Commit 38d4f2c2 authored by Girish Ramakrishnan's avatar Girish Ramakrishnan

Add note on what df output is

parent 552e2a03
...@@ -27,6 +27,7 @@ def parseSize(size): ...@@ -27,6 +27,7 @@ def parseSize(size):
def dockerSize(): def dockerSize():
# use --format '{{json .}}' to dump the string. '{{if eq .Type "Images"}}{{.Size}}{{end}}' still creates newlines # use --format '{{json .}}' to dump the string. '{{if eq .Type "Images"}}{{.Size}}{{end}}' still creates newlines
# https://godoc.org/github.com/docker/go-units#HumanSize is used. so it's 1000 (KB) and not 1024 (KiB)
cmd = 'timeout 1800 docker system df --format "{{.Size}}" | head -n1' cmd = 'timeout 1800 docker system df --format "{{.Size}}" | head -n1'
try: try:
size = subprocess.check_output(cmd, shell=True).strip().decode('utf-8') size = subprocess.check_output(cmd, shell=True).strip().decode('utf-8')
......
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