open-nomad/nomad/job_endpoint_hook_connect_t...

482 lines
13 KiB
Go

package nomad
import (
"fmt"
"testing"
"time"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/stretchr/testify/require"
)
func TestJobEndpointConnect_isSidecarForService(t *testing.T) {
t.Parallel()
cases := []struct {
t *structs.Task // task
s string // service
r bool // result
}{
{
&structs.Task{},
"api",
false,
},
{
&structs.Task{
Kind: "connect-proxy:api",
},
"api",
true,
},
{
&structs.Task{
Kind: "connect-proxy:api",
},
"db",
false,
},
{
&structs.Task{
Kind: "api",
},
"api",
false,
},
}
for _, c := range cases {
require.Equal(t, c.r, isSidecarForService(c.t, c.s))
}
}
func TestJobEndpointConnect_groupConnectHook(t *testing.T) {
t.Parallel()
// Test that connect-proxy task is inserted for backend service
job := mock.Job()
job.TaskGroups[0] = &structs.TaskGroup{
Networks: structs.Networks{
{
Mode: "bridge",
},
},
Services: []*structs.Service{
{
Name: "backend",
PortLabel: "8080",
Connect: &structs.ConsulConnect{
SidecarService: &structs.ConsulSidecarService{},
},
},
{
Name: "admin",
PortLabel: "9090",
Connect: &structs.ConsulConnect{
SidecarService: &structs.ConsulSidecarService{},
},
},
},
}
// Expected tasks
tgOut := job.TaskGroups[0].Copy()
tgOut.Tasks = []*structs.Task{
newConnectTask(tgOut.Services[0].Name),
newConnectTask(tgOut.Services[1].Name),
}
// Expect sidecar tasks to be properly canonicalized
tgOut.Tasks[0].Canonicalize(job, tgOut)
tgOut.Tasks[1].Canonicalize(job, tgOut)
tgOut.Networks[0].DynamicPorts = []structs.Port{
{
Label: fmt.Sprintf("%s-%s", structs.ConnectProxyPrefix, "backend"),
To: -1,
},
{
Label: fmt.Sprintf("%s-%s", structs.ConnectProxyPrefix, "admin"),
To: -1,
},
}
tgOut.Networks[0].Canonicalize()
require.NoError(t, groupConnectHook(job, job.TaskGroups[0]))
require.Exactly(t, tgOut, job.TaskGroups[0])
// Test that hook is idempotent
require.NoError(t, groupConnectHook(job, job.TaskGroups[0]))
require.Exactly(t, tgOut, job.TaskGroups[0])
}
func TestJobEndpointConnect_groupConnectHook_IngressGateway(t *testing.T) {
t.Parallel()
// Test that the connect gateway task is inserted if a gateway service exists
// and since this is a bridge network, will rewrite the default gateway proxy
// block with correct configuration.
job := mock.ConnectIngressGatewayJob("bridge", false)
expTG := job.TaskGroups[0].Copy()
expTG.Tasks = []*structs.Task{
// inject the gateway task
newConnectGatewayTask(expTG.Services[0].Name, false),
}
expTG.Tasks[0].Canonicalize(job, expTG)
expTG.Networks[0].Canonicalize()
// rewrite the service gateway proxy configuration
expTG.Services[0].Connect.Gateway.Proxy = gatewayProxyForBridge(expTG.Services[0].Connect.Gateway)
require.NoError(t, groupConnectHook(job, job.TaskGroups[0]))
require.Exactly(t, expTG, job.TaskGroups[0])
// Test that the hook is idempotent
require.NoError(t, groupConnectHook(job, job.TaskGroups[0]))
require.Exactly(t, expTG, job.TaskGroups[0])
}
// TestJobEndpoint_ConnectInterpolation asserts that when a Connect sidecar
// proxy task is being created for a group service with an interpolated name,
// the service name is interpolated *before the task is created.
