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Added protetecion if the arguments are not there.

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This commit is contained in:
Matt Bruzek 2015-04-20 16:57:42 -05:00
parent 3dd62a5c65
commit 7802db4862
1 changed files with 9 additions and 3 deletions
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12
cluster/juju/return-node-ips.py
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@ -1,7 +1,13 @@
#!/usr/bin/env python #!/usr/bin/env python
import json import json
import sys import sys
nodes = json.loads(sys.argv[1]) # This script helps parse out the private IP addreses from the
for num in nodes: # `juju run` command's JSON object, see cluster/juju/util.sh
print num['Stdout'].rstrip()
if len(sys.argv) > 1:
print(sys.argv[1])
# It takes the JSON output as the first argument.
nodes = json.loads(sys.argv[1])
# There can be multiple nodes to print the Stdout.
for num in nodes:
print num['Stdout'].rstrip()