80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
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package main
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import (
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"fmt"
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"github.com/go-resty/resty/v2"
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"regexp"
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)
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type Manifest struct {
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Config struct {
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Digest string
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}
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}
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func GetRegistryId(registry_url, image_name, tag_name string) string {
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client := resty.New()
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client.SetDebug(false)
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resp, err := client.R().
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EnableTrace().
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SetResult(Manifest{}).
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ForceContentType("application/json").
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SetHeader("Accept", "application/vnd.docker.distribution.manifest.v2+json").
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Get(registry_url + "/v2/" + image_name + "/manifests/" + tag_name)
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if err != nil {
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panic(err)
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}
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manifest := resp.Result().(*Manifest)
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return manifest.Config.Digest
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}
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func ParseImage(path string) (image_name string, tag_name string, ok bool) {
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r := regexp.MustCompile("^/?v2/(.*)/manifests/([^/]+)$")
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matches := r.FindStringSubmatch(path)
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if len(matches) == 3 {
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return matches[1], matches[2], true
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}
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return "", "", false
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}
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func testRegistry() {
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client := resty.New()
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client.SetDebug(true)
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resp, err := client.R().
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EnableTrace().
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SetResult(Manifest{}).
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ForceContentType("application/json").
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SetHeader("Accept", "application/vnd.docker.distribution.manifest.v2+json").
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Get("http://host.docker.internal:4999/v2/alpine/manifests/latest")
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fmt.Println("err ", err)
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fmt.Printf("results: %v\n", resp.Result().(*Manifest))
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fmt.Println("Response Info:")
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fmt.Println(" Error :", err)
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fmt.Println(" Status Code:", resp.StatusCode())
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fmt.Println(" Status :", resp.Status())
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fmt.Println(" Proto :", resp.Proto())
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fmt.Println(" Time :", resp.Time())
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fmt.Println(" Received At:", resp.ReceivedAt())
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fmt.Println(" Body :\n", resp)
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fmt.Println()
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// Explore trace info
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fmt.Println("Request Trace Info:")
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ti := resp.Request.TraceInfo()
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fmt.Println(" DNSLookup :", ti.DNSLookup)
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fmt.Println(" ConnTime :", ti.ConnTime)
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fmt.Println(" TCPConnTime :", ti.TCPConnTime)
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fmt.Println(" TLSHandshake :", ti.TLSHandshake)
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fmt.Println(" ServerTime :", ti.ServerTime)
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fmt.Println(" ResponseTime :", ti.ResponseTime)
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fmt.Println(" TotalTime :", ti.TotalTime)
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fmt.Println(" IsConnReused :", ti.IsConnReused)
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fmt.Println(" IsConnWasIdle :", ti.IsConnWasIdle)
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fmt.Println(" ConnIdleTime :", ti.ConnIdleTime)
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fmt.Println(" RequestAttempt:", ti.RequestAttempt)
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fmt.Println(" RemoteAddr :", ti.RemoteAddr.String())
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}
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