diff options
Diffstat (limited to 'pxeboot.check')
| -rwxr-xr-x | pxeboot.check | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/pxeboot.check b/pxeboot.check index d7eb9b5c..611708a9 100755 --- a/pxeboot.check +++ b/pxeboot.check @@ -2,6 +2,7 @@ import itertools import os +import subprocess import sys flatten = itertools.chain.from_iterable @@ -18,7 +19,7 @@ valid_option_sets = frozenset(( ('existing-server', frozenset(('PXEBOOT_CONFIG_TFTP_ADDRESS', 'PXEBOOT_ROOTFS_RSYNC_ADDRESS'))), )) -valid_modes = frozenset(mode for (mode, opt_set in valid_option_sets)) +valid_modes = frozenset(mode for mode, opt_set in valid_option_sets) def compute_matches(env): @@ -27,6 +28,7 @@ def compute_matches(env): if all(k in env for k in opt_set): complete_matches.add(opt_set) return complete_matches + complete_matches = compute_matches(os.environ) def word_separate_options(options): @@ -39,7 +41,7 @@ def word_separate_options(options): valid_options = frozenset(flatten(opt_set for (mode, opt_set) in valid_option_sets)) -matched_options = frozenset(o for o in valid_options) +matched_options = frozenset(o for o in valid_options if o in os.environ) if not complete_matches: addable_sets = frozenset(frozenset(os) - matched_options for os in @@ -53,17 +55,32 @@ elif len(complete_matches) > 1: removable_sets = frozenset(matched_options - frozenset(os) for os in powerset(matched_options) if len(compute_matches(os)) == 1) - print('Please unset %s' % ' or '.join( + print('WARNING: Following options might not be needed: %s' % ' or '.join( word_separate_options(list(opt_set)) for opt_set in removable_sets if opt_set)) - sys.exit(1) if 'PXEBOOT_MODE' in os.environ: mode = os.environ['PXEBOOT_MODE'] else: - mode, = (mode for (mode, opt_set) in valid_option_sets - if all(o in os.environ for o in opt_set)) + try: + mode, = (mode for (mode, opt_set) in valid_option_sets + if all(o in os.environ for o in opt_set)) + + except ValueError as e: + print ('More than one candidate for PXEBOOT_MODE, please ' + 'set a value for it. Type `morph help pxeboot.write for ' + 'more info') + sys.exit(1) if mode not in valid_modes: print('%s is not a valid PXEBOOT_MODE' % mode) sys.exit(1) + +if mode != 'existing-server': + with open(os.devnull, 'w') as devnull: + if subprocess.call(['systemctl', 'is-active', 'nfs-server'], + stdout=devnull) != 0: + print ('ERROR: nfs-server.service is not running and is needed ' + 'for this deployment. Please, run `systemctl start nfs-server` ' + 'and try `morph deploy` again.') + sys.exit(1) |