426 lines
9.2 KiB
Go
426 lines
9.2 KiB
Go
package docker
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import (
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"testing"
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"github.com/hashicorp/nomad/helper/pluginutils/hclutils"
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"github.com/stretchr/testify/require"
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)
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func TestConfig_ParseHCL(t *testing.T) {
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cases := []struct {
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name string
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input string
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expected *TaskConfig
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}{
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{
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"basic image",
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`config {
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image = "redis:3.2"
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}`,
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&TaskConfig{
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Image: "redis:3.2",
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Devices: []DockerDevice{},
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Mounts: []DockerMount{},
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},
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},
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}
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parser := hclutils.NewConfigParser(taskConfigSpec)
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for _, c := range cases {
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c := c
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t.Run(c.name, func(t *testing.T) {
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var tc *TaskConfig
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parser.ParseHCL(t, c.input, &tc)
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require.EqualValues(t, c.expected, tc)
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})
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}
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}
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func TestConfig_ParseJSON(t *testing.T) {
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cases := []struct {
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name string
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input string
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expected TaskConfig
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}{
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{
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name: "nil values for blocks are safe",
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input: `{"Config": {"image": "bash:3", "mounts": null}}`,
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expected: TaskConfig{
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Image: "bash:3",
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Mounts: []DockerMount{},
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Devices: []DockerDevice{},
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},
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},
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{
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name: "nil values for 'volumes' field are safe",
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input: `{"Config": {"image": "bash:3", "volumes": null}}`,
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expected: TaskConfig{
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Image: "bash:3",
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Mounts: []DockerMount{},
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Devices: []DockerDevice{},
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},
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},
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{
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name: "nil values for 'args' field are safe",
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input: `{"Config": {"image": "bash:3", "args": null}}`,
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expected: TaskConfig{
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Image: "bash:3",
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Mounts: []DockerMount{},
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Devices: []DockerDevice{},
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},
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},
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{
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name: "nil values for string fields are safe",
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input: `{"Config": {"image": "bash:3", "command": null}}`,
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expected: TaskConfig{
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Image: "bash:3",
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Mounts: []DockerMount{},
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Devices: []DockerDevice{},
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},
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},
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}
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for _, c := range cases {
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c := c
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t.Run(c.name, func(t *testing.T) {
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var tc TaskConfig
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hclutils.NewConfigParser(taskConfigSpec).ParseJson(t, c.input, &tc)
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require.Equal(t, c.expected, tc)
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})
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}
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}
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func TestConfig_PortMap_Deserialization(t *testing.T) {
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parser := hclutils.NewConfigParser(taskConfigSpec)
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expectedMap := map[string]int{
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"ssh": 25,
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"http": 80,
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"https": 443,
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}
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t.Run("parsing hcl block case", func(t *testing.T) {
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validHCL := `
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config {
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image = "redis"
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port_map {
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ssh = 25
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http = 80
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https = 443
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}
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}`
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var tc *TaskConfig
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parser.ParseHCL(t, validHCL, &tc)
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require.EqualValues(t, expectedMap, tc.PortMap)
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})
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t.Run("parsing hcl assignment case", func(t *testing.T) {
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validHCL := `
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config {
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image = "redis"
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port_map = {
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ssh = 25
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http = 80
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https = 443
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}
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}`
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var tc *TaskConfig
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parser.ParseHCL(t, validHCL, &tc)
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require.EqualValues(t, expectedMap, tc.PortMap)
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})
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validJsons := []struct {
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name string
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json string
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}{
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{
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"single map in an array",
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`{"Config": {"image": "redis", "port_map": [{"ssh": 25, "http": 80, "https": 443}]}}`,
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},
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{
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"array of single map entries",
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`{"Config": {"image": "redis", "port_map": [{"ssh": 25}, {"http": 80}, {"https": 443}]}}`,
