49 lines
2.0 KiB
Bash
49 lines
2.0 KiB
Bash
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#
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# Docker context
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#
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# Show current remote Docker context
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# ------------------------------------------------------------------------------
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# Configuration
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# ------------------------------------------------------------------------------
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SPACESHIP_DOCKER_CONTEXT_SHOW="${SPACESHIP_DOCKER_CONTEXT_SHOW=true}"
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SPACESHIP_DOCKER_CONTEXT_ASYNC="${SPACESHIP_DOCKER_CONTEXT_ASYNC=true}"
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SPACESHIP_DOCKER_CONTEXT_PREFIX="${SPACESHIP_DOCKER_CONTEXT_PREFIX=" ("}"
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SPACESHIP_DOCKER_CONTEXT_SUFFIX="${SPACESHIP_DOCKER_CONTEXT_SUFFIX=")"}"
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# ------------------------------------------------------------------------------
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# Section
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# ------------------------------------------------------------------------------
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spaceship_docker_context() {
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[[ $SPACESHIP_DOCKER_CONTEXT_SHOW == false ]] && return
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local docker_remote_context
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# Docker has three different ways to work on remote Docker hosts:
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# 1. docker-machine
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# 2. DOCKER_HOST environment variable
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# 3. docker context (since Docker 19.03)
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if [[ -n $DOCKER_MACHINE_NAME ]]; then
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docker_remote_context="$DOCKER_MACHINE_NAME"
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elif [[ -n $DOCKER_HOST ]]; then
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# Remove protocol (tcp://) and port number from displayed Docker host
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docker_remote_context="$(basename $DOCKER_HOST | cut -d':' -f1)"
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else
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# Docker contexts can be set using either the DOCKER_CONTEXT environment variable
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# or the `docker context use` command. `docker context ls` will show the selected
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# context in both cases. But we are not interested in the local "default" context.
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docker_remote_context=$(docker context ls --format '{{if .Current}}{{if and (ne .Name "default") (ne .Name "desktop-linux") (ne .Name "colima")}}{{.Name}}{{end}}{{end}}' 2>/dev/null)
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[[ $? -ne 0 ]] && return
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docker_remote_context=$(echo $docker_remote_context | tr -d '\n')
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fi
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[[ -z $docker_remote_context ]] && return
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spaceship::section \
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--color "$SPACESHIP_DOCKER_COLOR" \
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"$SPACESHIP_DOCKER_CONTEXT_PREFIX${docker_remote_context}$SPACESHIP_DOCKER_CONTEXT_SUFFIX"
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}
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