SCHED-2200: Migrate to Go 1.26

.golangci.yaml

@@ -15,7 +15,7 @@ linters:
     - gocheckcompilerdirectives # Verify compiler directives like //go:generate.
     - goheader # Check presence and format of copyright headers.
     - gomoddirectives # Enforce rules for go.mod files (replace/retract directives).
-    - gomodguard # Control package imports.
+    - gomodguard_v2 # Control package imports.
     - goprintffuncname # Enforce consistent printf-like function naming conventions.
     - grouper # Group related constant/variable/import/type declarations.
     - inamedparam # Reports interfaces with unnamed method parameters.

go.mod

@@ -1,6 +1,6 @@
 module nebius.ai/slurm-operator
 
-go 1.25.1
+go 1.26.0
 
 require (
 	github.com/SlinkyProject/slurm-client v0.3.1-20250801102150-043094ce1e4e
@@ -25,7 +25,6 @@ require (
 	github.com/zclconf/go-cty v1.17.0
 	go.uber.org/zap v1.27.1
 	golang.org/x/crypto v0.46.0
-	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0
 	google.golang.org/grpc v1.79.3
 	istio.io/pkg v0.0.0-20241216214326-d70796207df3
 	k8s.io/api v0.34.3
@@ -101,6 +100,7 @@ require (
 	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect
 	golang.org/x/mod v0.30.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 // indirect

images/controller/slurmctld.dockerfile

@@ -2,7 +2,7 @@
 
 ARG SLURM_VERSION
 
-FROM cr.eu-north1.nebius.cloud/soperator-proxy-docker-io/library/golang:1.25 AS go-base
+FROM cr.eu-north1.nebius.cloud/soperator-proxy-docker-io/library/golang:1.26 AS go-base
 
 WORKDIR /build
 

images/soperator-controllers/Dockerfile

@@ -1,6 +1,6 @@
 # syntax=docker.io/docker/dockerfile-upstream:1.20.0
 
-FROM cr.eu-north1.nebius.cloud/soperator-proxy-docker-io/library/golang:1.25 AS soperator-go-base
+FROM cr.eu-north1.nebius.cloud/soperator-proxy-docker-io/library/golang:1.26 AS soperator-go-base
 
 WORKDIR /build