mirror of
https://github.com/gitpod-io/gitpod.git
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76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
// Copyright (c) 2021 Gitpod GmbH. All rights reserved.
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// Licensed under the GNU Affero General Public License (AGPL).
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// See License.AGPL.txt in the project root for license information.
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package pkg
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import (
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"encoding/json"
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"os"
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"github.com/gitpod-io/gitpod/common-go/util"
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validation "github.com/go-ozzo/ozzo-validation"
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"github.com/go-ozzo/ozzo-validation/is"
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"golang.org/x/xerrors"
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)
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type Config struct {
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LogDebug bool `json:"log_debug"`
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CacheDurationRegular util.Duration `json:"cache_duration_regular"`
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CacheDurationBackup util.Duration `json:"cache_duration_backup"`
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URLUpstream string `json:"url_upstream"`
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URLLocal string `json:"url_local"`
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MaxIdleConns int `json:"max_idle_conns"`
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MaxIdleConnsPerHost int `json:"max_idle_conns_per_host"`
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RedisAddr string `json:"redis_addr"`
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PrometheusAddr string `json:"prometheusAddr"`
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AllowCacheDomain []string `json:"allow_cache_domain"`
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}
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// Validate validates the configuration to catch issues during startup and not at runtime
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func (c *Config) Validate() error {
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if c == nil {
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return xerrors.Errorf("config is missing")
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}
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return validation.ValidateStruct(c,
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validation.Field(&c.CacheDurationRegular, validation.Required),
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validation.Field(&c.CacheDurationBackup, validation.Required),
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validation.Field(&c.URLUpstream, validation.Required, is.URL),
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validation.Field(&c.URLLocal, validation.Required, is.URL),
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)
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}
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// ReadConfig loads and validates the configuration
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func ReadConfig(fn string) (*Config, error) {
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fc, err := os.ReadFile(fn)
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if err != nil {
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return nil, err
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}
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var cfg Config
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err = json.Unmarshal(fc, &cfg)
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if err != nil {
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return nil, err
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}
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err = cfg.Validate()
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if err != nil {
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return nil, xerrors.Errorf("config validation error: %w", err)
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}
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return &cfg, nil
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}
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func (cfg *Config) ToJson() []byte {
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b, err := json.Marshal(cfg)
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if err != nil {
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return nil
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}
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return b
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}
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func (cfg *Config) RedisEnabled() bool {
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return len(cfg.RedisAddr) > 0
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}
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