Complete rewrite of the bootstraper tool
This commit is contained in:
parent
5085bd4d69
commit
b5172da6a7
|
|
@ -14,4 +14,4 @@
|
|||
|
||||
# Dependency directories (remove the comment below to include it)
|
||||
# vendor/
|
||||
|
||||
bin/
|
||||
|
|
|
|||
6
Makefile
6
Makefile
|
|
@ -2,12 +2,14 @@ LINT_ARGS ?= ./...
|
|||
DESTDIR ?= "/usr/local"
|
||||
|
||||
bin:
|
||||
GOOS=linux go build -o bin/templater-linux cmd/templater.go
|
||||
GOOS=linux CGO_ENABLED=0 go build -o bin/templater-linux cmd/templater/main.go
|
||||
GOOS=linux CGO_ENABLED=0 go build -o bin/bootstraper-linux cmd/bootstraper/main.go
|
||||
upx bin/templater-linux
|
||||
upx bin/templaster-server
|
||||
upx bin/bootstraper-linux
|
||||
|
||||
install:
|
||||
cp bin/templater-linux $(DESTDIR)/bin/templater
|
||||
cp bin/bootstraper-linux $(DESTDIR)/bin/bootstraper
|
||||
|
||||
uninstall:
|
||||
rm $(DESTDIR)/bin/templater
|
||||
|
|
|
|||
10
api/main.go
10
api/main.go
|
|
@ -1,9 +1,6 @@
|
|||
package api
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/templater"
|
||||
"github.com/gin-gonic/gin"
|
||||
)
|
||||
|
||||
|
|
@ -13,6 +10,12 @@ type Template struct {
|
|||
Config string
|
||||
}
|
||||
|
||||
func Generate(c *gin.Context) {
|
||||
return
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
func Generate(c *gin.Context) {
|
||||
var template Template
|
||||
|
||||
|
|
@ -42,3 +45,4 @@ func Generate(c *gin.Context) {
|
|||
}
|
||||
|
||||
}
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -0,0 +1,27 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/templater"
|
||||
"github.com/alexflint/go-arg"
|
||||
)
|
||||
|
||||
func main() {
|
||||
|
||||
var args struct {
|
||||
Config string `arg:"-c,--config,env:CONFIG" help:"Configuration values file or directory path" default:"./data/config"`
|
||||
TemplateDirectory string `arg:"-t,--template-dir,env:TEMPLATE_DIR" help:"Template directory path" default:"./data/templates"`
|
||||
RootDirectory string `arg:"-r,--root-dir,env:ROOT_DIR" help:"Generate files with this root instead of /" default:"/"`
|
||||
}
|
||||
|
||||
arg.MustParse(&args)
|
||||
|
||||
var hostConfig templater.TemplaterConfig
|
||||
|
||||
err := hostConfig.New(args.Config, args.TemplateDirectory)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
if err = hostConfig.ManageServices(args.RootDirectory); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
|
@ -55,13 +55,13 @@ func main() {
|
|||
config = []byte(args.Config)
|
||||
}
|
||||
|
||||
result := ""
|
||||
if templateType == "go" {
|
||||
result = templater.ProcessGoTemplate(templateFile, config)
|
||||
} else if templateType == "hcl" {
|
||||
result = templater.ProcessHCLTemplate(templateFile, config)
|
||||
} else {
|
||||
panic(fmt.Errorf("Unsupported template type"))
|
||||
var file templater.ConfigFile
|
||||
file.Source = templateFile
|
||||
file.TemplateType = templateType
|
||||
|
||||
result, err := file.ProcessTemplate(templateFile, config)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
if output == "stdout" {
|
||||
fmt.Printf("%s", result)
|
||||
|
|
@ -0,0 +1,127 @@
|
|||
LokiStack = {
|
||||
Name: "LokiStack"
|
||||
Global: {
|
||||
Vars: {}
|
||||
ConfigFiles: [
|
||||
{
|
||||
destination: /etc/hosts
|
||||
source: hosts.pktpl.hcl
|
||||
mode: 600
|
||||
owner: root
|
||||
group: root
|
||||
}
|
||||
]
|
||||
}
|
||||
Services: {
|
||||
Loki: {
|
||||
ConfigFiles: [
|
||||
{
|
||||
destination: /etc/loki/loki-local-config.yaml
|
||||
source: loki-local-config.pktpl.hcl
|
||||
mode: 600
|
||||
owner: loki
|
||||
service: loki
|
||||
group: grafana
|
||||
}
|
||||
]
|
||||
Repositories: {
|
||||
Grafana: {
|
||||
type: helm
|
||||
name: grafana
|
||||
url: https://grafana.github.io/helm-charts
|
||||
enabled:true
|
||||
}
|
||||
AlpineTesting: {
|
||||
type: apk
|
||||
name: testing
|
||||
url: http://mirrors.bfsu.edu.cn/alpine/edge/testing
|
||||
enabled: true
|
||||
}
|
||||
}
|
||||
Packages: {
|
||||
loki: {
|
||||
name: loki
|
||||
action: install
|
||||
}
|
||||
promtail: {
|
||||
name: loki-promtail
|
||||
action: install
|
||||
}
|
||||
loki-helm: {
|
||||
type: helm
|
||||
name: loki
|
||||
repo: grafana/loki-simple-scalable
|
||||
}
|
||||
}
|
||||
Vars: {
|
||||
AuthEnabled: false
|
||||
User: loki
|
||||
Group: grafana
|
||||
HTTPPort: 3100
|
||||
GRPCPort: 9096
|
||||
AlertManagerURL: http://localhost:9093
|
||||
StorageRoot: /var/loki
|
||||
SharedStore: filesystem
|
||||
ObjectStore: filesystem
|
||||
LogLevel: error
|
||||
S3: {
|
||||
URL:
|
||||
BucketName:
|
||||
APIKey:
|
||||
APISecretKey:
|
||||
}
|
||||
}
|
||||
Daemons: {
|
||||
Loki: {
|
||||
name: loki
|
||||
enabled: true
|
||||
}
|
||||
}
|
||||
Users: {
|
||||
loki: {
|
||||
username: loki
|
||||
group: grafana
|
||||
home : /srv/loki
|
||||
shell: /bin/nologin
|
||||
}
|
||||
}
|
||||
}
|
||||
Grafana: {
|
||||
ConfigFiles: [
|
||||
{
|
||||
destination: /etc/grafana.ini
|
||||
source: grafana.ini.pktpl.hcl
|
||||
mode: 700
|
||||
owner: grafana
|
||||
group: grafana
|
||||
}
|
||||
]
|
||||
Packages: {
|
||||
grafana: {
|
||||
name: grafana
|
||||
action: install
|
||||
}
|
||||
}
|
||||
Vars: {
|
||||
AuthEnabled: false
|
||||
User: toto
|
||||
Group: grafana
|
||||
}
|
||||
Users: {
|
||||
grafana: {
|
||||
username: grafana
|
||||
group: grafana
|
||||
home: /srv/grafana
|
||||
shell: /bin/nologin
|
||||
}
|
||||
}
|
||||
Daemons: {
|
||||
grafana: {
|
||||
name: grafana
|
||||
type: auto
|
||||
enabled: true
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,127 @@
|
|||
{
|
||||
"Name": "LokiStack",
|
||||
"Global": {
|
||||
"Vars": {},
|
||||
"ConfigFiles": [
|
||||
{
|
||||
"destination": "/etc/hosts",
|
||||
"source": "hosts.pktpl.hcl",
|
||||
"mode": "600",
|
||||
"owner": "root",
|
||||
"group": "root"
|
||||
}
|
||||
]
|
||||
},
|
||||
"Services": {
|
||||
"Loki": {
|
||||
"ConfigFiles": [
|
||||
{
|
||||
"destination": "/etc/loki/loki-local-config.yaml",
|
||||
"source": "loki-local-config.pktpl.hcl",
|
||||
"mode": "600",
|
||||
"owner": "loki",
|
||||
"service": "loki",
|
||||
"group": "grafana"
|
||||
}
|
||||
],
|
||||
"Repositories": {
|
||||
"Grafana": {
|
||||
"type": "helm",
|
||||
"name": "grafana",
|
||||
"url": "https://grafana.github.io/helm-charts",
|
||||
"enabled":true
|
||||
},
|
||||
"AlpineTesting": {
|
||||
"type": "apk",
|
||||
"name": "testing",
|
||||
"url": "http://mirrors.bfsu.edu.cn/alpine/edge/testing",
|
||||
"enabled": true
|
||||
}
|
||||
},
|
||||
"Packages": {
|
||||
"loki": {
|
||||
"name": "loki",
|
||||
"action": "install"
|
||||
},
|
||||
"promtail": {
|
||||
"name": "loki-promtail",
|
||||
"action": "install"
|
||||
},
|
||||
"loki-helm": {
|
||||
"type": "helm",
|
||||
"name": "loki",
|
||||
"repo": "grafana/loki-simple-scalable"
|
||||
}
|
||||
},
|
||||
"Vars": {
|
||||
"AuthEnabled": false,
|
||||
"User": "loki",
|
||||
"Group": "grafana",
|
||||
"HTTPPort": "3100",
|
||||
"GRPCPort": "9096",
|
||||
"AlertManagerURL": "http://localhost:9093",
|
||||
"StorageRoot": "/var/loki",
|
||||
"SharedStore": "filesystem",
|
||||
"ObjectStore": "filesystem",
|
||||
"LogLevel": "error",
|
||||
"S3": {
|
||||
"URL": "",
|
||||
"BucketName": "",
|
||||
"APIKey": "",
|
||||
"APISecretKey": ""
|
||||
}
|
||||
},
|
||||
"Daemons": {
|
||||
"Loki": {
|
||||
"name": "loki",
|
||||
"enabled": true
|
||||
}
|
||||
},
|
||||
"Users": {
|
||||
"loki": {
|
||||
"username": "loki",
|
||||
"group": "grafana",
|
||||
"home" : "/srv/loki",
|
||||
"shell": "/bin/nologin"
|
||||
}
|
||||
}
|
||||
},
|
||||
"Grafana": {
|
||||
"ConfigFiles": [
|
||||
{
|
||||
"destination": "/etc/grafana.ini",
|
||||
"source": "grafana.ini.pktpl.hcl",
|
||||
"mode": "700",
|
||||
"owner": "grafana",
|
||||
"group": "grafana"
|
||||
}
|
||||
],
|
||||
"Packages": {
|
||||
"grafana": {
|
||||
"name": "grafana",
|
||||
"action": "install"
|
||||
}
|
||||
},
|
||||
"Vars": {
|
||||
"AuthEnabled": false,
|
||||
"User": "toto",
|
||||
"Group": "grafana"
|
||||
},
|
||||
"Users": {
|
||||
"grafana": {
|
||||
"username": "grafana",
|
||||
"group": "grafana",
|
||||
"home": "/srv/grafana",
|
||||
"shell": "/bin/nologin"
|
||||
}
|
||||
},
|
||||
"Daemons": {
|
||||
"grafana": {
|
||||
"name": "grafana",
|
||||
"type": "auto",
|
||||
"enabled": true
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,26 +0,0 @@
|
|||
{
|
||||
"Name": "loki",
|
||||
"ConfigFiles": [
|
||||
{
|
||||
"destination": "/etc/loki/loki-local-config.yaml",
|
||||
"source": "loki-local-config.pktpl.hcl",
|
||||
"mod": "600"
|
||||
}
|
||||
],
|
||||
"AuthEnabled": false,
|
||||
"User": "loki",
|
||||
"Group": "grafana",
|
||||
"HTTPPort": "3100",
|
||||
"GRPCPort": "9096",
|
||||
"AlertManagerURL": "http://localhost:9093",
|
||||
"StorageRoot": "/var/loki",
|
||||
"SharedStore": "filesystem",
|
||||
"ObjectStore": "filesystem",
|
||||
"LogLevel": "error",
|
||||
"S3": {
|
||||
"URL": "",
|
||||
"BucketName": "",
|
||||
"APIKey": "",
|
||||
"APISecretKey": ""
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
%{ if Vars.AuthEnabled ~}
|
||||
auth_enabled: true
|
||||
%{ else }
|
||||
auth_enabled: false
|
||||
%{ endif }
|
||||
|
|
@ -1,18 +1,18 @@
|
|||
%{ if AuthEnabled ~}
|
||||
%{ if Vars.AuthEnabled ~}
|
||||
auth_enabled: true
|
||||
%{ else }
|
||||
auth_enabled: false
|
||||
%{ endif }
|
||||
|
||||
server:
|
||||
http_listen_port: ${HTTPPort}
|
||||
grpc_listen_port: ${GRPCPort}
|
||||
log_level: ${LogLevel}
|
||||
http_listen_port: ${Vars.HTTPPort}
|
||||
grpc_listen_port: ${Vars.GRPCPort}
|
||||
log_level: ${Vars.LogLevel}
|
||||
|
||||
ingester:
|
||||
wal:
|
||||
enabled: true
|
||||
dir: ${StorageRoot}/wal
|
||||
dir: ${Vars.StorageRoot}/wal
|
||||
flush_on_shutdown: true
|
||||
lifecycler:
|
||||
address: 127.0.0.1
|
||||
|
|
@ -23,7 +23,7 @@ ingester:
|
|||
final_sleep: 0s
|
||||
chunk_idle_period: 1h # Any chunk not receiving new logs in this time will be flushed
|
||||
max_chunk_age: 1h # All chunks will be flushed when they hit this age, default is 1h
|
||||
chunk_target_size: 1048576 # Loki will attempt to build chunks up to 1.5MB, flushing first if chunk_idle_period or max_chunk_age is reached first
