cli: --cloud-init add network-config option

man/virt-install.rst

@@ -878,6 +878,9 @@ Sub options are:
     Specify a public key to inject into the guest, providing ssh access to the
     unprivileged account. Example: ssh-key=/home/user/.ssh/id_rsa.pub
 
+``network-config=``
+    Specify a cloud-init netowrk-config file to add directly to the iso.
+
 
 
 ``--boot``

tests/data/cli/cloudinit/network-config.txt

@@ -0,0 +1,4 @@
+version: 2
+ethernets:
+  enp1s0:
+    dhcp4: true

tests/test_cli.py

@@ -957,6 +957,7 @@ c.add_compare("--disk %(EXISTIMG1)s --os-variant fedora28 --cloud-init root-pass
 c.add_compare("--disk %(EXISTIMG1)s --os-variant fedora28 --cloud-init root-password-file=%(ADMIN-PASSWORD-FILE)s,disable=no", "cloud-init-options")  # --cloud-init root-password-file
 c.add_compare("--disk %(EXISTIMG1)s --os-variant fedora28 --cloud-init ssh-key=%(XMLDIR)s/cloudinit/ssh-key.txt", "cloud-init-options")  # --cloud-init ssh-key
 c.add_compare("--disk %(EXISTIMG1)s --os-variant fedora28 --cloud-init user-data=%(XMLDIR)s/cloudinit/user-data.txt,meta-data=%(XMLDIR)s/cloudinit/meta-data.txt", "cloud-init-options")  # --cloud-init user-data=,meta-data=
+c.add_compare("--disk %(EXISTIMG1)s --os-variant fedora28 --cloud-init user-data=%(XMLDIR)s/cloudinit/user-data.txt,meta-data=%(XMLDIR)s/cloudinit/meta-data.txt,network-config=%(XMLDIR)s/cloudinit/network-config.txt", "cloud-init-options")  # --cloud-init user-data=,meta-data=,network-config=
 c.add_valid("--panic help --disk=? --check=help", grep="path_in_use")  # Make sure introspection doesn't blow up
 c.add_valid("--connect test:///default --test-stub-command", use_default_args=False)  # --test-stub-command
 c.add_valid("--nodisks --pxe", grep="VM performance may suffer")  # os variant warning

virtinst/cli.py

@@ -1756,6 +1756,7 @@ class ParserCloudInit(VirtCLIParser):
         cls.add_arg("ssh-key", "ssh_key")
         cls.add_arg("user-data", "user_data")
         cls.add_arg("meta-data", "meta_data")
+        cls.add_arg("network-config", "network_config")
 
 
 def parse_cloud_init(optstr):

virtinst/install/cloudinit.py

@@ -20,6 +20,7 @@ class CloudInitData():
     ssh_key = None
     user_data = None
     meta_data = None
+    network_config = None
 
     def _generate_password(self):
         if not self.generated_root_password:
@@ -91,14 +92,27 @@ def _create_userdata_content(cloudinit_data):
     return content
 
 
+def _create_network_config_content(cloudinit_data):
+    content = ""
+    if cloudinit_data.network_config:
+        log.debug("Using network-config content from path=%s",
+                  cloudinit_data.network_config)
+        content = open(cloudinit_data.network_config).read()
+    return content
+
+
 def create_files(scratchdir, cloudinit_data):
     metadata = _create_metadata_content(cloudinit_data)
     userdata = _create_userdata_content(cloudinit_data)
 
+    datas = [(metadata, "meta-data"), (userdata, "user-data")]
+    network_config = _create_network_config_content(cloudinit_data)
+    if network_config:
+        datas.append((network_config, 'network-config'))
+
     filepairs = []
     try:
-        for content, destfile in [(metadata, "meta-data"),
-                                  (userdata, "user-data")]:
+        for content, destfile in datas:
             fileobj = tempfile.NamedTemporaryFile(
                     prefix="virtinst-", suffix=("-%s" % destfile),
                     dir=scratchdir, delete=False)