async peekAction()

in src/agentmgr.js [101:145]

• 28 lines of code
• 7 McCabe index (conditional complexity)

    async peekAction() {
        let action = await getWskActionWithoutCode(this.wsk, this.actionName);
        if (action === null) {
            throw new Error(`Action not found: ${this.actionName}`);
        }

        // check if there was an agent leftover
        if (isAgent(action)) {
            // ups, action is our agent, not the original
            // happens if a previous wskdebug was killed and could not restore before it exited
            const backupName = getActionCopyName(this.actionName);

            // check the backup action
            try {
                const backup = await getWskActionWithoutCode(this.wsk, backupName);

                if (!backup) {
                    // backup is also an agent (should not happen)
                    throw new Error(`Dang! Agent is already installed and action backup is missing.\n\nPlease redeploy your action first before running wskdebug again.`);

                } else if (isAgent(backup)) {
                    // backup is also an agent (should not happen)
                    throw new Error(`Dang! Agent is already installed and action backup is broken (${backupName}).\n\nPlease redeploy your action first before running wskdebug again.`);

                } else {
                    log.warn("Agent was already installed, but backup is still present. All good.");

                    // need to look at the original action
                    action = backup;
                    this.agentInstalled = true;
                }

            } catch (e) {
                if (e.statusCode === 404) {
                    // backup missing
                    throw new Error(`Dang! Agent is already installed and action backup is gone (${backupName}).\n\nPlease redeploy your action first before running wskdebug again.`);

                } else {
                    // other error
                    throw e;
                }
            }
        }
        return action;
    }