mirrored from https://chromium.googlesource.com/infra/luci/luci-go
/
configs.go
46 lines (42 loc) · 1.48 KB
/
configs.go
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// Copyright 2018 The LUCI 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 config
import (
"strings"
"go.chromium.org/luci/config/validation"
)
// Validate validates these configs.
func (cfgs *Configs) Validate(c *validation.Context) {
prefixes := make([]string, 0, len(cfgs.GetVms()))
for i, cfg := range cfgs.GetVms() {
c.Enter("vms config %d", i)
if cfg.Prefix == "" {
c.Errorf("prefix is required")
}
// Ensure no prefix is a prefix of any other prefix. Building a prefix tree
// and waiting until the end to check this is faster, but config validation
// isn't particularly time sensitive since configs are processed asynchronously.
for _, p := range prefixes {
switch {
case strings.HasPrefix(p, cfg.Prefix):
c.Errorf("prefix %q is a prefix of %q", cfg.Prefix, p)
case strings.HasPrefix(cfg.Prefix, p):
c.Errorf("prefix %q is a prefix of %q", p, cfg.Prefix)
}
}
prefixes = append(prefixes, cfg.Prefix)
cfg.Validate(c)
c.Exit()
}
}