mirror of
https://github.com/hasura/graphql-engine.git
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d95d6378e8
Co-Authored-By: Marion Schleifer <marion@hasura.io>
42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
package version
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import (
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"io/ioutil"
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"net/http"
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yaml "github.com/ghodss/yaml"
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"github.com/pkg/errors"
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)
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type serverVersionResponse struct {
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Version string `json:"version"`
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}
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// FetchServerVersion reads the version from server.
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func FetchServerVersion(endpoint string, client *http.Client) (version string, err error) {
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response, err := client.Get(endpoint)
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if err != nil {
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return "", errors.Wrap(err, "failed making version api call")
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}
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if response.StatusCode != http.StatusOK {
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switch response.StatusCode {
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case http.StatusNotFound:
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return "", nil
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default:
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return "", errors.Errorf("GET %s failed - [%d]", endpoint, response.StatusCode)
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}
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} else {
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defer response.Body.Close()
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data, err := ioutil.ReadAll(response.Body)
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if err != nil {
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return "", errors.Wrap(err, "cannot read version api response")
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}
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var v serverVersionResponse
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err = yaml.Unmarshal(data, &v)
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if err != nil {
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return "", errors.Wrap(err, "failed to parse version api response")
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}
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return v.Version, nil
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}
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}
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