|
||||
chunk_target_size: 1048576 # Vars. will attempt to build chunks up to 1.5MB, flushing first if chunk_idle_period or max_chunk_age is reached first
|
||||
chunk_retain_period: 30s # Must be greater than index read cache TTL if using an index cache (Default index read cache TTL is 5m)
|
||||
max_transfer_retries: 0 # Chunk transfers disabled
|
||||
|
||||
|
|
@ -31,31 +31,31 @@ schema_config:
|
|||
configs:
|
||||
- from: 2020-05-15
|
||||
store: boltdb-shipper
|
||||
object_store: ${ObjectStore}
|
||||
object_store: ${Vars.ObjectStore}
|
||||
schema: v11
|
||||
index:
|
||||
prefix: index_
|
||||
period: 24h
|
||||
|
||||
storage_config:
|
||||
boltdb_shipper:
|
||||
active_index_directory: ${StorageRoot}/index
|
||||
shared_store: ${SharedStore}
|
||||
cache_location: ${StorageRoot}/cache
|
||||
cache_ttl: 168h
|
||||
boltdb_shipper:
|
||||
active_index_directory: ${Vars.StorageRoot}/index
|
||||
shared_store: ${Vars.SharedStore}
|
||||
cache_location: ${Vars.StorageRoot}/cache
|
||||
cache_ttl: 168h
|
||||
|
||||
%{ if ObjectStore == "filesystem" ~}
|
||||
%{ if Vars.ObjectStore == "filesystem" ~}
|
||||
filesystem:
|
||||
directory: ${StorageRoot}/chunks
|
||||
directory: ${Vars.StorageRoot}/chunks
|
||||
%{ else }
|
||||
aws:
|
||||
s3: s3://${S3.APIKey}:${S3.APISecretKey}@${S3.URL}/${S3.BucketName}
|
||||
s3: s3://${Vars.S3.APIKey}:${Vars.S3.APISecretKey}@${Vars.S3.URL}/${Vars.S3.BucketName}
|
||||
s3forcepathstyle: true
|
||||
%{ endif }
|
||||
|
||||
compactor:
|
||||
shared_store: ${SharedStore}
|
||||
working_directory: ${StorageRoot}/compactor
|
||||
shared_store: ${Vars.SharedStore}
|
||||
working_directory: ${Vars.StorageRoot}/compactor
|
||||
compaction_interval: 10m
|
||||
|
||||
limits_config:
|
||||
|
|
@ -73,9 +73,9 @@ ruler:
|
|||
storage:
|
||||
type: local
|
||||
local:
|
||||
directory: ${StorageRoot}/rules
|
||||
rule_path: ${StorageRoot}/rules
|
||||
alertmanager_url: ${AlertManagerURL}
|
||||
directory: ${Vars.StorageRoot}/rules
|
||||
rule_path: ${Vars.StorageRoot}/rules
|
||||
alertmanager_url: ${Vars.AlertManagerURL}
|
||||
ring:
|
||||
kvstore:
|
||||
store: inmemory
|
||||
|
|
|
|||
|
|
@ -1,18 +1,18 @@
|
|||
{{ if .AuthEnabled }}
|
||||
{{ if .Vars.AuthEnabled }}
|
||||
auth_enabled: true
|
||||
{{ else }}
|
||||
auth_enabled: false
|
||||
{{ end }}
|
||||
|
||||
server:
|
||||
http_listen_port: {{ .HTTPPort }}
|
||||
grpc_listen_port: {{ .GRPCPort }}
|
||||
http_listen_port: {{ .Vars.HTTPPort }}
|
||||
grpc_listen_port: {{ .Vars.GRPCPort }}
|
||||
log_level: {{ .LogLevel }}
|
||||
|
||||
ingester:
|
||||
wal:
|
||||
enabled: true
|
||||
dir: {{ .StorageRoot }}/wal
|
||||
dir: {{ .Vars.StorageRoot }}/wal
|
||||
flush_on_shutdown: true
|
||||
lifecycler:
|
||||
address: 127.0.0.1
|
||||
|
|
@ -31,7 +31,7 @@ schema_config:
|
|||
configs:
|
||||
- from: 2020-05-15
|
||||
store: boltdb-shipper
|
||||
object_store: {{ .ObjectStore }}
|
||||
object_store: {{ .Vars.ObjectStore }}
|
||||
schema: v11
|
||||
index:
|
||||
prefix: index_
|
||||
|
|
@ -39,23 +39,23 @@ schema_config:
|
|||
|
||||
storage_config:
|
||||
boltdb_shipper:
|
||||
active_index_directory: {{ .StorageRoot }}/index
|
||||
shared_store: {{ .SharedStore }}
|
||||
cache_location: {{ .StorageRoot }}/cache
|
||||
active_index_directory: {{ .Vars.StorageRoot }}/index
|
||||
shared_store: {{ .Vars.SharedStore }}
|
||||
cache_location: {{ .Vars.StorageRoot }}/cache
|
||||
cache_ttl: 168h
|
||||
|
||||
{{ if eq (.ObjectStore) ("filesystem") }}
|
||||
filesystem:
|
||||
directory: {{ .StorageRoot }}/chunks
|
||||
directory: {{ .Vars.StorageRoot }}/chunks
|
||||
{{ else }}
|
||||
aws:
|
||||
s3: s3://{{ .S3.APIKey }}:{{ .S3.APISecretKey}}@{{ .S3.URL}}/{{ .S3.BucketName}}
|
||||
s3: s3://{{ .Vars.S3.APIKey }}:{{ .Vars.S3.APISecretKey}}@{{ .S3.URL}}/{{ .S3.BucketName}}
|
||||
s3forcepathstyle: true
|
||||
{{ end }}
|
||||
|
||||
compactor:
|
||||
shared_store: {{ .SharedStore }}
|
||||
working_directory: {{ .StorageRoot }}/compactor
|
||||
shared_store: {{ .Vars.SharedStore }}
|
||||
working_directory: {{ .Vars.StorageRoot }}/compactor
|
||||
compaction_interval: 10m
|
||||
|
||||
limits_config:
|
||||
|
|
@ -73,9 +73,9 @@ ruler:
|
|||
storage:
|
||||
type: local
|
||||
local:
|
||||
directory: {{ .StorageRoot }}/rules
|
||||
rule_path: {{ .StorageRoot }}/rules
|
||||
alertmanager_url: {{ .AlertManagerURL }}
|
||||
directory: {{ .Vars.StorageRoot }}/rules
|
||||
rule_path: {{ .Vars.StorageRoot }}/rules
|
||||
alertmanager_url: {{ .Vars.AlertManagerURL }}
|
||||
ring:
|
||||
kvstore:
|
||||
store: inmemory
|
||||
|
|
|
|||
|
|
@ -0,0 +1,38 @@
|
|||
module forge.cadoles.com/pcaseiro/templatefile
|
||||
|
||||
go 1.18
|
||||
|
||||
require (
|
||||
github.com/alexflint/go-arg v1.4.3
|
||||
github.com/gin-gonic/gin v1.8.1
|
||||
github.com/hashicorp/hcl/v2 v2.11.1
|
||||
github.com/imdario/mergo v0.3.13
|
||||
github.com/zclconf/go-cty v1.10.0
|
||||
gopkg.in/ini.v1 v1.66.6
|
||||
)
|
||||
|
||||
