hscript: Add new netconfigtype key and associated tests

Not wired up to netaddress et al, but does parse properly.

4 files changed, 71 insertions, 0 deletions

diff --git a/hscript/network.cc b/hscript/network.cc
index 1750a60..a7b2bee 100644
--- a/hscript/network.cc
+++ b/hscript/network.cc
@@ -47,6 +47,39 @@ bool Network::execute() const {
 }
 
 
+Key *NetConfigType::parseFromData(const std::string &data, int lineno,
+                                  int *errors, int *, const Script *script) {
+    std::string type = data;
+    ConfigSystem system;
+
+    std::transform(type.cbegin(), type.cend(), type.begin(), ::tolower);
+
+    if(type == "netifrc") {
+        system = Netifrc;
+    } else if(type == "eni") {
+        system = ENI;
+    } else {
+        if(errors) *errors += 1;
+        output_error("installfile:" + std::to_string(lineno),
+                     "netconfigtype: invalid or missing config type",
+                     "one of 'netifrc', 'eni' required");
+        return nullptr;
+    }
+
+    return new NetConfigType(script, lineno, system);
+}
+
+bool NetConfigType::validate() const {
+    /* Validation takes place during parsing. */
+    return true;
+}
+
+bool NetConfigType::execute() const {
+    /* This key doesn't perform any action by itself. */
+    return true;
+}
+
+
 Key *NetAddress::parseFromData(const std::string &data, int lineno, int *errors,
                                int *, const Script *script) {
     long elements = std::count(data.cbegin(), data.cend(), ' ') + 1;
diff --git a/hscript/network.hh b/hscript/network.hh
index ec8d2cf..415a337 100644
--- a/hscript/network.hh
+++ b/hscript/network.hh
@@ -29,6 +29,28 @@ public:
     bool execute() const override;
 };
 
+class NetConfigType : public Key {
+public:
+    enum ConfigSystem {
+        Netifrc,
+        ENI
+    };
+private:
+    ConfigSystem _sys;
+
+    NetConfigType(const Script *_sc, int _line, const ConfigSystem _s) :
+        Key(_sc, _line), _sys(_s) {}
+public:
+    static Key *parseFromData(const std::string &, int, int*, int*,
+                              const Script *);
+
+    /*! Retrieve the desired network configuration system. */
+    ConfigSystem type() const { return this->_sys; }
+
+    bool validate() const override;
+    bool execute() const override;
+};
+
 class NetAddress : public Key {
 public:
     /*! Determines the type of address an interface will obtain. */
diff --git a/hscript/script.cc b/hscript/script.cc
index 7db3ed0..fd9fc5a 100644
--- a/hscript/script.cc
+++ b/hscript/script.cc
@@ -49,6 +49,7 @@ const std::map<std::string, key_parse_fn> valid_keys = {
     {"repository", &Repository::parseFromData},
     {"signingkey", &SigningKey::parseFromData},
 
+    {"netconfigtype", &NetConfigType::parseFromData},
     {"netaddress", &NetAddress::parseFromData},
     {"nameserver", &Nameserver::parseFromData},
     {"netssid", &NetSSID::parseFromData},
@@ -78,6 +79,8 @@ bool Script::ScriptPrivate::store_key(const std::string &key_name, Key *obj,
                                       const ScriptOptions &opts) {
     if(key_name == "network") {
         return store_network(obj, lineno, errors, warnings, opts);
+    } else if(key_name == "netconfigtype") {
+        return store_netconfig(obj, lineno, errors, warnings, opts);
     } else if(key_name == "netaddress") {
         std::unique_ptr<NetAddress> addr(dynamic_cast<NetAddress *>(obj));
         this->addresses.push_back(std::move(addr));
diff --git a/hscript/script_i.hh b/hscript/script_i.hh
index 0ed362e..a94a0d7 100644
--- a/hscript/script_i.hh
+++ b/hscript/script_i.hh
@@ -43,6 +43,8 @@ struct Script::ScriptPrivate {
 
     /*! Determines whether or not to enable networking. */
     std::unique_ptr<Network> network;
+    /*! Determines the network configuration system to use. */
+    std::unique_ptr<NetConfigType> netconfig;
     /*! The target system's hostname. */
     std::unique_ptr<Hostname> hostname;
     /*! The packages to install to the target system. */
@@ -126,6 +128,17 @@ struct Script::ScriptPrivate {
         return true;
     }
 
+    bool store_netconfig(Key *obj, int line, int *errors, int *, ScriptOptions) {
+        if(netconfig) {
+            DUPLICATE_ERROR(netconfig, "netconfigtype",
+                            netconfig->type());
+            return false;
+        }
+        std::unique_ptr<NetConfigType> nc(dynamic_cast<NetConfigType *>(obj));
+        netconfig = std::move(nc);
+        return true;
+    }
+
     bool store_hostname(Key* obj, int line, int *errors, int *, ScriptOptions) {
         if(hostname) {
             DUPLICATE_ERROR(hostname, "hostname", hostname->value())