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Kubespray
Commits
95e14ffb
Commit
95e14ffb
authored
8 years ago
by
Matthew Mosesohn
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Add yaml/json loader for inventory
parent
399cb970
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1 changed file
contrib/inventory_builder/inventory.py
+60
-6
60 additions, 6 deletions
contrib/inventory_builder/inventory.py
with
60 additions
and
6 deletions
contrib/inventory_builder/inventory.py
+
60
−
6
View file @
95e14ffb
...
...
@@ -19,6 +19,16 @@
# Add another host after initial creation: inventory.py 10.10.1.5
# Delete a host: inventory.py -10.10.1.3
# Delete a host by id: inventory.py -node1
#
# Load a YAML or JSON file with inventory data: inventory.py load hosts.yaml
# YAML file should be in the following format:
# group1:
# host1:
# ip: X.X.X.X
# var: val
# group2:
# host2:
# ip: X.X.X.X
from
collections
import
OrderedDict
try
:
...
...
@@ -32,7 +42,7 @@ import sys
ROLES
=
[
'
kube-master
'
,
'
all
'
,
'
k8s-cluster:children
'
,
'
kube-node
'
,
'
etcd
'
]
PROTECTED_NAMES
=
ROLES
AVAILABLE_COMMANDS
=
[
'
help
'
,
'
print_cfg
'
,
'
print_ips
'
]
AVAILABLE_COMMANDS
=
[
'
help
'
,
'
print_cfg
'
,
'
print_ips
'
,
'
load
'
]
_boolean_states
=
{
'
1
'
:
True
,
'
yes
'
:
True
,
'
true
'
:
True
,
'
on
'
:
True
,
'
0
'
:
False
,
'
no
'
:
False
,
'
false
'
:
False
,
'
off
'
:
False
}
...
...
@@ -51,8 +61,9 @@ class KargoInventory(object):
def
__init__
(
self
,
changed_hosts
=
None
,
config_file
=
None
):
self
.
config
=
configparser
.
ConfigParser
(
allow_no_value
=
True
,
delimiters
=
(
'
\t
'
,
'
'
))
if
config_file
:
self
.
config
.
read
(
config_file
)
self
.
config_file
=
config_file
if
self
.
config_file
:
self
.
config
.
read
(
self
.
config_file
)
if
changed_hosts
and
changed_hosts
[
0
]
in
AVAILABLE_COMMANDS
:
self
.
parse_command
(
changed_hosts
[
0
],
changed_hosts
[
1
:])
...
...
@@ -72,9 +83,11 @@ class KargoInventory(object):
self
.
show_help
()
sys
.
exit
(
0
)
if
config_file
:
with
open
(
config_file
,
'
w
'
)
as
f
:
self
.
config
.
write
(
f
)
self
.
write_config
(
self
.
config_file
)
def
write_config
(
self
,
config_file
):
with
open
(
config_file
,
'
w
'
)
as
f
:
self
.
config
.
write
(
f
)
def
debug
(
self
,
msg
):
if
DEBUG
:
...
...
@@ -93,6 +106,7 @@ class KargoInventory(object):
def
ensure_required_groups
(
self
,
groups
):
for
group
in
groups
:
try
:
self
.
debug
(
"
Adding group {0}
"
.
format
(
group
))
self
.
config
.
add_section
(
group
)
except
configparser
.
DuplicateSectionError
:
pass
...
...
@@ -195,6 +209,44 @@ class KargoInventory(object):
for
host
in
hosts
:
self
.
add_host_to_group
(
'
etcd
'
,
host
)
def
load_file
(
self
,
files
=
None
):
'''
Directly loads JSON, or YAML file to inventory.
'''
if
not
files
:
raise
Exception
(
"
No input file specified.
"
)
import
json
import
yaml
for
filename
in
list
(
files
):
# Try JSON, then YAML
try
:
with
open
(
filename
,
'
r
'
)
as
f
:
data
=
json
.
load
(
f
)
except
ValueError
:
try
:
with
open
(
filename
,
'
r
'
)
as
f
:
data
=
yaml
.
load
(
f
)
print
(
"
yaml
"
)
except
ValueError
:
raise
Exception
(
"
Cannot read %s as JSON, YAML, or CSV
"
,
filename
)
self
.
ensure_required_groups
(
ROLES
)
self
.
set_k8s_cluster
()
for
group
,
hosts
in
data
.
items
():
self
.
ensure_required_groups
([
group
])
for
host
,
opts
in
hosts
.
items
():
optstring
=
"
ansible_host={0} ip={0}
"
.
format
(
opts
[
'
ip
'
])
for
key
,
val
in
opts
.
items
():
if
key
==
"
ip
"
:
continue
optstring
+=
"
{0}={1}
"
.
format
(
key
,
val
)
self
.
add_host_to_group
(
'
all
'
,
host
,
optstring
)
self
.
add_host_to_group
(
group
,
host
)
self
.
write_config
(
self
.
config_file
)
def
parse_command
(
self
,
command
,
args
=
None
):
if
command
==
'
help
'
:
self
.
show_help
()
...
...
@@ -202,6 +254,8 @@ class KargoInventory(object):
self
.
print_config
()
elif
command
==
'
print_ips
'
:
self
.
print_ips
()
elif
command
==
'
load
'
:
self
.
load_file
(
args
)
else
:
raise
Exception
(
"
Invalid command specified.
"
)
...
...
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