169 lines
3.9 KiB
Bash
169 lines
3.9 KiB
Bash
#!/bin/sh
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VERSION=${VERSION:-"1.0.3"}
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TELEMETRY=${ENABLE_TELEMETRY:-"true"}
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IMPORT="github.com/caddyserver/caddy"
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# version <1.0.1 needs to use old import path
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new_import=true
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if [ "$(echo $VERSION | cut -c1)" -eq 0 ] 2>/dev/null || [ "$VERSION" = "1.0.0" ]; then
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IMPORT="github.com/mholt/caddy" && new_import=false
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fi
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# add `v` prefix for version numbers
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[ "$(echo $VERSION | cut -c1)" -ge 0 ] 2>/dev/null && VERSION="v$VERSION"
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stage() {
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STAGE="$1"
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echo
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echo starting stage: $STAGE
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}
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end_stage() {
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if [ $? -ne 0 ]; then
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>&2 echo error at \'$STAGE\'
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exit 1
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fi
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echo finished stage: $STAGE ✓
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echo
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}
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use_new_import() (
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cd $1
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find . -name '*.go' | while read -r f; do
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sed -i.bak 's/\/mholt\/caddy/\/caddyserver\/caddy/g' $f && rm $f.bak
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done
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)
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get_package() {
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# go module require special dns handling
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if $go_mod && [ -f /dnsproviders/$1/$1.go ]; then
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mkdir -p /caddy/dnsproviders/$1
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cp -r /dnsproviders/$1/$1.go /caddy/dnsproviders/$1/$1.go
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echo "caddy/dnsproviders/$1"
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else
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GO111MODULE=off GOOS=linux GOARCH=amd64 caddyplug package $1 2> /dev/null
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fi
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}
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dns_plugins() {
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git clone https://github.com/caddyserver/dnsproviders /dnsproviders
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# temp hack for repo rename
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if $new_import; then use_new_import /dnsproviders; fi
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}
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plugins() {
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mkdir -p /plugins
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for plugin in $(echo $PLUGINS | tr "," " "); do \
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import_package=$(get_package $plugin)
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$go_mod || go get -v "$import_package" ; # not needed for modules
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$go_mod && package="main" || package="caddyhttp"
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printf "package $package\nimport _ \"$import_package\"" > \
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/plugins/$plugin.go ; \
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done
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}
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module() {
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mkdir -p /caddy
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cd /caddy # build dir
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# setup module
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go mod init caddy
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go get -v $IMPORT@$VERSION
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# plugins
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cp -r /plugins/. .
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# temp hack for repo rename
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go get -v -d # download possible plugin deps
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if $new_import; then use_new_import /go/pkg/mod; fi
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# main and telemetry
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cat > main.go <<EOF
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package main
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import "$IMPORT/caddy/caddymain"
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import "os"
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func main() {
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switch os.Getenv("ENABLE_TELEMETRY") {
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case "0", "false":
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caddymain.EnableTelemetry = false
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case "1", "true":
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caddymain.EnableTelemetry = true
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default:
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caddymain.EnableTelemetry = $TELEMETRY
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}
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caddymain.Run()
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}
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EOF
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}
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legacy() {
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cd /go/src/$IMPORT/caddy # build dir
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# plugins
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cp -r /plugins/. ../caddyhttp
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# telemetry
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run_file="/go/src/$IMPORT/caddy/caddymain/run.go"
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if [ "$TELEMETRY" = "false" ]; then
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cat > "$run_file.disablestats.go" <<EOF
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package caddymain
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import "os"
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func init() {
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switch os.Getenv("ENABLE_TELEMETRY") {
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case "0", "false":
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EnableTelemetry = false
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case "1", "true":
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EnableTelemetry = true
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default:
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EnableTelemetry = false
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}
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}
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EOF
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fi
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}
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# caddy source
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stage "fetching caddy source"
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git clone https://github.com/caddyserver/caddy -b "$VERSION" /go/src/$IMPORT \
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&& cd /go/src/$IMPORT
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end_stage
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# plugin helper
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stage "installing plugin helper"
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GOOS=linux GOARCH=amd64 go get -v github.com/abiosoft/caddyplug/caddyplug
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end_stage
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# check for modules support
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go_mod=false
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[ -f /go/src/$IMPORT/go.mod ] && export GO111MODULE=on && go_mod=true
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# dns plugins
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stage "fetching dns plugin sources"
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dns_plugins
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end_stage
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# generate plugins
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stage "generating plugins"
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plugins
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end_stage
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# add plugins and telemetry
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stage "customising plugins and telemetry"
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if $go_mod; then module; else legacy; fi
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end_stage
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# build
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stage "building caddy"
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CGO_ENABLED=0 go build -o caddy
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end_stage
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# copy binary
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stage "copying binary"
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mkdir -p /install \
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&& mv caddy /install \
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&& /install/caddy -version
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end_stage
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echo "installed caddy version $VERSION at /install/caddy"
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