//
// See https://github.com/hashicorp/nomad/issues/6853
func TestJobEndpointConnect_ConnectInterpolation(t *testing.T) {
t.Parallel()
server := &Server{logger: testlog.HCLogger(t)}
jobEndpoint := NewJobEndpoints(server)
j := mock.ConnectJob()
j.TaskGroups[0].Services[0].Name = "${JOB}-api"
j, warnings, err := jobEndpoint.admissionMutators(j)
require.NoError(t, err)
require.Nil(t, warnings)
require.Len(t, j.TaskGroups[0].Tasks, 2)
require.Equal(t, "connect-proxy-my-job-api", j.TaskGroups[0].Tasks[1].Name)
}
func TestJobEndpointConnect_groupConnectSidecarValidate(t *testing.T) {
t.Parallel()
t.Run("sidecar 0 networks", func(t *testing.T) {
require.EqualError(t, groupConnectSidecarValidate(&structs.TaskGroup{
Name: "g1",
Networks: nil,
}), `Consul Connect sidecars require exactly 1 network, found 0 in group "g1"`)
})
t.Run("sidecar non bridge", func(t *testing.T) {
require.EqualError(t, groupConnectSidecarValidate(&structs.TaskGroup{
Name: "g2",
Networks: structs.Networks{{
Mode: "host",
}},
}), `Consul Connect sidecar requires bridge network, found "host" in group "g2"`)
})
t.Run("sidecar okay", func(t *testing.T) {
require.NoError(t, groupConnectSidecarValidate(&structs.TaskGroup{
Name: "g3",
Networks: structs.Networks{{
Mode: "bridge",
}},
}))
})
}
func TestJobEndpointConnect_getNamedTaskForNativeService(t *testing.T) {
t.Parallel()
t.Run("named exists", func(t *testing.T) {
task, err := getNamedTaskForNativeService(&structs.TaskGroup{
Name: "g1",
Tasks: []*structs.Task{{Name: "t1"}, {Name: "t2"}},
}, "s1", "t2")
require.NoError(t, err)
require.Equal(t, "t2", task.Name)
})
t.Run("infer exists", func(t *testing.T) {
task, err := getNamedTaskForNativeService(&structs.TaskGroup{
Name: "g1",
Tasks: []*structs.Task{{Name: "t2"}},
}, "s1", "")
require.NoError(t, err)
require.Equal(t, "t2", task.Name)
})
t.Run("infer ambiguous", func(t *testing.T) {
task, err := getNamedTaskForNativeService(&structs.TaskGroup{
Name: "g1",
Tasks: []*structs.Task{{Name: "t1"}, {Name: "t2"}},
}, "s1", "")
require.EqualError(t, err, "task for Consul Connect Native service g1->s1 is ambiguous and must be set")
require.Nil(t, task)
})
t.Run("named absent", func(t *testing.T) {
task, err := getNamedTaskForNativeService(&structs.TaskGroup{
Name: "g1",
Tasks: []*structs.Task{{Name: "t1"}, {Name: "t2"}},
}, "s1", "t3")
require.EqualError(t, err, "task t3 named by Consul Connect Native service g1->s1 does not exist")
require.Nil(t, task)
})
}
func TestJobEndpointConnect_groupConnectGatewayValidate(t *testing.T) {
t.Parallel()
t.Run("no group network", func(t *testing.T) {
err := groupConnectGatewayValidate(&structs.TaskGroup{
Name: "g1",
Networks: nil,
})
require.EqualError(t, err, `Consul Connect gateways require exactly 1 network, found 0 in group "g1"`)
})
t.Run("bad network mode", func(t *testing.T) {
err := groupConnectGatewayValidate(&structs.TaskGroup{
Name: "g1",
Networks: structs.Networks{{
Mode: "",
}},
})
require.EqualError(t, err, `Consul Connect Gateway service requires Task Group with network mode of type "bridge" or "host"`)
})
}
func TestJobEndpointConnect_newConnectGatewayTask_host(t *testing.T) {
task := newConnectGatewayTask("service1", true)
require.Equal(t, "connect-ingress-service1", task.Name)
require.Equal(t, "connect-ingress:service1", string(task.Kind))
require.Equal(t, ">= 1.8.0", task.Constraints[0].RTarget)
require.Equal(t, "host", task.Config["network_mode"])
require.Nil(t, task.Lifecycle)
}
func TestJobEndpointConnect_newConnectGatewayTask_bridge(t *testing.T) {
task := newConnectGatewayTask("service1", false)
require.NotContains(t, task.Config, "network_mode")
}
func TestJobEndpointConnect_hasGatewayTaskForService(t *testing.T) {
t.Run("no gateway task", func(t *testing.T) {
result := hasGatewayTaskForService(&structs.TaskGroup{
Name: "group",
Tasks: []*structs.Task{{
Name: "task1",
Kind: "",
}},
}, "my-service")
require.False(t, result)
})
t.Run("has gateway task", func(t *testing.T) {
result := hasGatewayTaskForService(&structs.TaskGroup{
Name: "group",
Tasks: []*structs.Task{{
Name: "task1",
Kind: "",
}, {
Name: "ingress-gateway-my-service",
Kind: structs.NewTaskKind(structs.ConnectIngressPrefix, "my-service"),
}},
}, "my-service")
require.True(t, result)
})
}
func TestJobEndpointConnect_gatewayProxyIsDefault(t *testing.T) {
t.Run("nil", func(t *testing.T) {
result := gatewayProxyIsDefault(nil)
require.True(t, result)
})
