Method check_release_exist

lib-engine/src/cmd/helm.rs:289–313

(&self, chart: &ChartInfo, envs: &[(&str, &str)])

    }

    pub fn check_release_exist(&self, chart: &ChartInfo, envs: &[(&str, &str)]) -> Result<ReleaseStatus, HelmError> {
        let namespace = chart.get_namespace_string();
        let args = vec!["status", &chart.name, "--namespace", &namespace, "-o", "json"];

        let mut stdout = String::new();
        let mut stderr = String::new();
        match helm_exec_with_output(
            &args,
            &self.get_all_envs(envs),
            &mut |line| stdout.push_str(&line),
            &mut |line| stderr.push_str(&line),
            &CommandKiller::never(),
        ) {
            Err(_) if stderr.contains("release: not found") => Err(ReleaseDoesNotExist(chart.name.clone())),
            Err(_) if stderr.contains("Release name is invalid") => Err(ReleaseNameInvalid(chart.name.clone())),
            Err(err) => {
                stderr.push_str(err.to_string().as_str());
                Err(CmdError(chart.name.clone(), STATUS, err.into()))
            }
            Ok(_) => {
                let status: ReleaseStatus = serde_json::from_str(&stdout).unwrap_or_default();
                Ok(status)
            }
        }
    }

    pub fn rollback(&self, chart: &ChartInfo, envs: &[(&str, &str)]) -> Result<(), HelmError> {
        if self.check_release_exist(chart, envs)?.version <= 1 {