builder: do not set network.host entitlement flag if already set in buildkitd conf

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
This commit is contained in:
CrazyMax
2024-09-11 12:27:29 +02:00
parent 40f444f4b8
commit 617d59d70b
4 changed files with 73 additions and 22 deletions

View File

@ -435,7 +435,16 @@ func Create(ctx context.Context, txn *store.Txn, dockerCli command.Cli, opts Cre
return nil, err
}
buildkitdFlags, err := parseBuildkitdFlags(opts.BuildkitdFlags, driverName, driverOpts)
buildkitdConfigFile := opts.BuildkitdConfigFile
if buildkitdConfigFile == "" {
// if buildkit daemon config is not provided, check if the default one
// is available and use it
if f, ok := confutil.DefaultConfigFile(dockerCli); ok {
buildkitdConfigFile = f
}
}
buildkitdFlags, err := parseBuildkitdFlags(opts.BuildkitdFlags, driverName, driverOpts, buildkitdConfigFile)
if err != nil {
return nil, err
}
@ -496,15 +505,6 @@ func Create(ctx context.Context, txn *store.Txn, dockerCli command.Cli, opts Cre
setEp = false
}
buildkitdConfigFile := opts.BuildkitdConfigFile
if buildkitdConfigFile == "" {
// if buildkit daemon config is not provided, check if the default one
// is available and use it
if f, ok := confutil.DefaultConfigFile(dockerCli); ok {
buildkitdConfigFile = f
}
}
if err := ng.Update(opts.NodeName, ep, opts.Platforms, setEp, opts.Append, buildkitdFlags, buildkitdConfigFile, driverOpts); err != nil {
return nil, err
}
@ -641,7 +641,7 @@ func validateBuildkitEndpoint(ep string) (string, error) {
}
// parseBuildkitdFlags parses buildkit flags
func parseBuildkitdFlags(inp string, driver string, driverOpts map[string]string) (res []string, err error) {
func parseBuildkitdFlags(inp string, driver string, driverOpts map[string]string, buildkitdConfigFile string) (res []string, err error) {
if inp != "" {
res, err = shlex.Split(inp)
if err != nil {
@ -663,10 +663,27 @@ func parseBuildkitdFlags(inp string, driver string, driverOpts map[string]string
}
}
var hasNetworkHostEntitlementInConf bool
if buildkitdConfigFile != "" {
btoml, err := confutil.LoadConfigTree(buildkitdConfigFile)
if err != nil {
return nil, err
} else if btoml != nil {
if ies := btoml.GetArray("insecure-entitlements"); ies != nil {
for _, e := range ies.([]string) {
if e == "network.host" {
hasNetworkHostEntitlementInConf = true
break
}
}
}
}
}
if v, ok := driverOpts["network"]; ok && v == "host" && !hasNetworkHostEntitlement && driver == "docker-container" {
// always set network.host entitlement if user has set network=host
res = append(res, "--allow-insecure-entitlement=network.host")
} else if len(allowInsecureEntitlements) == 0 && (driver == "kubernetes" || driver == "docker-container") {
} else if len(allowInsecureEntitlements) == 0 && !hasNetworkHostEntitlementInConf && (driver == "kubernetes" || driver == "docker-container") {
// set network.host entitlement if user does not provide any as
// network is isolated for container drivers.
res = append(res, "--allow-insecure-entitlement=network.host")