chore: support e2e tests on solaris

Signed-off-by: Pranshu Srivastava <rexagod@gmail.com>

.github/workflows/bsd.yml

@@ -15,6 +15,8 @@ env:
   GO_VERSION_FREEBSD: "123"
   GO_VERSION_OPENBSD: "1.23.1"
   GO_VERSION_NETBSD: "123"
+  GO_VERSION_DRAGONFLY: "1.23"
+  GO_VERSION_SOLARIS: "1.23.3"
   GNU_TAR_VERSION: "1.35"
 
 jobs:
@@ -29,6 +31,7 @@ jobs:
         uses: vmactions/freebsd-vm@v1
         if: false # this already passes, so skip to test other BSDs faster
         with:
+          copyback: false
           envs: 'GO_VERSION_FREEBSD GNU_TAR_VERSION'
           usesh: true
           prepare: |
@@ -60,6 +63,7 @@ jobs:
         uses: vmactions/openbsd-vm@v1
         if: false
         with:
+          copyback: false
           envs: 'GO_VERSION_OPENBSD GNU_TAR_VERSION'
           usesh: true
           prepare: |
@@ -86,7 +90,9 @@ jobs:
 
       - name: Run end-to-end tests on NetBSD
         uses: vmactions/netbsd-vm@v1
+        if: false
         with:
+          copyback: false
           envs: 'GO_VERSION_NETBSD GNU_TAR_VERSION'
           usesh: true
           prepare: |
@@ -114,24 +120,25 @@ jobs:
 
       - name: Run end-to-end tests on DragonFly
         uses: vmactions/dragonflybsd-vm@v1
+        if: false
         with:
-          envs: 'GO_VERSION'
+          copyback: false
+          envs: 'GO_VERSION_DRAGONFLY GNU_TAR_VERSION'
           usesh: true
           prepare: |
-            pkg update -f
-            pkg install -y bash curl git gmake gsed gnugrep go${GO_VERSION} python
-          run: |
+            pkgutil -U
+            pkgutil -y -i bash curl gtar gmake gsed ggrep go python
+          run: | # DragonFly6.4 ships with Go 1.21.
             set -eux
             mkdir bin
-            ln -s $(which go${GO_VERSION}) bin/go
-            ln -s $(which gsed) bin/sed
-            ln -s $(which gnugrep) bin/grep
+            ln -s $(which go${GO_VERSION_FREEBSD}) bin/go
+            ln -s $(which ggrep) bin/grep
             ln -s $(which gmake) bin/make
-            export PATH=$PATH:$(pwd)/golang-bin
+            ln -s $(which gsed) bin/sed
+            ln -s $(which gtar) bin/tar
+            export PATH=$(pwd)/bin:$PATH
             
             echo "::group::Print environment information"
-            freebsd-version
-            uname -a
             echo "GOOS: $(go env GOOS)"
             echo "GOARCH: $(go env GOARCH)"
             echo "::endgroup::"
@@ -144,23 +151,25 @@ jobs:
       - name: Run end-to-end tests on Solaris
         uses: vmactions/solaris-vm@v1
         with:
-          envs: 'GO_VERSION'
+          copyback: false
+          envs: 'GO_VERSION_SOLARIS'
           usesh: true
-          prepare: |
-            pkgutil update -f
-            pkgutil install -y bash curl git gmake gsed gnugrep go${GO_VERSION} python
-          run: | 
+          prepare: | # Solaris 11.4 ships with Go 1.17.
+            pkgutil -U
+            pkgutil -iy bash curl gtar git gmake gsed ggrep python33
+          run: |
             set -eux
-            mkdir bin
-            ln -s $(which go${GO_VERSION}) bin/go
-            ln -s $(which gsed) bin/sed
-            ln -s $(which gnugrep) bin/grep
-            ln -s $(which gmake) bin/make
-            export PATH=$PATH:$(pwd)/golang-bin
+            mkdir bbin
+            curl -LO https://go.dev/dl/go1.23.3.solaris-amd64.tar.gz
+            tar xzf go1.23.3.solaris-amd64.tar.gz
+            ln -s go/bin/go bbin/go
+            ln -s $(which ggrep) bbin/grep
+            ln -s $(which gmake) bbin/make
+            ln -s $(which gsed) bbin/sed
+            ln -s $(which gtar) bbin/tar
+            export PATH=$(pwd)/bbin:$PATH
             
             echo "::group::Print environment information"
-            freebsd-version
-            uname -a
             echo "GOOS: $(go env GOOS)"
             echo "GOARCH: $(go env GOARCH)"
             echo "::endgroup::"

Makefile.common

@@ -203,7 +203,7 @@ common-build: promu
 	@echo ">> building binaries"
 	@$(PROMU) build --prefix $(PREFIX) $(PROMU_BINARIES)
 	@# Use the codesign binary directly instead of `promu codesign` as it depends on an image that doesn't support linux/arm64 (w.r.t. darwin's rosetta emulation) yet.
-	@if [ "$(GOHOSTOS)" == "darwin" ]; then \
+	@if [ "$(GOHOSTOS)" = "darwin" ]; then \
         if command -v codesign > /dev/null 2>&1; then \
 			codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime node_exporter ;\
 		fi; \