require (
|
||||
github.com/agext/levenshtein v1.2.1 // indirect
|
||||
github.com/alexflint/go-scalar v1.1.0 // indirect
|
||||
github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
|
||||
github.com/gin-contrib/sse v0.1.0 // indirect
|
||||
github.com/go-playground/locales v0.14.0 // indirect
|
||||
github.com/go-playground/universal-translator v0.18.0 // indirect
|
||||
github.com/go-playground/validator/v10 v10.10.0 // indirect
|
||||
github.com/goccy/go-json v0.9.7 // indirect
|
||||
github.com/google/go-cmp v0.5.8 // indirect
|
||||
github.com/json-iterator/go v1.1.12 // indirect
|
||||
github.com/leodido/go-urn v1.2.1 // indirect
|
||||
github.com/mattn/go-isatty v0.0.14 // indirect
|
||||
github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 // indirect
|
||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
|
||||
github.com/modern-go/reflect2 v1.0.2 // indirect
|
||||
github.com/pelletier/go-toml/v2 v2.0.1 // indirect
|
||||
github.com/ugorji/go/codec v1.2.7 // indirect
|
||||
golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
|
||||
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
|
||||
golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
|
||||
golang.org/x/text v0.3.6 // indirect
|
||||
google.golang.org/protobuf v1.28.0 // indirect
|
||||
gopkg.in/yaml.v2 v2.4.0 // indirect
|
||||
)
|
||||
|
|
@ -0,0 +1,153 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"log"
|
||||
"path/filepath"
|
||||
"strconv"
|
||||
|
||||
"bytes"
|
||||
encjson "encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"text/template"
|
||||
|
||||
"github.com/hashicorp/hcl/v2"
|
||||
"github.com/hashicorp/hcl/v2/hclsyntax"
|
||||
"github.com/zclconf/go-cty/cty"
|
||||
ctyjson "github.com/zclconf/go-cty/cty/json"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
)
|
||||
|
||||
type ConfigFile struct {
|
||||
Destination string `form:"destination" json:"destination"` // Where do we write the configuration file
|
||||
Source string `form:"source" json:"source"` // The template file short name
|
||||
TemplateType string `json:"type"` // The template file type (hcl or gotemplate)
|
||||
Mode string `form:"mod" json:"mode"` // The configuration file final permissions (mode)
|
||||
Owner string `json:"owner"` // The configuration file owner
|
||||
Service string `json:"service"` // Service to restart after configuration generation
|
||||
Group string `json:"group"` // The configuration file group owner
|
||||
}
|
||||
|
||||
// Generate the configuration file from the template (hcl or json)
|
||||
func (cf *ConfigFile) Generate(root string, templateDir string, values []byte) error {
|
||||
var template string
|
||||
dest := filepath.Join(root, cf.Destination)
|
||||
source := filepath.Join(templateDir, cf.Source)
|
||||
intMod, err := strconv.ParseInt(cf.Mode, 8, 64)
|
||||
if err != nil {
|
||||
return (err)
|
||||
}
|
||||
|
||||
template, err = cf.ProcessTemplate(source, values)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Process templates failed with error: %v", err)
|
||||
}
|
||||
dirname := filepath.Dir(dest)
|
||||
err = os.MkdirAll(dirname, os.FileMode(int(0700)))
|
||||
if err != nil {
|
||||
return fmt.Errorf("Process templates failed with error: %v", err)
|
||||
}
|
||||
err = os.WriteFile(dest, []byte(template), os.FileMode(intMod))
|
||||
if err != nil {
|
||||
return fmt.Errorf("Process templates failed with error: %v", err)
|
||||
}
|
||||
log.Printf("\tFile %s generated\n", dest)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Process the template with the provided values
|
||||
func (cf *ConfigFile) ProcessTemplate(source string, values []byte) (string, error) {
|
||||
var result string
|
||||
var err error
|
||||
|
||||
if cf.TemplateType == "hcl" {
|
||||
// The template is an hcl template so we call processHCLTemplate
|
||||
result, err = cf.processHCLTemplate(source, values)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("Process HCL template failed with error: %v", err)
|
||||
}
|
||||
} else if cf.TemplateType == "go" {
|
||||
// The template is a go template so we call processGoTemplate
|
||||
result, err = cf.processGoTemplate(source, values)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("Process GO template failed with error: %v", err)
|
||||
}
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
|
||||
// The actual template processing for Go templates
|
||||
func (cf *ConfigFile) processGoTemplate(file string, configValues []byte) (string, error) {
|
||||
|
||||
// The JSON configuration
|
||||
var confData map[string]interface{}
|
||||
var res bytes.Buffer
|
||||
|
||||
err := encjson.Unmarshal(configValues, &confData)
|
||||
utils.CheckErr(err)
|
||||
|
||||
// Read the template
|
||||
data, err := os.ReadFile(file)
|
||||
utils.CheckErr(err)
|
||||
|
||||
tpl, err := template.New("conf").Parse(string(data))
|
||||
utils.CheckErr(err)
|
||||
|
||||
utils.CheckErr(tpl.Execute(&res, confData["Config"]))
|
||||
|
||||
return res.String(), nil
|
||||
}
|
||||
|
||||
