/
config.go
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/
config.go
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// Copyright 2018 The Cluster Monitoring Operator Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package manifests
import (
"bytes"
"io"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/yaml"
)
type Config struct {
PrometheusOperatorConfig *PrometheusOperatorConfig `json:"prometheusOperator"`
PrometheusK8sConfig *PrometheusK8sConfig `json:"prometheusK8s"`
AlertmanagerMainConfig *AlertmanagerMainConfig `json:"alertmanagerMain"`
AuthConfig *AuthConfig `json:"auth"`
NodeExporterConfig *NodeExporterConfig `json:"nodeExporter"`
KubeStateMetricsConfig *KubeStateMetricsConfig `json:"kubeStateMetrics"`
KubeRbacProxyConfig *KubeRbacProxyConfig `json:"kubeRbacProxy"`
GrafanaConfig *GrafanaConfig `json:"grafana"`
EtcdConfig *EtcdConfig `json:"etcd"`
HTTPConfig *HTTPConfig `json:"http"`
}
type HTTPConfig struct {
HTTPProxy string `json:"httpProxy"`
HTTPSProxy string `json:"httpsProxy"`
NoProxy string `json:"noProxy"`
}
type PrometheusOperatorConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
PrometheusConfigReloader string `json:"prometheusConfigReloaderBaseImage"`
PrometheusConfigReloaderTag string `json:"-"`
ConfigReloaderImage string `json:"configReloaderBaseImage"`
ConfigReloaderTag string `json:"-"`
NodeSelector map[string]string `json:"nodeSelector"`
}
type PrometheusK8sConfig struct {
Retention string `json:"retention"`
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
NodeSelector map[string]string `json:"nodeSelector"`
Resources *v1.ResourceRequirements `json:"resources"`
ExternalLabels map[string]string `json:"externalLabels"`
VolumeClaimTemplate *v1.PersistentVolumeClaim `json:"volumeClaimTemplate"`
Hostport string `json:"hostport"`
}
type AlertmanagerMainConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
NodeSelector map[string]string `json:"nodeSelector"`
Resources *v1.ResourceRequirements `json:"resources"`
VolumeClaimTemplate *v1.PersistentVolumeClaim `json:"volumeClaimTemplate"`
Hostport string `json:"hostport"`
}
type GrafanaConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
NodeSelector map[string]string `json:"nodeSelector"`
Hostport string `json:"hostport"`
}
type AuthConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
}
type NodeExporterConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
}
type KubeStateMetricsConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
NodeSelector map[string]string `json:"nodeSelector"`
}
type KubeRbacProxyConfig struct {
BaseImage string `json:"baseImage"`
Tag string `json:"-"`
}
type EtcdConfig struct {
Enabled *bool `json:"enabled"`
Targets EtcdTargets `json:"targets,omitempty"`
TLSConfig *EtcdTLSConfig `json:"tlsConfig"`
}
type EtcdTargets struct {
IPs []string `json:"ips"`
Selector map[string]string `json:"selector"`
}
type EtcdTLSConfig struct {
ServerName string `json:"serverName"`
}
func NewConfig(content io.Reader) (*Config, error) {
c := Config{}
err := yaml.NewYAMLOrJSONDecoder(content, 100).Decode(&c)
if err != nil {
return nil, err
}
res := &c
res.applyDefaults()
return res, nil
}
func (c *Config) applyDefaults() {
