { group "g1" { scaling { max = 40 type = "horizontal" } task "t1" { scaling "cpu" { max = 20 } scaling "cpu" { max = 15 } } } } `, }, { "task invalid type", `Invalid scaling policy type`, ` job "example" { group "g1" { scaling { max = 40 type = "horizontal" } task "t1" { scaling "cpu" { max = 20 type = "invalid" } scaling "mem" { max = 15 } } } } `, }, } for _, c := range cases { t.Run(c.name, func(t *testing.T) { _, err := ParseWithConfig(&ParseConfig{ Path: c.name + ".hcl", Body: []byte(c.hcl), AllowFS: false, }) if c.expectedErr == "" { require.NoError(t, err) } else { require.Error(t, err) require.Contains(t, err.Error(), c.expectedErr) } }) } } func TestParseJob_JobWithFunctionsAndLookups(t *testing.T) { ci.Parallel(t) hcl := ` variable "env" { description = "target environment for the job" } locals { environments = { prod = { count = 20, dcs = ["prod-dc1", "prod-dc2"] }, staging = { count = 3, dcs = ["dc1"] }, } env = lookup(local.environments, var.env, { count = 0, dcs = [] }) } job "job-webserver" { datacenters = local.env.dcs group "group-webserver" { count = local.env.count task "server" { driver = "docker" config { image = "hashicorp/http-echo" args = ["-text", "Hello from ${var.env}"] } } } } ` cases := []struct { env string expectedJob *api.Job }{ { "prod", &api.Job{ ID: pointer.Of("job-webserver"), Name: pointer.Of("job-webserver"), Datacenters: []string{"prod-dc1", "prod-dc2"}, TaskGroups: []*api.TaskGroup{ { Name: pointer.Of("group-webserver"), Count: pointer.Of(20), Tasks: []*api.Task{ { Name: "server", Driver: "docker", Config: map[string]interface{}{ "image": "hashicorp/http-echo", "args": []interface{}{"-text", "Hello from prod"}, }, }, }, }, }, }, }, { "staging", &api.Job{ ID: pointer.Of("job-webserver"), Name: pointer.Of("job-webserver"), Datacenters: []string{"dc1"}, TaskGroups: []*api.TaskGroup{ { Name: pointer.Of("group-webserver"), Count: pointer.Of(3), Tasks: []*api.Task{ { Name: "server", Driver: "docker", Config: map[string]interface{}{ "image": "hashicorp/http-echo", "args": []interface{}{"-text", "Hello from staging"}, }, }, }, }, }, }, }, { "unknown", &api.Job{ ID: pointer.Of("job-webserver"), Name: pointer.Of("job-webserver"), Datacenters: []string{}, TaskGroups: []*api.TaskGroup{ { Name: pointer.Of("group-webserver"), Count: pointer.Of(0), Tasks: []*api.Task{ { Name: "server", Driver: "docker", Config: map[string]interface{}{ "image": "hashicorp/http-echo", "args": []interface{}{"-text", "Hello from unknown"}, }, }, }, }, }, }, }, } for _, c := range cases { t.Run(c.env, func(t *testing.T) { found, err := ParseWithConfig(&ParseConfig{ Path: "example.hcl", Body: []byte(hcl), AllowFS: false, ArgVars: []string{"env=" + c.env}, }) require.NoError(t, err) require.Equal(t, c.expectedJob, found) }) } } func TestParse_TaskEnvs(t *testing.T) { ci.Parallel(t) cases := []struct { name string envSnippet string expected map[string]string }{ { "none", ``, nil, }, { "block", ` env { key = "value" } `, map[string]string{"key": "value"}, }, { "attribute", ` env = { "key.dot" = "val1" key_unquoted_without_dot = "val2" } `, map[string]string{"key.dot": "val1", "key_unquoted_without_dot": "val2"}, }, { "attribute_colons", `env = { "key.dot" : "val1" key_unquoted_without_dot : "val2" } `, map[string]string{"key.dot": "val1", "key_unquoted_without_dot": "val2"}, }, { "attribute_empty", `env = {}`, map[string]string{}, }, { "attribute_expression", `env = {for k in ["a", "b"]: k => "val-${k}" }`, map[string]string{"a": "val-a", "b": "val-b"}, }, } for _, c := range cases { t.Run(c.name, func(t *testing.T) { hcl := ` job "example" { group "group" { task "task" { driver = "docker" config {} ` + c.envSnippet + ` } } }` out, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.NoError(t, err) require.Equal(t, c.expected, out.TaskGroups[0].Tasks[0].Env) }) } } func TestParse_TaskEnvs_Multiple(t *testing.T) { ci.Parallel(t) hcl := ` job "example" { group "group" { task "task" { driver = "docker" config {} env = {"a": "b"} env { c = "d" } } } }` _, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.Error(t, err) require.Contains(t, err.Error(), "Duplicate