Run all linters with golangci-lint

Fix: Replace m[k]=v loop with maps.Copy

go.mod

@@ -3,7 +3,7 @@ module github.com/ClusterCockpit/cc-metric-collector
 go 1.24.0
 
 require (
-	github.com/ClusterCockpit/cc-lib/v2 v2.2.1
+	github.com/ClusterCockpit/cc-lib/v2 v2.1.0
 	github.com/ClusterCockpit/go-rocm-smi v0.3.0
 	github.com/NVIDIA/go-nvml v0.13.0-1
 	github.com/PaesslerAG/gval v1.2.4
@@ -11,7 +11,7 @@ require (
 	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf
 	github.com/tklauser/go-sysconf v0.3.16
 	golang.design/x/thread v0.0.0-20210122121316-335e9adffdf1
-	golang.org/x/sys v0.41.0
+	golang.org/x/sys v0.40.0
 )
 
 require (

go.sum

@@ -1,5 +1,5 @@
-github.com/ClusterCockpit/cc-lib/v2 v2.2.1 h1:iCVas+Jc61zFH5S2VG3H1sc7tsn+U4lOJwUYjYZEims=
+github.com/ClusterCockpit/cc-lib/v2 v2.1.0 h1:B6l6h0IjfEuY9DU6aVM3fSsj24lQ1eudXK9QTKmJjqg=
-github.com/ClusterCockpit/cc-lib/v2 v2.2.1/go.mod h1:JuxMAuEOaLLNEnnL9U3ejha8kMvsSatLdKPZEgJw6iw=
+github.com/ClusterCockpit/cc-lib/v2 v2.1.0/go.mod h1:JuxMAuEOaLLNEnnL9U3ejha8kMvsSatLdKPZEgJw6iw=
 github.com/ClusterCockpit/go-rocm-smi v0.3.0 h1:1qZnSpG7/NyLtc7AjqnUL9Jb8xtqG1nMVgp69rJfaR8=
 github.com/ClusterCockpit/go-rocm-smi v0.3.0/go.mod h1:+I3UMeX3OlizXDf1WpGD43W4KGZZGVSGmny6rTeOnWA=
 github.com/NVIDIA/go-nvml v0.11.6-0/go.mod h1:hy7HYeQy335x6nEss0Ne3PYqleRa6Ct+VKD9RQ4nyFs=
@@ -122,8 +122,8 @@ golang.org/x/exp v0.0.0-20260112195511-716be5621a96/go.mod h1:nzimsREAkjBCIEFtHi
 golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
 golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
 golang.org/x/sys v0.0.0-20210122093101-04d7465088b8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
-golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
 golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

scripts/cc-metric-collector.spec

@@ -30,11 +30,11 @@ make
 
 %install
 install -Dpm 0750 %{name} %{buildroot}%{_bindir}/%{name}
-install -Dpm 0600 example-configs/config.json %{buildroot}%{_sysconfdir}/%{name}/%{name}.json
+install -Dpm 0600 config.json %{buildroot}%{_sysconfdir}/%{name}/%{name}.json
-install -Dpm 0600 example-configs/collectors.json %{buildroot}%{_sysconfdir}/%{name}/collectors.json
+install -Dpm 0600 collectors.json %{buildroot}%{_sysconfdir}/%{name}/collectors.json
-install -Dpm 0600 example-configs/sinks.json %{buildroot}%{_sysconfdir}/%{name}/sinks.json
+install -Dpm 0600 sinks.json %{buildroot}%{_sysconfdir}/%{name}/sinks.json
-install -Dpm 0600 example-configs/receivers.json %{buildroot}%{_sysconfdir}/%{name}/receivers.json
+install -Dpm 0600 receivers.json %{buildroot}%{_sysconfdir}/%{name}/receivers.json
-install -Dpm 0600 example-configs/router.json %{buildroot}%{_sysconfdir}/%{name}/router.json
+install -Dpm 0600 router.json %{buildroot}%{_sysconfdir}/%{name}/router.json
 install -Dpm 0644 scripts/%{name}.service %{buildroot}%{_unitdir}/%{name}.service
 install -Dpm 0600 scripts/%{name}.config %{buildroot}%{_sysconfdir}/default/%{name}
 install -Dpm 0644 scripts/%{name}.sysusers %{buildroot}%{_sysusersdir}/%{name}.conf