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docker.go
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docker.go
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package agent
import (
"strings"
"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
"gopkg.in/yaml.v3"
"github.com/DataDog/test-infra-definitions/common/config"
"github.com/DataDog/test-infra-definitions/common/utils"
"github.com/DataDog/test-infra-definitions/components"
"github.com/DataDog/test-infra-definitions/components/datadog/dockeragentparams"
"github.com/DataDog/test-infra-definitions/components/docker"
remoteComp "github.com/DataDog/test-infra-definitions/components/remote"
)
const (
agentContainerName = "datadog-agent"
)
type DockerAgentOutput struct {
components.JSONImporter
DockerManager docker.ManagerOutput `json:"dockerManager"`
ContainerName string `json:"containerName"`
}
// DockerAgent is a Docker installer on a remote Host
type DockerAgent struct {
pulumi.ResourceState
components.Component
DockerManager *docker.Manager `pulumi:"dockerManager"`
ContainerName pulumi.StringOutput `pulumi:"containerName"`
}
func (h *DockerAgent) Export(ctx *pulumi.Context, out *DockerAgentOutput) error {
return components.Export(ctx, h, out)
}
func NewDockerAgent(e config.Env, vm *remoteComp.Host, manager *docker.Manager, options ...dockeragentparams.Option) (*DockerAgent, error) {
return components.NewComponent(e, vm.Name(), func(comp *DockerAgent) error {
params, err := dockeragentparams.NewParams(e, options...)
if err != nil {
return err
}
defaultAgentParams(params)
// We can have multiple compose files in compose.
composeContents := []docker.ComposeInlineManifest{dockerAgentComposeManifest(params.FullImagePath, e.AgentAPIKey(), params.AgentServiceEnvironment)}
composeContents = append(composeContents, params.ExtraComposeManifests...)
_, err = manager.ComposeStrUp("agent", composeContents, params.EnvironmentVariables, pulumi.Parent(comp))
if err != nil {
return err
}
// Fill component
comp.DockerManager = manager
comp.ContainerName = pulumi.String(agentContainerName).ToStringOutput()
return nil
})
}
func dockerAgentComposeManifest(agentImagePath string, apiKey pulumi.StringInput, envVars pulumi.Map) docker.ComposeInlineManifest {
runInPrivileged := false
for k := range envVars {
if strings.HasPrefix(k, "DD_SYSTEM_PROBE_") {
runInPrivileged = true
break
}
}
agentManifestContent := pulumi.All(apiKey, envVars).ApplyT(func(args []interface{}) (string, error) {
apiKeyResolved := args[0].(string)
envVarsResolved := args[1].(map[string]any)
agentManifest := docker.ComposeManifest{
Version: "3.9",
Services: map[string]docker.ComposeManifestService{
"agent": {
Privileged: runInPrivileged,
Image: agentImagePath,
ContainerName: agentContainerName,
Volumes: []string{
"/var/run/docker.sock:/var/run/docker.sock",
"/proc/:/host/proc",
"/sys/fs/cgroup/:/host/sys/fs/cgroup",
"/var/run/datadog:/var/run/datadog",
"/sys/kernel/tracing:/sys/kernel/tracing",
},
Environment: map[string]any{
"DD_API_KEY": apiKeyResolved,
// DD_PROCESS_CONFIG_PROCESS_COLLECTION_ENABLED is compatible with Agent 7.35+
"DD_PROCESS_CONFIG_PROCESS_COLLECTION_ENABLED": true,
},
Pid: "host",
Ports: []string{"8125:8125/udp", "8126:8126/tcp"},
},
},
}
for key, value := range envVarsResolved {
agentManifest.Services["agent"].Environment[key] = value
}
data, err := yaml.Marshal(agentManifest)
return string(data), err
}).(pulumi.StringOutput)
return docker.ComposeInlineManifest{
Name: "agent",
Content: agentManifestContent,
}
}
func defaultAgentParams(params *dockeragentparams.Params) {
if params.FullImagePath != "" {
return
}
if params.Repository == "" {
params.Repository = defaultAgentImageRepo
}
if params.ImageTag == "" {
params.ImageTag = defaultAgentImageTag
}
params.FullImagePath = utils.BuildDockerImagePath(params.Repository, params.ImageTag)
}