// The actual template processing for HCL templates
|
||||
func (cf *ConfigFile) processHCLTemplate(file string, config []byte) (string, error) {
|
||||
|
||||
fct, err := os.ReadFile(file)
|
||||
utils.CheckErr(err)
|
||||
|
||||
expr, diags := hclsyntax.ParseTemplate(fct, file, hcl.Pos{Line: 0, Column: 1})
|
||||
utils.CheckDiags(diags)
|
||||
|
||||
// Retrieve values from JSON
|
||||
var varsVal cty.Value
|
||||
ctyType, err := ctyjson.ImpliedType(config)
|
||||
if err != nil {
|
||||
return "", err
|
||||
/* Maybe one day
|
||||
cexpr, diags := hclsyntax.ParseExpression(config, "", hcl.Pos{Line: 0, Column: 1})
|
||||
if diags.HasErrors() {
|
||||
panic(diags.Error())
|
||||
}
|
||||
varsVal, diags = cexpr.Value(&hcl.EvalContext{})
|
||||
fmt.Println(cexpr.Variables())
|
||||
checkDiags(diags)
|
||||
*/
|
||||
} else {
|
||||
varsVal, err = ctyjson.Unmarshal(config, ctyType)
|
||||
utils.CheckErr(err)
|
||||
}
|
||||
|
||||
ctx := &hcl.EvalContext{
|
||||
Variables: varsVal.AsValueMap(),
|
||||
}
|
||||
|
||||
for n := range ctx.Variables {
|
||||
if !hclsyntax.ValidIdentifier(n) {
|
||||
return "", fmt.Errorf("invalid template variable name %q: must start with a letter, followed by zero or more letters, digits, and underscores", n)
|
||||
}
|
||||
}
|
||||
|
||||
for _, traversal := range expr.Variables() {
|
||||
root := traversal.RootName()
|
||||
if _, ok := ctx.Variables[root]; !ok {
|
||||
return "", fmt.Errorf("vars map does not contain key %q, referenced at %s", root, traversal[0].SourceRange())
|
||||
}
|
||||
}
|
||||
|
||||
val, diags := expr.Value(ctx)
|
||||
if diags.HasErrors() {
|
||||
return "", diags
|
||||
}
|
||||
|
||||
return val.AsString(), nil
|
||||
}
|
||||
|
|
@ -1,89 +1,88 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
encjson "encoding/json"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"os"
|
||||
"text/template"
|
||||
|
||||
"github.com/hashicorp/hcl/v2"
|
||||
"github.com/hashicorp/hcl/v2/hclsyntax"
|
||||
"github.com/zclconf/go-cty/cty"
|
||||
ctyjson "github.com/zclconf/go-cty/cty/json"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
"github.com/imdario/mergo"
|
||||
)
|
||||
|
||||
func ProcessGoTemplate(file string, config []byte) string {
|
||||
var CacheFilePath = "/var/cache/templater.db"
|
||||
|
||||
// The JSON configuration
|
||||
var confData map[string]interface{}
|
||||
var res bytes.Buffer
|
||||
|
||||
err := encjson.Unmarshal(config, &confData)
|
||||
utils.CheckErr(err)
|
||||
|
||||
// Read the template
|
||||
data, err := os.ReadFile(file)
|
||||
utils.CheckErr(err)
|
||||
|
||||
tpl, err := template.New("conf").Parse(string(data))
|
||||
utils.CheckErr(err)
|
||||
|
||||
utils.CheckErr(tpl.Execute(&res, confData))
|
||||
|
||||
return res.String()
|
||||
type TemplaterConfig struct {
|
||||
Name string `json:"Name"`
|
||||
TemplateDirectory string `json:"TemplateDirectory"`
|
||||
Services map[string]Service `json:"Services"`
|
||||
GlobalService Service `json:"Global"`
|
||||
}
|
||||
|
||||
func ProcessHCLTemplate(file string, config []byte) string {
|
||||
|
||||
fct, err := os.ReadFile(file)
|
||||
utils.CheckErr(err)
|
||||
|
||||
expr, diags := hclsyntax.ParseTemplate(fct, file, hcl.Pos{Line: 0, Column: 1})
|
||||
utils.CheckDiags(diags)
|
||||
|
||||
// Retrieve values from JSON
|
||||
var varsVal cty.Value
|
||||
ctyType, err := ctyjson.ImpliedType(config)
|
||||
func (tc *TemplaterConfig) loadCache() error {
|
||||
// Load globals from cache
|
||||
var cache Service
|
||||
err := Load(CacheFilePath, &cache)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
/* Maybe one day
|
||||
cexpr, diags := hclsyntax.ParseExpression(config, "", hcl.Pos{Line: 0, Column: 1})
|
||||
if diags.HasErrors() {
|
||||
panic(diags.Error())
|
||||
}
|
||||
varsVal, diags = cexpr.Value(&hcl.EvalContext{})
|
||||
fmt.Println(cexpr.Variables())
|
||||
checkDiags(diags)
|
||||
*/
|
||||
} else {
|
||||
varsVal, err = ctyjson.Unmarshal(config, ctyType)
|
||||
utils.CheckErr(err)
|
||||
fmt.Printf("Warning: No globals to load\n")
|
||||
}
|
||||
|
||||
ctx := &hcl.EvalContext{
|
||||
Variables: varsVal.AsValueMap(),
|
||||
err = mergo.Merge(&tc.GlobalService, cache)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
for n := range ctx.Variables {
|
||||
if !hclsyntax.ValidIdentifier(n) {
|
||||
panic(fmt.Errorf("invalid template variable name %q: must start with a letter, followed by zero or more letters, digits, and underscores", n))
|
||||
}
|
||||
}
|
||||
|
||||
for _, traversal := range expr.Variables() {
|
||||
root := traversal.RootName()
|
||||
if _, ok := ctx.Variables[root]; !ok {
|
||||
panic(fmt.Errorf("vars map does not contain key %q, referenced at %s", root, traversal[0].SourceRange()))
|
||||
}
|
||||
}
|
||||
|
||||
val, diags := expr.Value(ctx)
|
||||
if diags.HasErrors() {
|
||||
panic(diags.Error())
|
||||
}
|
||||
|
||||
return val.AsString()
|
||||
return nil
|
||||
}
|
||||
|
||||
func (tc *TemplaterConfig) New(confpath string, templateDir string) error {
|
||||
// Load stored globals if needed
