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return err from json unmarshal

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Signed-off-by: Burton Rheutan <rheutan7@gmail.com>
This commit is contained in:
Burton Rheutan 2018-03-05 11:35:44 -06:00 committed by Alex Ellis
parent 26c8671865
commit 936beb2166
1 changed files with 18 additions and 10 deletions
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28
sample-functions/DockerHubStats/main.go
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@ -38,16 +38,16 @@ func requestStats(repo string) []byte {
return body
}
func parseOrgStats(response []byte) dockerHubOrgStatsType {
func parseOrgStats(response []byte) (dockerHubOrgStatsType, error) {
dockerHubOrgStats := dockerHubOrgStatsType{}
json.Unmarshal(response, &dockerHubOrgStats)
return dockerHubOrgStats
err := json.Unmarshal(response, &dockerHubOrgStats)
return dockerHubOrgStats, err
}
func parseRepoStats(response []byte) dockerHubRepoStatsType {
func parseRepoStats(response []byte) (dockerHubRepoStatsType, error) {
dockerHubRepoStats := dockerHubRepoStatsType{}
json.Unmarshal(response, &dockerHubRepoStats)
return dockerHubRepoStats
err := json.Unmarshal(response, &dockerHubRepoStats)
return dockerHubRepoStats, err
}
func main() {
@ -64,10 +64,18 @@ func main() {
response := requestStats(request)
if strings.Contains(request, "/") {
dockerHubRepoStats := parseRepoStats(response)
fmt.Printf("Repo: %s has been pulled %d times from the Docker Hub", request, dockerHubRepoStats.PullCount)
dockerHubRepoStats, err := parseRepoStats(response)
if err != nil {
log.Fatalln("Unable to parse response from Docker Hub for repository")
} else {
fmt.Printf("Repo: %s has been pulled %d times from the Docker Hub", request, dockerHubRepoStats.PullCount)
}
} else {
dockerHubOrgStats := parseOrgStats(response)
fmt.Printf("The organisation or user %s has %d repositories on the Docker hub.\n", request, dockerHubOrgStats.Count)
dockerHubOrgStats, err := parseOrgStats(response)
if err != nil {
log.Fatalln("Unable to parse response from Docker Hub for user/organisation")
} else {
fmt.Printf("The organisation or user %s has %d repositories on the Docker hub.\n", request, dockerHubOrgStats.Count)
}
}
}