Method upgrade

lib-engine/src/cmd/helm.rs:1036–1193

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

    }

    pub fn upgrade(
        &self,
        chart: &ChartInfo,
        envs: &[(&str, &str)],
        cmd_killer: &CommandKiller,
    ) -> Result<(), HelmError> {
        // Due to crash or error it is possible that the release is under an helm lock
        // Try to un-stuck the situation first if needed
        // We don't care if the rollback failed, as it is a best effort to remove the lock
        // and to re-launch an upgrade just after
        let unlock_ret = self.unlock_release(chart, envs);
        info!("Helm lock status: {:?}", unlock_ret);

        let timeout_string = format!("{}s", &chart.timeout_in_seconds);

        let mut args_string: Vec<String> = vec![
            "upgrade".to_string(),
            "--create-namespace".to_string(),
            "--cleanup-on-fail".to_string(),
            "--install".to_string(),
            "--debug".to_string(),
            "--timeout".to_string(),
            timeout_string.as_str().to_string(),
            "--history-max".to_string(),
            HELM_MAX_HISTORY.to_string(),
            "--namespace".to_string(),
            chart.get_namespace_string(),
        ];

        // warn: don't add debug or json output won't work
        if chart.atomic {
            args_string.push("--atomic".to_string())
        }
        if chart.force_upgrade {
            args_string.push("--force".to_string())
        }
        if chart.recreate_pods {
            args_string.push("--recreate-pods".to_string())
        }
        if chart.dry_run {
            args_string.push("--dry-run".to_string())
        }
        if chart.wait {
            args_string.push("--wait".to_string())
        }

        append_engine_post_renderer_args(&mut args_string, chart);

        // overrides and files overrides
        for value in &chart.values {
            args_string.push("--set".to_string());
            args_string.push(format!("{}={}", value.key, value.value));
        }
        for value in &chart.values_string {
            args_string.push("--set-string".to_string());
            args_string.push(format!("{}={}", value.key, value.value));
        }
        for value in &chart.values_json {