|
||||
lerr := tc.loadCache()
|
||||
if lerr != nil {
|
||||
return lerr
|
||||
}
|
||||
// Check if the configuration path is a Directory or a file
|
||||
fileInfo, err := os.Stat(confpath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if fileInfo.IsDir() {
|
||||
// The conf path is a directory we load all the files and merge data
|
||||
files, err := ioutil.ReadDir(confpath)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Templater configuration load failed with error: %v", err)
|
||||
}
|
||||
for _, file := range files {
|
||||
fname := fmt.Sprintf("%s/%s", confpath, file.Name())
|
||||
var ntc TemplaterConfig
|
||||
err := Load(fname, &ntc)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Templater configuration load failed with error: %v", err)
|
||||
}
|
||||
err = mergo.Merge(tc, ntc)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Templater configuration load failed with error: %v", err)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// The conf path is a file we only load this file (of course)
|
||||
err = Load(confpath, tc)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Confiuration read failed with error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
tc.TemplateDirectory = templateDir
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (tc *TemplaterConfig) ManageServices(rootDir string) error {
|
||||
for name, svr := range tc.Services {
|
||||
log.Printf("*** Working on service %s", name)
|
||||
if err := svr.Manage(tc.TemplateDirectory, rootDir); err != nil {
|
||||
return err
|
||||
}
|
||||
log.Printf("*** Service %s processed", name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,74 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"log"
|
||||
"runtime"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
)
|
||||
|
||||
type SystemPackage struct {
|
||||
Name string `json:"name"`
|
||||
Type string `json:"type"`
|
||||
Action string `json:"action"`
|
||||
OS string `json:"os"`
|
||||
Distribution string `json:"distribution"`
|
||||
}
|
||||
|
||||
func (p *SystemPackage) SetDistribution() error {
|
||||
OSConfig, err := utils.ReadOSRelease()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
p.Distribution = OSConfig["ID_LIKE"]
|
||||
return nil
|
||||
}
|
||||
func (p *SystemPackage) SetOS() error {
|
||||
p.OS = runtime.GOOS
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *SystemPackage) Manage() error {
|
||||
var pkErr error
|
||||
var stdErr []byte
|
||||
|
||||
if p.OS == "" {
|
||||
if err := p.SetOS(); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if p.Distribution == "" {
|
||||
if err := p.SetDistribution(); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
log.Printf("\tInstalling %s package\n", p.Name)
|
||||
switch os := p.Distribution; os {
|
||||
case "debian", "ubuntu":
|
||||
_, stdErr, pkErr = utils.RunSystemCommand("apt", "install", "-y", p.Name)
|
||||
case "alpine":
|
||||
_, stdErr, pkErr = utils.RunSystemCommand("apk", "add", p.Name)
|
||||
case "redhat":
|
||||
_, stdErr, pkErr = utils.RunSystemCommand("yum", "install", "-y", p.Name)
|
||||
case "arch":
|
||||
_, stdErr, pkErr = utils.RunSystemCommand("pacman", "-Suy", p.Name)
|
||||
default:
|
||||
pkErr = fmt.Errorf("Unsupported OS %s [%s]", p.OS, stdErr)
|
||||
}
|
||||
|
||||
if pkErr != nil {
|
||||
var msg string
|
||||
if len(stdErr) != 0 {
|
||||
msg = string(stdErr)
|
||||
} else {
|
||||
msg = pkErr.Error()
|
||||
}
|
||||
return fmt.Errorf("Package %s, os %s, failed with error: %v", p.Name, p.OS, msg)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var lock sync.Mutex
|
||||
|
||||
func marshal(v interface{}) (io.Reader, error) {
|
||||
b, err := json.MarshalIndent(v, "", "\t")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return bytes.NewReader(b), nil
|
||||
}
|
||||
|
||||
func unmarshal(r io.Reader, v interface{}) error {
|
||||
return json.NewDecoder(r).Decode(v)
|
||||
}
|
||||
|
||||
func Save(path string, v interface{}) error {
|
||||
lock.Lock()
|
||||
defer lock.Unlock()
|
||||
f, err := os.Create(path)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Saving Templater configuration failed with error : %v", err)
|
||||
}
|
||||
defer f.Close()
|
||||
r, err := marshal(v)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = io.Copy(f, r)
|
||||
return err
|
||||
}
|
||||
|
||||
func Load(path string, v interface{}) error {
|
||||
lock.Lock()
|
||||
defer lock.Unlock()
|
||||
f, err := os.Open(path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
return unmarshal(f, v)
|
||||
}
|
||||
|
|
@ -0,0 +1,102 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"os"
|
||||
"strings"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
)
|
||||
|
||||
var APKConfigFile = "/etc/apk/repositories"
|
||||
|
||||
type APKRepository struct {
|
||||
Repository
|
||||
}
|
||||
|
||||
func (hr *APKRepository) urlIsPresent() (bool, error) {
|
||||
f, err := os.Open(APKConfigFile)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
// Splits on newlines by default.
