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Check if targeted bootstrap/install version exists

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Signed-off-by: Hidde Beydals <hello@hidde.co>
This commit is contained in:
Hidde Beydals
2021-02-15 18:41:25 +01:00
parent b903cd5b68
commit 9b649f6c72
3 changed files with 56 additions and 13 deletions
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31
pkg/manifestgen/install/install.go
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@@ -87,7 +87,7 @@ func GetLatestVersion() (string, error) {
res, err := c.Get(ghURL)
if err != nil {
return "", fmt.Errorf("calling GitHub API failed: %w", err)
return "", fmt.Errorf("GitHub API call failed: %w", err)
}
if res.Body != nil {
@@ -104,3 +104,32 @@ func GetLatestVersion() (string, error) {
return m.Tag, err
}
// ExistingVersion calls the GitHub API to confirm the given version does exist.
func ExistingVersion(version string) (bool, error) {
if !strings.HasPrefix(version, "v") {
version = "v" + version
}
ghURL := fmt.Sprintf("https://api.github.com/repos/fluxcd/flux2/releases/tags/%s", version)
c := http.DefaultClient
c.Timeout = 15 * time.Second
res, err := c.Get(ghURL)
if err != nil {
return false, fmt.Errorf("GitHub API call failed: %w", err)
}
if res.Body != nil {
defer res.Body.Close()
}
switch res.StatusCode {
case http.StatusOK:
return true, nil
case http.StatusNotFound:
return false, nil
default:
return false, fmt.Errorf("GitHub API returned an unexpected status code (%d)", res.StatusCode)
}
}