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},
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{
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"array of maps",
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`{"Config": {"image": "redis", "port_map": [{"ssh": 25, "http": 80}, {"https": 443}]}}`,
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},
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}
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for _, c := range validJsons {
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t.Run("json:"+c.name, func(t *testing.T) {
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var tc *TaskConfig
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parser.ParseJson(t, c.json, &tc)
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require.EqualValues(t, expectedMap, tc.PortMap)
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})
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}
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}
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func TestConfig_ParseAllHCL(t *testing.T) {
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cfgStr := `
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config {
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image = "redis:3.2"
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advertise_ipv6_address = true
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args = ["command_arg1", "command_arg2"]
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auth {
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username = "myusername"
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password = "mypassword"
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email = "myemail@example.com"
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server_address = "https://example.com"
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}
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auth_soft_fail = true
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cap_add = ["CAP_SYS_NICE"]
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cap_drop = ["CAP_SYS_ADMIN", "CAP_SYS_TIME"]
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command = "/bin/bash"
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cpu_hard_limit = true
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cpu_cfs_period = 20
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devices = [
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{"host_path"="/dev/null", "container_path"="/tmp/container-null", cgroup_permissions="rwm"},
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{"host_path"="/dev/random", "container_path"="/tmp/container-random"},
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]
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dns_search_domains = ["sub.example.com", "sub2.example.com"]
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dns_options = ["debug", "attempts:10"]
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dns_servers = ["8.8.8.8", "1.1.1.1"]
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entrypoint = ["/bin/bash", "-c"]
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extra_hosts = ["127.0.0.1 localhost.example.com"]
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force_pull = true
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hostname = "self.example.com"
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interactive = true
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ipc_mode = "host"
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ipv4_address = "10.0.2.1"
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ipv6_address = "2601:184:407f:b37c:d834:412e:1f86:7699"
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labels {
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owner = "hashicorp-nomad"
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key = "val"
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}
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load = "/tmp/image.tar.gz"
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logging {
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driver = "json-file-driver"
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type = "json-file"
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config {
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"max-file" = "3"
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"max-size" = "10m"
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}
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}
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mac_address = "02:42:ac:11:00:02"
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mounts = [
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{
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type = "bind"
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target = "/bind-target",
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source = "/bind-source"
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readonly = true
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bind_options {
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propagation = "rshared"
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}
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},
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{
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type = "tmpfs"
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target = "/tmpfs-target",
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readonly = true
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tmpfs_options {
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size = 30000
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mode = 0777
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}
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},
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{
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type = "volume"
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target = "/volume-target"
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source = "/volume-source"
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readonly = true
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volume_options {
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no_copy = true
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labels {
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label_key = "label_value"
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}
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driver_config {
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name = "nfs"
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options {
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option_key = "option_value"
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}
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}
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}
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},
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]
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network_aliases = ["redis"]
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network_mode = "host"
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pids_limit = 2000
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pid_mode = "host"
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port_map {
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http = 80
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redis = 6379
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}
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privileged = true
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readonly_rootfs = true
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security_opt = [
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"credentialspec=file://gmsaUser.json"
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],
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shm_size = 30000
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storage_opt {
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dm.thinpooldev = "dev/mapper/thin-pool"
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dm.use_deferred_deletion = "true"
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dm.use_deferred_removal = "true"
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}
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sysctl {
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net.core.somaxconn = "16384"
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}
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tty = true
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ulimit {
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nproc = "4242"
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nofile = "2048:4096"
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}
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uts_mode = "host"
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userns_mode = "host"
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volumes = [
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"/host-path:/container-path:rw",
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]
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volume_driver = "host"
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work_dir = "/tmp/workdir"
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}`