|
||||
scanner := bufio.NewScanner(f)
|
||||
|
||||
line := 1
|
||||
for scanner.Scan() {
|
||||
if strings.Contains(scanner.Text(), hr.URL) {
|
||||
log.Printf("\tRepository %s already present\n", hr.Name)
|
||||
return true, nil
|
||||
}
|
||||
line++
|
||||
}
|
||||
|
||||
if err := scanner.Err(); err != nil {
|
||||
return false, err
|
||||
}
|
||||
return false, nil
|
||||
|
||||
}
|
||||
|
||||
func (hr *APKRepository) Add() error {
|
||||
|
||||
URLIsPresent, err := hr.urlIsPresent()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if URLIsPresent {
|
||||
return nil
|
||||
} else {
|
||||
data := fmt.Sprintf("%s\n", hr.URL)
|
||||
file, err := os.OpenFile(APKConfigFile, os.O_APPEND|os.O_WRONLY, 0644)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer file.Close()
|
||||
if _, err := file.WriteString(data); err != nil {
|
||||
return err
|
||||
} else {
|
||||
log.Printf("Repository %s added\n", hr.Name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func (hr *APKRepository) Update() error {
|
||||
if _, stdErr, err := utils.RunSystemCommand("apk", "update"); err != nil {
|
||||
return fmt.Errorf("%s [%s]", stdErr, err)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// FIXME
|
||||
func (hr *APKRepository) Delete() error {
|
||||
fileBytes, err := ioutil.ReadFile("/etc/apk/repositories")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
lines := strings.Split(string(fileBytes), "\n")
|
||||
for _, line := range lines {
|
||||
fmt.Printf("DEBUG TODO %s", line)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hr *APKRepository) Manage() error {
|
||||
if hr.Enabled {
|
||||
if err := hr.Add(); err != nil {
|
||||
return err
|
||||
}
|
||||
log.Println("\tUpdating apk repositories")
|
||||
return hr.Update()
|
||||
} else {
|
||||
return hr.Delete()
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
)
|
||||
|
||||
type DebRepository struct {
|
||||
Repository
|
||||
}
|
||||
|
||||
func (hr *DebRepository) Add() error {
|
||||
//deb http://fr.archive.ubuntu.com/ubuntu/ focal main restricted
|
||||
|
||||
data := fmt.Sprintf("deb %s", hr.URL)
|
||||
if err := os.WriteFile("/etc/apt/source.list.d", []byte(data), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hr *DebRepository) Update() error {
|
||||
if _, stdErr, err := utils.RunSystemCommand("apt", "update", "-y"); err != nil {
|
||||
return fmt.Errorf("%s [%s]", stdErr, err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hr *DebRepository) Delete() error {
|
||||
//TODO
|
||||
return nil
|
||||
}
|
||||
func (hr *DebRepository) Manage() error {
|
||||
if hr.Enabled {
|
||||
return hr.Add()
|
||||
} else {
|
||||
return hr.Delete()
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
package templater
|
||||
|
||||
type HelmRepository struct {
|
||||
Repository
|
||||
}
|
||||
|
||||
func (hr *HelmRepository) Add() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hr *HelmRepository) Update() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hr *HelmRepository) Delete() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hr *HelmRepository) Manage() error {
|
||||
if hr.Enabled {
|
||||
return hr.Add()
|
||||
} else {
|
||||
return hr.Delete()
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
package templater
|
||||
|
||||
type PackageRepository interface {
|
||||
Manage() error
|
||||
Update() error
|
||||
Add() error
|
||||
Delete() error
|
||||
}
|
||||
|
||||
type Repository struct {
|
||||
Actions PackageRepository
|
||||
|
||||
Name string `json:"name"`
|
||||
Type string `json:"type"`
|
||||
URL string `json:"url"`
|
||||
Enabled bool `json:"enabled"`
|
||||
}
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"log"
|
||||
"path/filepath"
|
||||
)
|
||||
|
||||
type Service struct {
|
||||
ConfigFiles []ConfigFile `json:"ConfigFiles"`
|
||||
Vars map[string]interface{} `json:"Vars"`
|
||||
Daemons map[string]SystemService `json:"Daemons"`
|
||||
Users map[string]SystemUser `json:"Users"`
|
||||
Repos map[string]Repository `json:"Repositories"`
|
||||
Packages map[string]SystemPackage `json:"Packages"`
|
||||
}
|
||||
|
||||
func (s *Service) manageRepos(repos map[string]Repository) error {
|
||||
for _, repo := range s.Repos {
|
||||
if repo.Type == "helm" {
|
||||
rp := HelmRepository{repo}
|
||||
if err := rp.Manage(); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
if repo.Type == "apk" {
|
||||
rp := APKRepository{repo}
|
||||
if err := rp.Manage(); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
if repo.Type == "deb" {
|
||||
rp := DebRepository{}
|
||||
if err := rp.Manage(); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *Service) Manage(templateDir string, rootDir string) error {
|
||||
// Manage packages repositories
|
||||
log.Print(" Managing package repositories")
|
||||
err := s.manageRepos(s.Repos)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Create system users
|
||||
log.Print(" Managing system users")
|
||||
for _, user := range s.Users {
|
||||
err := user.Manage()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// Manage system packages
|
||||
log.Print(" Installing packages")
|
||||
for _, pack := range s.Packages {
|
||||
err := pack.Manage()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
log.Printf("\tPackage %s installed\n", pack.Name)
|
||||
}
|
||||
|
||||
log.Print(" Generating configuration files\n")
|
||||
err = processConfigFiles(s, templateDir, rootDir)
|
||||
if err != nil {
|
||||
return fmt.Errorf("ProcessingTemplatesFailed with error: %v", err)
|
||||
}
|
||||
|
||||
log.Print(" Managing services:\n")
|
||||
for _, daemon := range s.Daemons {
|
||||
err = daemon.Manage()
|
||||
if err != nil {
|
||||
return fmt.Errorf("Error managing service daemons: %v", err)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func processConfigFiles(s *Service, templateDir string, rootDir string) error {
|
||||
values, err := json.Marshal(s)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Error unmarshaling values on template process; %v", err)
|
||||
}
|
||||
|
||||
var servicesToRestart []string
|
||||
for _, tpl := range s.ConfigFiles {
|
||||
fileExt := filepath.Ext(tpl.Source)
|
||||
if fileExt == ".hcl" {
|
||||
tpl.TemplateType = "hcl"
|
||||
} else if fileExt == ".tpl" {
|
||||
tpl.TemplateType = "go"
|
||||
} else {
|
||||
return fmt.Errorf("Unsupported file type %s, templates extensions have to be '.hcl' or '.tpl'", fileExt)
|
||||
}
|
||||
if err := tpl.Generate(rootDir, templateDir, values); err != nil {
|
||||
return fmt.Errorf("Template %s generation failed with error %v", tpl.Source, err)
|
||||
}
|
||||
|
||||
if len(tpl.Service) != 0 {
|
||||
servicesToRestart = append(servicesToRestart, tpl.Service)
|
||||
}
|
||||
}
|
||||
|
||||
for _, srv := range servicesToRestart {
|
||||
sv := SystemService{
|
||||
