Which is the right package in the yum repo for Ops Agent on RHEL7?

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I am trying to install the Ops Agent from the GCP yum repo: https://packages.cloud.google.com/yum/repos/

I see there are 4 different packages for this agent:

google-cloud-ops-agent-el7-x86_64-0
google-cloud-ops-agent-el7-x86_64-1
google-cloud-ops-agent-el7-x86_64-2
google-cloud-ops-agent-el7-x86_64-all

What is the difference between the suffixes, -0, -1, -2, and -all? I've tried looking through the docs but couldn't find anything, and I am confused over which one I should get.

repo google-cloud-platform rhel yum
1 Answers

In easy words to say, those suffixes inform which versions this package contains. 1 contains all versions 1.X.X, 2 contains 1.X.X and 2.X.X, 3 would contain 1.X.X, 2.X.X and 3.X.X. Suffix All contains all previous versions.

For example google-cloud-ops-agent-el7-x86_64-0 you will see that it's like general version, without any packages:

<otherdata xmlns="http://linux.duke.edu/metadata/other" packages="0"> </otherdata>

If you will go to to google-cloud-ops-agent-el7-x86_64-1, you can find that this contains all packages in version 1.X.X

<otherdata xmlns="http://linux.duke.edu/metadata/other" packages="11">
<package pkgid="9e1911332c4bb281655f43337b1366eb52211e425632790552e3826601b60c65" name="google-cloud-ops-agent" arch="x86_64">
<version epoch="0" ver="1.0.0" rel="1.el7"/>
</package>
<package pkgid="df21da80081071f988ad8dae5132ccadec9018253e309ad4d41604e1b0d1867f" name="google-cloud-ops-agent" arch="x86_64">
<version epoch="0" ver="1.0.1" rel="1.el7"/>
</package>

In google-cloud-ops-agent-el7-x86_64-2 you will have 30, which contains versions 1.X.X and 2.X.X.

<otherdata xmlns="http://linux.duke.edu/metadata/other" packages="30">
<package pkgid="9e1911332c4bb281655f43337b1366eb52211e425632790552e3826601b60c65" name="google-cloud-ops-agent" arch="x86_64">
<version epoch="0" ver="1.0.0" rel="1.el7"/>
</package>
...
<package pkgid="a5657f70a86d4bf49421d4398417f201719ddfc036d592c1dc108764529909ab" name="google-cloud-ops-agent" arch="x86_64">
<version epoch="0" ver="2.0.3" rel="1.el7"/>
</package>

Some additional information you can find in here.

If you are not blocked by some specific version dependencies you can use google-cloud-ops-agent-el7-x86_64-all or google-cloud-ops-agent-el7-x86_64-2 as from first sight, they contains the same packages.

HOWEVER, if you want to deploy OPS Agent on GCP, there is already a guide - Installing the Ops Agent

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