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expected := &TaskConfig{
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Image: "redis:3.2",
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AdvertiseIPv6Addr: true,
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Args: []string{"command_arg1", "command_arg2"},
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Auth: DockerAuth{
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Username: "myusername",
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Password: "mypassword",
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Email: "myemail@example.com",
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ServerAddr: "https://example.com",
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},
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AuthSoftFail: true,
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CapAdd: []string{"CAP_SYS_NICE"},
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CapDrop: []string{"CAP_SYS_ADMIN", "CAP_SYS_TIME"},
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Command: "/bin/bash",
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CPUHardLimit: true,
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CPUCFSPeriod: 20,
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Devices: []DockerDevice{
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{
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HostPath: "/dev/null",
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ContainerPath: "/tmp/container-null",
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CgroupPermissions: "rwm",
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},
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{
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HostPath: "/dev/random",
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ContainerPath: "/tmp/container-random",
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CgroupPermissions: "",
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},
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},
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DNSSearchDomains: []string{"sub.example.com", "sub2.example.com"},
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DNSOptions: []string{"debug", "attempts:10"},
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DNSServers: []string{"8.8.8.8", "1.1.1.1"},
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Entrypoint: []string{"/bin/bash", "-c"},
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ExtraHosts: []string{"127.0.0.1 localhost.example.com"},
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ForcePull: true,
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Hostname: "self.example.com",
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Interactive: true,
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IPCMode: "host",
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IPv4Address: "10.0.2.1",
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IPv6Address: "2601:184:407f:b37c:d834:412e:1f86:7699",
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Labels: map[string]string{
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"owner": "hashicorp-nomad",
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"key": "val",
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},
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LoadImage: "/tmp/image.tar.gz",
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Logging: DockerLogging{
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Driver: "json-file-driver",
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Type: "json-file",
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Config: map[string]string{
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"max-file": "3",
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"max-size": "10m",
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}},
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MacAddress: "02:42:ac:11:00:02",
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Mounts: []DockerMount{
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{
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Type: "bind",
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Target: "/bind-target",
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Source: "/bind-source",
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ReadOnly: true,
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BindOptions: DockerBindOptions{
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Propagation: "rshared",
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},
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},
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{
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Type: "tmpfs",
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Target: "/tmpfs-target",
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Source: "",
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ReadOnly: true,
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TmpfsOptions: DockerTmpfsOptions{
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SizeBytes: 30000,
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Mode: 511,
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},
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},
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{
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Type: "volume",
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Target: "/volume-target",
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Source: "/volume-source",
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ReadOnly: true,
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VolumeOptions: DockerVolumeOptions{
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NoCopy: true,
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Labels: map[string]string{
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"label_key": "label_value",
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},
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DriverConfig: DockerVolumeDriverConfig{
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Name: "nfs",
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Options: map[string]string{
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"option_key": "option_value",
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},
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},
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},
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},
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},
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NetworkAliases: []string{"redis"},
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NetworkMode: "host",
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PidsLimit: 2000,
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PidMode: "host",
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PortMap: map[string]int{
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"http": 80,
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"redis": 6379,
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},
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Privileged: true,
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ReadonlyRootfs: true,
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SecurityOpt: []string{
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"credentialspec=file://gmsaUser.json",
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},
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ShmSize: 30000,
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StorageOpt: map[string]string{
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"dm.thinpooldev": "dev/mapper/thin-pool",
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"dm.use_deferred_deletion": "true",
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"dm.use_deferred_removal": "true",
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},
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Sysctl: map[string]string{
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"net.core.somaxconn": "16384",
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},
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TTY: true,
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Ulimit: map[string]string{
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"nofile": "2048:4096",
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"nproc": "4242",
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},
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UTSMode: "host",
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UsernsMode: "host",
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Volumes: []string{
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"/host-path:/container-path:rw",
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},
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VolumeDriver: "host",
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WorkDir: "/tmp/workdir",
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}
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var tc *TaskConfig
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hclutils.NewConfigParser(taskConfigSpec).ParseHCL(t, cfgStr, &tc)
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require.EqualValues(t, expected, tc)
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}
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