Name: srv,
|
||||
Enabled: true,
|
||||
Type: "",
|
||||
ToStart: true,
|
||||
}
|
||||
return sv.Restart()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
@ -0,0 +1,132 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"log"
|
||||
"os"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
)
|
||||
|
||||
type SystemService struct {
|
||||
Name string `json:"name"`
|
||||
Enabled bool `json:"enabled"`
|
||||
Type string `json:"type"`
|
||||
ToStart bool `json:"start"`
|
||||
}
|
||||
|
||||
func (sys *SystemService) SetType() {
|
||||
systemdRunDirectory := "/run/systemd/system"
|
||||
openRcBinaryFile := "/sbin/openrc"
|
||||
|
||||
// Check if the configuration path is a Directory or a file
|
||||
fileInfo, err := os.Stat(systemdRunDirectory)
|
||||
if err == nil {
|
||||
if fileInfo.IsDir() {
|
||||
sys.Type = "systemd"
|
||||
}
|
||||
}
|
||||
|
||||
fileInfo, err = os.Stat(openRcBinaryFile)
|
||||
if err == nil {
|
||||
if fileInfo.IsDir() {
|
||||
return
|
||||
}
|
||||
sys.Type = "openrc"
|
||||
}
|
||||
}
|
||||
|
||||
func (sys *SystemService) Action() error {
|
||||
if sys.ToStart {
|
||||
return sys.Start()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sys *SystemService) Manage() error {
|
||||
// By default if the property sys.ToStart is empty
|
||||
if sys.Type == "" || sys.Type == "auto" {
|
||||
sys.SetType()
|
||||
}
|
||||
if sys.Enabled {
|
||||
err := sys.Enable()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if err = sys.Action(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
} else {
|
||||
log.Printf("\nNothing to do for daemon %s\n", sys.Name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sys *SystemService) Start() error {
|
||||
log.Printf("\tStarting system service : %s\n", sys.Name)
|
||||
if sys.Type == "systemd" {
|
||||
_, stdErr, err := utils.RunSystemCommand("systemctl", "start", sys.Name)
|
||||
if err != nil {
|
||||
return fmt.Errorf("System service %s \n * Start error:\n - %s", sys.Name, stdErr)
|
||||
}
|
||||
} else if sys.Type == "openrc" {
|
||||
_, stdErr, err := utils.RunSystemCommand("service", sys.Name, "start")
|
||||
if err != nil {
|
||||
return fmt.Errorf("System service %s \n * Enable error:\n - %s", sys.Name, stdErr)
|
||||
}
|
||||
} else {
|
||||
return fmt.Errorf("Unsupported service type %s for service %s", sys.Type, sys.Name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sys *SystemService) Stop() error {
|
||||
log.Printf("\tStopping system service : %s\n", sys.Name)
|
||||
if sys.Type == "systemd" {
|
||||
_, stdErr, err := utils.RunSystemCommand("systemctl", "stop", sys.Name)
|
||||
if err != nil {
|
||||
return fmt.Errorf("System service %s \n * Stop error:\n - %s", sys.Name, stdErr)
|
||||
}
|
||||
} else if sys.Type == "openrc" {
|
||||
_, stdErr, err := utils.RunSystemCommand("service", sys.Name, "stop")
|
||||
if err != nil {
|
||||
return fmt.Errorf("System service %s \n * Enable error:\n - %s", sys.Name, stdErr)
|
||||
}
|
||||
} else {
|
||||
return fmt.Errorf("Unsupported service type %s for service %s", sys.Type, sys.Name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sys *SystemService) Restart() error {
|
||||
if sys.Type == "" || sys.Type == "auto" {
|
||||
sys.SetType()
|
||||
}
|
||||
if err := sys.Stop(); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := sys.Start(); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sys *SystemService) Enable() error {
|
||||
if sys.Type == "systemd" {
|
||||
_, stdErr, err := utils.RunSystemCommand("systemctl", "enable", sys.Name)
|
||||
if err != nil {
|
||||
return fmt.Errorf("System service %s \n * Enable error:\n - %s", sys.Name, stdErr)
|
||||
}
|
||||
log.Printf("\tSystemd service %s enabled", sys.Name)
|
||||
} else if sys.Type == "openrc" {
|
||||
_, stdErr, err := utils.RunSystemCommand("rc-update", "add", sys.Name, "default")
|
||||
if err != nil {
|
||||
return fmt.Errorf("System service %s \n * Enable error:\n - %s", sys.Name, stdErr)
|
||||
}
|
||||
log.Printf("\tOpenRC service %s enabled", sys.Name)
|
||||
} else {
|
||||
return fmt.Errorf("Unsupported service type %s for service %s", sys.Type, sys.Name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
package templater
|
||||
|
||||
import (
|
||||
"log"
|
||||
|
||||
"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
|
||||
)
|
||||
|
||||
type SystemUser struct {
|
||||
UserName string `json:"username"`
|
||||
Group string `json:"group"`
|
||||
Home string `json:"home"`
|
||||
Shell string `json:"shell"`
|
||||
}
|
||||
|
||||
func (su *SystemUser) exists() (bool, error) {
|
||||
_, _, err := utils.RunSystemCommand("getent", "passwd", su.UserName)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
func (su *SystemUser) Manage() error {
|
||||
exist, _ := su.exists()
|
||||
if exist {
|
||||
log.Printf("\tUser %s already exists", su.UserName)
|
||||
return nil
|
||||
}
|
||||
return su.Create()
|
||||
}
|
||||
|
||||
func (su *SystemUser) Create() error {
|
||||
_, _, err := utils.RunSystemCommand("useradd", "-b", su.Home, "-m", "-G", su.Group, su.UserName)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (su *SystemUser) Delete() error {
|
||||
_, _, err := utils.RunSystemCommand("userdel", su.UserName)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (su *SystemUser) Update() error {
|
||||
return nil
|
||||
}
|
||||
|
|
@ -1,6 +1,9 @@
|
|||
package utils
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"os/exec"
|
||||
|
||||
"github.com/hashicorp/hcl/v2"
|
||||
)
|
||||
|
||||
|
|
@ -15,3 +18,15 @@ func CheckDiags(diag hcl.Diagnostics) {
|
|||
panic(diag.Error())
|
||||
}
|
||||
}
|
||||
|
||||
// Execute a system command ...
|
||||
func RunSystemCommand(name string, arg ...string) ([]byte, []byte, error) {
|
||||
var stdOut bytes.Buffer
|
||||
var stdErr bytes.Buffer
|
||||
|
||||
cmd := exec.Command(name, arg...)
|
||||
cmd.Stderr = &stdErr
|
||||
cmd.Stdout = &stdOut
|
||||
err := cmd.Run()
|
||||
return stdOut.Bytes(), stdErr.Bytes(), err
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,27 @@
|
|||
package utils
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
ini "gopkg.in/ini.v1"
|
||||
)
|
||||
|
||||
var osReleaseFile = "/etc/os-release"
|
||||
|
||||
func ReadOSRelease() (map[string]string, error) {
|
||||
cfg, err := ini.Load(osReleaseFile)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("Fail to read file: %v ", err)
|
||||
}
|
||||
|
||||
ConfigParams := make(map[string]string)
|
||||
ConfigParams["ID"] = cfg.Section("").Key("ID").String()
|
||||
idLike := cfg.Section("").Key("ID_LIKE").String()
|
||||
if idLike != "" {
|
||||
ConfigParams["ID_LIKE"] = idLike
|
||||
} else {
|
||||
ConfigParams["ID_LIKE"] = ConfigParams["ID"]
|
||||
}
|
||||
|
||||
return ConfigParams, nil
|
||||
}
|
||||
Loading…
Reference in New Issue