k3s/pkg/agent/templates/templates_linux.go

//go:build linux

package templates

import (
	"text/template"
)

const ContainerdConfigTemplate = `
{{- /* */ -}}
# File generated by {{ .Program }}. DO NOT EDIT. Use config.toml.tmpl instead.
version = 2

[plugins."io.containerd.internal.v1.opt"]
  path = "{{ .NodeConfig.Containerd.Opt }}"
[plugins."io.containerd.grpc.v1.cri"]
  stream_server_address = "127.0.0.1"
  stream_server_port = "10010"
  enable_selinux = {{ .NodeConfig.SELinux }}
  enable_unprivileged_ports = {{ .EnableUnprivileged }}
  enable_unprivileged_icmp = {{ .EnableUnprivileged }}
  device_ownership_from_security_context = {{ .NonrootDevices }}

{{- if .DisableCgroup}}
  disable_cgroup = true
{{end}}
{{- if .IsRunningInUserNS }}
  disable_apparmor = true
  restrict_oom_score_adj = true
{{end}}

{{- if .NodeConfig.AgentConfig.PauseImage }}
  sandbox_image = "{{ .NodeConfig.AgentConfig.PauseImage }}"
{{end}}

{{- if .NodeConfig.AgentConfig.Snapshotter }}
[plugins."io.containerd.grpc.v1.cri".containerd]
  snapshotter = "{{ .NodeConfig.AgentConfig.Snapshotter }}"
  disable_snapshot_annotations = {{ if eq .NodeConfig.AgentConfig.Snapshotter "stargz" }}false{{else}}true{{end}}
  {{ if .NodeConfig.DefaultRuntime }}default_runtime_name = "{{ .NodeConfig.DefaultRuntime }}"{{end}}
{{ if eq .NodeConfig.AgentConfig.Snapshotter "stargz" }}
{{ if .NodeConfig.AgentConfig.ImageServiceSocket }}
[plugins."io.containerd.snapshotter.v1.stargz"]
cri_keychain_image_service_path = "{{ .NodeConfig.AgentConfig.ImageServiceSocket }}"
[plugins."io.containerd.snapshotter.v1.stargz".cri_keychain]
enable_keychain = true
{{end}}

[plugins."io.containerd.snapshotter.v1.stargz".registry]
  config_path = "{{ .NodeConfig.Containerd.Registry }}"

{{ if .PrivateRegistryConfig }}
{{range $k, $v := .PrivateRegistryConfig.Configs }}
{{ if $v.Auth }}
[plugins."io.containerd.snapshotter.v1.stargz".registry.configs."{{$k}}".auth]
  {{ if $v.Auth.Username }}username = {{ printf "%q" $v.Auth.Username }}{{end}}
  {{ if $v.Auth.Password }}password = {{ printf "%q" $v.Auth.Password }}{{end}}
  {{ if $v.Auth.Auth }}auth = {{ printf "%q" $v.Auth.Auth }}{{end}}
  {{ if $v.Auth.IdentityToken }}identitytoken = {{ printf "%q" $v.Auth.IdentityToken }}{{end}}
{{end}}
{{end}}
{{end}}
{{end}}
{{end}}

{{- if not .NodeConfig.NoFlannel }}
[plugins."io.containerd.grpc.v1.cri".cni]
  bin_dir = "{{ .NodeConfig.AgentConfig.CNIBinDir }}"
  conf_dir = "{{ .NodeConfig.AgentConfig.CNIConfDir }}"
{{end}}

{{- if or .NodeConfig.Containerd.BlockIOConfig .NodeConfig.Containerd.RDTConfig }}
[plugins."io.containerd.service.v1.tasks-service"]
  {{ if .NodeConfig.Containerd.BlockIOConfig }}blockio_config_file = "{{ .NodeConfig.Containerd.BlockIOConfig }}"{{end}}
  {{ if .NodeConfig.Containerd.RDTConfig }}rdt_config_file = "{{ .NodeConfig.Containerd.RDTConfig }}"{{end}}
{{end}}

[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
  runtime_type = "io.containerd.runc.v2"

[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
  SystemdCgroup = {{ .SystemdCgroup }}

[plugins."io.containerd.grpc.v1.cri".registry]
  config_path = "{{ .NodeConfig.Containerd.Registry }}"

{{ if .PrivateRegistryConfig }}
{{range $k, $v := .PrivateRegistryConfig.Configs }}
{{ if $v.Auth }}
[plugins."io.containerd.grpc.v1.cri".registry.configs."{{$k}}".auth]
  {{ if $v.Auth.Username }}username = {{ printf "%q" $v.Auth.Username }}{{end}}
  {{ if $v.Auth.Password }}password = {{ printf "%q" $v.Auth.Password }}{{end}}
  {{ if $v.Auth.Auth }}auth = {{ printf "%q" $v.Auth.Auth }}{{end}}
  {{ if $v.Auth.IdentityToken }}identitytoken = {{ printf "%q" $v.Auth.IdentityToken }}{{end}}
{{end}}
{{end}}
{{end}}

{{range $k, $v := .ExtraRuntimes}}
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."{{$k}}"]
  runtime_type = "{{$v.RuntimeType}}"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."{{$k}}".options]
  BinaryName = "{{$v.BinaryName}}"
  SystemdCgroup = {{ $.SystemdCgroup }}
{{end}}
`

// Linux config templates do not need fixups
var templateFuncs = template.FuncMap{
	"deschemify": func(s string) string {
		return s
	},
}