Deployment and lifecycle management for Nix
client(services): stub out list and upgrade subcommands
+52
-20
+48
-19
cmd/client/main.go
+48
-19
cmd/client/main.go
···
21
21
var version = "dev"
22
22
23
23
type config struct {
24
-
Builder *builderCmd `arg:"subcommand:builder"`
25
-
Daemon *daemonCmd `arg:"subcommand:daemon"`
26
-
Seed *seedCmd `arg:"subcommand:seed"`
24
+
Builder *builderCmd `arg:"subcommand:builder"`
25
+
Daemon *daemonCmd `arg:"subcommand:daemon"`
26
+
Seed *seedCmd `arg:"subcommand:seed"`
27
+
Services *servicesCmd `arg:"subcommand:services"`
27
28
28
29
ApiTokenFile string `arg:"--api-token-file,env:SOWER_API_TOKEN_FILE" json:"api-token-file"`
29
30
ApiToken string `arg:"--api-token,env:SOWER_API_TOKEN"`
···
83
84
Yes bool `arg:"--yes,-y"`
84
85
}
85
86
87
+
type Service string
88
+
89
+
type servicesCmd struct {
90
+
List *servicesListCmd `arg:"subcommand:list"`
91
+
Upgrade *servicesUpgradeCmd `arg:"subcommand:upgrade"`
92
+
Services []Service
93
+
}
94
+
95
+
type servicesListCmd struct{}
96
+
type servicesUpgradeCmd struct{}
97
+
86
98
func main() {
87
99
var cfg config
88
-
var parseResult error
89
-
p, err := arg.NewParser(arg.Config{}, &cfg)
100
+
101
+
parsedConfig, err := arg.NewParser(arg.Config{}, &cfg)
90
102
if err != nil {
91
103
log.Fatalf("Fatal error in argument specification")
92
104
os.Exit(1)
93
105
}
94
106
95
107
// read args for finding config files
96
-
_ = p.Parse(os.Args[1:])
108
+
_ = parsedConfig.Parse(os.Args[1:])
109
+
110
+
args := cfg
97
111
98
112
initLogger(cfg.Debug)
99
113
···
124
138
os.Exit(1)
125
139
}
126
140
141
+
// merge into config
127
142
if err := json.Unmarshal(j, &cfg); err != nil {
128
143
slog.Error("Failed to parse configuration file", "config-file", configFile)
129
144
os.Exit(1)
130
145
}
131
146
}
132
147
133
-
// reparse flags on top of config
134
-
parseResult = p.Parse(os.Args[1:])
148
+
// reparse args on top of config
149
+
parseResult := parsedConfig.Parse(os.Args[1:])
150
+
151
+
slog.Debug("CLI args", "args", args)
152
+
slog.Debug("Final merged config", "config", cfg)
135
153
136
154
// re-initialize logging in case level is only set in config
137
155
initLogger(cfg.Debug)
138
156
139
-
slog.Debug("Loaded args", "args", cfg)
140
-
141
157
if cfg.ApiToken == "" && cfg.ApiTokenFile != "" {
142
158
slog.Debug("Reading api-token file", "file", cfg.ApiTokenFile)
143
159
···
165
181
slog.Info("Version", "version", version)
166
182
os.Exit(0)
167
183
case parseResult == arg.ErrHelp: // found "--help" on command line
168
-
p.WriteHelp(os.Stdout)
184
+
parsedConfig.WriteHelp(os.Stdout)
169
185
os.Exit(0)
170
186
case parseResult != nil:
171
187
slog.Error("Unknown error", "error", parseResult)
172
188
os.Exit(1)
173
-
}
174
-
175
-
switch {
176
-
case cfg.Builder != nil:
189
+
case args.Builder != nil:
177
190
buildCommand(cfg)
178
-
case cfg.Daemon != nil:
191
+
case args.Daemon != nil:
179
192
daemonCommand(cfg)
180
-
case cfg.Seed != nil:
193
+
case args.Seed != nil:
181
194
err := seedSubcommand(cfg)
182
195
if err != nil {
183
-
p.WriteHelp(os.Stdout)
196
+
parsedConfig.WriteHelp(os.Stdout)
184
197
}
198
+
case cfg.Services != nil:
199
+
servicesCommand(cfg)
185
200
default:
186
-
p.WriteHelp(os.Stdout)
201
+
parsedConfig.WriteHelp(os.Stdout)
202
+
}
203
+
}
204
+
205
+
func servicesCommand(cfg config) {
206
+
switch {
207
+
case cfg.Services.List != nil:
208
+
if len(cfg.Services.Services) == 0 {
209
+
slog.Warn("No services configured")
210
+
os.Exit(0)
211
+
}
212
+
213
+
for _, service := range cfg.Services.Services {
214
+
slog.Info("Found service", "service", service)
215
+
}
187
216
}
188
217
}
189
218