if c.PrometheusOperatorConfig == nil {
c.PrometheusOperatorConfig = &PrometheusOperatorConfig{}
}
if c.PrometheusOperatorConfig.BaseImage == "" {
c.PrometheusOperatorConfig.BaseImage = "quay.io/coreos/prometheus-operator"
}
if c.PrometheusOperatorConfig.PrometheusConfigReloader == "" {
c.PrometheusOperatorConfig.PrometheusConfigReloader = "quay.io/coreos/prometheus-config-reloader"
}
if c.PrometheusOperatorConfig.ConfigReloaderImage == "" {
c.PrometheusOperatorConfig.ConfigReloaderImage = "quay.io/coreos/configmap-reload"
}
if c.PrometheusK8sConfig == nil {
c.PrometheusK8sConfig = &PrometheusK8sConfig{}
}
if c.PrometheusK8sConfig.BaseImage == "" {
c.PrometheusK8sConfig.BaseImage = "quay.io/prometheus/prometheus"
}
if c.PrometheusK8sConfig.Retention == "" {
c.PrometheusK8sConfig.Retention = "15d"
}
if c.PrometheusK8sConfig.Resources == nil {
c.PrometheusK8sConfig.Resources = &v1.ResourceRequirements{}
}
if c.AlertmanagerMainConfig == nil {
c.AlertmanagerMainConfig = &AlertmanagerMainConfig{}
}
if c.AlertmanagerMainConfig.BaseImage == "" {
c.AlertmanagerMainConfig.BaseImage = "quay.io/prometheus/alertmanager"
}
if c.AlertmanagerMainConfig.Resources == nil {
c.AlertmanagerMainConfig.Resources = &v1.ResourceRequirements{}
}
if c.GrafanaConfig == nil {
c.GrafanaConfig = &GrafanaConfig{}
}
if c.GrafanaConfig.BaseImage == "" {
c.GrafanaConfig.BaseImage = "grafana/grafana"
}
if c.AuthConfig == nil {
c.AuthConfig = &AuthConfig{}
}
if c.AuthConfig.BaseImage == "" {
c.AuthConfig.BaseImage = "openshift/oauth-proxy"
}
if c.NodeExporterConfig == nil {
c.NodeExporterConfig = &NodeExporterConfig{}
}
if c.NodeExporterConfig.BaseImage == "" {
c.NodeExporterConfig.BaseImage = "quay.io/prometheus/node-exporter"
}
if c.KubeStateMetricsConfig == nil {
c.KubeStateMetricsConfig = &KubeStateMetricsConfig{}
}
if c.KubeStateMetricsConfig.BaseImage == "" {
c.KubeStateMetricsConfig.BaseImage = "quay.io/coreos/kube-state-metrics"
}
if c.KubeRbacProxyConfig == nil {
c.KubeRbacProxyConfig = &KubeRbacProxyConfig{}
}
if c.KubeRbacProxyConfig.BaseImage == "" {
c.KubeRbacProxyConfig.BaseImage = "quay.io/brancz/kube-rbac-proxy"
}
if c.HTTPConfig == nil {
c.HTTPConfig = &HTTPConfig{}
}
}
func (c *Config) SetTagOverrides(tagOverrides map[string]string) {
c.PrometheusOperatorConfig.Tag, _ = tagOverrides["prometheus-operator"]
c.PrometheusOperatorConfig.PrometheusConfigReloaderTag, _ = tagOverrides["prometheus-config-reloader"]
c.PrometheusOperatorConfig.ConfigReloaderTag, _ = tagOverrides["config-reloader"]
c.PrometheusK8sConfig.Tag, _ = tagOverrides["prometheus"]
c.AlertmanagerMainConfig.Tag, _ = tagOverrides["alertmanager"]
c.GrafanaConfig.Tag, _ = tagOverrides["grafana"]
c.AuthConfig.Tag, _ = tagOverrides["oauth-proxy"]
c.NodeExporterConfig.Tag, _ = tagOverrides["node-exporter"]
c.KubeStateMetricsConfig.Tag, _ = tagOverrides["kube-state-metrics"]
c.KubeRbacProxyConfig.Tag, _ = tagOverrides["kube-rbac-proxy"]
}
func NewConfigFromString(content string) (*Config, error) {
if content == "" {
return NewDefaultConfig(), nil
}
return NewConfig(bytes.NewBuffer([]byte(content)))
}
func NewDefaultConfig() *Config {
c := &Config{}
c.applyDefaults()
return c
}