env block") } func Test_TaskEnvs_Invalid(t *testing.T) { ci.Parallel(t) cases := []struct { name string envSnippet string expectedErr string }{ { "attr: invalid expression", `env = { key = local.undefined_local }`, `does not have an attribute named "undefined_local"`, }, { "block: invalid block expression", `env { for k in ["a", "b"]: k => k }`, "Invalid block definition", }, { "attr: not make sense", `env = [ "a" ]`, "Unsuitable value: map of string required", }, } for _, c := range cases { t.Run(c.name, func(t *testing.T) { hcl := ` job "example" { group "group" { task "task" { driver = "docker" config {} ` + c.envSnippet + ` } } }` _, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.Error(t, err) require.Contains(t, err.Error(), c.expectedErr) }) } } func TestParse_Meta_Alternatives(t *testing.T) { ci.Parallel(t) hcl := ` job "example" { group "group" { task "task" { driver = "config" config {} meta { source = "task" } } meta { source = "group" } } meta { source = "job" } } ` asBlock, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.NoError(t, err) hclAsAttr := strings.ReplaceAll(hcl, "meta {", "meta = {") require.Equal(t, 3, strings.Count(hclAsAttr, "meta = {")) asAttr, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hclAsAttr), }) require.NoError(t, err) require.Equal(t, asBlock, asAttr) require.Equal(t, map[string]string{"source": "job"}, asBlock.Meta) require.Equal(t, map[string]string{"source": "group"}, asBlock.TaskGroups[0].Meta) require.Equal(t, map[string]string{"source": "task"}, asBlock.TaskGroups[0].Tasks[0].Meta) } // TestParse_UndefinedVariables asserts that values with undefined variables are left // intact in the job representation func TestParse_UndefinedVariables(t *testing.T) { ci.Parallel(t) cases := []string{ "plain", "foo-${BAR}", "foo-${attr.network.dev-us-east1-relay-vpc.external-ip.0}", `${env["BLAH"]}`, `${mixed-indexing.0[3]["FOO"].5}`, `with spaces ${ root. field[ "FOO"].5 }`, } for _, c := range cases { t.Run(c, func(t *testing.T) { hcl := `job "example" { region = "` + c + `" }` job, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.NoError(t, err) require.Equal(t, c, *job.Region) }) } t.Run("unquoted", func(t *testing.T) { hcl := `job "example" { region = meta.mytest }` job, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.NoError(t, err) require.Equal(t, "${meta.mytest}", *job.Region) }) } func TestParseServiceCheck(t *testing.T) { ci.Parallel(t) hcl := ` job "group_service_check_script" { group "group" { service { name = "foo-service" port = "http" check { name = "check-name" type = "http" method = "POST" body = "{\"check\":\"mem\"}" } } } } ` parsedJob, err := ParseWithConfig(&ParseConfig{ Path: "input.hcl", Body: []byte(hcl), }) require.NoError(t, err) expectedJob := &api.Job{ ID: pointer.Of("group_service_check_script"), Name: pointer.Of("group_service_check_script"), TaskGroups: []*api.TaskGroup{ { Name: pointer.Of("group"), Services: []*api.Service{ { Name: "foo-service", PortLabel: "http", Checks: []api.ServiceCheck{ { Name: "check-name", Type: "http", Method: "POST", Body: "{\"check\":\"mem\"}", }, }, }, }, }, }, } require.Equal(t, expectedJob, parsedJob) } func TestWaitConfig(t *testing.T) { ci.Parallel(t) hclBytes, err := os.ReadFile("test-fixtures/template-wait-config.hcl") require.NoError(t, err) job, err := ParseWithConfig(&ParseConfig{ Path: "test-fixtures/template-wait-config.hcl", Body: hclBytes, AllowFS: false, }) require.NoError(t, err) tmpl := job.TaskGroups[0].Tasks[0].Templates[0] require.NotNil(t, tmpl) require.NotNil(t, tmpl.Wait) require.Equal(t, 5*time.Second, *tmpl.Wait.Min) require.Equal(t, 60*time.Second, *tmpl.Wait.Max) } func TestErrMissingKey(t *testing.T) { ci.Parallel(t) hclBytes, err := os.ReadFile("test-fixtures/template-err-missing-key.hcl") require.NoError(t, err) job, err := ParseWithConfig(&ParseConfig{ Path: "test-fixtures/template-err-missing-key.hcl", Body: hclBytes, AllowFS: false, }) require.NoError(t, err) tmpl := job.TaskGroups[0].Tasks[0].Templates[0] require.NotNil(t, tmpl) require.NotNil(t, tmpl.ErrMissingKey) require.True(t, *tmpl.ErrMissingKey) }