fastcgi: Add debug log (#3178)

This commit is contained in:
Matthew Holt 2020-03-24 08:34:15 -06:00
parent 9af05719bc
commit 745cb0e9e6
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1 changed files with 10 additions and 1 deletions

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@ -29,6 +29,7 @@ import (
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
"github.com/caddyserver/caddy/v2/modules/caddyhttp/reverseproxy"
"github.com/caddyserver/caddy/v2/modules/caddytls"
"go.uber.org/zap"
"github.com/caddyserver/caddy/v2"
)
@ -66,6 +67,7 @@ type Transport struct {
WriteTimeout caddy.Duration `json:"write_timeout,omitempty"`
serverSoftware string
logger *zap.Logger
}
// CaddyModule returns the Caddy module information.
@ -77,7 +79,8 @@ func (Transport) CaddyModule() caddy.ModuleInfo {
}
// Provision sets up t.
func (t *Transport) Provision(_ caddy.Context) error {
func (t *Transport) Provision(ctx caddy.Context) error {
t.logger = ctx.Logger(t)
if t.Root == "" {
t.Root = "{http.vars.root}"
}
@ -110,6 +113,12 @@ func (t Transport) RoundTrip(r *http.Request) (*http.Response, error) {
address = dialInfo.Address
}
t.logger.Debug("roundtrip",
zap.Object("request", caddyhttp.LoggableHTTPRequest{Request: r}),
zap.String("dial", address),
zap.Any("env", env), // TODO: this uses reflection I think
)
fcgiBackend, err := DialContext(ctx, network, address)
if err != nil {
// TODO: wrap in a special error type if the dial failed, so retries can happen if enabled