Add ELN support and an ELN minimal x86_64 image

Signed-off-by: Adam Williamson <awilliam@redhat.com>

createhdds.py

@@ -208,12 +208,12 @@ class VirtInstallImage(object):
     maximum age of the image file (in days) - if the image is older
     than this, 'check' will report it as 'outdated' and 'all' will
     rebuild it. 'bootopts' are used to pass boot options to the
-    virtual image to provide better control of the VM. 'branched'
-    and 'rawhide' are flags for whether this is a branched or Rawhide
-    release (which affects the paths).
+    virtual image to provide better control of the VM. 'branched',
+    'rawhide' and 'eln' are flags for whether this is a branched,
+    Rawhide or ELN release (which affects the paths).
     """
     def __init__(self, name, release, arch, size, variant=None, imgver='', maxage=3,
-                 bootopts=None, branched=False, rawhide=False):
+                 bootopts=None, branched=False, rawhide=False, eln=False):
         self.name = name
         self.size = size
         self.filename = "disk_f{0}_{1}".format(str(release), name)
@@ -234,6 +234,7 @@ class VirtInstallImage(object):
         self.bootopts = bootopts
         self.rawhide = rawhide
         self.branched = branched
+        self.eln = eln
 
     @property
     def kickstart_file(self):
@@ -315,6 +316,8 @@ class VirtInstallImage(object):
             # rawhide and branched locations at present
             if self.rawhide:
                 loctmp = "https://dl.fedoraproject.org/pub/{0}/development/rawhide/{2}/{3}/os"
+            elif self.eln:
+                loctmp = "https://dl.fedoraproject.org/pub/eln/BaseOS/{3}/os"
             elif self.branched:
                 loctmp = "https://dl.fedoraproject.org/pub/{0}/development/{1}/{2}/{3}/os/"
             else:
@@ -509,6 +512,7 @@ def get_virtinstall_images(imggrp, nextrel=None, releases=None):
     for (release, arches) in releases.items():
         branched = release.lower() == 'branched'
         rawhide = release.lower() == 'rawhide'
+        eln = release.lower() == 'eln'
         if branched:
             # find Branched, if it exists
             curr = fedfind.helpers.get_current_release(branched=False)
@@ -525,14 +529,14 @@ def get_virtinstall_images(imggrp, nextrel=None, releases=None):
         elif release.lower() == 'stable':
             # this means "all current stable releases"
             rels = fedfind.helpers.get_current_stables()
-        elif release != 'rawhide' and int(release) < 0:
+        elif release not in ('rawhide', 'eln') and int(release) < 0:
             # negative release indicates 'relative to next release'
             # -1 is CURRREL, -2 is PREVREL
             if not nextrel:
                 nextrel = fedfind.helpers.get_current_release() + 1
             rels = [int(nextrel) + int(release)]
         else:
-            # assume a single integer release number
+            # assume a single integer release number, or 'eln'
             rels = [release]
         for arch in arches:
             for rel in rels:
@@ -540,7 +544,7 @@ def get_virtinstall_images(imggrp, nextrel=None, releases=None):
                 # using a dict here avoids dupes
                 imgs[key] = VirtInstallImage(name, rel, arch, variant=variant, size=size,
                                              imgver=imgver, maxage=maxage, bootopts=bootopts,
-                                             branched=branched, rawhide=rawhide)
+                                             branched=branched, rawhide=rawhide, eln=eln)
     return list(imgs.values())
 
 def get_all_images(hdds, nextrel=None):

hdds.json

@@ -136,7 +136,8 @@
                 "-2" : ["x86_64", "aarch64", "ppc64le"],
                 "stable": ["x86_64", "aarch64"],
                 "branched": ["x86_64", "aarch64"],
-                "rawhide": ["x86_64"]
+                "rawhide": ["x86_64"],
+                "eln": ["x86_64"]
             },
             "size" : "10",
             "imgver": "4",

minimal-eln.ks

@@ -0,0 +1,16 @@
+bootloader --location=mbr
+network --bootproto=dhcp
+# FIXME: use mirrorlist when https://github.com/fedora-infra/mirrormanager2/issues/382 is done
+url --url=https://dl.fedoraproject.org/pub/eln/BaseOS/$basearch/os/
+repo --name=appstream --baseurl=https://dl.fedoraproject.org/pub/eln/AppStream/$basearch/os/
+lang en_US.UTF-8
+keyboard us
+timezone --utc America/New_York
+clearpart --all
+autopart
+rootpw weakpassword
+poweroff
+
+%packages
+@core
+%end