t.Run("unrelated fields set", func(t *testing.T) {
result := gatewayProxyIsDefault(&structs.ConsulGatewayProxy{
ConnectTimeout: helper.TimeToPtr(2 * time.Second),
Config: map[string]interface{}{"foo": 1},
})
require.True(t, result)
})
t.Run("no-bind set", func(t *testing.T) {
result := gatewayProxyIsDefault(&structs.ConsulGatewayProxy{
EnvoyGatewayNoDefaultBind: true,
})
require.False(t, result)
})
t.Run("bind-tagged set", func(t *testing.T) {
result := gatewayProxyIsDefault(&structs.ConsulGatewayProxy{
EnvoyGatewayBindTaggedAddresses: true,
})
require.False(t, result)
})
t.Run("bind-addresses set", func(t *testing.T) {
result := gatewayProxyIsDefault(&structs.ConsulGatewayProxy{
EnvoyGatewayBindAddresses: map[string]*structs.ConsulGatewayBindAddress{
"listener1": &structs.ConsulGatewayBindAddress{
Address: "1.1.1.1",
Port: 9000,
},
},
})
require.False(t, result)
})
}
func TestJobEndpointConnect_gatewayBindAddresses(t *testing.T) {
t.Run("nil", func(t *testing.T) {
result := gatewayBindAddresses(nil)
require.Nil(t, result)
})
t.Run("no listeners", func(t *testing.T) {
result := gatewayBindAddresses(&structs.ConsulIngressConfigEntry{Listeners: nil})
require.Nil(t, result)
})
t.Run("simple", func(t *testing.T) {
result := gatewayBindAddresses(&structs.ConsulIngressConfigEntry{
Listeners: []*structs.ConsulIngressListener{{
Port: 3000,
Protocol: "tcp",
Services: []*structs.ConsulIngressService{{
Name: "service1",
}},
}},
})
require.Equal(t, map[string]*structs.ConsulGatewayBindAddress{
"service1": &structs.ConsulGatewayBindAddress{
Address: "0.0.0.0",
Port: 3000,
},
}, result)
})
t.Run("complex", func(t *testing.T) {
result := gatewayBindAddresses(&structs.ConsulIngressConfigEntry{
Listeners: []*structs.ConsulIngressListener{{
Port: 3000,
Protocol: "tcp",
Services: []*structs.ConsulIngressService{{
Name: "service1",
}, {
Name: "service2",
}},
}, {
Port: 3001,
Protocol: "http",
Services: []*structs.ConsulIngressService{{
Name: "service3",
}},
}},
})
require.Equal(t, map[string]*structs.ConsulGatewayBindAddress{
"service1": &structs.ConsulGatewayBindAddress{
Address: "0.0.0.0",
Port: 3000,
},
"service2": &structs.ConsulGatewayBindAddress{
Address: "0.0.0.0",
Port: 3000,
},
"service3": &structs.ConsulGatewayBindAddress{
Address: "0.0.0.0",
Port: 3001,
},
}, result)
})
}
func TestJobEndpointConnect_gatewayProxyForBridge(t *testing.T) {
t.Run("nil", func(t *testing.T) {
result := gatewayProxyForBridge(nil)
require.Nil(t, result)
})
t.Run("nil proxy", func(t *testing.T) {
result := gatewayProxyForBridge(&structs.ConsulGateway{
Ingress: &structs.ConsulIngressConfigEntry{
Listeners: []*structs.ConsulIngressListener{{
Port: 3000,
Protocol: "tcp",
Services: []*structs.ConsulIngressService{{
Name: "service1",
}},
}},
},
})
require.Equal(t, &structs.ConsulGatewayProxy{
EnvoyGatewayNoDefaultBind: true,
EnvoyGatewayBindTaggedAddresses: false,
EnvoyGatewayBindAddresses: map[string]*structs.ConsulGatewayBindAddress{
"service1": {
Address: "0.0.0.0",
Port: 3000,
}},
}, result)
})
t.Run("fill in defaults", func(t *testing.T) {
result := gatewayProxyForBridge(&structs.ConsulGateway{
Proxy: &structs.ConsulGatewayProxy{
ConnectTimeout: helper.TimeToPtr(2 * time.Second),
Config: map[string]interface{}{"foo": 1},
},
Ingress: &structs.ConsulIngressConfigEntry{
Listeners: []*structs.ConsulIngressListener{{
Port: 3000,
Protocol: "tcp",
Services: []*structs.ConsulIngressService{{
Name: "service1",
}},
}},
},
})
require.Equal(t, &structs.ConsulGatewayProxy{
ConnectTimeout: helper.TimeToPtr(2 * time.Second),
Config: map[string]interface{}{"foo": 1},
EnvoyGatewayNoDefaultBind: true,
EnvoyGatewayBindTaggedAddresses: false,
EnvoyGatewayBindAddresses: map[string]*structs.ConsulGatewayBindAddress{
"service1": {
Address: "0.0.0.0",
Port: 3000,
}},
}, result)
})
t.Run("leave as-is", func(t *testing.T) {
result := gatewayProxyForBridge(&structs.ConsulGateway{
Proxy: &structs.ConsulGatewayProxy{
Config: map[string]interface{}{"foo": 1},
EnvoyGatewayBindTaggedAddresses: true,
},
Ingress: &structs.ConsulIngressConfigEntry{
Listeners: []*structs.ConsulIngressListener{{
Port: 3000,
Protocol: "tcp",
Services: []*structs.ConsulIngressService{{
Name: "service1",
}},
}},
},
})
require.Equal(t, &structs.ConsulGatewayProxy{
Config: map[string]interface{}{"foo": 1},
EnvoyGatewayNoDefaultBind: false,
EnvoyGatewayBindTaggedAddresses: true,
EnvoyGatewayBindAddresses: nil,
}, result)
})
}