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invoke install, added message for failed kernel netem enable in centos 8 and exit with error

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This commit is contained in:
Blake Harnden 2020-07-10 17:56:30 -07:00
parent d2fe7fcff0
commit 737dae1224
1 changed files with 5 additions and 1 deletions
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6
tasks.py
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@ -80,7 +80,11 @@ def install_system(c: Context, os_info: OsInfo, hide: bool) -> None:
# centos 8+ does not support netem by default
if os_info.name == OsName.CENTOS and os_info.version >= 8:
c.run("sudo yum install -y kernel-modules-extra", hide=hide)
c.run("sudo modprobe sch_netem", hide=hide)
if not c.run("sudo modprobe sch_netem", warn=True, hide=hide):
print("ERROR: you need to install the latest kernel")
print("run the following, restart, and try again")
print("sudo yum update")
sys.exit(1)
# attempt to setup legacy ebtables when an nftables based version is found
r = c.run("ebtables -V", hide=hide)
if "nf_tables" in r.stdout: